Difference between revisions of "ENDF reaction MT's and macroscopic reaction numbers"

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Serpent uses standard ENDF reaction MT's to identify neutron and photon reactions. The numbers are used with [[detector response functions]] and printed in various [[Description of output files|output files]]. Detector responses also include macroscopic cross sections (and similar), identified by negative reaction numbers.
+
Serpent uses standard ENDF reaction MTs to identify neutron and photon reactions. The numbers are used with [[Input syntax manual#det_dr|detector response functions]], [[Input syntax manual#set mdep|microscopic cross section calculations]] and printed in various [[Description of output files|output files]]. Detector responses also include macroscopic cross sections (and similar), identified by negative reaction numbers.
  
Below are descriptive lists of ENDF reaction MT's and macroscopic reaction numbers. For more information on the MT numbers, see the ENDF Format Manual.<ref>Herman, M. and Trkov, A. ''"ENDF-6 Formats Manual."'' CSEWG Document ENDF-102 / BNL-90365-2009.</ref> It should be noted that even though the notation is very similar to that used by MCNP, there are some differences in the definition of some response functions.
+
Below are descriptive lists of ENDF reaction MTs and macroscopic reaction numbers. For more information on the MT numbers, see the ENDF Format Manual.<ref>Herman, M. and Trkov, A. ''"ENDF-6 Formats Manual."'' CSEWG Document ENDF-102 / BNL-90365-2009.</ref> It should be noted that even though the notation is very similar to that used by MCNP, there are some differences in the definitions of some response functions.
+
  
== ENDF Reaction MT's ==
+
== ENDF Reaction MTs ==
  
 
=== Neutron reactions ===
 
=== Neutron reactions ===
Line 14: Line 13:
 
|-
 
|-
 
| 1
 
| 1
| total
+
| (n,total)
|
+
| incident neutrons only (sum over MTs 2, 4, 5, 11, 16-18, 22-26, 28-37, 41-43, 44-45, 102-117)
 
|-
 
|-
 
| 2
 
| 2
 +
| (z,z<sub>0</sub>)
 
| elastic scattering
 
| elastic scattering
|
 
 
|-
 
|-
 
| 3
 
| 3
| nonelastic
+
| (z,nonelastic)
| redundant
+
| nonelastic (sum over MTs 4, 5, 11, 16-18, 22-26, 28-37, 41-42, 44-45, 102-117) - redundant
 
|-
 
|-
 
| 4
 
| 4
| total inelastic scattering
+
| (z,n)
| redundant (sum of MT's 51-91)
+
| total inelastic scattering (incident neutrons); production of one neutron in the exit channel (sum over MTs 51 to 91) - redundant
 
|-
 
|-
 
| 5
 
| 5
| anything
+
| (n,anything)
| used for lumping together multiple reaction modes
+
| sum of all reactions not given explicitly in another MT number, used for lumping together multiple reaction modes
 
|-
 
|-
 
| 11
 
| 11
| (n,2nd)
+
| (z,2nd)
|
+
| production of two neutrons and a deuteron, plus a residual if any
 
|-
 
|-
 
| 16
 
| 16
| (n,2n)
+
| (z,2n)
|
+
| production of two neutrons, plus a residual (if any) - some nuclides miss MT 16 and have only MTs 875-891 instead
 
|-
 
|-
 
| 17
 
| 17
| (n,3n)
+
| (z,3n)
|
+
| production of three neutrons, plus a residual (if any)
 
|-
 
|-
 
| 18
 
| 18
| total fission
+
| (z,fission)
| sum over all fission channels (MT's 19-21 and 38)
+
| total fission (sum over MTs 19-21 and 38)  
 
|-
 
|-
 
| 19
 
| 19
 
| (n,f)
 
| (n,f)
| 1st-chance fission
+
| 1st-chance neutron-induced fission
 
|-
 
|-
 
| 20
 
| 20
 
| (n,nf)
 
| (n,nf)
| 2nd-chance fission
+
| 2nd-chance neutron-induced fission
 
|-
 
|-
 
| 21
 
| 21
 
| (n,2nf)
 
| (n,2nf)
| 3rd-chance fission
+
| 3rd-chance neutron-induced fission
 
|-
 
|-
 
| 22
 
| 22
| (n,n&alpha;)
+
| (z,n&alpha;)
|
+
| production of a neutron and an alpha particle, plus a residual (if any)
 
|-
 
|-
 
| 23
 
| 23
| (n,n3&alpha;)
+
| (z,n3&alpha;)
|
+
| production of a neutron and three alpha particles, plus a residual (if any)
 
|-
 
|-
 
| 24
 
| 24
| (n,2n&alpha;)
+
| (z,2n&alpha;)
|
+
| production of two neutron and an alpha particle, plus a residual (if any)
 
|-
 
|-
 
| 25
 
| 25
| (n,3n&alpha;)
+
| (z,3n&alpha;)
|
+
| production of three neutrons and an alpha particle, plus a residual (if any)
 
|-
 
|-
 
| 27
 
| 27
| absorption
+
| (n,abs)
| redundant
+
| absorption (sum over MTs 18 and 102-117) - redundant
 
|-
 
|-
 
| 28
 
| 28
| (n,np)
+
| (z,np)
|
+
| production of a neutron and a proton, plus a residual (if any)
 
|-
 
|-
 
| 29
 
| 29
| (n,n2&alpha;)
+
| (z,n2&alpha;)
|
+
| production of a neutrons and two alpha particles, plus a residual (if any)
 
|-
 
|-
 
| 30
 
| 30
| (n,2n2&alpha;)
+
| (z,2n2&alpha;)
|
+
| production of two neutrons and two alpha particles, plus a residual (if any)
 
|-
 
|-
 
| 32
 
| 32
| (n,nd)
+
| (z,nd)
|
+
| production of a neutron and a deuteron, plus a residual (if any)
 
|-
 
|-
 
| 33
 
| 33
| (n,nt)
+
| (z,nt)
|
+
| production of a neutron and a triton, plus a residual (if any)
 
|-
 
|-
 
| 34
 
| 34
| (n,n<sup>3</sup>He)
+
| (z,n<sup>3</sup>He)
|
+
| production of a neutron and a <sup>3</sup>He particle, plus a residual (if any)
 
|-
 
|-
 
| 35
 
| 35
| (n,nd2&alpha;)
+
| (z,nd2&alpha;)
|
+
| production of a neutron, a deuteron and two alpha particles, plus a residual (if any)
 
|-
 
|-
 
| 36
 
| 36
| (n,nt2&alpha;)
+
| (z,nt2&alpha;)
|
+
| production of a neutron, a triton, and two alpha particles, plus a residual (if any)
 
|-
 
|-
 
| 37
 
| 37
| (n,4n)
+
| (z,4n)
|
+
| production of four neutrons, plus a residual (if any)
 
|-
 
|-
 
| 38
 
| 38
 
| (n,3nf)
 
| (n,3nf)
| 4th-chance fission
+
| 4th-chance neutron-induced fission
 
|-
 
|-
 
| 41
 
| 41
| (n,2np)
+
| (z,2np)
|
+
| production of two neutrons and a proton, plus a residual (if any)
 
|-
 
|-
 
| 42
 
| 42
| (n,3np)
+
| (z,3np)
|
+
| production of three neutrons and a proton, plus a residual (if any)
 
|-
 
|-
 
| 44
 
| 44
| (n,n2p)
+
| (z,n2p)
|
+
| production of a neutron and two protons, plus a residual (if any)
 
|-
 
|-
 
| 45
 
| 45
| (n,np&alpha;)
+
| (z,np&alpha;)
|
+
| production of a neutron, a proton and an alpha particle, plus a residual (if any)
 
|-
 
|-
 
| 51-90
 
| 51-90
| inelastic scattering to excited states
+
| (z,n<sub>i</sub>)
|
+
| inelastic scattering to excited states; production of a neutron leaving the residual nucleus in the ''i''th excited state (''i'' = 1, 2,...,40)
 
|-
 
|-
 
| 91
 
| 91
| inelastic scattering to continuum
+
| (z,n<sub>c</sub>)
|
+
| inelastic scattering to continuum; production of a neutron in the continuum not included in the above discrete representation
 
|-
 
|-
 
| 101
 
| 101
| total absorption
+
| (n,disap)
| redundant
+
| total absorption or disappearance (sum over MTs 102-117) - redundant
 
|-
 
|-
 
| 102
 
| 102
| (n,&gamma;)
+
| (z,&gamma;)
|
+
| radiative capture (102g/102m for transmutation to ground/isomeric state)
 
|-
 
|-
 
| 103
 
| 103
| (n,p)
+
| (z,p)
|
+
| production of a proton (sum over MTs 600-647, if present), plus a residual (if any)
 
|-
 
|-
 
| 104
 
| 104
| (n,d)
+
| (z,d)
|
+
| production of a deuteron (sum over MTs 650-699, if present), plus a residual (if any)
 
|-
 
|-
 
| 105
 
| 105
| (n,t)
+
| (z,t)
|
+
| production of a triton (sum over MTs 700-749, if present), plus a residual (if any)
 
|-
 
|-
 
| 106
 
| 106
| (n,<sup>3</sup>He)
+
| (z,<sup>3</sup>He)
|
+
| production of a <sup>3</sup>He particle (sum over MTs 750-799, if present), plus a residual (if any)
 
|-
 
|-
 
| 107
 
| 107
| (n,&alpha;)
+
| (z,&alpha;)
|
+
| production of an alpha particle (sum over MTs 800-849, if present), plus a residual (if any)
 
|-
 
|-
 
| 108
 
| 108
| (n,2&alpha;)
+
| (z,2&alpha;)
|
+
| production of two alpha particles, plus a residual (if any)
 
|-
 
|-
 
| 109
 
| 109
| (n,3&alpha;)
+
| (z,3&alpha;)
|
+
| production of three alpha particles, plus a residual (if any)
 
|-
 
|-
 
| 111
 
| 111
| (n,2p)
+
| (z,2p)
|
+
| production of two protons, plus a residual (if any)
 
|-
 
|-
 
| 112
 
| 112
| (n,p&alpha;)
+
| (z,p&alpha;)
|
+
| production of a proton and an alpha particle, plus a residual (if any)
 
|-
 
|-
 
| 113
 
| 113
| (n,t2&alpha;)
+
| (z,t2&alpha;)
|
+
| production of a triton and two alpha particles, plus a residual (if any)
 
|-
 
|-
 
| 114
 
| 114
| (n,d2&alpha;)
+
| (z,d2&alpha;)
|
+
| production of a deuteron and two alpha particles, plus a residual (if any)
 
|-
 
|-
 
| 115
 
| 115
| (n,pd)
+
| (z,pd)
|
+
| production of proton and a deuteron, plus a residual (if any)
 
|-
 
|-
 
| 116
 
| 116
| (n,pt)
+
| (z,pt)
|
+
| production of a proton and a triton, plus a residual (if any)
 
|-
 
|-
 
| 117
 
| 117
| (n,d&alpha;)
+
| (z,d&alpha;)
|
+
| production of a deuteron and an alpha particle, plus a residual (if any)
 
|-
 
|-
 
| 201
 
| 201
| total neutron production
+
| (z,Xn)
| ''Note to developers: check if this needs to be multiplied by total xs''
+
| total neutron production - redundant
 
|-
 
|-
 
| 202
 
| 202
| total photon production
+
| (z,X&gamma;)
| ''Note to developers: check if this needs to be multiplied by total xs''
+
| total photon production - redundant
 
|-
 
|-
 
| 203
 
| 203
| total proton production
+
| (z,Xp)
| ''Note to developers: check if this needs to be multiplied by total xs''
+
| total proton production - redundant
 
|-
 
|-
 
| 204
 
| 204
| total deuteron production
+
| (z,Xd)
| ''Note to developers: check if this needs to be multiplied by total xs''
+
| total deuteron production redundant
 
|-
 
|-
 
| 205
 
| 205
| total triton production
+
| (z,Xt)
| ''Note to developers: check if this needs to be multiplied by total xs''
+
| total triton production - redundant
 
|-
 
|-
 
| 206
 
| 206
| total <sup>3</sup>He production
+
| (z,X<sup>3</sup>He)
| ''Note to developers: check if this needs to be multiplied by total xs''
+
| total <sup>3</sup>He production - redundant
 
|-
 
|-
 
| 207
 
| 207
| total &alpha; production
+
| (z,X&alpha;)
| ''Note to developers: check if this needs to be multiplied by total xs''
+
| total alpha production - redundant
 
|-
 
|-
 
| 301
 
| 301
| total heat production
+
| (z,totheat)
| Total heating number multiplied by total cross section (note difference to MCNP)
+
| total heat production; total heating number multiplied by total cross section (note difference to MCNP)
 
|-
 
|-
 
| 443
 
| 443
| kinematic KERMA
+
| (z,kinkerma)
| ''Note to developers: check if this needs to be multiplied by total xs''
+
| kinematic KERMA - ''Note to developers: check if this needs to be multiplied by total xs''
 
|-
 
|-
 
| 444
 
| 444
| damage-energy production
+
| (z,damenergy)
| ''Note to developers: check if this needs to be multiplied by total xs''
+
| damage-energy production - ''Note to developers: check if this needs to be multiplied by total xs''
 
|-
 
|-
 
| 600  
 
| 600  
| (n,p) to ground state
+
| (z,p<sub>0</sub>)  
| MT's 600-649 can be used to replace MT 103
+
| production of a proton, leaving the residual nucleus in the ground state - MTs 600-649 can be used to replace MT 103
 
|-
 
|-
 
| 601-648
 
| 601-648
| (n,p) to excited states
+
| (z,p<sub>i</sub>)
|  
+
| production of a proton, leaving the residual nucleus in the ''i''th excited state (''i'' = 1,2,...,48)
 
|-
 
|-
 
| 649
 
| 649
| (n,p) to continuum
+
| (z,p<sub>c</sub>)  
|
+
| production of a proton the continuum not included in the above discrete representation
 
|-
 
|-
 
| 650  
 
| 650  
| (n,d) to ground state
+
| (z,d<sub>0</sub>)
| MT's 650-699 can be used to replace MT 104
+
| production of a deuteron, leaving the residual nucleus in the ground state - MTs 650-699 can be used to replace MT 104
 
|-
 
|-
 
| 651-698
 
| 651-698
| (n,d) to excited states
+
| (z,d<sub>i</sub>)
|
+
| production of a deuteron, leaving the residual nucleus in the ''i''th excited state (''i'' = 1,2,...,48)
 
|-
 
|-
 
| 699
 
| 699
| (n,d) to continuum
+
| (z,d<sub>c</sub>)  
|
+
| production of a deuteron in the continuum not included in the above discrete representation
 
|-
 
|-
 
| 700  
 
| 700  
| (n,t) to ground state
+
| (z,t<sub>0</sub>)
| MT's 700-749 can be used to replace MT 105
+
| production of a triton, leaving the residual nucleus in the ground state - MTs 700-749 can be used to replace MT 105
 
|-
 
|-
 
| 701-748
 
| 701-748
| (n,t) to excited states
+
| (z,t<sub>i</sub>)
|
+
| production of a triton, leaving the residual nucleus in the ''i''th excited state (''i'' = 1,2,...,48)
 
|-
 
|-
 
| 749
 
| 749
| (n,t) to continuum
+
| (z,t<sub>c</sub>)  
|
+
| production of a triton in the continuum not included in the above discrete representation
 
|-
 
|-
 
| 750  
 
| 750  
| (n,<sup>3</sup>He) to ground state
+
| (z,<sup>3</sup>He<sub>0</sub>)  
| MT's 750-799  can be used to replace MT 106
+
| production of a<sup>3</sup>He particle, leaving the residual nucleus in the ground state - MTs 750-799  can be used to replace MT 106
 
|-
 
|-
 
| 751-798
 
| 751-798
| (n,<sup>3</sup>He) to excited states
+
| (z,<sup>3</sup>He<sub>i</sub>)  
|
+
| production of a <sup>3</sup>He particle, leaving the residual nucleus in the ''i''th excited state (''i'' = 1,2,...,48)
 
|-
 
|-
 
| 799
 
| 799
| (n,<sup>3</sup>He) to continuum
+
| (z,<sup>3</sup>He<sub>c</sub>)  
|
+
| production of a<sup>3</sup>He particle in the continuum not included in the above discrete representation
 
|-
 
|-
 
| 800  
 
| 800  
| (n,&alpha;) to ground state
+
| (z,&alpha;<sub>0</sub>)  
| MT's 800-849 can be used to replace MT 107
+
| production of an alpha particle, leaving the residual nucleus in the ground state - MTs 800-849 can be used to replace MT 107
 
|-
 
|-
 
| 801 - 848
 
| 801 - 848
| (n,&alpha;) to excited states
+
| (z,&alpha;<sub>i</sub>)
|
+
| production of an alpha particle, leaving the residual nucleus in the ''i''th excited state (''i'' = 1,2,...,48)
 
|-
 
|-
 
| 849
 
| 849
| (n,&alpha;) to continuum
+
| (z,&alpha;<sub>c</sub>)
|
+
| production of an alpha particle in the continuum not included in the above discrete representation
 
|-
 
|-
 
| 875
 
| 875
| (n,2n) to ground state
+
| (z,2n<sub>0</sub>)  
| MT's 875-891 can be used to replace MT 16
+
| production of a neutron, leaving the residual nucleus in the ground state - MTs 875-891 can be used to replace MT 16
 
|-
 
|-
 
| 876-890
 
| 876-890
| (n,2n) to excited states
+
| (z,2n<sub>i</sub>)
|
+
| production of a neutron, leaving the residual nucleus in the ''i''th excited state (''i'' = 1,2,...,48)
 
|-
 
|-
 
| 891
 
| 891
| (n,2n) to continuum
+
| (z,2n<sub>c</sub>)
|
+
| production of a neutron in the continuum not included in the above discrete representation
 
|-
 
|-
 
| 1002
 
| 1002
| S(&alpha;,&beta;) elastic scattering
+
| S(&alpha;,&beta;)
| not an official ENDF MT number
+
| elastic scattering - not an official ENDF MT number
 
|-
 
|-
 
| 1004
 
| 1004
| S(&alpha;,&beta;) inelastic scattering
+
| S(&alpha;,&beta;)
| not an official ENDF MT number
+
| inelastic scattering - not an official ENDF MT number
 
|}
 
|}
  
 
=== Photon reactions ===
 
=== Photon reactions ===
 +
 +
{|class="wikitable" style="text-align: left;"
 +
! MT
 +
! Description
 +
! Notes
 +
|-
 +
| 301
 +
| average heating number
 +
| energy release
 +
|-
 +
| 502
 +
| Rayleigh scattering
 +
| coherent scattering
 +
|-
 +
| 504
 +
| Compton scattering 
 +
| incoherent scattering
 +
|-
 +
| 516
 +
| pair production
 +
| (sum over MTs 515 and 517, electron and nuclear field)
 +
|-
 +
| 522
 +
| photoelectric effect
 +
| absorption
 +
|}
  
 
== Macroscopic reaction numbers ==
 
== Macroscopic reaction numbers ==
Line 346: Line 371:
 
|-
 
|-
 
| -2  
 
| -2  
| macroscopic total absorption cross section
+
| macroscopic total capture cross section
|
+
| sum of all reactions that do not produce secondary neutrons
 
|-
 
|-
 
| -3
 
| -3
Line 355: Line 380:
 
| -4
 
| -4
 
| macroscopic total heating cross section
 
| macroscopic total heating cross section
| equivalent with the F8 tally in MCNP
+
|
 
|-
 
|-
 
| -5
 
| -5
Line 391: Line 416:
 
| -16
 
| -16
 
| macroscopic total scattering neutron production cross section
 
| macroscopic total scattering neutron production cross section
 +
|
 +
|-
 +
| -17
 +
| leakage rate
 
|
 
|
 
|-
 
|-
Line 396: Line 425:
 
| temperature majorant cross section
 
| temperature majorant cross section
 
| majorant used for rejetion sampling in [[TMS on-the-fly temperature treatment routine‏‎|TMS]]
 
| majorant used for rejetion sampling in [[TMS on-the-fly temperature treatment routine‏‎|TMS]]
 +
|-
 +
| -53
 +
| macroscopic proton production cross section
 +
|
 +
|-
 +
| -54
 +
| macroscopic deuteron production cross section
 +
|
 +
|-
 +
| -55
 +
| macroscopic triton production cross section
 +
|
 +
|-
 +
| -56
 +
| macroscopic He-3 production cross section
 +
|
 +
|-
 +
| -57
 +
| macroscopic He-4 production cross section
 +
|
 +
|-
 +
| -80
 +
| total energy deposition
 +
| combines responses for fission heating, neutron heating based on KERMA coefficients and analog photon heating
 
|-
 
|-
 
| -100
 
| -100
 
| user-defined response function
 
| user-defined response function
| see [[Detectors#user-defined response function|detailed description]]
+
| followed by a function name corresponding to a function defined using the [[Input syntax manual#fun (function definition)|fun card]], response material is omitted
 
|}
 
|}
  
Line 416: Line 469:
 
| source rate
 
| source rate
 
| ''Note to developers: check that this really works''
 
| ''Note to developers: check that this really works''
 +
|-
 +
| -12
 +
| analog photon heating
 +
| Energy deposition detector
 
|-
 
|-
 
| -15
 
| -15
Line 435: Line 492:
 
| -100
 
| -100
 
| user-defined response function
 
| user-defined response function
| see [[Detectors#user-defined response function|detailed description]] (''Note to developers: check that this really works'')
+
| followed by a function name corresponding to a function defined using the [[Input syntax manual#fun (function definition)|fun card]], response material is omitted
 
|-
 
|-
 
| -200
 
| -200
| photon dose in local material
+
| photon dose rate in local material
| in Gy, using mass attennuation coefficients from NIST data,<ref> Hubbell, J. H. and Seltzer, S.M. ''"Tables of X-Ray Mass Attenuation Coefficients and Mass Energy-Absorption Coefficients."'' (version 1.4).
+
| in Gy/h, using mass attenuation coefficients from NIST data,<ref> Hubbell, J. H. and Seltzer, S.M. ''"Tables of X-Ray Mass Attenuation Coefficients and Mass Energy-Absorption Coefficients."'' (version 1.4).
 
[http://www.nist.gov/pml/data/xraycoef/ http://www.nist.gov/pml/data/xraycoef/]</ref> see [[Detectors#photon dose rate|detailed description]]
 
[http://www.nist.gov/pml/data/xraycoef/ http://www.nist.gov/pml/data/xraycoef/]</ref> see [[Detectors#photon dose rate|detailed description]]
 
|-
 
|-
 
| -201
 
| -201
| photon dose in A-150 Tissue-Equivalent Plastic
+
| photon dose rate in A-150 Tissue-Equivalent Plastic
| Reaction numbers -201 to -248 are reserved to photon dose in pre-defined material compositions using same data as -200
+
| Reaction numbers -201 to -248 are reserved for photon dose rates in pre-defined material compositions using same data as -200
 
|-
 
|-
 
| -202
 
| -202
| photon dose in adipose Tissue (ICRU-44)
+
| photon dose rate in adipose Tissue (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -203
 
| -203
| photon dose in air, Dry (Near Sea Level)
+
| photon dose rate in air, Dry (Near Sea Level)
 
|
 
|
 
|-
 
|-
 
| -204
 
| -204
| photon dose in alanine
+
| photon dose rate in alanine
 
|
 
|
 
|-
 
|-
 
| -205
 
| -205
| photon dose in B-100 Bone-Equivalent Plastic
+
| photon dose rate in B-100 Bone-Equivalent Plastic
 
|
 
|
 
|-
 
|-
 
| -206
 
| -206
| photon dose in bakelite
+
| photon dose rate in bakelite
 
|
 
|
 
|-
 
|-
 
| -207
 
| -207
| photon dose in blood, Whole (ICRU-44)
+
| photon dose rate in blood, Whole (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -208
 
| -208
| photon dose in bone, Cortical (ICRU-44)
+
| photon dose rate in bone, Cortical (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -209
 
| -209
| photon dose in brain, Grey/White Matter (ICRU-44)
+
| photon dose rate in brain, Grey/White Matter (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -210
 
| -210
| photon dose in breast Tissue (ICRU-44)
+
| photon dose rate in breast Tissue (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -211
 
| -211
| photon dose in C-552 Air-equivalent Plastic
+
| photon dose rate in C-552 Air-equivalent Plastic
 
|
 
|
 
|-
 
|-
 
| -212
 
| -212
| photon dose in calcium Sulfate
+
| photon dose rate in calcium Sulfate
 
|
 
|
 
|-
 
|-
 
| -213
 
| -213
| photon dose in 15 mmol/l Ceric Ammonium Sulfate Solution
+
| photon dose rate in 15 mmol/l Ceric Ammonium Sulfate Solution
 
|
 
|
 
|-
 
|-
 
| -214
 
| -214
| photon dose in cesium Iodide
+
| photon dose rate in cesium Iodide
 
|
 
|
 
|-
 
|-
 
| -215
 
| -215
| photon dose in concrete, Barite (Type BA)
+
| photon dose rate in concrete, Barite (Type BA)
 
|
 
|
 
|-
 
|-
 
| -216
 
| -216
| photon dose in concrete, Ordinary
+
| photon dose rate in concrete, Ordinary
 
|
 
|
 
|-
 
|-
 
| -217
 
| -217
| photon dose in eye Lens (ICRU-44)
+
| photon dose rate in eye Lens (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -218
 
| -218
| photon dose in calcium Fluoride
+
| photon dose rate in calcium Fluoride
 
|
 
|
 
|-
 
|-
 
| -219
 
| -219
| photon dose in ferrous Sulfate (Standard Fricke)
+
| photon dose rate in ferrous Sulfate (Standard Fricke)
 
|
 
|
 
|-
 
|-
 
| -220
 
| -220
| photon dose in gadolinium Oxysulfide
+
| photon dose rate in gadolinium Oxysulfide
 
|
 
|
 
|-
 
|-
 
| -221
 
| -221
| photon dose in gafchromic Sensor
+
| photon dose rate in gafchromic Sensor
 
|
 
|
 
|-
 
|-
 
| -222
 
| -222
| photon dose in gallium Arsenide
+
| photon dose rate in gallium Arsenide
 
|
 
|
 
|-
 
|-
 
| -223
 
| -223
| photon dose in glass, Lead
+
| photon dose rate in glass, Lead
 
|
 
|
 
|-
 
|-
 
| -224
 
| -224
| photon dose in photographic Emulsion (Kodak Type AA)
+
| photon dose rate in photographic Emulsion (Kodak Type AA)
 
|
 
|
 
|-
 
|-
 
| -225
 
| -225
| photon dose in lithium Fluride
+
| photon dose rate in lithium Fluride
 
|
 
|
 
|-
 
|-
 
| -226
 
| -226
| photon dose in lithium Tetraborate
+
| photon dose rate in lithium Tetraborate
 
|
 
|
 
|-
 
|-
 
| -227
 
| -227
| photon dose in lung Tissue (ICRU-44)
+
| photon dose rate in lung Tissue (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -228
 
| -228
| photon dose in magnesium Tetroborate
+
| photon dose rate in magnesium Tetroborate
 
|
 
|
 
|-
 
|-
 
| -229
 
| -229
| photon dose in mercuric Iodide
+
| photon dose rate in mercuric Iodide
 
|
 
|
 
|-
 
|-
 
| -230
 
| -230
| photon dose in muscle, Skeletal
+
| photon dose rate in muscle, Skeletal
 
|
 
|
 
|-
 
|-
 
| -231
 
| -231
| photon dose in polyethylene Terephthalate (Mylar)
+
| photon dose rate in polyethylene Terephthalate (Mylar)
 
|
 
|
 
|-
 
|-
 
| -232
 
| -232
| photon dose in radiochromic Dye Film (Nylon Base)
+
| photon dose rate in radiochromic Dye Film (Nylon Base)
 
|
 
|
 
|-
 
|-
 
| -233
 
| -233
| photon dose in ovary (ICRU-44)
+
| photon dose rate in ovary (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -234
 
| -234
| photon dose in photographic Emulsion (Standard Nuclear)
+
| photon dose rate in photographic Emulsion (Standard Nuclear)
 
|
 
|
 
|-
 
|-
 
| -235
 
| -235
| photon dose in polymethyl Methacrylate
+
| photon dose rate in polymethyl Methacrylate
 
|
 
|
 
|-
 
|-
 
| -236
 
| -236
| photon dose in polyethylene
+
| photon dose rate in polyethylene
 
|
 
|
 
|-
 
|-
 
| -237
 
| -237
| photon dose in polystyrene
+
| photon dose rate in polystyrene
 
|
 
|
 
|-
 
|-
 
| -238
 
| -238
| photon dose in polyvinyl Chloride
+
| photon dose rate in polyvinyl Chloride
 
|
 
|
 
|-
 
|-
 
| -239
 
| -239
| photon dose in glass, Borosilicate (Pyrex)
+
| photon dose rate in glass, Borosilicate (Pyrex)
 
|
 
|
 
|-
 
|-
 
| -240
 
| -240
| photon dose in polytetrafluoroethylene (Teflon)
+
| photon dose rate in polytetrafluoroethylene (Teflon)
 
|
 
|
 
|-
 
|-
 
| -241
 
| -241
| photon dose in cadmium Telluride
+
| photon dose rate in cadmium Telluride
 
|
 
|
 
|-
 
|-
 
| -242
 
| -242
| photon dose in tissue-Equivalent Gas (Methane Based)
+
| photon dose rate in tissue-Equivalent Gas (Methane Based)
 
|
 
|
 
|-
 
|-
 
| -243
 
| -243
| photon dose in tissue-Equivalent Gas (Propane Based)
+
| photon dose rate in tissue-Equivalent Gas (Propane Based)
 
|
 
|
 
|-
 
|-
 
| -244
 
| -244
| photon dose in testis (ICRU-44)
+
| photon dose rate in testis (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -245
 
| -245
| photon dose in tissue, Soft (ICRU Four-Component)
+
| photon dose rate in tissue, Soft (ICRU Four-Component)
 
|
 
|
 
|-
 
|-
 
| -246
 
| -246
| photon dose in tissue, Soft (ICRU-44)
+
| photon dose rate in tissue, Soft (ICRU-44)
 
|
 
|
 
|-
 
|-
 
| -247
 
| -247
| photon dose in plastic Scintillator (Vinyltoluene)
+
| photon dose rate in plastic Scintillator (Vinyltoluene)
 
|
 
|
 
|-
 
|-
 
| -248
 
| -248
| photon dose in water, Liquid
+
| photon dose rate in water, Liquid
 
|
 
|
 
|}
 
|}
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Revision as of 10:37, 13 July 2022

Serpent uses standard ENDF reaction MTs to identify neutron and photon reactions. The numbers are used with detector response functions, microscopic cross section calculations and printed in various output files. Detector responses also include macroscopic cross sections (and similar), identified by negative reaction numbers.

Below are descriptive lists of ENDF reaction MTs and macroscopic reaction numbers. For more information on the MT numbers, see the ENDF Format Manual.[1] It should be noted that even though the notation is very similar to that used by MCNP, there are some differences in the definitions of some response functions.

ENDF Reaction MTs

Neutron reactions

MT Description Notes
1 (n,total) incident neutrons only (sum over MTs 2, 4, 5, 11, 16-18, 22-26, 28-37, 41-43, 44-45, 102-117)
2 (z,z0) elastic scattering
3 (z,nonelastic) nonelastic (sum over MTs 4, 5, 11, 16-18, 22-26, 28-37, 41-42, 44-45, 102-117) - redundant
4 (z,n) total inelastic scattering (incident neutrons); production of one neutron in the exit channel (sum over MTs 51 to 91) - redundant
5 (n,anything) sum of all reactions not given explicitly in another MT number, used for lumping together multiple reaction modes
11 (z,2nd) production of two neutrons and a deuteron, plus a residual if any
16 (z,2n) production of two neutrons, plus a residual (if any) - some nuclides miss MT 16 and have only MTs 875-891 instead
17 (z,3n) production of three neutrons, plus a residual (if any)
18 (z,fission) total fission (sum over MTs 19-21 and 38)
19 (n,f) 1st-chance neutron-induced fission
20 (n,nf) 2nd-chance neutron-induced fission
21 (n,2nf) 3rd-chance neutron-induced fission
22 (z,nα) production of a neutron and an alpha particle, plus a residual (if any)
23 (z,n3α) production of a neutron and three alpha particles, plus a residual (if any)
24 (z,2nα) production of two neutron and an alpha particle, plus a residual (if any)
25 (z,3nα) production of three neutrons and an alpha particle, plus a residual (if any)
27 (n,abs) absorption (sum over MTs 18 and 102-117) - redundant
28 (z,np) production of a neutron and a proton, plus a residual (if any)
29 (z,n2α) production of a neutrons and two alpha particles, plus a residual (if any)
30 (z,2n2α) production of two neutrons and two alpha particles, plus a residual (if any)
32 (z,nd) production of a neutron and a deuteron, plus a residual (if any)
33 (z,nt) production of a neutron and a triton, plus a residual (if any)
34 (z,n3He) production of a neutron and a 3He particle, plus a residual (if any)
35 (z,nd2α) production of a neutron, a deuteron and two alpha particles, plus a residual (if any)
36 (z,nt2α) production of a neutron, a triton, and two alpha particles, plus a residual (if any)
37 (z,4n) production of four neutrons, plus a residual (if any)
38 (n,3nf) 4th-chance neutron-induced fission
41 (z,2np) production of two neutrons and a proton, plus a residual (if any)
42 (z,3np) production of three neutrons and a proton, plus a residual (if any)
44 (z,n2p) production of a neutron and two protons, plus a residual (if any)
45 (z,npα) production of a neutron, a proton and an alpha particle, plus a residual (if any)
51-90 (z,ni) inelastic scattering to excited states; production of a neutron leaving the residual nucleus in the ith excited state (i = 1, 2,...,40)
91 (z,nc) inelastic scattering to continuum; production of a neutron in the continuum not included in the above discrete representation
101 (n,disap) total absorption or disappearance (sum over MTs 102-117) - redundant
102 (z,γ) radiative capture (102g/102m for transmutation to ground/isomeric state)
103 (z,p) production of a proton (sum over MTs 600-647, if present), plus a residual (if any)
104 (z,d) production of a deuteron (sum over MTs 650-699, if present), plus a residual (if any)
105 (z,t) production of a triton (sum over MTs 700-749, if present), plus a residual (if any)
106 (z,3He) production of a 3He particle (sum over MTs 750-799, if present), plus a residual (if any)
107 (z,α) production of an alpha particle (sum over MTs 800-849, if present), plus a residual (if any)
108 (z,2α) production of two alpha particles, plus a residual (if any)
109 (z,3α) production of three alpha particles, plus a residual (if any)
111 (z,2p) production of two protons, plus a residual (if any)
112 (z,pα) production of a proton and an alpha particle, plus a residual (if any)
113 (z,t2α) production of a triton and two alpha particles, plus a residual (if any)
114 (z,d2α) production of a deuteron and two alpha particles, plus a residual (if any)
115 (z,pd) production of proton and a deuteron, plus a residual (if any)
116 (z,pt) production of a proton and a triton, plus a residual (if any)
117 (z,dα) production of a deuteron and an alpha particle, plus a residual (if any)
201 (z,Xn) total neutron production - redundant
202 (z,Xγ) total photon production - redundant
203 (z,Xp) total proton production - redundant
204 (z,Xd) total deuteron production redundant
205 (z,Xt) total triton production - redundant
206 (z,X3He) total 3He production - redundant
207 (z,Xα) total alpha production - redundant
301 (z,totheat) total heat production; total heating number multiplied by total cross section (note difference to MCNP)
443 (z,kinkerma) kinematic KERMA - Note to developers: check if this needs to be multiplied by total xs
444 (z,damenergy) damage-energy production - Note to developers: check if this needs to be multiplied by total xs
600 (z,p0) production of a proton, leaving the residual nucleus in the ground state - MTs 600-649 can be used to replace MT 103
601-648 (z,pi) production of a proton, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)
649 (z,pc) production of a proton the continuum not included in the above discrete representation
650 (z,d0) production of a deuteron, leaving the residual nucleus in the ground state - MTs 650-699 can be used to replace MT 104
651-698 (z,di) production of a deuteron, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)
699 (z,dc) production of a deuteron in the continuum not included in the above discrete representation
700 (z,t0) production of a triton, leaving the residual nucleus in the ground state - MTs 700-749 can be used to replace MT 105
701-748 (z,ti) production of a triton, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)
749 (z,tc) production of a triton in the continuum not included in the above discrete representation
750 (z,3He0) production of a3He particle, leaving the residual nucleus in the ground state - MTs 750-799 can be used to replace MT 106
751-798 (z,3Hei) production of a 3He particle, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)
799 (z,3Hec) production of a3He particle in the continuum not included in the above discrete representation
800 (z,α0) production of an alpha particle, leaving the residual nucleus in the ground state - MTs 800-849 can be used to replace MT 107
801 - 848 (z,αi) production of an alpha particle, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)
849 (z,αc) production of an alpha particle in the continuum not included in the above discrete representation
875 (z,2n0) production of a neutron, leaving the residual nucleus in the ground state - MTs 875-891 can be used to replace MT 16
876-890 (z,2ni) production of a neutron, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)
891 (z,2nc) production of a neutron in the continuum not included in the above discrete representation
1002 S(α,β) elastic scattering - not an official ENDF MT number
1004 S(α,β) inelastic scattering - not an official ENDF MT number

Photon reactions

MT Description Notes
301 average heating number energy release
502 Rayleigh scattering coherent scattering
504 Compton scattering incoherent scattering
516 pair production (sum over MTs 515 and 517, electron and nuclear field)
522 photoelectric effect absorption

Macroscopic reaction numbers

Neutron reactions

Reaction # Description Notes
-1 macroscopic total cross section
-2 macroscopic total capture cross section sum of all reactions that do not produce secondary neutrons
-3 macroscopic total elastic scattering cross section
-4 macroscopic total heating cross section
-5 macroscopic total photon production cross section
-6 macroscopic total fission cross section
-7 macroscopic total fission neutron production cross section \nu\Sigma_\mathrm{f}
-8 macroscopic total fission energy production cross section \kappa\Sigma_\mathrm{f}
-9 majorant cross section
-10 macroscopic scattering recoil energy production cross section calculated from neutron energy loss in elastic and inelastic scattering
-11 source rate
-15 neutron density flux multiplied by inverse neutron speed
-16 macroscopic total scattering neutron production cross section
-17 leakage rate
-30 temperature majorant cross section majorant used for rejetion sampling in TMS
-53 macroscopic proton production cross section
-54 macroscopic deuteron production cross section
-55 macroscopic triton production cross section
-56 macroscopic He-3 production cross section
-57 macroscopic He-4 production cross section
-80 total energy deposition combines responses for fission heating, neutron heating based on KERMA coefficients and analog photon heating
-100 user-defined response function followed by a function name corresponding to a function defined using the fun card, response material is omitted

Photon reactions

Reaction # Description Notes
-9 majorant cross section Note to developers: check that this really works
-11 source rate Note to developers: check that this really works
-12 analog photon heating Energy deposition detector
-15 photon density flux multiplied by 1/c (Note to developers: check that this really works)
-25 macroscopic total cross section Note to developers: use -1 instead?
-26 macroscopic total heating cross section Note to developers: use -4 instead?
-27 photon pulse-height detector see detailed description
-100 user-defined response function followed by a function name corresponding to a function defined using the fun card, response material is omitted
-200 photon dose rate in local material in Gy/h, using mass attenuation coefficients from NIST data,[2] see detailed description
-201 photon dose rate in A-150 Tissue-Equivalent Plastic Reaction numbers -201 to -248 are reserved for photon dose rates in pre-defined material compositions using same data as -200
-202 photon dose rate in adipose Tissue (ICRU-44)
-203 photon dose rate in air, Dry (Near Sea Level)
-204 photon dose rate in alanine
-205 photon dose rate in B-100 Bone-Equivalent Plastic
-206 photon dose rate in bakelite
-207 photon dose rate in blood, Whole (ICRU-44)
-208 photon dose rate in bone, Cortical (ICRU-44)
-209 photon dose rate in brain, Grey/White Matter (ICRU-44)
-210 photon dose rate in breast Tissue (ICRU-44)
-211 photon dose rate in C-552 Air-equivalent Plastic
-212 photon dose rate in calcium Sulfate
-213 photon dose rate in 15 mmol/l Ceric Ammonium Sulfate Solution
-214 photon dose rate in cesium Iodide
-215 photon dose rate in concrete, Barite (Type BA)
-216 photon dose rate in concrete, Ordinary
-217 photon dose rate in eye Lens (ICRU-44)
-218 photon dose rate in calcium Fluoride
-219 photon dose rate in ferrous Sulfate (Standard Fricke)
-220 photon dose rate in gadolinium Oxysulfide
-221 photon dose rate in gafchromic Sensor
-222 photon dose rate in gallium Arsenide
-223 photon dose rate in glass, Lead
-224 photon dose rate in photographic Emulsion (Kodak Type AA)
-225 photon dose rate in lithium Fluride
-226 photon dose rate in lithium Tetraborate
-227 photon dose rate in lung Tissue (ICRU-44)
-228 photon dose rate in magnesium Tetroborate
-229 photon dose rate in mercuric Iodide
-230 photon dose rate in muscle, Skeletal
-231 photon dose rate in polyethylene Terephthalate (Mylar)
-232 photon dose rate in radiochromic Dye Film (Nylon Base)
-233 photon dose rate in ovary (ICRU-44)
-234 photon dose rate in photographic Emulsion (Standard Nuclear)
-235 photon dose rate in polymethyl Methacrylate
-236 photon dose rate in polyethylene
-237 photon dose rate in polystyrene
-238 photon dose rate in polyvinyl Chloride
-239 photon dose rate in glass, Borosilicate (Pyrex)
-240 photon dose rate in polytetrafluoroethylene (Teflon)
-241 photon dose rate in cadmium Telluride
-242 photon dose rate in tissue-Equivalent Gas (Methane Based)
-243 photon dose rate in tissue-Equivalent Gas (Propane Based)
-244 photon dose rate in testis (ICRU-44)
-245 photon dose rate in tissue, Soft (ICRU Four-Component)
-246 photon dose rate in tissue, Soft (ICRU-44)
-247 photon dose rate in plastic Scintillator (Vinyltoluene)
-248 photon dose rate in water, Liquid

References

  1. ^ Herman, M. and Trkov, A. "ENDF-6 Formats Manual." CSEWG Document ENDF-102 / BNL-90365-2009.
  2. ^ Hubbell, J. H. and Seltzer, S.M. "Tables of X-Ray Mass Attenuation Coefficients and Mass Energy-Absorption Coefficients." (version 1.4). http://www.nist.gov/pml/data/xraycoef/