MT

Description

Notes

1

(n,total)

incident neutrons only (sum over MTs 2, 4, 5, 11, 1618, 2226, 2837, 4143, 4445, 102117)

2

(n,n_{0})

elastic scattering

3

(n,nonelastic)

nonelastic (sum over MTs 4, 5, 11, 1618, 2226, 2837, 4142, 4445, 102117)  redundant

4

(n,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

(n,2nd)

production of two neutrons and a deuteron, plus a residual if any

16

(n,2n)

production of two neutrons, plus a residual (if any)  some nuclides miss MT 16 and have only MTs 875891 instead

17

(n,3n)

production of three neutrons, plus a residual (if any)

18

(n,fission)

total fission (sum over MTs 1921 and 38)

19

(n,f)

1stchance fission

20

(n,nf)

2ndchance fission

21

(n,2nf)

3rdchance fission

22

(n,nα)

production of a neutron and an alpha particle, plus a residual (if any)

23

(n,n3α)

production of a neutron and three alpha particles, plus a residual (if any)

24

(n,2nα)

production of two neutron and an alpha particle, plus a residual (if any)

25

(n,3nα)

production of three neutrons and an alpha particle, plus a residual (if any)

27

(z,abs)

absorption (sum over MTs 18 and 102117) redundant

28

(n,np)

production of a neutron and a proton, plus a residual (if any)

29

(n,n2α)

production of a neutrons and two alpha particles, plus a residual (if any)

30

(n,2n2α)

production of two neutrons and two alpha particles, plus a residual (if any)

32

(n,nd)

production of a neutron and a deuteron, plus a residual (if any)

33

(n,nt)

production of a neutron and a triton, plus a residual (if any)

34

(n,n^{3}He)

production of a neutron and a ^{3}He particle, plus a residual (if any)

35

(n,nd2α)

production of a neutron, a deuteron and two alpha particles, plus a residual (if any)

36

(n,nt2α)

production of a neutron, a triton, and two alpha particles, plus a residual (if any)

37

(n,4n)

production of four neutrons, plus a residual (if any)

38

(n,3nf)

4thchance fission

41

(n,2np)

production of two neutrons and a proton, plus a residual (if any)

42

(n,3np)

production of three neutrons and a proton, plus a residual (if any)

44

(n,n2p)

production of a neutron and two protons, plus a residual (if any)

45

(n,npα)

production of a neutron, a proton and an alpha particle, plus a residual (if any)

5190

(z,n_{i}

inelastic scattering to excited states; production of a neutron leaving the residual nucleus in the ith excited state (i = 1, 2,...,40)

91

(n,n_{c})

inelastic scattering to continuum; production of a neutron in the continuum not included in the above discrete representation

101

(n,disap)

total absorption or dissaparance (sum over MTs 102117)  redundant

102

(n,γ)

radiative capture (102g/102m for transmutation to ground/isomeric state)

103

(n,p)

production of a proton (sum over MTs 600647, if present), plus a residual (if any)

104

(n,d)

production of a deuteron (sum over MTs 650699, if present), plus a residual (if any)

105

(n,t)

production of a triton (sum over MTs 700749, if present), plus a residual (if any)

106

(n,^{3}He)

production of a ^{3}He particle (sum over MTs 750799, if present), plus a residual (if any)

107

(n,α)

production of an alpha particle (sum over MTs 800849, if present), plus a residual (if any)

108

(n,2α)

production of two alpha particles, plus a residual (if any)

109

(n,3α)

production of three alpha particles, plus a residual (if any)

111

(n,2p)

production of two protons, plus a residual (if any)

112

(n,pα)

production of a proton and an alpha particle, plus a residual (if any)

113

(n,t2α)

production of a triton and two alpha particles, plus a residual (if any)

114

(n,d2α)

production of a deuteron and two alpha particles, plus a residual (if any)

115

(n,pd)

production of proton and a deuteron, plus a residual (if any)

116

(n,pt)

production of a proton and a triton, plus a residual (if any)

117

(n,dα)

production of a deuteron and an alpha particle, plus a residual (if any)

201

(n,totneutron)

total neutron production (use 6 instead); sum of the cross section times the particle implicit/explicit yield over all reactions (ex. elastic scattering) at final stage.

202

(n,totphoton)

total photon production; sum of the cross section times the particle implicit/explicit yield over all reactions (ex. elastic scattering) at final stage.

203

(n,totproton)

total proton production; sum of the cross section times the particle implicit/explicit yield over all reactions (ex. elastic scattering) at final stage.

204

(n,totdeuteron)

total deuteron production; sum of the cross section times the particle implicit/explicit yield over all reactions (ex. elastic scattering) at final stage.

205

(n,tottriton)

total triton production; sum of the cross section times the particle implicit/explicit yield over all reactions (ex. elastic scattering) at final stage.

206

(n,tot^{3}He)

total ^{3}He production; sum of the cross section times the particle implicit/explicit yield over all reactions (ex. elastic scattering) at final stage.

207

(n,totα)

total α production; sum of the cross section times the particle implicit/explicit yield over all reactions (ex. elastic scattering) at final stage.

301

(n,totheat)

total heat production; total heating number multiplied by total cross section (note difference to MCNP)

443

(n,kinkerma)

kinematic KERMA  Note to developers: check if this needs to be multiplied by total xs

444

(n,damenergy)

damageenergy production  Note to developers: check if this needs to be multiplied by total xs

600

(n,p_{0})

production of a proton, leaving the residual nucleus in the ground state  MTs 600649 can be used to replace MT 103

601648

(n,p_{i})

production of a proton, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)

649

(n,p_{c})

production of a proton the continuum not included in the above discrete representation

650

(n,d_{0})

production of a deuteron, leaving the residual nucleus in the ground state  MTs 650699 can be used to replace MT 104

651698

(n,d_{i})

production of a deuteron, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)

699

(n,d_{c})

production of a deuteron in the continuum not included in the above discrete representation

700

(n,t_{0})

production of a triton, leaving the residual nucleus in the ground state  MTs 700749 can be used to replace MT 105

701748

(n,t_{i})

production of a triton, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)

749

(n,t_{c})

production of a triton in the continuum not included in the above discrete representation

750

(n,^{3}He_{0})

production of a^{3}He particle, leaving the residual nucleus in the ground state  MTs 750799 can be used to replace MT 106

751798

(n,^{3}He_{i})

production of a ^{3}He particle, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)

799

(n,^{3}He_{c})

production of a^{3}He particle in the continuum not included in the above discrete representation

800

(n,α_{0})

production of an alpha particle, leaving the residual nucleus in the ground state  MTs 800849 can be used to replace MT 107

801  848

(n,α_{i})

production of an alpha particle, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)

849

(n,α_{c})

production of an alpha particle in the continuum not included in the above discrete representation

875

(n,2n_{0})

production of a neutron, leaving the residual nucleus in the ground state  MTs 875891 can be used to replace MT 16

876890

(n,2n_{i})

production of a neutron, leaving the residual nucleus in the ith excited state (i = 1,2,...,48)

891

(n,2n_{c})

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
