340 1 (n,total) Neutron total cross section. Sum of MT=2, 4, 5, 11, 16-18, 22-26, 28-37, 41-42, 44-45, and 102-117. Redundant. Undefined for incident charged particles. 2 (z,z0) Elastic scattering cross section for incident particles. 3 (z,nonelastic) Nonelastic cross section. Sum of MT=4, 5, 11, 16-18, 22-26, 28-37, 41-42, 44-45, 102-117. Redundant. For photon production only. 4 (z,n) Production of one neutron in the exit channel. Sum of MT=50-91. Redundant. For incident neutrons, this is total inelastic scattering (MT=50 is undefined for neutrons). 5 (z,anything) Sum of all reactions not given explicitly in another MT number. This is a partial reaction to be added to obtain MT=1. Each particles can be identified and its multiplicity given in File 6. Not allowed in Files 4, 5. 10 (z,continuum) Total continuum reaction; exclues all discrete reactions. Redundant; to be used for derived files only. 11 (z,2nd) Production of two neutrons and a deuteron, plus a residual. 16 (z,2n) Production of two neutrons, plus a residual. 17 (z,2n) Production of three neutrons, plus a residual. 18 (z,fission) Total fission. Equal to the sum of MT=19, 20, 21, and 38, if present. Redundant if MT=19 is present. Basic otherwise. 19 (z,f) First-chance fission. 20 (z,nf) Second-chance fission. 21 (z,2nf) Third-chance fission. 22 (z,na) Production of a neutron and alpha particle, plus a residual. 23 (z,n3a) Production of a neutron and three alpha particles, plus a residual. 24 (z,2na) Production of two neutrons and an alpha particle, plus a residual. 25 (z,3na) Production of three neutrons and an alpha particle, plus a residual. 27 (z,abs) Absorption. Sum of MT=18 and MT=102-117. Redundant. Rarely used. 28 (z,np) Production of a neutron and a proton, plus a residual. 29 (z,n2a) Production of a neutron and two alpha particles, plus a residual. 30 (z,2n2a) Production of two neutrons and two alpha particles, plus a residual. 32 (z,nd) Production of a neutron and a deuteron, plus a residual. 33 (z,nt) Production of a neutron and a triton, plus a residual. 34 (z,n3He) Production of a neutron and a 3He particle, plus a residual. 35 (z,nd2a) Production of a neutron, a deuteron, and two alpha particles, plus a residual. 36 (z,nt2a) Production of a neutron, a triton, and two alpha particles, plus a residual. 37 (z,4n) Production of four neutrons, plus a residual. 38 (z,3nf) Fourth-change fission. 41 (z,2np) Production of two neutrons and a proton, plus a residual. 42 (z,3np) Production of three neutrons and a proton, plus a residual. 44 (z,n2p) Production of a neutron and two protons, plus a residual. 45 (z,npa) Production of a neutron, a proton, and an alpha particle, plus a residual. 50 (z,n0) Production of a neutron, leaving the residual nucleus in the ground state. Not allowed for incident neutrons. Use MT=2. 51 (z,n1) Production of a neutron, leaving the residual nucleus in the first excited state. 52 (z,n2) Production of a neutron, leaving the residual nucleus in the 2nd excited state. 53 (z,n3) Production of a neutron, leaving the residual nucleus in the 3rd excited state. 54 (z,n4) Production of a neutron, leaving the residual nucleus in the 4th excited state. 55 (z,n5) Production of a neutron, leaving the residual nucleus in the 5th excited state. 56 (z,n6) Production of a neutron, leaving the residual nucleus in the 6th excited state. 57 (z,n7) Production of a neutron, leaving the residual nucleus in the 7th excited state. 58 (z,n8) Production of a neutron, leaving the residual nucleus in the 8th excited state. 59 (z,n9) Production of a neutron, leaving the residual nucleus in the 9th excited state. 60 (z,n10) Production of a neutron, leaving the residual nucleus in the 10th excited state. 61 (z,n11) Production of a neutron, leaving the residual nucleus in the 11th excited state. 62 (z,n12) Production of a neutron, leaving the residual nucleus in the 12th excited state. 63 (z,n13) Production of a neutron, leaving the residual nucleus in the 13th excited state. 64 (z,n14) Production of a neutron, leaving the residual nucleus in the 14th excited state. 65 (z,n15) Production of a neutron, leaving the residual nucleus in the 15th excited state. 66 (z,n16) Production of a neutron, leaving the residual nucleus in the 16th excited state. 67 (z,n17) Production of a neutron, leaving the residual nucleus in the 17th excited state. 68 (z,n18) Production of a neutron, leaving the residual nucleus in the 18th excited state. 69 (z,n19) Production of a neutron, leaving the residual nucleus in the 19th excited state. 70 (z,n20) Production of a neutron, leaving the residual nucleus in the 20th excited state. 71 (z,n21) Production of a neutron, leaving the residual nucleus in the 21th excited state. 72 (z,n22) Production of a neutron, leaving the residual nucleus in the 22th excited state. 73 (z,n23) Production of a neutron, leaving the residual nucleus in the 23th excited state. 74 (z,n24) Production of a neutron, leaving the residual nucleus in the 24th excited state. 75 (z,n25) Production of a neutron, leaving the residual nucleus in the 25th excited state. 76 (z,n26) Production of a neutron, leaving the residual nucleus in the 26th excited state. 77 (z,n27) Production of a neutron, leaving the residual nucleus in the 27th excited state. 78 (z,n28) Production of a neutron, leaving the residual nucleus in the 28th excited state. 79 (z,n29) Production of a neutron, leaving the residual nucleus in the 29th excited state. 80 (z,n30) Production of a neutron, leaving the residual nucleus in the 30th excited state. 81 (z,n31) Production of a neutron, leaving the residual nucleus in the 31th excited state. 82 (z,n32) Production of a neutron, leaving the residual nucleus in the 32th excited state. 83 (z,n33) Production of a neutron, leaving the residual nucleus in the 33th excited state. 84 (z,n34) Production of a neutron, leaving the residual nucleus in the 34th excited state. 85 (z,n35) Production of a neutron, leaving the residual nucleus in the 35th excited state. 86 (z,n36) Production of a neutron, leaving the residual nucleus in the 36th excited state. 87 (z,n37) Production of a neutron, leaving the residual nucleus in the 37th excited state. 88 (z,n38) Production of a neutron, leaving the residual nucleus in the 38th excited state. 89 (z,n39) Production of a neutron, leaving the residual nucleus in the 39th excited state. 90 (z,n40) Production of a neutron, leaving the residual nucleus in the 40th excited state. 91 (z,nc) Production of a neutron in the continuum not included in the above discrete representation. 101 (z,disap) Disappearance. Sum of MT=102-117. Redundant. Rarely used. 102 (z,gamma) Radiative capture. 103 (z,p) Production of a proton, plus a residual. Sum of MT=600-649, if they are present. For incident protons, this is inelastic scattering, and MT=600 is undefined (use MT=2). 104 (z,d) Production of a deuteron, plus a residual. Sum of MT=650-699, if they are present. For incident deuterons, this is inelastic scattering, and MT=650 is undefined (use MT=2). 105 (z,t) Production of a triton, plus a residual. Sum of MT=700-749, if they are present. For incident tritons, this is inelastic scattering, and MT=700 is undefined (use MT=2). 106 (z,3He) Production of a