Reaction#

class montepy.Reaction(number: int)#

Bases: ReactionExpression

A leaf reaction number: a single ENDF (MT) or special (R) reaction.

Does not call ReactionExpression.__init__ — mirrors UnitHalfSpace, which holds independent leaf state rather than being a degenerate composite node pointing at itself. Inherits __mul__/__add__/__sub__/__rand__ from ReactionExpression unchanged; only __eq__/__repr__ need leaf-specific overrides.

Common reaction numbers are available as ready-to-use class attributes, e.g. Reaction.CAPTURE for MT 102, (n,gamma) radiative capture, so you don’t need to remember raw MT numbers. These are not exhaustive or closed — any other MT/reaction number still works via Reaction(n) directly; the class attributes are just a convenience. The full list is intentionally large (500+ constants, covering every officially-assigned ENDF-6 MT), so use your editor’s autocomplete or search rather than scanning the alphabetical attribute list below. Roughly, the categories are:

  • Everyday physics — TOTAL, ELASTIC, INELASTIC_SCATTER, N_2N, N_3N, FISSION, CAPTURE, N_P, N_D, N_T, N_HE3, N_ALPHA — the handful of reactions most tallies actually use.

  • MCNP’s own aliases (negative numbers: TOTAL_MCNP, ABSORPTION, ELASTIC_MCNP, HEATING, PHOTON_PRODUCTION, FISSION_MCNP) — computed directly from transport data, not a single ENDF MT channel.

  • NJOY-derived quantities — RADIATION_DAMAGE and its RADIATION_DAMAGE_* siblings (HEATR displacement-damage energies, split the same way ENDF splits total/elastic/inelastic/capture), plus AVERAGE_LETHARGY, INVERSE_VELOCITY, WEIGHTING_FLUX, PHOTON_HEATING, KINEMATIC_KERMA, FISSION_STEADY_STATE_SPECTRUM, and FISSION_DELAYED_SPECTRUM (from GROUPR/HEATR/DTFR) — not official ENDF-6 reaction numbers, but real values NJOY computes and MCNP libraries carry.

  • Everything else in ENDF-6 Appendix B — redundant summary/total cross sections (NONELASTIC, TOTAL_ABSORPTION, …); partial fission chances (FISSION_FIRST_CHANCE .. FISSION_FOURTH_CHANCE); exclusive multi-particle-emission channels (N_2N_D, N_N_ALPHA, … roughly MT 11-200); total-particle-production sums (TOTAL_NEUTRON_PRODUCTION, …); fission nu-bar/yield/decay data (NU_TOTAL, NU_DELAYED, …); photo-/electro-atomic data for incident photons/electrons (TOTAL_ATOMIC_INTERACTION, PHOTON_COHERENT_SCATTERING, atomic subshells SUBSHELL_K .. SUBSHELL_Q3, …); and discrete-level exit channels (_L00 .. _L48, plus a trailing _CONTINUUM) for INELASTIC_SCATTER, N_P, N_D, N_T, N_HE3, N_ALPHA, and N_2N.

Non-standard, library-specific MT numbers that aren’t covered by any named constant — e.g. IRDF-II’s non-standard capture reaction, MT 11102 — still work via plain Reaction(n): MontePy doesn’t validate MT numbers against any of these lists.

Added in version 1.6.0b2.

Attributes:

ABSORPTION

ANYTHING

ATOMIC_RELAXATION_DATA

AVERAGE_COSINE_ELASTIC

AVERAGE_ENERGY_DECREMENT_RATIO_ELASTIC

AVERAGE_LETHARGY

AVERAGE_LOG_ENERGY_DECREMENT_ELASTIC

CAPTURE

DELAYED_FISSION_PHOTONS

ELASTIC

ELASTIC_MCNP

ELECTRO_ATOMIC_BREMSSTRAHLUNG

ELECTRO_ATOMIC_EXCITATION

FISSION

FISSION_DELAYED_SPECTRUM

FISSION_ENERGY_RELEASE

FISSION_FIRST_CHANCE

FISSION_FOURTH_CHANCE

FISSION_MCNP

FISSION_SECOND_CHANCE

FISSION_STEADY_STATE_SPECTRUM

FISSION_THIRD_CHANCE

FISSION_YIELD_CUMULATIVE

FISSION_YIELD_INDEPENDENT

HEATING

IMAGINARY_SCATTERING_FACTOR

INELASTIC_SCATTER

INELASTIC_SCATTER_CONTINUUM

INELASTIC_SCATTER_L01

INELASTIC_SCATTER_L02

INELASTIC_SCATTER_L03

INELASTIC_SCATTER_L04

INELASTIC_SCATTER_L05

INELASTIC_SCATTER_L06

INELASTIC_SCATTER_L07

INELASTIC_SCATTER_L08

INELASTIC_SCATTER_L09

INELASTIC_SCATTER_L10

INELASTIC_SCATTER_L11

INELASTIC_SCATTER_L12

INELASTIC_SCATTER_L13

INELASTIC_SCATTER_L14

INELASTIC_SCATTER_L15

INELASTIC_SCATTER_L16

INELASTIC_SCATTER_L17

INELASTIC_SCATTER_L18

INELASTIC_SCATTER_L19

INELASTIC_SCATTER_L20

INELASTIC_SCATTER_L21

INELASTIC_SCATTER_L22

INELASTIC_SCATTER_L23

INELASTIC_SCATTER_L24

INELASTIC_SCATTER_L25

INELASTIC_SCATTER_L26

INELASTIC_SCATTER_L27

INELASTIC_SCATTER_L28

INELASTIC_SCATTER_L29

INELASTIC_SCATTER_L30

INELASTIC_SCATTER_L31

INELASTIC_SCATTER_L32

INELASTIC_SCATTER_L33

INELASTIC_SCATTER_L34

INELASTIC_SCATTER_L35

INELASTIC_SCATTER_L36

INELASTIC_SCATTER_L37

INELASTIC_SCATTER_L38

INELASTIC_SCATTER_L39

INELASTIC_SCATTER_L40

INVERSE_VELOCITY

IONIZATION_TOTAL

KINEMATIC_KERMA

LARGE_ANGLE_SCATTERING

NEUTRON_DISAPPEARANCE

NONELASTIC

NU_DELAYED

NU_PROMPT

NU_TOTAL

N_2ALPHA

N_2N

N_2N_2ALPHA

N_2N_2P

N_2N_ALPHA

N_2N_CONTINUUM

N_2N_D

N_2N_HE3

N_2N_L00

N_2N_L01

N_2N_L02

N_2N_L03

N_2N_L04

N_2N_L05

N_2N_L06

N_2N_L07

N_2N_L08

N_2N_L09

N_2N_L10

N_2N_L11

N_2N_L12

N_2N_L13

N_2N_L14

N_2N_L15

N_2N_P

N_2N_P_ALPHA

N_2N_T

N_2P

N_3ALPHA

N_3N

N_3N_2ALPHA

N_3N_2P

N_3N_2P_ALPHA

N_3N_ALPHA

N_3N_D

N_3N_HE3

N_3N_P

N_3N_P_ALPHA

N_3N_T

N_3P

N_4N

N_4N_2ALPHA

N_4N_2P

N_4N_ALPHA

N_4N_D

N_4N_HE3

N_4N_P

N_4N_P_ALPHA

N_4N_T

N_5N

N_5N_2P

N_5N_ALPHA

N_5N_D

N_5N_P

N_5N_T

N_6N

N_6N_ALPHA

N_6N_D

N_6N_P

N_6N_T

N_7N

N_7N_ALPHA

N_7N_P

N_8N

N_ALPHA

N_ALPHA_CONTINUUM

N_ALPHA_L00

N_ALPHA_L01

N_ALPHA_L02

N_ALPHA_L03

N_ALPHA_L04

N_ALPHA_L05

N_ALPHA_L06

N_ALPHA_L07

N_ALPHA_L08

N_ALPHA_L09

N_ALPHA_L10

N_ALPHA_L11

N_ALPHA_L12

N_ALPHA_L13

N_ALPHA_L14

N_ALPHA_L15

N_ALPHA_L16

N_ALPHA_L17

N_ALPHA_L18

N_ALPHA_L19

N_ALPHA_L20

N_ALPHA_L21

N_ALPHA_L22

N_ALPHA_L23

N_ALPHA_L24

N_ALPHA_L25

N_ALPHA_L26

N_ALPHA_L27

N_ALPHA_L28

N_ALPHA_L29

N_ALPHA_L30

N_ALPHA_L31

N_ALPHA_L32

N_ALPHA_L33

N_ALPHA_L34

N_ALPHA_L35

N_ALPHA_L36

N_ALPHA_L37

N_ALPHA_L38

N_ALPHA_L39

N_ALPHA_L40

N_ALPHA_L41

N_ALPHA_L42

N_ALPHA_L43

N_ALPHA_L44

N_ALPHA_L45

N_ALPHA_L46

N_ALPHA_L47

N_ALPHA_L48

N_D

N_D_2ALPHA

N_D_ALPHA

N_D_CONTINUUM

N_D_HE3

N_D_L00

N_D_L01

N_D_L02

N_D_L03

N_D_L04

N_D_L05

N_D_L06

N_D_L07

N_D_L08

N_D_L09

N_D_L10

N_D_L11

N_D_L12

N_D_L13

N_D_L14

N_D_L15

N_D_L16

N_D_L17

N_D_L18

N_D_L19

N_D_L20

N_D_L21

N_D_L22

N_D_L23

N_D_L24

N_D_L25

N_D_L26

N_D_L27

N_D_L28

N_D_L29

N_D_L30

N_D_L31

N_D_L32

N_D_L33

N_D_L34

N_D_L35

N_D_L36

N_D_L37

N_D_L38

N_D_L39

N_D_L40

N_D_L41

N_D_L42

N_D_L43

N_D_L44

N_D_L45

N_D_L46

N_D_L47

N_D_L48

N_D_T

N_HE3

N_HE3_ALPHA

N_HE3_CONTINUUM

N_HE3_L00

N_HE3_L01

N_HE3_L02

N_HE3_L03

N_HE3_L04

N_HE3_L05

N_HE3_L06

N_HE3_L07

N_HE3_L08

N_HE3_L09

N_HE3_L10

N_HE3_L11

N_HE3_L12

N_HE3_L13

N_HE3_L14

N_HE3_L15

N_HE3_L16

N_HE3_L17

N_HE3_L18

N_HE3_L19

N_HE3_L20

N_HE3_L21

N_HE3_L22

N_HE3_L23

N_HE3_L24

N_HE3_L25

N_HE3_L26

N_HE3_L27

N_HE3_L28

N_HE3_L29

N_HE3_L30

N_HE3_L31

N_HE3_L32

N_HE3_L33

N_HE3_L34

N_HE3_L35

N_HE3_L36

N_HE3_L37

N_HE3_L38

N_HE3_L39

N_HE3_L40

N_HE3_L41

N_HE3_L42

N_HE3_L43

N_HE3_L44

N_HE3_L45

N_HE3_L46

N_HE3_L47

N_HE3_L48

N_N_2ALPHA

N_N_2P

N_N_3ALPHA

N_N_3P

N_N_ALPHA

N_N_D

N_N_D_2ALPHA

N_N_D_ALPHA

N_N_D_HE3

N_N_D_T

N_N_HE3

N_N_P

N_N_P_ALPHA

N_N_P_D

N_N_P_HE3

N_N_P_T

N_N_T

N_N_T_2ALPHA

N_N_T_ALPHA

N_N_T_HE3

N_P

N_P_ALPHA

N_P_CONTINUUM

N_P_D

N_P_HE3

N_P_L00

N_P_L01

N_P_L02

N_P_L03

N_P_L04

N_P_L05

N_P_L06

N_P_L07

N_P_L08

N_P_L09

N_P_L10

N_P_L11

N_P_L12

N_P_L13

N_P_L14

N_P_L15

N_P_L16

N_P_L17

N_P_L18

N_P_L19

N_P_L20

N_P_L21

N_P_L22

N_P_L23

N_P_L24

N_P_L25

N_P_L26

N_P_L27

N_P_L28

N_P_L29

N_P_L30

N_P_L31

N_P_L32

N_P_L33

N_P_L34

N_P_L35

N_P_L36

N_P_L37

N_P_L38

N_P_L39

N_P_L40

N_P_L41

N_P_L42

N_P_L43

N_P_L44

N_P_L45

N_P_L46

N_P_L47

N_P_L48

N_P_T

N_T

N_T_2ALPHA

N_T_ALPHA

N_T_CONTINUUM

N_T_L00

N_T_L01

N_T_L02

N_T_L03

N_T_L04

N_T_L05

N_T_L06

N_T_L07

N_T_L08

N_T_L09

N_T_L10

N_T_L11

N_T_L12

N_T_L13

N_T_L14

N_T_L15

N_T_L16

N_T_L17

N_T_L18

N_T_L19

N_T_L20

N_T_L21

N_T_L22

N_T_L23

N_T_L24

N_T_L25

N_T_L26

N_T_L27

N_T_L28

N_T_L29

N_T_L30

N_T_L31

N_T_L32

N_T_L33

N_T_L34

N_T_L35

N_T_L36

N_T_L37

N_T_L38

N_T_L39

N_T_L40

N_T_L41

N_T_L42

N_T_L43

N_T_L44

N_T_L45

N_T_L46

N_T_L47

N_T_L48

PAIR_PRODUCTION_ELECTRON_FIELD

PAIR_PRODUCTION_NUCLEAR_FIELD

PAIR_PRODUCTION_TOTAL

PHOTOEXCITATION

PHOTON_COHERENT_SCATTERING

PHOTON_HEATING

PHOTON_INCOHERENT_SCATTERING

PHOTON_PRODUCTION

RADIATION_DAMAGE

RADIATION_DAMAGE_DISAPPEARANCE

RADIATION_DAMAGE_ELASTIC

RADIATION_DAMAGE_INELASTIC

RADIOACTIVE_DECAY_DATA

REAL_SCATTERING_FACTOR

RESONANCE_PARAMETERS

SUBSHELL_K

SUBSHELL_L1

SUBSHELL_L2

SUBSHELL_L3

SUBSHELL_M1

SUBSHELL_M2

SUBSHELL_M3

SUBSHELL_M4

SUBSHELL_M5

SUBSHELL_N1

SUBSHELL_N2

SUBSHELL_N3

SUBSHELL_N4

SUBSHELL_N5

SUBSHELL_N6

SUBSHELL_N7

SUBSHELL_O1

SUBSHELL_O2

SUBSHELL_O3

SUBSHELL_O4

SUBSHELL_O5

SUBSHELL_O6

SUBSHELL_O7

SUBSHELL_O8

SUBSHELL_O9

SUBSHELL_P1

SUBSHELL_P10

SUBSHELL_P11

SUBSHELL_P2

SUBSHELL_P3

SUBSHELL_P4

SUBSHELL_P5

SUBSHELL_P6

SUBSHELL_P7

SUBSHELL_P8

SUBSHELL_P9

SUBSHELL_Q1

SUBSHELL_Q2

SUBSHELL_Q3

TOTAL

TOTAL_ABSORPTION

TOTAL_ALPHA_PRODUCTION

TOTAL_ANTINEUTRON_PRODUCTION

TOTAL_ANTIPROTON_PRODUCTION

TOTAL_ATOMIC_INTERACTION

TOTAL_CHARGED_PARTICLE_STOPPING_POWER

TOTAL_CONTINUUM

TOTAL_DEUTERON_PRODUCTION

TOTAL_ELECTRO_ATOMIC_SCATTERING

TOTAL_GAMMA_PRODUCTION

TOTAL_HE3_PRODUCTION

TOTAL_KAON_MINUS_PRODUCTION

TOTAL_KAON_PLUS_PRODUCTION

TOTAL_KAON_ZERO_LONG_PRODUCTION

TOTAL_KAON_ZERO_SHORT_PRODUCTION

TOTAL_MCNP

TOTAL_MU_MINUS_PRODUCTION

TOTAL_MU_PLUS_PRODUCTION

TOTAL_NEUTRON_PRODUCTION

TOTAL_PI_MINUS_PRODUCTION

TOTAL_PI_PLUS_PRODUCTION

TOTAL_PI_ZERO_PRODUCTION

TOTAL_PROTON_PRODUCTION

TOTAL_TRITON_PRODUCTION

WEIGHTING_FLUX

left

The left side of this expression.

node

The syntax node for this reaction expression.

number

The raw ENDF (MT) or special (R) reaction number.

operator

The ReactionOperator joining the two sides.

right

The right side of this expression.

Parameters:

number (int)

ABSORPTION = Reaction(-2)#
ANYTHING = Reaction(5)#
ATOMIC_RELAXATION_DATA = Reaction(533)#
AVERAGE_COSINE_ELASTIC = Reaction(251)#
AVERAGE_ENERGY_DECREMENT_RATIO_ELASTIC = Reaction(253)#
AVERAGE_LETHARGY = Reaction(258)#
AVERAGE_LOG_ENERGY_DECREMENT_ELASTIC = Reaction(252)#
CAPTURE = Reaction(102)#
DELAYED_FISSION_PHOTONS = Reaction(460)#
ELASTIC = Reaction(2)#
ELASTIC_MCNP = Reaction(-3)#
ELECTRO_ATOMIC_BREMSSTRAHLUNG = Reaction(527)#
ELECTRO_ATOMIC_EXCITATION = Reaction(528)#
FISSION = Reaction(18)#
FISSION_DELAYED_SPECTRUM = Reaction(471)#
FISSION_ENERGY_RELEASE = Reaction(458)#
FISSION_FIRST_CHANCE = Reaction(19)#
FISSION_FOURTH_CHANCE = Reaction(38)#
FISSION_MCNP = Reaction(-6)#
FISSION_SECOND_CHANCE = Reaction(20)#
FISSION_STEADY_STATE_SPECTRUM = Reaction(470)#
FISSION_THIRD_CHANCE = Reaction(21)#
FISSION_YIELD_CUMULATIVE = Reaction(459)#
FISSION_YIELD_INDEPENDENT = Reaction(454)#
HEATING = Reaction(-4)#
IMAGINARY_SCATTERING_FACTOR = Reaction(505)#
INELASTIC_SCATTER = Reaction(4)#
INELASTIC_SCATTER_CONTINUUM = Reaction(91)#
INELASTIC_SCATTER_L01 = Reaction(51)#
INELASTIC_SCATTER_L02 = Reaction(52)#
INELASTIC_SCATTER_L03 = Reaction(53)#
INELASTIC_SCATTER_L04 = Reaction(54)#
INELASTIC_SCATTER_L05 = Reaction(55)#
INELASTIC_SCATTER_L06 = Reaction(56)#
INELASTIC_SCATTER_L07 = Reaction(57)#
INELASTIC_SCATTER_L08 = Reaction(58)#
INELASTIC_SCATTER_L09 = Reaction(59)#
INELASTIC_SCATTER_L10 = Reaction(60)#
INELASTIC_SCATTER_L11 = Reaction(61)#
INELASTIC_SCATTER_L12 = Reaction(62)#
INELASTIC_SCATTER_L13 = Reaction(63)#
INELASTIC_SCATTER_L14 = Reaction(64)#
INELASTIC_SCATTER_L15 = Reaction(65)#
INELASTIC_SCATTER_L16 = Reaction(66)#
INELASTIC_SCATTER_L17 = Reaction(67)#
INELASTIC_SCATTER_L18 = Reaction(68)#
INELASTIC_SCATTER_L19 = Reaction(69)#
INELASTIC_SCATTER_L20 = Reaction(70)#
INELASTIC_SCATTER_L21 = Reaction(71)#
INELASTIC_SCATTER_L22 = Reaction(72)#
INELASTIC_SCATTER_L23 = Reaction(73)#
INELASTIC_SCATTER_L24 = Reaction(74)#
INELASTIC_SCATTER_L25 = Reaction(75)#
INELASTIC_SCATTER_L26 = Reaction(76)#
INELASTIC_SCATTER_L27 = Reaction(77)#
INELASTIC_SCATTER_L28 = Reaction(78)#
INELASTIC_SCATTER_L29 = Reaction(79)#
INELASTIC_SCATTER_L30 = Reaction(80)#
INELASTIC_SCATTER_L31 = Reaction(81)#
INELASTIC_SCATTER_L32 = Reaction(82)#
INELASTIC_SCATTER_L33 = Reaction(83)#
INELASTIC_SCATTER_L34 = Reaction(84)#
INELASTIC_SCATTER_L35 = Reaction(85)#
INELASTIC_SCATTER_L36 = Reaction(86)#
INELASTIC_SCATTER_L37 = Reaction(87)#
INELASTIC_SCATTER_L38 = Reaction(88)#
INELASTIC_SCATTER_L39 = Reaction(89)#
INELASTIC_SCATTER_L40 = Reaction(90)#
INVERSE_VELOCITY = Reaction(259)#
IONIZATION_TOTAL = Reaction(522)#
KINEMATIC_KERMA = Reaction(443)#
LARGE_ANGLE_SCATTERING = Reaction(525)#
NEUTRON_DISAPPEARANCE = Reaction(101)#
NONELASTIC = Reaction(3)#
NU_DELAYED = Reaction(455)#
NU_PROMPT = Reaction(456)#
NU_TOTAL = Reaction(452)#
N_2ALPHA = Reaction(108)#
N_2N = Reaction(16)#
N_2N_2ALPHA = Reaction(30)#
N_2N_2P = Reaction(190)#
N_2N_ALPHA = Reaction(24)#
N_2N_CONTINUUM = Reaction(891)#
N_2N_D = Reaction(11)#
N_2N_HE3 = Reaction(176)#
N_2N_L00 = Reaction(875)#
N_2N_L01 = Reaction(876)#
N_2N_L02 = Reaction(877)#
N_2N_L03 = Reaction(878)#
N_2N_L04 = Reaction(879)#
N_2N_L05 = Reaction(880)#
N_2N_L06 = Reaction(881)#
N_2N_L07 = Reaction(882)#
N_2N_L08 = Reaction(883)#
N_2N_L09 = Reaction(884)#
N_2N_L10 = Reaction(885)#
N_2N_L11 = Reaction(886)#
N_2N_L12 = Reaction(887)#
N_2N_L13 = Reaction(888)#
N_2N_L14 = Reaction(889)#
N_2N_L15 = Reaction(890)#
N_2N_P = Reaction(41)#
N_2N_P_ALPHA = Reaction(159)#
N_2N_T = Reaction(154)#
N_2P = Reaction(111)#
N_3ALPHA = Reaction(109)#
N_3N = Reaction(17)#
N_3N_2ALPHA = Reaction(180)#
N_3N_2P = Reaction(179)#
N_3N_2P_ALPHA = Reaction(199)#
N_3N_ALPHA = Reaction(25)#
N_3N_D = Reaction(157)#
N_3N_HE3 = Reaction(177)#
N_3N_P = Reaction(42)#
N_3N_P_ALPHA = Reaction(181)#
N_3N_T = Reaction(172)#
N_3P = Reaction(197)#
N_4N = Reaction(37)#
N_4N_2ALPHA = Reaction(195)#
N_4N_2P = Reaction(194)#
N_4N_ALPHA = Reaction(165)#
N_4N_D = Reaction(169)#
N_4N_HE3 = Reaction(178)#
N_4N_P = Reaction(156)#
N_4N_P_ALPHA = Reaction(196)#
N_4N_T = Reaction(173)#
N_5N = Reaction(152)#
N_5N_2P = Reaction(200)#
N_5N_ALPHA = Reaction(166)#
N_5N_D = Reaction(170)#
N_5N_P = Reaction(162)#
N_5N_T = Reaction(174)#
N_6N = Reaction(153)#
N_6N_ALPHA = Reaction(167)#
N_6N_D = Reaction(171)#
N_6N_P = Reaction(163)#
N_6N_T = Reaction(175)#
N_7N = Reaction(160)#
N_7N_ALPHA = Reaction(168)#
N_7N_P = Reaction(164)#
N_8N = Reaction(161)#
N_ALPHA = Reaction(107)#
N_ALPHA_CONTINUUM = Reaction(849)#
N_ALPHA_L00 = Reaction(800)#
N_ALPHA_L01 = Reaction(801)#
N_ALPHA_L02 = Reaction(802)#
N_ALPHA_L03 = Reaction(803)#
N_ALPHA_L04 = Reaction(804)#
N_ALPHA_L05 = Reaction(805)#
N_ALPHA_L06 = Reaction(806)#
N_ALPHA_L07 = Reaction(807)#
N_ALPHA_L08 = Reaction(808)#
N_ALPHA_L09 = Reaction(809)#
N_ALPHA_L10 = Reaction(810)#
N_ALPHA_L11 = Reaction(811)#
N_ALPHA_L12 = Reaction(812)#
N_ALPHA_L13 = Reaction(813)#
N_ALPHA_L14 = Reaction(814)#
N_ALPHA_L15 = Reaction(815)#
N_ALPHA_L16 = Reaction(816)#
N_ALPHA_L17 = Reaction(817)#
N_ALPHA_L18 = Reaction(818)#
N_ALPHA_L19 = Reaction(819)#
N_ALPHA_L20 = Reaction(820)#
N_ALPHA_L21 = Reaction(821)#
N_ALPHA_L22 = Reaction(822)#
N_ALPHA_L23 = Reaction(823)#
N_ALPHA_L24 = Reaction(824)#
N_ALPHA_L25 = Reaction(825)#
N_ALPHA_L26 = Reaction(826)#
N_ALPHA_L27 = Reaction(827)#
N_ALPHA_L28 = Reaction(828)#
N_ALPHA_L29 = Reaction(829)#
N_ALPHA_L30 = Reaction(830)#
N_ALPHA_L31 = Reaction(831)#
N_ALPHA_L32 = Reaction(832)#
N_ALPHA_L33 = Reaction(833)#
N_ALPHA_L34 = Reaction(834)#
N_ALPHA_L35 = Reaction(835)#
N_ALPHA_L36 = Reaction(836)#
N_ALPHA_L37 = Reaction(837)#
N_ALPHA_L38 = Reaction(838)#
N_ALPHA_L39 = Reaction(839)#
N_ALPHA_L40 = Reaction(840)#
N_ALPHA_L41 = Reaction(841)#
N_ALPHA_L42 = Reaction(842)#
N_ALPHA_L43 = Reaction(843)#
N_ALPHA_L44 = Reaction(844)#
N_ALPHA_L45 = Reaction(845)#
N_ALPHA_L46 = Reaction(846)#
N_ALPHA_L47 = Reaction(847)#
N_ALPHA_L48 = Reaction(848)#
N_D = Reaction(104)#
N_D_2ALPHA = Reaction(114)#
N_D_ALPHA = Reaction(117)#
N_D_CONTINUUM = Reaction(699)#
N_D_HE3 = Reaction(192)#
N_D_L00 = Reaction(650)#
N_D_L01 = Reaction(651)#
N_D_L02 = Reaction(652)#
N_D_L03 = Reaction(653)#
N_D_L04 = Reaction(654)#
N_D_L05 = Reaction(655)#
N_D_L06 = Reaction(656)#
N_D_L07 = Reaction(657)#
N_D_L08 = Reaction(658)#
N_D_L09 = Reaction(659)#
N_D_L10 = Reaction(660)#
N_D_L11 = Reaction(661)#
N_D_L12 = Reaction(662)#
N_D_L13 = Reaction(663)#
N_D_L14 = Reaction(664)#
N_D_L15 = Reaction(665)#
N_D_L16 = Reaction(666)#
N_D_L17 = Reaction(667)#
N_D_L18 = Reaction(668)#
N_D_L19 = Reaction(669)#
N_D_L20 = Reaction(670)#
N_D_L21 = Reaction(671)#
N_D_L22 = Reaction(672)#
N_D_L23 = Reaction(673)#
N_D_L24 = Reaction(674)#
N_D_L25 = Reaction(675)#
N_D_L26 = Reaction(676)#
N_D_L27 = Reaction(677)#
N_D_L28 = Reaction(678)#
N_D_L29 = Reaction(679)#
N_D_L30 = Reaction(680)#
N_D_L31 = Reaction(681)#
N_D_L32 = Reaction(682)#
N_D_L33 = Reaction(683)#
N_D_L34 = Reaction(684)#
N_D_L35 = Reaction(685)#
N_D_L36 = Reaction(686)#
N_D_L37 = Reaction(687)#
N_D_L38 = Reaction(688)#
N_D_L39 = Reaction(689)#
N_D_L40 = Reaction(690)#
N_D_L41 = Reaction(691)#
N_D_L42 = Reaction(692)#
N_D_L43 = Reaction(693)#
N_D_L44 = Reaction(694)#
N_D_L45 = Reaction(695)#
N_D_L46 = Reaction(696)#
N_D_L47 = Reaction(697)#
N_D_L48 = Reaction(698)#
N_D_T = Reaction(182)#
N_HE3 = Reaction(106)#
N_HE3_ALPHA = Reaction(193)#
N_HE3_CONTINUUM = Reaction(799)#
N_HE3_L00 = Reaction(750)#
N_HE3_L01 = Reaction(751)#
N_HE3_L02 = Reaction(752)#
N_HE3_L03 = Reaction(753)#
N_HE3_L04 = Reaction(754)#
N_HE3_L05 = Reaction(755)#
N_HE3_L06 = Reaction(756)#
N_HE3_L07 = Reaction(757)#
N_HE3_L08 = Reaction(758)#
N_HE3_L09 = Reaction(759)#
N_HE3_L10 = Reaction(760)#
N_HE3_L11 = Reaction(761)#
N_HE3_L12 = Reaction(762)#
N_HE3_L13 = Reaction(763)#
N_HE3_L14 = Reaction(764)#
N_HE3_L15 = Reaction(765)#
N_HE3_L16 = Reaction(766)#
N_HE3_L17 = Reaction(767)#
N_HE3_L18 = Reaction(768)#
N_HE3_L19 = Reaction(769)#
N_HE3_L20 = Reaction(770)#
N_HE3_L21 = Reaction(771)#
N_HE3_L22 = Reaction(772)#
N_HE3_L23 = Reaction(773)#
N_HE3_L24 = Reaction(774)#
N_HE3_L25 = Reaction(775)#
N_HE3_L26 = Reaction(776)#
N_HE3_L27 = Reaction(777)#
N_HE3_L28 = Reaction(778)#
N_HE3_L29 = Reaction(779)#
N_HE3_L30 = Reaction(780)#
N_HE3_L31 = Reaction(781)#
N_HE3_L32 = Reaction(782)#
N_HE3_L33 = Reaction(783)#
N_HE3_L34 = Reaction(784)#
N_HE3_L35 = Reaction(785)#
N_HE3_L36 = Reaction(786)#
N_HE3_L37 = Reaction(787)#
N_HE3_L38 = Reaction(788)#
N_HE3_L39 = Reaction(789)#
N_HE3_L40 = Reaction(790)#
N_HE3_L41 = Reaction(791)#
N_HE3_L42 = Reaction(792)#
N_HE3_L43 = Reaction(793)#
N_HE3_L44 = Reaction(794)#
N_HE3_L45 = Reaction(795)#
N_HE3_L46 = Reaction(796)#
N_HE3_L47 = Reaction(797)#
N_HE3_L48 = Reaction(798)#
N_N_2ALPHA = Reaction(29)#
N_N_2P = Reaction(44)#
N_N_3ALPHA = Reaction(23)#
N_N_3P = Reaction(198)#
N_N_ALPHA = Reaction(22)#
N_N_D = Reaction(32)#
N_N_D_2ALPHA = Reaction(35)#
N_N_D_ALPHA = Reaction(158)#
N_N_D_HE3 = Reaction(187)#
N_N_D_T = Reaction(185)#
N_N_HE3 = Reaction(34)#
N_N_P = Reaction(28)#
N_N_P_ALPHA = Reaction(45)#
N_N_P_D = Reaction(183)#
N_N_P_HE3 = Reaction(186)#
N_N_P_T = Reaction(184)#
N_N_T = Reaction(33)#
N_N_T_2ALPHA = Reaction(36)#
N_N_T_ALPHA = Reaction(189)#
N_N_T_HE3 = Reaction(188)#
N_P = Reaction(103)#
N_P_ALPHA = Reaction(112)#
N_P_CONTINUUM = Reaction(649)#
N_P_D = Reaction(115)#
N_P_HE3 = Reaction(191)#
N_P_L00 = Reaction(600)#
N_P_L01 = Reaction(601)#
N_P_L02 = Reaction(602)#
N_P_L03 = Reaction(603)#
N_P_L04 = Reaction(604)#
N_P_L05 = Reaction(605)#
N_P_L06 = Reaction(606)#
N_P_L07 = Reaction(607)#
N_P_L08 = Reaction(608)#
N_P_L09 = Reaction(609)#
N_P_L10 = Reaction(610)#
N_P_L11 = Reaction(611)#
N_P_L12 = Reaction(612)#
N_P_L13 = Reaction(613)#
N_P_L14 = Reaction(614)#
N_P_L15 = Reaction(615)#
N_P_L16 = Reaction(616)#
N_P_L17 = Reaction(617)#
N_P_L18 = Reaction(618)#
N_P_L19 = Reaction(619)#
N_P_L20 = Reaction(620)#
N_P_L21 = Reaction(621)#
N_P_L22 = Reaction(622)#
N_P_L23 = Reaction(623)#
N_P_L24 = Reaction(624)#
N_P_L25 = Reaction(625)#
N_P_L26 = Reaction(626)#
N_P_L27 = Reaction(627)#
N_P_L28 = Reaction(628)#
N_P_L29 = Reaction(629)#
N_P_L30 = Reaction(630)#
N_P_L31 = Reaction(631)#
N_P_L32 = Reaction(632)#
N_P_L33 = Reaction(633)#
N_P_L34 = Reaction(634)#
N_P_L35 = Reaction(635)#
N_P_L36 = Reaction(636)#
N_P_L37 = Reaction(637)#
N_P_L38 = Reaction(638)#
N_P_L39 = Reaction(639)#
N_P_L40 = Reaction(640)#
N_P_L41 = Reaction(641)#
N_P_L42 = Reaction(642)#
N_P_L43 = Reaction(643)#
N_P_L44 = Reaction(644)#
N_P_L45 = Reaction(645)#
N_P_L46 = Reaction(646)#
N_P_L47 = Reaction(647)#
N_P_L48 = Reaction(648)#
N_P_T = Reaction(116)#
N_T = Reaction(105)#
N_T_2ALPHA = Reaction(113)#
N_T_ALPHA = Reaction(155)#
N_T_CONTINUUM = Reaction(749)#
N_T_L00 = Reaction(700)#
N_T_L01 = Reaction(701)#
N_T_L02 = Reaction(702)#
N_T_L03 = Reaction(703)#
N_T_L04 = Reaction(704)#
N_T_L05 = Reaction(705)#
N_T_L06 = Reaction(706)#
N_T_L07 = Reaction(707)#
N_T_L08 = Reaction(708)#
N_T_L09 = Reaction(709)#
N_T_L10 = Reaction(710)#
N_T_L11 = Reaction(711)#
N_T_L12 = Reaction(712)#
N_T_L13 = Reaction(713)#
N_T_L14 = Reaction(714)#
N_T_L15 = Reaction(715)#
N_T_L16 = Reaction(716)#
N_T_L17 = Reaction(717)#
N_T_L18 = Reaction(718)#
N_T_L19 = Reaction(719)#
N_T_L20 = Reaction(720)#
N_T_L21 = Reaction(721)#
N_T_L22 = Reaction(722)#
N_T_L23 = Reaction(723)#
N_T_L24 = Reaction(724)#
N_T_L25 = Reaction(725)#
N_T_L26 = Reaction(726)#
N_T_L27 = Reaction(727)#
N_T_L28 = Reaction(728)#
N_T_L29 = Reaction(729)#
N_T_L30 = Reaction(730)#
N_T_L31 = Reaction(731)#
N_T_L32 = Reaction(732)#
N_T_L33 = Reaction(733)#
N_T_L34 = Reaction(734)#
N_T_L35 = Reaction(735)#
N_T_L36 = Reaction(736)#
N_T_L37 = Reaction(737)#
N_T_L38 = Reaction(738)#
N_T_L39 = Reaction(739)#
N_T_L40 = Reaction(740)#
N_T_L41 = Reaction(741)#
N_T_L42 = Reaction(742)#
N_T_L43 = Reaction(743)#
N_T_L44 = Reaction(744)#
N_T_L45 = Reaction(745)#
N_T_L46 = Reaction(746)#
N_T_L47 = Reaction(747)#
N_T_L48 = Reaction(748)#
PAIR_PRODUCTION_ELECTRON_FIELD = Reaction(515)#
PAIR_PRODUCTION_NUCLEAR_FIELD = Reaction(517)#
PAIR_PRODUCTION_TOTAL = Reaction(516)#
PHOTOEXCITATION = Reaction(523)#
PHOTON_COHERENT_SCATTERING = Reaction(502)#
PHOTON_HEATING = Reaction(442)#
PHOTON_INCOHERENT_SCATTERING = Reaction(504)#
PHOTON_PRODUCTION = Reaction(-5)#
RADIATION_DAMAGE = Reaction(444)#
RADIATION_DAMAGE_DISAPPEARANCE = Reaction(447)#
RADIATION_DAMAGE_ELASTIC = Reaction(445)#
RADIATION_DAMAGE_INELASTIC = Reaction(446)#
RADIOACTIVE_DECAY_DATA = Reaction(457)#
REAL_SCATTERING_FACTOR = Reaction(506)#
RESONANCE_PARAMETERS = Reaction(151)#
SUBSHELL_K = Reaction(534)#
SUBSHELL_L1 = Reaction(535)#
SUBSHELL_L2 = Reaction(536)#
SUBSHELL_L3 = Reaction(537)#
SUBSHELL_M1 = Reaction(538)#
SUBSHELL_M2 = Reaction(539)#
SUBSHELL_M3 = Reaction(540)#
SUBSHELL_M4 = Reaction(541)#
SUBSHELL_M5 = Reaction(542)#
SUBSHELL_N1 = Reaction(543)#
SUBSHELL_N2 = Reaction(544)#
SUBSHELL_N3 = Reaction(545)#
SUBSHELL_N4 = Reaction(546)#
SUBSHELL_N5 = Reaction(547)#
SUBSHELL_N6 = Reaction(548)#
SUBSHELL_N7 = Reaction(549)#
SUBSHELL_O1 = Reaction(550)#
SUBSHELL_O2 = Reaction(551)#
SUBSHELL_O3 = Reaction(552)#
SUBSHELL_O4 = Reaction(553)#
SUBSHELL_O5 = Reaction(554)#
SUBSHELL_O6 = Reaction(555)#
SUBSHELL_O7 = Reaction(556)#
SUBSHELL_O8 = Reaction(557)#
SUBSHELL_O9 = Reaction(558)#
SUBSHELL_P1 = Reaction(559)#
SUBSHELL_P10 = Reaction(568)#
SUBSHELL_P11 = Reaction(569)#
SUBSHELL_P2 = Reaction(560)#
SUBSHELL_P3 = Reaction(561)#
SUBSHELL_P4 = Reaction(562)#
SUBSHELL_P5 = Reaction(563)#
SUBSHELL_P6 = Reaction(564)#
SUBSHELL_P7 = Reaction(565)#
SUBSHELL_P8 = Reaction(566)#
SUBSHELL_P9 = Reaction(567)#
SUBSHELL_Q1 = Reaction(570)#
SUBSHELL_Q2 = Reaction(571)#
SUBSHELL_Q3 = Reaction(572)#
TOTAL = Reaction(1)#
TOTAL_ABSORPTION = Reaction(27)#
TOTAL_ALPHA_PRODUCTION = Reaction(207)#
TOTAL_ANTINEUTRON_PRODUCTION = Reaction(218)#
TOTAL_ANTIPROTON_PRODUCTION = Reaction(217)#
TOTAL_ATOMIC_INTERACTION = Reaction(501)#
TOTAL_CHARGED_PARTICLE_STOPPING_POWER = Reaction(500)#
TOTAL_CONTINUUM = Reaction(10)#
TOTAL_DEUTERON_PRODUCTION = Reaction(204)#
TOTAL_ELECTRO_ATOMIC_SCATTERING = Reaction(526)#
TOTAL_GAMMA_PRODUCTION = Reaction(202)#
TOTAL_HE3_PRODUCTION = Reaction(206)#
TOTAL_KAON_MINUS_PRODUCTION = Reaction(216)#
TOTAL_KAON_PLUS_PRODUCTION = Reaction(213)#
TOTAL_KAON_ZERO_LONG_PRODUCTION = Reaction(214)#
TOTAL_KAON_ZERO_SHORT_PRODUCTION = Reaction(215)#
TOTAL_MCNP = Reaction(-1)#
TOTAL_MU_MINUS_PRODUCTION = Reaction(212)#
TOTAL_MU_PLUS_PRODUCTION = Reaction(211)#
TOTAL_NEUTRON_PRODUCTION = Reaction(201)#
TOTAL_PI_MINUS_PRODUCTION = Reaction(210)#
TOTAL_PI_PLUS_PRODUCTION = Reaction(208)#
TOTAL_PI_ZERO_PRODUCTION = Reaction(209)#
TOTAL_PROTON_PRODUCTION = Reaction(203)#
TOTAL_TRITON_PRODUCTION = Reaction(205)#
WEIGHTING_FLUX = Reaction(300)#
property left#

The left side of this expression.

property node: ListNode#

The syntax node for this reaction expression.

Added in version 1.6.0b3.

property number: int#

The raw ENDF (MT) or special (R) reaction number.

property operator#

The ReactionOperator joining the two sides.

property right#

The right side of this expression.