Thermal Neutron Capture Evaluated Data
Measurements
- Thermal Neutron Capture
- 1965CO17:
1H(n, γ), E = thermal; measured
σ.
- 1973COWZ:
1H(n, γ); measured σ.
- 1977CO06:
1H(n, γ), E = 0.0253 eV; measured
σ.
- 1978VYZY:
1H(n, γ); measured σ.
2H deduced binding energy. Ge(Li) detectors.
- 1980GR02:
1H(n, γ), E = thermal; measured
Eγ; deduced Q, neutron mass.
2H deduced neutron binding energy.
- 1980IS02:
1H(n, γ), E = thermal; measured
Eγ, Iγ.
2H deduced Q, neutron binding energy.
- 1982VA13:
1H(n, γ), E = thermal; measured
Eγ; deduced neutron, proton atomic mass difference,
Q-values for 1H(n, γ) reaction. 2H
deduced binding energy.
- 1986GR01:
1H(n, γ), E = thermal; measured capture
γ spectra; deduced neutron mass, n-hydrogen mass difference.
2H deduced binding energy.
- 1999KE05:
1H(n, γ), E = reactor; measured
Eγ, Iγ.
2H deduced binding energy. 1n deduced mass.
Crystal diffraction spectrometer.
- 1999KO23:
1H(n, γ), E not given; analyzed data;
deduced Doppler effects in deuteron binding energy uncertainty.
- 1999ZHZM, 2000ZHZP:
1H(n, γ), E = thermal; compiled,
evaluated prompt γ-ray data.
- 2000DE25:
1H(n, γ), E = reactor; measured
Eγ, Iγ.
2H deduced binding energies. Crystal diffraction method.
- 2000MU04:
1H(pol. n, γ), E = low; measured
Eγ,
Iγ(θ),
γ-anisotropy. Polarized target.
- 2001AC04:
1H(n, γ), E = low; measured
Eγ, Iγ;
deduced k0 factors.
- 2002RE13:
1H(n, γ), E = thermal; compiled, analyzed prompt
Eγ, Iγ.
- 2003MO03:
1H(n, γ), E = low; analyzed
γ-ray Doppler broadening, contribution from zero-point
motion of hydrogen atom.
- 2003MOZU:
1H(n, γ), E = thermal; compiled, analyzed
k0 factors. 1H(n, γ), compiled, analyzed
capture σ, neutron binding energies.
- 2004MA76:
1H(n, γ), E = thermal; analyzed data; deduced
k0 factors, γ-emission probabilities.
- 2008FIZZ:
1H(n, γ), E = thermal; measured cross sections; deduced cross section balance.
- 2011SL01:
1H(n, γ), E = thermal; compiled, evaluated σ, σ(Eγ), γ decay schemes, levels, J, π using ENDF, DICEBOX.
- 2016FI04:
1H(n, γ), E = thermal; measured Eγ, Iγ, σγ.
- Thermal Neutron Capture with Discussion of Parity Violation or CP or Symmetries
- 1972LO21:
1H(n, γ), E = thermal; measured
γ-circular polarization.
- 1975LA01:
1H(n, γ), E = thermal; measured
CP(γ).
- 1977KO37:
1H(pol. n, γ), E = thermal; measured
CP(γ); deduced triplet-state contribution.
- 1980VEZT:
1H(pol. n, γ), E = thermal;
measured γ CP. 2H deduced triplet
admixture in capturing state.
- 1981VE01:
1H(pol. n, γ), E = thermal; measured
CP for γ-rays. 2H deduced triplet admixture
in capturing state.
- 1983KN09:
1H(n, γ), E = thermal; measured
radiative capture γ CP upper limit.
- 1984KN01:
1H(n, γ), E = thermal; measured
γ CP.
- 1984KNZU:
1H(n, γ), E = thermal; measured
γ CP; deduced parity violating effect.
- 1985DO02:
1H(pol. n, γ), E = thermal; analyzed
γ asymmetry data. 1H(n, γ), E = thermal;
analyzed γ CP; deduced parity violating weak neutral
currect contribution, parameters.
- 1988AL29:
1H(pol. n, γ), E = slow; compiled asymmetry data;
deduced parity violation information.
- 1990BU20:
1H(pol. n, γ), E = thermal; calculated
γ CP.
- 1994KI27:
1H(n, γ), E = thermal; analyzed γ-spectra analysis associated reference index; deduced methodological devation related features for peak position approach to detector energy calibration.
- 1994KR20:
1H(pol. n, γ), E = thermal, resonance;
compiled, reviewed parity violation data, analyses; deduced dominant mechanism.
- 2011GE01:
1H(pol. n, γ), E = 2 - 15 meV;
measured Eγ, Iγ, time-of-flight, photon circular polarization; deduced parity-violating up-down asymmetry Aγ asymmetry, and upper limit for the parity-allowed (PA) left-right asymmetry.
- 2018BL05: 1H(pol. n, γ), E cold; measured Eγ, Iγ; deduced parity-violating γ-ray asymmetry.
Lessons in γ-Ray Scattering and Shielding
- 1972AD15:
1H(n, γ), E = thermal; calculated
σ.
- 1972OP01:
1H(n, γ), E = thermal; measured
Eγ, Iγ.
Ge(Li), NaI detectors.
- 1973AR12:
1H(n, γ), E = thermal; measured
γγ-coin. Deduced
capture σ.
- 1975AL22:
1H(n, γ); analyzed
γγ-coin data;
deduced branching ratio error due to cross-talk effect between detectors.
- 1975DR03:
1H(n, γ), E = subthermal; measured
γγ-coin,
σ(Eγ).
2H deduced γ-branching ratios.
- 1975EA04:
1H(n, γ), E = thermal; measured
upper limit for branching ratio of two-photon decay.
- 1975WU02:
1H(n, γ), E = thermal; measured
γγ-coin,
σ(Eγ).
2H level deduced γ-branching.
- 1976EA04:
1H(n, γ), E = thermal; measured
σ(2γ). Ge(Li) detectors.
- 1976LE24:
1H(n, γ), E = thermal; calculated
σ(2γ).
- 1978EAZV:
1H(n, γ), E = thermal; measured
γγ-coin; deduced upper limit
for 2-photon σ.
- 1978EAZW:
1H(n, γ); measured σ;
deduced upper limit for double-photon branching ratio.
- 1978GRZN:
1H(n, γ), E = thermal; measured
Eγ. 2H deduced B(n).
- 1978GRZT:
1H(n, γ), E = thermal; measured
Eγ. 2H deduced neutron binding energy.
- 1979EAZY, 1979EAZZ: 1H(n, γγ); measured γγ-coin, σ upper limit.
- 2015BO13: 1H(n, γ), E = 25 - 125 keV; measured reaction products, Eγ, Iγ; deduced σ upper limit of the singlet deuteron production, scattering lengths.
- 2019BE15:
1H(n, γ), E=slow; measured Eγ, Iγ; deduced σ upper limit for singlet deuteron production; deduced no evidence for the two-photon transition in the np capture with one of γ rays in the 2100-2210 keV region, and upper limit for the cross section of the singlet deuteron production. Comparison with theoretical predictions.
- 2020AN11:
1H(n, γ), E=thermal; measured Eγ, Iγ, and γγ-coin from calibration source and neutron captures; deduced neutron detection efficiency, neutron capture time constant and thermal neutron-proton capture cross section.
- Measured total cross section for 1H(n, γ)2H
-
| Recommended value: |
332.6 ± 0.7 mb |
(2003MUZZ) |
| Measured values: |
used as standard |
(EGAF) |
|
332.6 ± 0.7 mb |
(2003MUZZ) |
Recommended Values taken from the Evaluated Gamma-ray
Activation File (EGAF) evaluation
| Eγ (keV) |
Ei (keV) |
Ef (keV) |
σγ |
Iγ a |
| 2223.24835 ± 0.00009 |
Capture State |
0 |
0.3326 ± 0.0007 |
100 |
|
a) Iγ:
Intensity per 100 neutron captures. |
Branching Ratios deduced from Thermal Neutron Capture γ-decay (EGAF)
| Eγ (keV) |
Ei (keV) |
Ef (keV) |
Branching Ratio (%) |
| 2223.24835 ± 0.00009 |
Capture State |
0 |
100 |
Back to Top
Back to Thermal Neutron Capture Evaluated
Data Main Page
Back to Datacomp Home
Page
Last modified: 22 June 2021
