2H

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.
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

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Last modified: 12 June 2019