3H

Thermal Neutron Capture Evaluated Data



Measurements
1969PR06: 2H(n, γ), E = thermal; measured Eγ; deduced Q.
1975SM02: 2H(n, γ), measured 3H atomic mass.
1977MC05: 2H(n, γ), E = thermal; measured σ(Eγ); deduced upper limit for σ(2γ).
1979WU05: 2H(n, γ), E = thermal; measured σ for double-photon emission, σγ.
1980AL31: 2H(n, γ), E = thermal; measured σ. Ge(Li) spectrometer.
1980ALZH: 2H(n, γ), E = thermal; measured σ. Ge(Li) spectrometer, tof.
1980ALZZ: 2H(n, γ), E = thermal; measured σ. Three-body model, Faddeev calculations.
1982JU01: 2H(n, γ), E = thermal; measured Eγ, Iγ, σ.
1985DO02: 2H(pol. n, γ), E = thermal; analyzed γ asymmetry data.
1986AV04: 2H(pol. n, γ), E = thermal; measured Eγ, Iγ, γ(θ), asymmetry.
1988KO07: 2H(pol. n, γ), E = thermal; measured γ CP; deduced meson exchange current role.
1994KR20: 2H(pol. n, γ), E = thermal, resonance; compiled, reviewed parity violation data, analyses; deduced dominant mechanism.
1999ZHZM, 2000ZHZP: 2H(n, γ), E = thermal; compiled, evaluated prompt γ-ray data.
2002RE13: 2H(n, γ), E = thermal; compiled, analyzed prompt Eγ, Iγ.
2003MOZU: 2H(n, γ), compiled, analyzed capture σ, neutron binding energies.
2008FIZZ: 2H(n, γ), E = thermal; measured cross sections; deduced cross section balance.
2011SL01: 2H(n, γ), E = thermal; compiled, evaluated σ, σ(Eγ), γ decay schemes, levels, J, π using ENDF, DICEBOX.
2016FI04: 2H(n, γ), E = thermal; measured Eγ, Iγ, total radiative neutron capture cross sections.
Measured total cross section for 2H(n, γ)3H

Recommended value: 0.508 ± 0.015 mb (2006MUZX)
Measured values: 0.492 ± 0.025 mb (EGAF)
0.549 ± 0.010 mb (2011FI11)
0.508 ± 0.015 mb (2006MUZX)
0.519 ± 0.007 mb (2003MUZZ, 1981MUZQ)
0.508 ± 0.015 mb (1982JU01)
0.476 ± 0.020 mb (1980AL31)
0.487 ± 0.024 mb (1979ALZL)
0.55 ± 0.01 mb (1973IS08)
0.523 ± 0.029 mb (1969SI1F: M.G. Silk and B.O. Wade, J. Nucl. Energy 23 (1969) 625)
0.521 ± 0.009 mb (1968ME26)
0.57 ± 0.01 mb (1952KA47)

Recommended Values

taken from the Evaluated Gamma-ray Activation File (EGAF) evaluation

 

Eγ (keV) Ei (keV) Ef (keV) σγ Iγ a
6250.243 ± 0.003 Capture State 0 (5.19 ± 0.07) x 10 -4 100
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 (%)
6250.243 ± 0.003 Capture State 0 100

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Last modified: 12 June 2019