4H

Ground-State Decay Evaluated Data



Measured Ground-State Γcm(T1/2) for 4H

Adopted value: 139 ± 10 ys (2003AU02)
Measured Mass Excess for 4H

Adopted value: 25900 ± 100 keV (2003AU02)

Measurements
1960SE09: 4H; measured not abstracted; deduced nuclear properties.
1963AR06: 4H; measured not abstracted; deduced nuclear properties.
1963SP05: 4H; measured not abstracted; deduced nuclear properties.
1963WE10: 4H; measured not abstracted; deduced nuclear properties.
1964RO08: 4H; measured not abstracted; deduced nuclear properties.
1965JA05: 4H; measured not abstracted; deduced nuclear properties.
1967JA07: 4H; measured not abstracted; deduced nuclear properties.
1967JA09: 4H; measured not abstracted; deduced nuclear properties.
1967ME07: 4He(n, p) E = 152 MeV; measured proton spectra. 4H deduced possible unbound level.
1968ZI05: 4H; measured not abstracted; deduced nuclear properties.
1969MI10: 6, 7Li(π-, X) E not given; measured σ(Ed, Et, Eα, θ); deduced Q, 4H production. 4H deduced levels, level-width.
1970BI11: 4He(π-, γ), E ≈ 0; measured σ(Eγ); deduced capture rate. 4H deduced resonance.
1972BI09: 4He(π-, γ), E = 80 MeV; measured σ(Eγ), capture rate. 4H deduced collective excitations.
1973FI04: 4H; compiled levels, reaction Q-values, J, π, T.
1977WE03: 6Li(6Li, 8B) E = 80.0, 93.3 MeV; measured σ(θ). 4H deduced structure parameters.
1979ME13: 7Li(π-, t), (π-, 2t), E = 0; measured Et energy loss coin. 4H deduced level, Γ, branching ratio.
1980GOZS: 7Li(3He, 3He3He), E = 120 MeV; measured (particle)(particle)-coin, missing mass spectrum.
1980SE08: 7Li(π-, nt), E at rest; measured tt-coin. 4H deduced possible resonance.
1982AL08: 6Li(6Li, 8B), E = 72 MeV.
1983HE17: 6, 7Li, 12C, 59Co, 197Au(π-, nt); measured (particle)(particle)-coin, σ(E1, E2, θ).
1984FRZY: 7Li(3He, 23He), E = 120 MeV; measured missing mass difference spectra.
1985DO19: 6Li(π-, 2p), (π-, nt), E at rest; measured (particle)(particle)-coin
1985FR01: 7Li(3He, 23He), E = 120 MeV; measured σ(E1, E2, θ1, θ2); deduced residuals missing mass spectra.
1986BE35: 9Be(11B, 16O), E = 54 - 80 MeV; measured σ(E(16O)). 4H deduced levels, Γ.
1986BE44: 9Be(11B, 16O), E = 88 MeV; measured product spectra. 4H deduced unbound levels, T1/2, Γ.
1986BEZB: 9Be(11B, 16O), E = 88 MeV; measured σ(E(16O)). 4H deduced decay Γ.
1986MI11: 6, 7Li(n, αX), E = 14.6 MeV; measured αX-coin. 4H deduced level.
1986MI14, 1986MIZP: 7Li(n, α), E = 14.6 MeV; measured α(residue)-coin. 4H deduced resonance, reduced width.
1987BO40: 9Be(11B, 16O), Ecm = 39.6 MeV.
1987BRZU: 1H(α, p3He), E = 171 MeV; analyzed data. 4H deduced resonances, J, π.
1987GOZN: 9Be(π-, 2t), (π-, dt), (π-, pt), E at rest; measured tt-, dt-, pt-correlations. 4H deduced mass defect, decay width.
1988GRZR: 3H(d, pt), E = 13.6 MeV; measured σ(Ep, θ(p), θ(t)). 4H deduced resonances, Γ.
1989BLZQ: 2H(t, pt), E = 35.5 MeV; measured pt-coin. 4H deduced possible state.
1991BL05: 2H(t, pt), E = 35.5 MeV; measured σ(θ1, θ2, E2). 4H deduced ground state parameters.
1991GO19: 9Be(π-, X), E at rest; measured missing mass spectra for X = p, d, t, 3, 4He. 4H deduced levels, Γ, branching ratio.
1994KO33: 3H(d, 2d), E = 47.3 MeV; 3H(d, pt), E = 47.3 MeV; measured dd-, pt-coin. 4H deduced resonance parameters.
1995AL31: 2H(6He, α), E = 19.3 MeV; 6Li(6Li, 8B), E = 85, 93 MeV. 4H deduced resonances, possible J, π, configuration, mass defect.
1995ALZU: 2H(6He, α), E = 21 MeV; measured Eα, Iα. 4H deduced resonances. 6Li(6Li, 8B), E = 93 MeV; measured σ(E(8B)). 4H deduced mass.
1995ALZV: 2H(6He, α), E = 20.8 MeV; measured σ(Eα). 4H deduced levels, mass excess.
1995ALZW: 6Li(6Li, 8B), E = 85, 93 MeV. 4H deduced mass excess.
1995CH69: 9Be(d, 7Be), E = 48.3 MeV. 4H deduced possible levels.
2002OG12: 2H(t, p), 3H(t, d), E = 57.5 MeV. 4H deduced resonance features.
2002TEZZ: 2H(t, pt), 3H(t, d), (t, p), E = 57.5 MeV. 4H deduced resonance energy, width.
2003ME11: C(6He, nt), (6He, 2nt), E = 240 MeV/nucleon. 4H deduced resonance features.
2003SI15: 2H(t, p), E = 58 MeV. 4H deduced resonance energies, widths.
2003TE06: 2H(t, p), E = 57.5 MeV; measured missing mass spectra. 4H deduced resonance states energies, widths.
2003TE16: 2H(t, p), E = 57.5 MeV. 4H deduced resonance energies, widths.
2004CH16: C(6He, nt), (6He, 2nt), E = 240 MeV/nucleon. 4H deduced resonance features.
2004SI25: 2H(t, p), 3H(t, d), E = 58 MeV. 4H deduced resonance parameters.
2004WO10: C(6He, X), E=240 MeV/nucleon; 2H(t, p). 4H deduced resonance features.
2005GU17: 9Be(π-, ptX), (π-, dtX), (π-, 2tX), 12C(π-, ptX), (π-, dtX), (π-, 2dX), E at rest. 4H deduced excited states energies, widths.
2009GU03: 10,11B(π-, X)4H/5H, E not given; measured particle, missing-mass spectra; Observed resonance states; deduced resonance parameters.
2009GU17: 12C(π-, t), (π-, d), (π-, 3He), (π-, pd), (π-, 2d), (π-, 2t), E at rest; measured missing-mass spectra; deduced level structures in 4H.
2010BE13: 3H(d, p), E =36.9 MeV; measured proton spectrum; deduced σ(θ), σ(θ, E).
2016GU21: 4H deduced resonances, resonance parameters.

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Last modified: 22 May 2018