13Be

Ground-State Decay Evaluated Data



Measured Ground-State Γcm(T1/2) for 13Be

Adopted value: 0.5 ± 0.1 ns (2003AU02)
Measured Mass Excess for 13Be

Adopted value: 33250 ± 70 keV (2003AU02)

Measurements
1983AL20: 14C(7Li, 8B), E = 82 MeV; measured σ(E(8B)); deduced evidence for 13Be production.
1983ALZM: 14C(7Li, 8B), E = 82 MeV; measured σ(E(8B)). 13Be deduced mass excess, resonances, Γ.
1992BOZV: 13C(14C, 14O), E = 337.3 MeV; measured spectra. 13Be deduced mass excess, levels, Γ, possible J, π.
1992OS04: 13C(14C, 14O), E = 337 MeV; measured spectra; deduced Q. 13Be deduced mass excess, possible levels, J, π.
1993BOZP: 13C(14C, 14O), E = 337 MeV; measured spectra. 13Be deduced level, Γ, mass excess.
1993BOZT: 13C(14C, 14O), E = 337.3 MeV; measured σ(E(14O)). 13Be deduced resonances, Γ, mass excess.
1993BOZW: 13C(14C, 14O), E = 337 MeV; measured σ. 13Be deduced mass excess.
1994PEZZ: (14C, 14O), 13Be; measured not abstracted; deduced levels, Γ, J.
1995KO10: 2H(12Be, p), E = 55 MeV/nucleon; measured elastic σ(θ). 13Be deduced tentative level scheme.
1995KO27: 2H(12Be, p), E = 55 MeV/nucleon; invariant mass spectra. 13Be deduced possible level schemes.
1995KOZK: 2H(12Be, pX), E = 55 MeV/nucleon; measured proton spectra; deduced invariant mass spectra. 13Be deduced excited states.
1995KOZV: 2H(12Be, p), E = 55 MeV/nucleon; measured proton spectra. 13Be deduced levels.
1995OSZX: (14C, 14O); 13Be deduced resonances.
1995PEZZ: 14C(11B, 12N), E = 190 MeV; measured σ(E, θ). 13Be deduced one-neutron binding energy.
1995THZZ: 9Be(18O, X), E = 80 MeV/nucleon; measured (fragment)n-coin. 13Be deduced neutron decay energies.
1998BE28: 14C(11B, 12N), E = 190 MeV; measured excitation energy spectra. 13Be deduced levels, Q-value, mass excess.
1998GO30: 14C(π-, p), E at rest; measured missing mass spectra. 13Be deduced excited levels, widths.
2001ALZZ: C(14Be, n12BeX), E = 287 MeV/nucleon; measured relative energy, σ(θ). 13Be deduced ground-state configuration.
2001PE27: 14C(11B, 12N), E = 190 MeV; measured particle spectra.
2001TH01: 9Be(18O, X), E = 80 MeV/nucleon; measured n-12Be relative velocity spectra. 13Be deduced low-lying s wave strength.
2003JOZZ: C(14Be, 2n12Be), E = 35 MeV/nucleon; measured En, longitudinal momentum distributions, beryllium-neutron relative energy. 13Be deduced near-threshold continuum features.
2004LE29: C(14B, 13BeX), E = 41 MeV/nucleon; measured neutron spectra, relative energy spectra. 13Be deduced resonance features.
2007SI24: C(14Be, nx), E = 287 MeV/nucleon; measured neutron energies. 13Be deduced resonance parameters.
2008CH07: 9Be(48Ca, X), E = 60 MeV/nucleon; measured neutron decay energy spectra, (fragment)(neutron)-coin. 13Be observed unbound states.
2010KO17: 1H(14Be, X)13Be, E = 69 MeV/nucleon; measured reaction fragments; deduced σ, σ(E), p- and d-wave resonance energies and widths, J, π.
2013AK02: 1H(14Be, n), E = 68, 304 MeV/nucleon; analyzed relative energy spectra in 12Be + n system, σ, resonance energies and widths. 13Be; deduced levels, resonances, J, π, widths, energies of S-matrix poles.
2014RA07: 12C(14B, 13Be), (15B, 13Be), E = 35 MeV/nucleon; measured reaction products, (12Be)n-, (fragment)γ-coin, Iγ; reconstructed 12Be + n. 13Be; deduced levels, J, π, resonances, width.
2015MA62: 9Be(13B, 13Be), E = 71 MeV/nucleon; measured E(n), I(n) from the decay of 13Be into 12B + n. 13Be; deduced levels, resonances, J, π, widths.
2015RI03: 1H(14B, 2p)13Be, E not given; measured reaction products, En, In.
2016KO22: 14C(π-, p), E = low; measured Ep, Ip(θ); deduced missing mass spectra, existence of highly excited states in 13Be at E* about 30 MeV, indications for rare decays 13Be(d).

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Last modified: 22 May 2018