Ground-State Decay Evaluated Data

Measured Ground-State Γcm(T1/2) for 15Be

Adopted value: 0.58 ± 0.20 MeV (2013SN02)
Measured Mass Excess for 15Be

Adopted value: 49821 ± 100 keV (2013SN02: from Eres(14Be + n) = 1.8 ± 0.1 MeV)

2011SP01: 9Be(17C, 2p); E = 55 MeV/nucleon; measured energy loss, time of flight, magnetic rigidity, Be fragment spectra and (Be)(n)-coin. 15Be; deduced g.s., J, π, decay mode, unbound energy.
2013SN02: 2H(14Be, 15Be); E = 59 MeV/nucleon; measured 14Be, and neutron spectra from decay of 15Be, TOF, production σ, (14Be)n-coin. 15Be; deduced level, J, π, neutron-unbound resonance, width. Shell-model calculations.
2015KU04: 9Be(17C, 15Be); E = 55 MeV/nucleon; measured particle spectra. 15Be; search for predicted unbound 3/2+ level proved inconclusive. In the best fit analysis, 15Be g.s. is unbound with respect to 12Be.
2021CO07: 15Be; analyzed available data; deduced energy, momenta spectra, J, π.

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Last modified: 30 June 2021