Ground-State Decay Evaluated Data

Measured Ground-State Γcm for 11O

Adopted value: 1.30 MeV (2019WE03)
Measured Mass Excess for 11O

Adopted value: 47.65 MeV (From S2p = -4160 keV 2019WE03 and 2017WA10)
Deduced value: 46.70 ± 0.84 MeV (2012CH40)

2019WE03: 11O(2p); measured decay products, Ep, Ip; deduced an invariant-mass spectrum, resonant state widths, two-nucleon density distributions. First observation of unbound 11O.
2020WE08: 9Be(13O, 11O), E = 69.5 MeV/nucleon; measured Ep, Ip, and invariant mass spectrum of 11O fragments from (9C)2p-coin events with two-proton emission from two states in 11O, longitudinal-momentum distributions. 11O; deduced levels, S(2p) for ground state.

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Last modified: 30 June 2021