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Title: FY14 Annual Report

The neutrinos and neutrons emitted in nuclear β decay can be precisely studied using radioactive ions held in a radiofrequency-quadrupole ion trap. The momentum and energy of particles that would otherwise be difficult (or even impossible) to detect can be reconstructed from the momentum imparted to the recoiling nucleus. The β-delayed neutron emission for isotopes of interest for r-process nucleosynthesis is being studied. Measurements of β-decay angular correlations, which are sensitive to exotic particles and other phenomena beyond the Standard Model, can be improved by reconstructing the complete decay kinematics of the mirror 8Li and 8B β± decays. This research is well aligned with the Nuclear Science Advisory Committee Long Range Plan under NSAC Performance Evaluation Milestones: (1) NA6, part of which is to measure decay properties of selected neutron-rich nuclei in the r-process, and (2) FI4, to improve measurements of nuclear β decay to constrain physics beyond the Standard Model.
Authors:
 [1] ;  [1] ;  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
OSTI Identifier:
1169827
Report Number(s):
LLNL-TR--660202
DOE Contract Number:
AC52-07NA27344
Resource Type:
Technical Report
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS