AI Article Synopsis
- Neutron time-of-flight spectra from tritium-filled inertial confinement fusion experiments at the National Ignition Facility show improved energy resolution and demonstrate the first clear peak from the decay of (5)He at low reaction energies (E(c.m.) < 100 keV).
- An R-matrix model has been developed to interpret these spectra, taking into account interference effects from fermion symmetry and intermediate states, which were found to be significant.
- The findings suggest that the spectrum can be explained by sequential decay through ℓ=1 states in (5)He, providing a new perspective that challenges previous interpretations.
Article Abstract
Neutron time-of-flight spectra from inertial confinement fusion experiments with tritium-filled targets have been measured at the National Ignition Facility. These spectra represent a significant improvement in energy resolution and statistics over previous measurements, and afford the first definitive observation of a peak resulting from sequential decay through the ground state of (5)He at low reaction energies E(c.m.) 100
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| http://dx.doi.org/10.1103/PhysRevLett.111.052501 | DOI Listing |
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