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26 April 2024 |
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High Resolution Hypernuclear Spectroscopy at Jefferson Lab Hall A | | F. Garibaldi
; P. Bydzovsky
; E. Cisbani
; | | Date: |
4 Dec 2012 | | Abstract: | The characteristics of the Jefferson Lab electron beam, together with those
of the experimental equipment, offer a unique opportunity to study hypernuclear
spectroscopy via electromagnetic induced reactions. Experiment 94-107 started a
systematic study on 1p-shell targets, $^{12}C$, $^{9}Be$ and $^{16}O$. For
$^{12}C$ for the first time measurable strength in the core-excited part of the
spectrum between the ground state and the p state was shown in
$^{12}_{Lambda}B$ spectrum. A high-quality $^{16}_{Lambda}N$ spectrum was
produced for the first time with sub-MeV energy resolution. A very precise
$Lambda$ binding energy value for $^{16}_{Lambda}N$, calibrated against the
elementary $(e,e’K^+)$ reaction on hydrogen, has also been obtained.
$^{9}_{Lambda}Li$ spectrum shows some disagreement in strength for the second
and third doublet with respect to the theory. | | Source: | arXiv, 1212.0783 | | Services: | Forum | Review | PDF | Favorites | |
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