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Observation of the (Λ)(7)He hypernucleus by the (e, e'K+) reaction.
- Source :
-
Physical review letters [Phys Rev Lett] 2013 Jan 04; Vol. 110 (1), pp. 012502. Date of Electronic Publication: 2013 Jan 02. - Publication Year :
- 2013
-
Abstract
- An experiment with a newly developed high-resolution kaon spectrometer and a scattered electron spectrometer with a novel configuration was performed in Hall C at Jefferson Lab. The ground state of a neutron-rich hypernucleus, (Λ)(7)He, was observed for the first time with the (e, e'K+) reaction with an energy resolution of ~0.6 MeV. This resolution is the best reported to date for hypernuclear reaction spectroscopy. The (Λ)(7)He binding energy supplies the last missing information of the A = 7, T = 1 hypernuclear isotriplet, providing a new input for the charge symmetry breaking effect of the ΛN potential.
Details
- Language :
- English
- ISSN :
- 1079-7114
- Volume :
- 110
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 23383783
- Full Text :
- https://doi.org/10.1103/PhysRevLett.110.012502