High Resolution Spectroscopy of 16N_Lambda by Electroproduction

Abstract : An experimental study of the 16O(e,e'K^+)16N_Lambda reaction has been performed at Jefferson Lab. A thin film of falling water was used as a target. This permitted a simultaneous measurement of the p(e,e'K^+)Lambda,Sigma_0 exclusive reactions and a precise calibration of the energy scale. A ground-state binding energy of 13.76 +/- 0.16 MeV was obtained for 16N_Lambda with better precision than previous measurements on the mirror hypernucleus 16O_Lambda. Precise energies have been determined for peaks arising from a Lambda in s and p orbits coupled to the p_{1/2} and p_{3/2} hole states of the 15N core nucleus.
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Submitted on : Wednesday, October 22, 2008 - 9:48:08 AM
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F. Cusanno, G. M. Urciuoli, A. Acha, P. Ambrozewicz, K. A. Aniol, et al.. High Resolution Spectroscopy of 16N_Lambda by Electroproduction. Physical Review Letters, American Physical Society, 2008, 103, pp.202501. ⟨10.1103/PhysRevLett.103.202501⟩. ⟨in2p3-00332907⟩

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