High-resolution spectroscopy of Lambda16N by electroproduction

An experimental study of the (16)O(e,e'K(+))(Lambda)(16)N 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 energ...

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Published in:Physical review letters 2009-11, Vol.103 (20), p.202501-202501
Main Authors: Cusanno, F, Urciuoli, G M, Acha, A, Ambrozewicz, P, Aniol, K A, Baturin, P, Bertin, P Y, Benaoum, H, Blomqvist, K I, Boeglin, W U, Breuer, H, Brindza, P, Bydzovský, P, Camsonne, A, Chang, C C, Chen, J-P, Choi, Seonho, Chudakov, E A, Cisbani, E, Colilli, S, Coman, L, Craver, B J, De Cataldo, G, de Jager, C W, De Leo, R, Deur, A P, Ferdi, C, Feuerbach, R J, Folts, E, Fratoni, R, Frullani, S, Garibaldi, F, Gayou, O, Giuliani, F, Gomez, J, Gricia, M, Hansen, J O, Hayes, D, Higinbotham, D W, Holmstrom, T K, Hyde, C E, Ibrahim, H F, Iodice, M, Jiang, X, Kaufman, L J, Kino, K, Kross, B, Lagamba, L, LeRose, J J, Lindgren, R A, Lucentini, M, Margaziotis, D J, Markowitz, P, Marrone, S, Meziani, Z E, McCormick, K, Michaels, R W, Millener, D J, Miyoshi, T, Moffit, B, Monaghan, P A, Moteabbed, M, Muñoz Camacho, C, Nanda, S, Nappi, E, Nelyubin, V V, Norum, B E, Okasyasu, Y, Paschke, K D, Perdrisat, C F, Piasetzky, E, Punjabi, V A, Qiang, Y, Raue, B, Reimer, P E, Reinhold, J, Reitz, B, Roche, R E, Rodriguez, V M, Saha, A, Santavenere, F, Sarty, A J, Segal, J, Shahinyan, A, Singh, J, Sirca, S, Snyder, R, Solvignon, P H, Sotona, M, Subedi, R, Sulkosky, V A, Suzuki, T, Ueno, H, Ulmer, P E, Veneroni, P, Voutier, E, Wojtsekhowski, B B, Zheng, X, Zorn, C
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Language:English
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Summary:An experimental study of the (16)O(e,e'K(+))(Lambda)(16)N 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 (Lambda)(16)N with better precision than previous measurements on the mirror hypernucleus (Lambda)(16)O. 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 (15)N core nucleus.
ISSN:1079-7114