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. 2007 Aug 3;99(5):052501.
doi: 10.1103/PhysRevLett.99.052501. Epub 2007 Aug 1.

High resolution spectroscopy of (lambda)(12)B by electroproduction

M Iodice  1 , F Cusanno, A Acha, P Ambrozewicz, K A Aniol, P Baturin, P Y Bertin, H Benaoum, K I Blomqvist, W U Boeglin, H Breuer, P Brindza, P Bydzovský, A Camsonne, C C Chang, J-P Chen, Seonho Choi, E A Chudakov, E Cisbani, S Colilli, L Coman, B J Craver, G De Cataldo, C W de Jager, R De Leo, A P Deur, C Ferdi, R J Feuerbach, E Folts, R Fratoni, S Frullani, F Garibaldi, O Gayou, F Giulani, J Gomez, M Gricia, J O Hansen, D Hayes, D W Higinbotham, T K Holmstrom, C E Hyde, H F Ibrahim, X Jiang, L J Kaufman, K Kino, B Kross, L Lagamba, J J LeRose, R A Lindgren, M Lucentini, D J Margaziotis, P Markowitz, S Marrone, Z E Meziani, K McCormick, R W Michaels, D J Millener, T Miyoshi, B Moffit, P A Monaghan, M Moteabbed, C Muñoz Camacho, S Nanda, E Nappi, V V Nelyubin, B E Norum, Y Okasyasu, K D Paschke, C F Perdrisat, E Piasetzky, V A Punjabi, Y Qiang, B Raue, P E Reimer, J Reinhold, B Reitz, R E Roche, V M Rodriguez, A Saha, F Santavenere, A J Sarty, J Segal, A Shahinyan, J Singh, S Sirca, R Snyder, P H Solvignon, M Sotona, R Subedi, V A Sulkosky, T Suzuki, H Ueno, P E Ulmer, G M Urciuoli, P Veneroni, E Voutier, B B Wojtsekhowski, Y Ye, X Zheng, S Zhou, C Zorn; Jefferson Lab Hall A Collaboration
Affiliations

High resolution spectroscopy of (lambda)(12)B by electroproduction

M Iodice et al. Phys Rev Lett. .

Abstract

An experiment measuring electroproduction of hypernuclei has been performed in hall A at Jefferson Lab on a 12C target. In order to increase counting rates and provide unambiguous kaon identification two superconducting septum magnets and a ring imaging Cherenkov detector were added to the hall A standard equipment. An unprecedented energy resolution of less than 700 keV FWHM has been achieved. Thus, the observed (Lambda)(12)B spectrum shows for the first time identifiable strength in the core-excited region between the ground-state s-wave Lambda peak and the 11 MeV p-wave Lambda peak.

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