English

High Resolution Spectroscopy of 12B_Lambda by Electroproduction

Nuclear Experiment 2009-03-19 v1

Abstract

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

Keywords

Cite

@article{arxiv.0705.3332,
  title  = {High Resolution Spectroscopy of 12B_Lambda by Electroproduction},
  author = {M. Iodice and F. Cusanno and A. Acha and P. Ambrozewicz and K. A. Aniol and P. Baturin and P. Y. Bertin and H. Benaoum and K. I. Blomqvist and W. U. Boeglin and H. Breuer and P. Brindza and P. Bydzovsky and A. Camsonne and C. C. Chang and J. -P. Chen and Seonho Choi and E. A. Chudakov and E. Cisbani and S. Colilli and L. Coman and B. J. Craver and G. DeCataldo and C. W. deJager and R. DeLeo and A. P. Deur and C. Ferdi and R. J. Feuerbach and E. Folts and R. Fratoni and S. Frullani and F. Garibaldi and O. Gayou and F. Giulani and J. Gomez and M. Gricia and J. O. Hansen and D. Hayes and D. W. Higinbotham and T. K. Holmstrom and C. E. Hyde and H. F. Ibrahim and X. Jiang and L. J. Kaufman and K. Kino and B. Kross and L. Lagamba and J. J. LeRose and R. A. Lindgren and M. Lucentini and D. J. Margaziotis and P. Markowitz and S. Marrone and Z. E. Meziani and K. McCormick and R. W. Michaels and D. J. Millener and T. Miyoshi and B. Moffit and P. A. Monaghan and M. Moteabbed and C. MunozCamacho and S. Nanda and E. Nappi and V. V. Nelyubin and B. E. Norum and Y. Okasyasu and K. D. Paschke and C. F. Perdrisat and E. Piasetzky and V. A. Punjabi and Y. Qiang and B. Raue and P. E. Reimer and J. Reinhold and B. Reitz and R. E. Roche and V. M. Rodriguez and A. Saha and F. Santavenere and A. J. Sarty and J. Segal and A. Shahinyan and J. Singh and S. Sirca and R. Snyder and P. H. Solvignon and M. Sotona and R. Subedi and V. A. Sulkosky and T. Suzuki and H. Ueno and P. E. Ulmer and G. M. Urciuoli and P. Veneroni and E. Voutier and B. B. Wojtsekhowski and X. Zheng and C. Zorn},
  journal= {arXiv preprint arXiv:0705.3332},
  year   = {2009}
}
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