High resolution spectroscopy of the B-12(Lambda) hypernucleus produced by the (e, e-prime K+) reaction

Miyoshi, Toshinobu; Sarsour, Murad; Yuan, Lulin; Ahmidouch, Abdellah; Ambrozewicz, Pawel; Androic, Darko; Angelescu, Tatiana; Asaturyan, Razmik; Avery, Steven; Baker, O; Bertovic, I; Breuer, Herbert; Carlini, Roger; Cha, Jinseok; Chrien, Robert; Christy, Michael; Cole, Leon; Danagoulian, Samuel; Dehnhard, Dietrich; Elaasar, Mostafa; Empl, A; Ent, Rolf; Fenker, Howard; Fujii, Yu; Furic, Miroslav; Gan, Liping; Garrow, Kenneth; Gasparian, Ashot; Gueye, Paul; Harvey, Mark; Hashimoto, Osamu; Hinton, Wendy; Hu, Bitao; Hungerford, Ed; Jackson, Caesar; Johnston, Kathleen; Juengst, Henry; Keppel, Cynthia; Lan, Kejian; Liang, Yongguang; LIKHACHEV, V; Likhachev, V; Liu, Jinghua; Mack, David; Margaryan, Amur; Markowitz, Pete; Martoff, Charles; Mkrtchyan, Hamlet; Nakamura, Satoshi; Petkovic, Tomislav; Reinhold, Joerg; Roche, Julie; Sato, Yoshinori; Sawafta, Reyad; Simicevic, Neven; Smith, Gregory; Stepanyan, Samuel; Tadevosyan, Vardan; Takahashi, Toshiyuki; Tanidam, K; Tang, Liguang; Ukai, Mifuyu; Uzzle, Alicia; Vulcan, William; Wells, Steven; Wood, Stephen; Xu, Guanghua; Yamaguchi, Hiroshi; Yan, Chen

doi:10.1103/PhysRevLett.90.232502

Title: High resolution spectroscopy of the B-12(Lambda) hypernucleus produced by the (e, e-prime K+) reaction

Journal Article · Sun Jun 01 00:00:00 EDT 2003 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.90.232502· OSTI ID:955187

Miyoshi, Toshinobu; Sarsour, Murad; Yuan, Lulin; Ahmidouch, Abdellah; Ambrozewicz, Pawel; Androic, Darko; Angelescu, Tatiana; Asaturyan, Razmik; Avery, Steven; Baker, O; Bertovic, I; Breuer, Herbert; Carlini, Roger; Cha, Jinseok; Chrien, Robert; Christy, Michael; Cole, Leon; Danagoulian, Samuel; Dehnhard, Dietrich; Elaasar, Mostafa more »

High energy CW electron beams at new accelerator facilities allow electromagnetic production and precision study of hypernuclear structure, and we report here on the first experiment demonstrating the usefulness of the (e,e'K+) reaction. This experiment is also the first to take advantage of the enhanced virtual photon flux available when electrons are scattered at approximately zero degrees. The observed resolution, ~900 keV, of the 12B(hypernuclear) spectrum is the best yet attained using magnetic spectrometers. The positions of the major excitations are in agreement with theoretical predictions and the previous binding energy measurements.

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Research Organization:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-84ER40150

OSTI ID:: 955187

Report Number(s):: JLAB-PHY-02-127; nucl-ex/0211006; DOE/ER/40150-3072; PRLTAO; TRN: US1004635

Journal Information:: Physical Review Letters, Vol. 90; ISSN 0031-9007

Country of Publication:: United States

Language:: English

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