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19 April 2024 |
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High resolution spectroscopy of the 12Lambda B hypernucleus produced by the (e,e'K+) reaction | | T Miyoshi
; M Sarsour
; L Yuan
; X Zhu
; A Ahmidouch
; P Ambrozewicz
; D Androic
; T Angelescu
; R Asaturyan
; S Avery
; O K Baker
; I Bertovic
; H Breuer
; R Carlini
; J Cha
; R Chrien
; M Christy
; L Cole
; S Danagoulian
; D Dehnhard
; M Elaasar
; A Empl
; R Ent
; H Fenker
; Y Fujii
; M Furic
; L Gan
; K Garrow
; A Gasparian
; P Gueye
; M Harvey
; O Hashimoto
; W Hinton
; B Hu
; E Hungerford
; C Jackson
; K Johnston
; H Juengst
; C Keppel
; K Lan
; Y Liang
; V P Likhachev
; J H Liu
; D Mack
; A Margaryan
; P Markowitz
; J Martoff
; H Mkrtchyan
; S N Nakamura
; T Petkovic
; J Reinhold
; J Roche
; Y Sato
; R Sawafta
; N Simicevic
; G Smith
; S Stepanyan
; V Tadevosyan
; T Takahashi
; K Tanida
; L Tang
; M Ukai
; A Uzzle
; W Vulcan
; S Wells
; S Wood
; G Xu
; H Yamaguchi
; C Yan
;
; | | Date: |
13 Jun 2003 | | Journal: | Phys Rev Lett, 90 (23), 232502 | | Abstract: | 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 potential of the (e,e’K+) reaction for hypernuclear spectroscopy. 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 energy resolution was found to be approximately 900 keV for the (12)(Lambda)B spectrum, and is substantially better than any previous hypernuclear experiment using magnetic spectrometers. The positions of the major excitations are found to be in agreement with a theoretical prediction and with a previous binding energy measurement, but additional structure is also observed in the core excited region, underlining the future promise of this technique. | | Source: | PubMed, pmid12857252 | | Services: | Forum | Review | Favorites | |
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