First Experiment on Spectroscopy of Lambda-Hypernuclei by Electroproduction at Jlab

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The first experiment in Lambda-hypernuclear spectroscopy using the high precision electron beam at Jefferson laboratory (Jlab) has been carried out. The hypernuclear spectrometer system (HNSS) was used to measure spectra from the {sup 12}C(e, e{prime}K{sup +}){sup 12}{sub {Lambda}}B reaction with sub-1 MeV resolution, the best energy resolution obtained thus far in hypernuclear spectroscopy with magnetic spectrometers. This paper describes the HNSS and the preliminary results for the {sup 12}{sub {Lambda}}B system. The experimental spectrum is consistent with the expected strong spin-flip excitations of unnatural parity states. A program of hypernuclear physics experiments is planned for the future with much higher ... continued below

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752 Kilobytes pages

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L. Tang, et. Al. July 1, 2001.

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The first experiment in Lambda-hypernuclear spectroscopy using the high precision electron beam at Jefferson laboratory (Jlab) has been carried out. The hypernuclear spectrometer system (HNSS) was used to measure spectra from the {sup 12}C(e, e{prime}K{sup +}){sup 12}{sub {Lambda}}B reaction with sub-1 MeV resolution, the best energy resolution obtained thus far in hypernuclear spectroscopy with magnetic spectrometers. This paper describes the HNSS and the preliminary results for the {sup 12}{sub {Lambda}}B system. The experimental spectrum is consistent with the expected strong spin-flip excitations of unnatural parity states. A program of hypernuclear physics experiments is planned for the future with much higher yield and even better energy resolution.

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752 Kilobytes pages

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  • 8th International Conference on Mesons and Light Nuclei, Prague (CZ), 07/2001

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  • Report No.: JLAB-PHY-01-18
  • Report No.: DOE/ER/40150-1891
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 783699
  • Archival Resource Key: ark:/67531/metadc718995

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  • July 1, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • Feb. 5, 2016, 8:06 p.m.

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L. Tang, et. Al. First Experiment on Spectroscopy of Lambda-Hypernuclei by Electroproduction at Jlab, article, July 1, 2001; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc718995/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.