Electroproduction of kaons and light hypernuclei

J. Reinhold, D. Abbott, A. Ahmidouch, P. Ambrozewicz, C. S. Armstrong, J. Arrington, R. Asaturyan, K. Assamagan, S. Avery, K. Bailey, O. K. Baker, S. Beedoe, H. Bitao, W. Boeglin, H. Breuer, D. S. Brown, R. Carlini, J. Cha, N. Chant, E. ChristyA. Cochran, L. Cole, G. Collins, C. Cothran, J. Crowder, W. J. Cummings, S. Danagoulian, F. Dohrmann, F. Duncan, J. Dunne, D. Dutta, T. Eden, M. Elaasar, R. Ent, L. Ewell, H. Fenker, H. T. Fortune, Y. Fujii, L. Gan, H. Gao, K. Garrow, D. F. Geesaman, P. Gueye, K. Gustafsson, K. Hafidi, J. O. Hansen, W. Hinton, H. E. Jackson, H. Juengst, C. Keppel, A. Klein, D. Koltenuk, Y. Liang, J. H. Liu, A. Lung, D. Mack, R. Madey, P. Markowitz, C. J. Martoff, D. Meekins, J. Mitchell, T. Miyoshi, H. Mkrtchyan, R. Mohring, S. K. Mtingwa, B. Mueller, T. G. O'Neill, G. Niculescu, I. Niculescu, D. Potterveld, J. W. Price, B. A. Raue, P. E. Reimer, J. Roche, P. Roos, M. Sarsour, Y. Sato, G. Savage, R. Sawafta, J. P. Schiffer, R. E. Segel, A. Semenov, S. Stepanyan, V. Tadevosian, S. Tajima, L. Tang, B. Terburg, A. Uzzle, S. Wood, H. Yamaguchi, C. Yan, C. Yan, L. Yuan, B. Zeidman, M. Zeier, B. Zihlmann

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9 Citations (Scopus)


Kaon electroproduction on hydrogen, deuterium and helium targets has been measured at a beam energy of 3.245 GeV and four-momentum transfer, Q2, ranging from 0.34 to 0.5 GeV2. Associated hyperon production off a nucleon in the deuteron exhibits a quasifree production mechanism. Excess yield close to the respective thresholds for Λ and Σ production is observed. This can be accounted for by final-state interaction between the electroproduced hyperon and the spectator nucleon. The effects predicted from three different hyperon-nucleon potentials are compared to the data. The measurement on the helium targets is the first ever performed. Very preliminary results are presented.

Original languageEnglish
Pages (from-to)470-474
Number of pages5
JournalNuclear Physics A
Issue number1-4
Publication statusPublished - 2001 Mar 12
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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