Electroproduction of kaons on light nuclei

B. Zeidman, 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, H. Breuer, D. S. Brown, R. Carlini, J. Cha, N. Chant, E. Christy, A. CochranL. 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. Reinhold, 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, M. Zeier, B. Zihlmann

研究成果: Article査読

11 被引用数 (Scopus)

抄録

The A(e,e'Κ+)YX reaction on H, D, 3He, and 4He was investigated in Hall C at CE-BAF. Data were obtained for Q2 ≈ 0.35 and 0.5 GeV2 at 3.245 GeV. The missing mass spectra for both H and D are fitted with Monte-Carlo simulations incorporating peaks corresponding to Λ production on the proton and Σ production on both the proton and neutron. For D, the cross section ratio Σ0- ≈ 2, and excess yield close to the thresholds for Λ and Σ production can be attributed to final-state interactions; models are compared to the data. The analysis of the data for the He targets is in a more preliminary state with broader quasi-free peaks resulting from the higher Fermi momenta. Evidence for bound Λ-hypernuclear states is seen and other structure may be present.

本文言語English
ページ(範囲)37-42
ページ数6
ジャーナルNuclear Physics A
691
1-2
DOI
出版ステータスPublished - 2001 8月 13
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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