Electroproduction of Kaons and Light Hypernuclei

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

Electroproduction of Kaons and Light Hypernuclei

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

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 GeV. Associated hyperon production off a nucleon in the
deuteron exhibits a quasifree production mechanism.
Excess yield close to the respective thresholds for L and S
production is observed. This can be accounted for be 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 measurements on the helium targets is the first ever performed.
Very preliminary results are presented.

Nucl. Phys. A 684 (2001) 470

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