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Angular distributions for (3,4)(Lambda)H bound states in the (3,4)He(e,e(')K+) reaction |
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| Authors: | Dohrmann F Ahmidouch A Armstrong C S Arrington J Asaturyan R Avery S Bailey K Bitao H Breuer H Brown D S Carlini R Cha J Chant N Christy E Cochran A Cole L Crowder J Danagoulian S Elaasar M Ent R Fenker H Fujii Y Gan L Garrow K Geesaman D F Gueye P Hafidi K Hinton W Juengst H Keppel C Liang Y Liu J H Lung A Mack D Markowitz P Mitchell J Miyoshi T Mkrtchyan H Mtingwa S K Mueller B Niculescu G Niculescu I Potterveld D Raue B A Reimer P E Reinhold J Roche J Sarsour M Sato Y Segel R E Semenov A Stepanyan S Tadevosian V Tajima S Tang L Uzzle A Wood S Yamaguchi H Yan C Yuan L Zeidman B Zeier M |
| Affiliation: | Argonne National Laboratory, Argonne, IL 60439, USA. F.Dohrmann@fz-rossendorf.de |
| Abstract: | The (3,4)(Lambda)H and (4)(Lambda)H hypernuclear bound states have been observed for the first time in kaon electroproduction on (3,4)He targets. The production cross sections have been determined at Q(2)=0.35 GeV2 and W=1.91 GeV. For either hypernucleus the nuclear form factor is determined by comparing the angular distribution of the (3,4)He(e,e(')K+)(3,4)(Lambda)H processes to the elementary cross section 1H(e,e K+)Lambda on the free proton, measured during the same experiment. |
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