Electromagnetic Production of the Hypertriton

Details Electromagnetic Production of the Hypertriton Electromagnetic Production of the Hypertriton

1996-10-25

arxiv.org/abs/nucl-th/9610038v2

Nucl.Phys. A640 (1998) 235-258

Physics

Nuclear Physics

Nuclear Theory

39 pages in RevTeX including 8 Postscript figures. Replaced with the version accepted in Nucl. Phys. A

Scientific paper

10.1016/S0375-9474(98)00441-2

Kaon photoproduction on He3, gamma + He3 --> K+ + Hypertriton, is studied in the framework of the impulse approximation. Realistic He3 wave functions obtained as solutions of Faddeev equations with the Reid soft-core potential are used along with different Hypertriton wave functions. Results are compared for several elementary operator models, which can successfully describe the elementary kaon production off the proton up to a photon lab energy of k = 2.2 GeV. It is found that the corresponding cross sections are small, of the order of several nanobarns. It is also shown that the influence of Fermi motion is important, while the effect of different off-shell assumptions on the cross section is not too significant.

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