Polarization in Hyperon Photo- and Electro- Production
| dc.creator | Schumacher, Reinhard | |
| dc.date | 2008-02-07 | |
| dc.date.accessioned | 2026-07-07T11:14:11Z | |
| dc.date.available | 2026-07-07T11:14:11Z | |
| dc.description | Multiple polarization observables must be measured to access the amplitude structure of pseudoscalar meson photoproduction off the proton. The hyperon-producing reactions are especially attractive to study, since the weak decays allow straightforward measurement of the induced and recoil polarization observables. In this paper we emphasize $γ+ p \to K^+ + Λ$, discussing recent measurements of $C_x$, $C_z$, and $P$ for this reaction. An empirical constraint on the helicity amplitudes is obtained. A simplified model involving spin-flip and spin non-flip amplitudes is presented. Finally, a semi-classical model of how the polarization may arise is presented. | |
| dc.description | Invited paper at NStar2007, Accepted for EPJ A 1-21-08, 6 pages, 6 figures | |
| dc.identifier | https://arxiv.org/abs/0802.0985 | |
| dc.identifier | http://arxiv.org/abs/0802.0985 | |
| dc.identifier | Eur.Phys.J.A35:299-305,2008 | |
| dc.identifier | doi:10.1140/epja/i2007-10558-3 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/191979 | |
| dc.subject | Nuclear Experiment | |
| dc.title | Polarization in Hyperon Photo- and Electro- Production | |
| dc.type | text |