Issue
EPL
Volume 83, Number 4, August 2008
Article Number 41001
Number of page(s) 4
Section The Physics of Elementary Particles and Fields
DOI http://dx.doi.org/10.1209/0295-5075/83/41001
Published online 28 July 2008
EPL, 83 (2008) 41001
DOI: 10.1209/0295-5075/83/41001

Quark scattering model of the transverse $\mth{\Lambda^0}$ polarization and quark recombination approach

I. Alikhanov1 and O. Grebenyuk2

1  Saint Petersburg State University - Saint Petersburg 198504, Russia
2  Petersburg Nuclear Physics Institute - Leningrad District, Gatchina 188350, Russia

ialspbu@gmail.com

received 22 February 2008; accepted in final form 23 June 2008; published August 2008
published online 28 July 2008

Abstract
The transverse $\Lambda ^{0}$ polarization in high-energy inclusive photoproduction at the current fragmentation is calculated in the framework of the quark scattering model. Transverse motion of the incident quarks as well as the leading contribution of heavier resonances are taken into account. Similar results are obtained within the quark recombination approach. All the calculations are compared with experiment.

PACS
13.88.+e - Polarization in interactions and scattering.
13.60.-r - Photon and charged-lepton interactions with hadrons.

© EPLA 2008