Lambda polarization in unpolarized hadron reactions
High Energy Physics - Phenomenology
2009-10-31 v1
Abstract
The transverse polarization observed in the inclusive production of Lambda hyperons in the high energy collisions of unpolarized hadrons is tackled by considering a new set of spin and kT dependent quark fragmentation functions. Simple phenomenological expressions for these new ``polarizing fragmentation functions'' are obtained by a fit of the data on Lambda's and Lambdabar's produced in p-N processes.
Cite
@article{arxiv.hep-ph/0010291,
title = {Lambda polarization in unpolarized hadron reactions},
author = {M. Anselmino and D. Boer and U. D'Alesio and F. Murgia},
journal= {arXiv preprint arXiv:hep-ph/0010291},
year = {2009}
}
Comments
7 pages, 3 figures, uses epsfig.sty. Talk delivered by U. D'Alesio at the International Workshop "Symmetries and Spin, Praha-Spin-2000", July 17-22, 2000, Prague