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SINGLE SPIN ASYMMETRIES FOR LOW ENERGY π^±'S AND FOR ρ MESONS AT RHIC ENERGIES

G. HERRERA

Centro de Investigación y de Estudios Avanzados, Apdo. Postal 14740, 07000, D.F., México

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I. LEÓN-MONZÓN

Centro de Investigación y de Estudios Avanzados, Apdo. Postal 14740, 07000, D.F., México

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, and

J. MARTÍNEZ CASTRO

Centro de Investigación y de Estudios Avanzados, Apdo. Postal 14740, 07000, D.F., México

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https://doi.org/10.1142/S0217732304013489Cited by:0 (Source: Crossref)

Abstract

The production asymmetry of both π and ρ mesons in the reaction p↑p→hX is calculated in a two-component model in which hadrons are produced by a nonperturbative recombination process and by fragmentation of quarks in the final state. Thomas precession in the recombination mechanism seems to be responsible of the single spin asymmetry. We obtain a good description of experimental data. Predictions of single spin asymmetries for ρ production at RHIC energies are presented.

Keywords:

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