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Titolo:
A polarization from unpolarized quark fragmentation - art. no. 054029
Autore:
Anselmino, M; Boer, D; DAlesio, U; Murgia, F;
Indirizzi:
Univ Turin, Dipartimento Fis Teor, I-10125 Turin, Italy Univ Turin TurinItaly I-10125 partimento Fis Teor, I-10125 Turin, Italy Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy Ist Nazl Fis Nucl Turin Italy I-10125 , Sez Torino, I-10125 Turin, Italy Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA 11973 N BNL Res Ctr, Upton, NY 11973 USA Univ Cagliari, Dipartimento Fis, I-09042 Monserrato, CA, Italy Univ Cagliari Monserrato CA Italy I-09042 , I-09042 Monserrato, CA, Italy Univ Cagliari, Ist Nazl Fis Nucl, Sez Cagliari, I-09042 Monserrato, CA, Italy Univ Cagliari Monserrato CA Italy I-09042 , I-09042 Monserrato, CA, Italy
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 5, volume: 6305, anno: 2001,
pagine: 4029 -
SICI:
0556-2821(20010301)6305:5<4029:APFUQF>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
SINGLE-SPIN ASYMMETRIES; INCLUSIVE PION-PRODUCTION; HYPERON POLARIZATION; HARD-SCATTERING; LAMBDA; PROTONS; MODEL; LEPTOPRODUCTION; DISTRIBUTIONS; COLLISIONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
49
Recensione:
Indirizzi per estratti:
Indirizzo: Anselmino, M Univ Turin, Dipartimento Fis Teor, Via P Giuria 1, I-10125 Turin, Italy Univ Turin Via P Giuria 1 Turin Italy I-10125 5 Turin, Italy
Citazione:
M. Anselmino et al., "A polarization from unpolarized quark fragmentation - art. no. 054029", PHYS REV D, 6305(5), 2001, pp. 4029

Abstract

The long-standing problem of explaining the observed polarization of Lambda hyperons, inclusively produced in the high-energy collisions of unpolarized hadrons, is tackled by considering spin- and k(perpendicular to)-dependent quark-fragmentation functions. The data on Lambda 's and <(<Lambda>)overbar>'s produced in p-N processes are used to determine simple phenomenological expressions for these new "polarizing fragmentation functions," which describe the experiments remarkably well.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/01/20 alle ore 16:52:52