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Titolo:
POLARIZATION IN TOP-QUARK PAIR PRODUCTION NEAR-THRESHOLD
Autore:
HARLANDER R; JEZABEK M; KUHN JH; TEUBNER T;
Indirizzi:
INST THEORET TEILCHENPHYS D-76128 KARLSRUHE GERMANY INST NUCL PHYS PL-30055 KRAKOW POLAND
Titolo Testata:
Physics letters. Section B
fascicolo: 1-2, volume: 346, anno: 1995,
pagine: 137 - 142
SICI:
0370-2693(1995)346:1-2<137:PITPPN>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
T(T)OVER-BAR PRODUCTION; MOMENTUM DISTRIBUTIONS; E+E-ANNIHILATION; LEPTON SPECTRA; DECAY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
26
Recensione:
Indirizzi per estratti:
Citazione:
R. Harlander et al., "POLARIZATION IN TOP-QUARK PAIR PRODUCTION NEAR-THRESHOLD", Physics letters. Section B, 346(1-2), 1995, pp. 137-142

Abstract

The polarization dependent momentum distributions of top quarks and their decay products are calculated for t ($) over bar t production at future e(+)e(-) colliders with polarized beams. The Green function formalism is applied to this reaction near energy threshold. The Lippmann-Schwinger equations for the S-wave and P-wave Green functions are solved numerically for the QCD chromostatic potential given by the two-loop formula at large momentum transfers and Richardson ansatz at intermediate and small ones. It is demonstrated that for the longitudinally polarized electron beam an optimally polarized sample of top quarks can be produced.

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Documento generato il 30/11/20 alle ore 16:54:07