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Titolo:
Top quark pair production at threshold: Complete next-to-next-to-leading order relativistic corrections - art. no. 114023
Autore:
Hoang, AH; Teubner, T;
Indirizzi:
Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA Univ Calif San Diego La Jolla CA USA 92093 t Phys, La Jolla, CA 92093 USA DESY, D-22603 Hamburg, Germany DESY Hamburg Germany D-22603DESY, D-22603 Hamburg, Germany
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 11, volume: 5811, anno: 1998,
pagine: 4023 -
SICI:
0556-2821(199812)5811:11<4023:TQPPAT>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
T(T)OVER-BAR PRODUCTION; MOMENTUM DISTRIBUTIONS; QCD; HEAVY; DECAY; ANNIHILATION; WIDTH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Hoang, AH Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA Univ Calif San Diego La Jolla CA USA 92093 Jolla, CA 92093 USA
Citazione:
A.H. Hoang e T. Teubner, "Top quark pair production at threshold: Complete next-to-next-to-leading order relativistic corrections - art. no. 114023", PHYS REV D, 5811(11), 1998, pp. 4023

Abstract

The complete next-to-next-to-leading order [i.e., O(nu(2)), O(nu alpha(s)), and O(alpha(s)(2))] relativistic corrections to the total photon mediatedt (t) over bar production cross section at threshold are presented in the framework of nonrelativistic quantum chromodynamics. The results are obtained using semianalytic methods and "direct matching. " The size of the next-to-next-to-leading order relativistic corrections is found to be comparable to the size of the next-to-leading order ones. [S0556-2821(98)05621-5].

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Documento generato il 05/12/20 alle ore 19:29:09