Pregled bibliografske jedinice broj: 626946
On the anomalous t-quark charge asymmetry and noncontractibility of the physical space
On the anomalous t-quark charge asymmetry and noncontractibility of the physical space // Acta physica Polonica B, 43 (2012), 11; 2055-2066 doi:10.5506/APhysPolB.43.2055 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 626946 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
On the anomalous t-quark charge asymmetry and noncontractibility of the physical space
Autori
Palle, Davor
Izvornik
Acta physica Polonica B (0587-4254) 43
(2012), 11;
2055-2066
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
charge asymmetry; noncontractible space
Sažetak
Heavy flavour production at hadron colliders represents a very promising field to test perturbative QCD. The integrated forward-backward asymmetry of the top-antitop quark production is particularly sensitive to any deviation from the standard QCD calculations. The two Tevatron collaborations, CDF and D0, reported a much larger t-quark charge asymmetry than predicted by the theory. We show that the QCD in noncontractible space, where the minimal distance is fixed by weak interactions, enhances the asymmetry by more than a factor of 3 (5) at the parton level in leading order of the coupling for the Tevatron (LHC) center of mass energies. This result should not be a surprise since the asymmetry observable directly explores the far ultraviolet sector of the spacelike domain of the Minkowski spacetime.
Izvorni jezik
Engleski
Znanstvena područja
Fizika
POVEZANOST RADA
Projekti:
098-0000000-2865 - Kvantna teorija polja, nekomutativni prostori i simetrije (Meljanac, Stjepan, MZOS ) ( CroRIS)
Ustanove:
Institut "Ruđer Bošković", Zagreb
Profili:
Davor Palle
(autor)
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
