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Digitale Medien

The intrinsic transverse momentum of Drell-Yan pairs (1984)

Nakamura, A. ; Pancheri, G. ; Srivastava, Y. N.

Springer

The European physical journal 21 (1984), S. 243-251

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Details

ISSN: 1434-6052

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract A soft gluon summation technique is used in conjunction with a singular infrared behaviour of the QCD coupling constant to compute the moments of transverse momentum 〈Q ⊥ 2 〉 and 〈Q ⊥ 4 〉 of lepton pairs produced in hadron-hadron scattering. Remarkably, it is found that an α s which produces asymptotically linear Regge trajectories, gives the best account of 〈Q ⊥ 2 〉 for lepton pairs produced through valence quarks (and antiquarks), with no need of any intrinsic transverse momentum. Factorization of the cross section into its longitudinal and transverse momentum part is not assumed for the derivation of the mean values.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01577038

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