arXiv subjects

Parvez Anandam

Publications and source records attributed to Parvez Anandam.

2 recordsLinked to original sources

arXiv2000

Leading logarithm calculation of the e^+ e^- -> e^+ ν_e \bar{u} d cross section

We analytically evaluate in the leading logarithm approximation the differential cross section for e^+ e^- -> e^+ ν_e \bar{u} d. We compare our order α^4 α_s^0 leading-log result to the order α^4 α_s^0 exact result obtained from the GRC4F Monte Carlo program. Finally we use the Gluck, Reya, Schienbien distribution of partons in a virtual photon, which incorporates both evolution and nonperturbative strong interaction contributions, to obtain better estimates of the differential cross section.

hep-ph↗

arXiv1999

Factorization scheme dependence of the NLO inclusive jet cross section

We study the factorization scheme dependence of the next-to-leading order inclusive one jet cross section d sigma/dE_T. The scheme is varied parametrically along the direction that transforms the MSbar scheme to the DIS scheme: we introduce a parameter lambda such that lambda = 0 is MSbar and lambda = 1 is DIS. The factorization scale mu is also varied. We observe a change of +/- 9% in the cross section for E_T = 50 GeV when mu and lambda are varied in the range -2 < lambda < 2, E_T/8 < mu < 2 E_T. This grows to +/- 32% for E_T = 400 GeV.

hep-ph↗