NLO corrections to lepton pair production beyond the Standard Model at hadron colliders | Zendy

Debajyoti Choudhury | Zendy; Swapan Majhi | Zendy; V. Ravindran | Zendy

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NLO corrections to lepton pair production beyond the Standard Model at hadron colliders

Author(s) -

Debajyoti Choudhury,

Swapan Majhi,

V. Ravindran

Publication year - 2006

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2006/01/027

Subject(s) - physics , particle physics , lepton , hadron , quantum chromodynamics , pair production , production (economics) , fermion , standard model (mathematical formulation) , large hadron collider , physics beyond the standard model , collider , scale (ratio) , nuclear physics , quantum mechanics , history , archaeology , gauge (firearms) , economics , macroeconomics , electron

We consider lepton pair production at a hadron collider in a class ofeffective theories with the relevant operators being four-fermion contactinteraction. Despite the nonrenormalizable nature of the interaction, weexplicitly demonstrate that calculating QCD corrections is both possible andmeaningful. Calculating the corrections for various differential distributions,we show that these can be substantial and significantly different from thosewithin the SM. Furthermore, the corrections have a very distinctive flavourdependence. And finally, the scale dependence of the cross sections are greatlyreduced once the NLO corrections are taken into account.Comment: 23 pages, 14 figures, few typos corrected, written in JHEP styl

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