Kumar, M. C. ; Mathews, Prakash ; Ravindran, V. ; Tripathi, Anurag (2009) Direct photon pair production at the LHC to O(αs) in TeV scale gravity models Nuclear Physics B, 818 (1-2). pp. 28-51. ISSN 0550-3213
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.nuclphysb.2009.03.022
Abstract
The first results on next-to-leading order QCD corrections to production of direct photon pairs in hadronic collisions in the extra dimension models - ADD and RS are presented. Various kinematical distributions are obtained to order as in QCD by taking into account all the parton level subprocesses. Our Monte Carlo based code incorporates all the experimental cuts suitable for physics studies at the LHC. We estimate the impact of the QCD corrections on various observables and find that they are significant. We also show the reduction in factorization scale uncertainty when O(αs) effects are included.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 84935 |
| Deposited On: | 28 Feb 2012 04:18 |
| Last Modified: | 28 Feb 2012 04:18 |
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