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Transverse momentum resummation for color sextet and antitriplet scalar production at the LHC

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arxiv 1307.4341 v2 pith:K64GV54U submitted 2013-07-16 hep-ph

Transverse momentum resummation for color sextet and antitriplet scalar production at the LHC

classification hep-ph
keywords resummationsoftantitripletcolorfunctionmomentumproductionscalar
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study the factorization and resummation of the transverse momentum spectrum of the color sextet and antitriplet scalars produced at the LHC based on soft-collinear effective theory. Compared to Z boson and Higgs production, a soft function is required to account for the soft gluon emission from the final-state colored scalar. The soft function is calculated at the next-to-leading order, and the resummation is performed at the approximate next-to-next-to-leading logarithmic accuracy. The non-perturbative effects and PDF uncertainties are also discussed.

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