Journal
PHYSICAL REVIEW D
Volume 70, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.70.014012
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We describe the use of doubly unintegrated parton distributions in hadron-hadron collisions, using the (z,k(t))-factorization prescription where the transverse momentum of the incoming parton is generated in the last evolution step. We apply this formalism to calculate the transverse momentum (P-T) distributions of produced W and Z bosons and compare the predictions to Tevatron run 1 data. We find that the observed P-T distributions can be generated almost entirely by the leading order q(1)q(2)-->W,Z subprocesses, using known and universal doubly unintegrated quark distributions. We also calculate the P-T distribution of the standard model Higgs boson at the LHC, where the dominant production mechanism is by gluon-gluon fusion.
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