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SUMMARY:The Higgs pt spectrum with finite top mass - Stefano Forte (Milan 
 U. and INFN Milan\, Italy)
DTSTART:20161129T150000Z
DTEND:20161129T160000Z
UID:TALK67449@talks.cam.ac.uk
CONTACT:Alexander Mitov
DESCRIPTION:The transverse momentum distribution of Higgs bosons is a sens
 itive\nprobe of new physics in the Higgs sector. It is also exceedingly\nd
 ifficult to determine accurately in perturbative QCD because its\ncomputat
 ion involves four different scales - the top\, bottom\, and\nhiggs masses 
 on top of the transverse momentum itself.\nAfter a brief review of this im
 portant observable\, I will present\nrecent results obtained in the limit 
 in which the center-of-mass\nenergy is very high\, exploiting a new resumm
 ation results which I\nrecently derived. I will show in particular that fo
 r transverse\nmomenta of the order of the top mass or higher an effective 
 field\ntheory approach in which heavy quark masses effects are neglected\n
 fails  completely\, and present an optimal approximation constructed by\ne
 xploting information from resummation.
LOCATION:Rutherford Seminar Room B
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