Photoproduction of top in peripheral heavy ion collisions

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dc.creatorKlein, Spencer R.
dc.creatorNystrand, Joakim
dc.creatorVogt, Ramona
dc.date2000-05-16
dc.date2001-07-09
dc.date.accessioned2026-07-07T12:25:59Z
dc.date.available2026-07-07T12:25:59Z
dc.descriptionIn relativistic heavy ion collisions, top quarks can be produced by photon-gluon fusion when a photon from the Weizsäcker-Williams virtual photon field of one nucleus interacts with a gluon in the other nucleus. Photoproduction with heavy ions at the Large Hadron Collider (LHC) will be the first accessible non-hadronic top production channel. We calculate the $t \bar t$ photoproduction cross sections, pair mass and top quark rapidity distributions in peripheral heavy ion collisions. The cross sections are sensitive to the top quark charge and the large-$Q^2$ gluon distribution in the nucleus. We find a cross section of 94 pb in calcium-calcium collisions, leading to 190 pairs in a one month ($10^6$ sec) LHC run. We also find $p$Pb and $p$Ca cross sections of 5.8 and 3.4 pb respectively, resulting in 6 and 34 $t\bar t$ pairs per month.
dc.descriptionkinematics clarified (results unchanged); to appear in Eur. Phys. J. C 13 pages including 2 figures kinematics section clarified (results unchanged)
dc.identifierhttps://arxiv.org/abs/hep-ph/0005157
dc.identifierhttp://arxiv.org/abs/hep-ph/0005157
dc.identifierEur.Phys.J.C21:563-566,2001
dc.identifierdoi:10.1007/s100520100739
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214743
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titlePhotoproduction of top in peripheral heavy ion collisions
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