Speaker
Mr
Gustavo Gil da Silveira
(Universidade Federal do Rio Grande do Sul)
Description
A new mechanism is presented for the Central Exclusive Diffractive production of the Standard Model Higgs boson in Ultraperipheral Collisions at LHC. The Higgs boson is centrally produced by Double Pomeron Exchange with two Large Rapidity Gaps emerging in the final state, being the main experimental signature for this process. The Higgs boson photoproduction is studied within this new mechanism in proton-proton and proton-nucleus collisions, where the photon flux has to be introduced in a particular way for each source object. As a result, this mechanism predicts a production cross section in proton-proton collisions of about 2 fb, which is similar to that obtained in Pomeron-Pomeron processes. Besides, the cross section in proton-lead collisions rises to about 0.6 pb, being comparable with the results of two-photon processes in proton-gold collisions. Therefore, as the Rapidity Gap Survival Probability is an open question in high-energy Physics, an analysis of different probabilities shows how competitive are these approaches for the Higgs boson production in the LHC kinematical regime.
Primary author
Mr
Gustavo Gil da Silveira
(Universidade Federal do Rio Grande do Sul)
Co-author
Prof.
Maria Beatriz Gay Ducati
(Universidade Federal do Rio Grande do Sul)
