EPJ Web of Conferences
Volume 60, 2013LHCP 2013 – Large Hadron Collider Physics 2013
|Number of page(s)||3|
|Published online||26 November 2013|
Probing the Higgs coupling to top quark in events with associated Higgs production with top-anti top pair and Higgs decay in two photons
1 Sapienza, Universitá di Roma
2 INFN, Sezione di Roma
a e-mail: firstname.lastname@example.org
Published online: 26 November 2013
We present here the results of the first search for the associated production of the Higgs boson with a pair, using the events where the Higgs boson decays to two photons in CMS. In order to maximize acceptance and sensitivity to such a small signal, we device two di_erent sets of event selection criteria, optimized for leptonic and all-hadronic decays. In the absence of a significant excess over the background-only predictions, we proceed to set an observed (expected) 95% confidence level upper limit on H production cross section times BR(H → γγ) of 5.4 (5.3) times the Standard model value using 19.6 fb−1 of 8 TeV pp collisions.
© Owned by the authors, published by EDP Sciences, 2013
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