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Search for higgs and Z boson decays to J/ψγ and (nS)γ with the ATLAS detector
Journal article   Peer reviewed

Search for higgs and Z boson decays to J/ψγ and (nS)γ with the ATLAS detector

G. Aad, B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, M. Abolins, O.S. Abouzeid, H. Abramowicz, …
Physical Review Letters, Vol.114(12), p.1DUMMY
26/03/2015

Abstract

A search for the decays of the Higgs and Z bosons to J/ψγ and (nS)γ (n=1,2,3) is performed with pp collision data samples corresponding to integrated luminosities of up to 20.3fb-1 collected at s=8TeV with the ATLAS detector at the CERN Large Hadron Collider. No significant excess of events is observed above expected backgrounds and 95% C.L. upper limits are placed on the branching fractions. In the J/ψγ final state the limits are 1.5×10-3 and 2.6×10-6 for the Higgs and Z boson decays, respectively, while in the (1S,2S,3S)γ final states the limits are (1.3,1.9,1.3)×10-3 and (3.4,6.5,5.4)×10-6, respectively.
url
https://doi.org/10.1103/PhysRevLett.114.121801View
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