About: Search for a Higgs boson decaying into a Z and a photon in pp collisions at root s=7 and 8 TeV     Goto   Sponge   NotDistinct   Permalink

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Description
  • A search for a Higgs boson decaying into a Z boson and a photon is described. The analysis is performed using proton-proton collision datasets recorded by the CMS detector at the LHC. Events were collected at center-of-mass energies of 7 TeV and 8 TeV, corresponding to integrated luminosities of 5.0 fb(-1) and 19.6 fb(-1), respectively. The selected events are required to have opposite-sign electron or muon pairs. No excess above standard model predictions has been found in the 120-160 GeV mass range and the first limits on the Higgs boson production cross section times the H -> Z gamma branching fraction at the LHC have been derived. The observed at 95% confidence level limits are between about 4 and 25 times the standard model cross section times the branching fraction. For a standard model Higgs boson mass of 125 GeV the expected limit at the 95% confidence level is 10 and the observed limit is 9.5. Models predicting the Higgs boson production cross section times the H -> Z gamma branching fraction to be larger than one order of magnitude of the standard model prediction are excluded for most of the 125-157 GeV mass range. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved.
  • A search for a Higgs boson decaying into a Z boson and a photon is described. The analysis is performed using proton-proton collision datasets recorded by the CMS detector at the LHC. Events were collected at center-of-mass energies of 7 TeV and 8 TeV, corresponding to integrated luminosities of 5.0 fb(-1) and 19.6 fb(-1), respectively. The selected events are required to have opposite-sign electron or muon pairs. No excess above standard model predictions has been found in the 120-160 GeV mass range and the first limits on the Higgs boson production cross section times the H -> Z gamma branching fraction at the LHC have been derived. The observed at 95% confidence level limits are between about 4 and 25 times the standard model cross section times the branching fraction. For a standard model Higgs boson mass of 125 GeV the expected limit at the 95% confidence level is 10 and the observed limit is 9.5. Models predicting the Higgs boson production cross section times the H -> Z gamma branching fraction to be larger than one order of magnitude of the standard model prediction are excluded for most of the 125-157 GeV mass range. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved. (en)
Title
  • Search for a Higgs boson decaying into a Z and a photon in pp collisions at root s=7 and 8 TeV
  • Search for a Higgs boson decaying into a Z and a photon in pp collisions at root s=7 and 8 TeV (en)
skos:prefLabel
  • Search for a Higgs boson decaying into a Z and a photon in pp collisions at root s=7 and 8 TeV
  • Search for a Higgs boson decaying into a Z and a photon in pp collisions at root s=7 and 8 TeV (en)
skos:notation
  • RIV/00216208:11320/13:10193369!RIV14-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(LG13031)
http://linked.open...iv/cisloPeriodika
  • 4-5
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 104186
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/13:10193369
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • pp collisions; Higgs; CMS (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [E42EE4A0AADA]
http://linked.open...i/riv/nazevZdroje
  • Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 726
http://linked.open...iv/tvurceVysledku
  • Adam, W.
  • Chatrchyan, S.
  • Finger, Michael
  • Finger, Miroslav
  • Khachatryan, V.
  • Bergauer, T.
  • Dragicevic, M.
  • Fabjan, C.
  • Friedl, M.
  • Hrubec, J.
  • Krammer, M.
  • Sirunyan, A. M.
  • Tumasyan, A.
  • Ero, J.
  • Fruhwirth, R.
http://linked.open...ain/vavai/riv/wos
  • 000327907000005
issn
  • 0370-2693
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.physletb.2013.09.057
http://localhost/t...ganizacniJednotka
  • 11320
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