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Josef Hammer

Researcher at CERN

Publications -  637
Citations -  64338

Josef Hammer is an academic researcher from CERN. The author has contributed to research in topics: Large Hadron Collider & Standard Model. The author has an hindex of 120, co-authored 631 publications receiving 60840 citations. Previous affiliations of Josef Hammer include École Polytechnique & Austrian Academy of Sciences.

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Search for a standard model-like Higgs boson in the $μ^+μ^−$ and $e^+e^−$ decay channels at the LHC

Vardan Khachatryan, +2141 more
- 11 May 2015 - 
TL;DR: Open Access funded by SCOAP³ - Sponsoring Consortium for Open Access Publishing in Particle Physics Under a Creative Commons license as discussed by the authors, is used for particle physics publications.
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Event activity dependence of Υ(nS) production in √sNN = 5.02 TeV pPb and √s = 2.76 TeV pp collisions

S. Chatrchyan, +2264 more
TL;DR: In this article, the production of Y(1S), Y(2S), and Y(3S) is investigated in pPb and pp collisions at centre-of-mass energies per nucleon pair of 5.02 TeV and 2.76 TeV, respectively.
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Search for the Standard Model Higgs Boson in the Decay Channel H→ZZ→4l in pp Collisions at √s=7 TeV

S. Chatrchyan, +2321 more
- 13 Mar 2012 - 
TL;DR: In this article, a search for a Higgs boson in the four-lepton decay channel H→ZZ, with each Z boson decaying to an electron or muon pair, is reported.
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Study of exclusive two-photon production of W+W- in pp collisions at √s=7 TeV and constraints on anomalous quartic gauge couplings

S. Chatrchyan, +2271 more
- 18 Jul 2013 - 
TL;DR: In this article, a search for exclusive or quasi-exclusive W(+)W(-) production by photon-photon interactions, pp to p(*)W(+W(+)p(*), at sqrt(s) = 7 TeV is reported using data collected by the CMS detector with an integrated luminosity of 5.5 TeV.
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Searches for a heavy scalar boson H decaying to a pair of 125 GeV Higgs bosons hh or for a heavy pseudoscalar boson A decaying to Zh, in the final states with h→ττ

Vardan Khachatryan, +2314 more
- 10 Apr 2016 - 
TL;DR: In this article, a search for a heavy scalar boson H decaying into a pair of lighter standard-model-like 125 GeV Higgs bosons h and an h boson decaying into an H boson was performed on a dataset corresponding to an integrated luminosity of 19.7 inverse femtobarns of pp collision data at a centre-of-mass energy of 8 TeV.