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- Publications
- Influence
Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
- S. Chatrchyan, V. Khachatryan, +2,858 authors D. Wenman
- Physics
- 1 August 2012
Results are presented from searches for the standard model Higgs boson in proton-proton collisions at sqrt(s)=7 and 8 TeV in the CMS experiment at the LHC, using data samples corresponding to… Expand
Performance and Operation of the CMS Electromagnetic Calorimeter
- S. Chatrchyan, V. Khachatryan, +2,403 authors A. White
- Physics
- 1 December 2010
The operation and general performance of the CMS electromagnetic calorimeter using cosmic-ray muons are described. These muons were recorded after the closure of the CMS detector in late 2008. The… Expand
Transverse-Momentum and Pseudorapidity Distributions of Charged Hadrons in pp Collisions at root s=7 TeV
- Khachatryan, A. M. Sirunyan, +2,049 authors G. Onengut
- Physics
- 19 May 2010
Charged-hadron transverse-momentum and pseudorapidity distributions in proton-proton collisions at root s = 7 TeV are measured with the inner tracking system of the CMS detector at the LHC. The… Expand
Performance of CMS muon reconstruction in cosmic-ray events
- S. Chatrchyan, V. Khachatryan, +2,404 authors A. White
- Physics
- 1 December 2010
The performance of muon reconstruction in CMS is evaluated using a large data sample of cosmic-ray muons recorded in 2008. Efficiencies of various high-level trigger, identification, and… Expand
Performance of CMS Hadron Calorimeter Timing and Synchronization using Test Beam, Cosmic Ray, and LHC Beam Data.
- S. Chatrchyan, V. Khachatryan, +2,403 authors A. White
- Physics
- 1 December 2010
This paper discusses the design and performance of the time measurement technique and of the synchronization systems of the CMS hadron calorimeter. Time measurement performance results are presented… Expand
Upsilon production cross section inppcollisions ats=7TeV
- V. Khachatryan, A. M. Sirunyan, +2,141 authors M. Weinberg
- Physics
- 15 June 2011
The Y(1S), Y(2S), and Y(3S) production cross sections in proton-proton collisions at root s = 7 TeV are measured using a data sample collected with the CMS detector at the LHC, corresponding to an… Expand
Identification and Filtering of Uncharacteristic Noise in the CMS Hadron Calorimeter
- S. Chatrchyan, V. Khachatryan, +2,403 authors A. White
- Physics
- 1 December 2010
Commissioning studies of the CMS hadron calorimeter have identified sporadic uncharacteristic noise and a small number of malfunctioning calorimeter channels. Algorithms have been developed to… Expand
Alignment of the CMS muon system with cosmic-ray and beam-halo muons
- S. Chatrchyan, Khachatryan, +2,380 authors N. Il'ina
- Physics
- 1 December 2010
The CMS muon system has been aligned using cosmic-ray muons collected in 2008 and beam-halo muons from the 2008 LHC circulating beam tests. After alignment, the resolution of the most sensitive… Expand
Precise Mapping of the Magnetic Field in the CMS Barrel Yoke using Cosmic Rays
- S. Chatrchyan, V. Khachatryan, +2,404 authors A. White
- Physics
- 1 December 2010
The CMS detector is designed around a large 4 T superconducting solenoid, enclosed in a 12000-tonne steel return yoke. A detailed map of the magnetic field is required for the accurate simulation and… Expand
Search for dijet resonances in 7 TeV pp collisions at CMS
- V. Khachatryan, A. M. Sirunyan, +2,140 authors M. Weinberg
- Physics
- 17 November 2010
A search for narrow resonances in the dijet mass spectrum is performed using data corresponding to an integrated luminosity of 2.9 inverse pb collected by the CMS experiment at the LHC. Upper limits… Expand