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4.
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Performance of $\tau$-lepton reconstruction and identification in CMS
/ CMS Collaboration
The performance of tau-lepton reconstruction and identification algorithms is studied using a data sample of proton-proton collisions at sqrt(s)=7 TeV, corresponding to an integrated luminosity of 36 inverse picobarns collected with the CMS detector at the LHC. The tau leptons that decay into one or three charged hadrons, zero or more short-lived neutral hadrons, and a neutrino are identified using final-state particles reconstructed in the CMS tracker and electromagnetic calorimeter. [...]
arXiv:1109.6034; CERN-PH-EP-2011-137; CMS-TAU-11-001; CMS-TAU-11-001; CERN-PH-EP-2011-137.-
Geneva : CERN, 2012-01 - 32 p.
- Published in : JINST 7 (2012) P01001
Fulltext: fermi - PDF; arXiv:1109.6034 - PDF; fermilab-pub-11-818-cms - PDF; IOP Open Access article: PDF;
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9.
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Measurement of the Drell-Yan cross section in pp collisions at √s = 7 TeV
/ CMS Collaboration
The Drell-Yan differential cross section is measured in pp collisions at sqrt(s) = 7 TeV, from a data sample collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 36 inverse picobarns. The cross section measurement, normalized to the measured cross section in the Z region, is reported for both the dimuon and dielectron channels in the dilepton invariant mass range 15-600 GeV. [...]
arXiv:1108.0566; CERN-PH-EP-2011-093; CMS-EWK-10-007; CMS-EWK-10-007; CERN-PH-EP-2011-093.-
Geneva : CERN, 2011 - 41 p.
- Published in : JHEP 10 (2011) 007
Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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14.
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Determination of jet energy calibration and transverse momentum resolution in CMS
/ CMS Collaboration
Measurements of the jet energy calibration and transverse momentum resolution in CMS are presented, performed with a data sample collected in proton-proton collisions at a centre-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 36 inverse picobarns. The transverse momentum balance in dijet and gamma/Z+jets events is used to measure the jet energy response in the CMS detector, as well as the transverse momentum resolution. [...]
arXiv:1107.4277; CERN-PH-EP-2011-102; CMS-JME-10-011; CMS-JME-10-011; CERN-PH-EP-2011-102.-
Geneva : CERN, 2011 - 67 p.
- Published in : JINST 6 (2011) P11002
Fulltext: PDF; External link: Preprint
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15.
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Search for Three-Jet Resonances in pp Collisions at $\sqrt{s}$ = 7 TeV
/ CMS Collaboration
A model-independent search for three-jet hadronic resonance production in pp collisions at a center-of-mass energy of 7 TeV has been conducted by the CMS Collaboration at the LHC, using a data sample corresponding to an integrated luminosity of 35 inverse picobarns. Events with high jet multiplicity and a large scalar sum of jet transverse momenta are analyzed. [...]
arXiv:1107.3084; CERN-PH-EP-2011-089; CMS-EXO-11-001; CMS-EXO-11-001; CERN-PH-EP-2011-089.-
Geneva : CERN, 2011 - 15 p.
- Published in : Phys. Rev. Lett. 107 (2011) 101801
APS Open Access article: PDF; Fulltext: PDF; External link: Preprint
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17.
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A search for excited leptons in pp Collisions at $\sqrt{s}$ = 7 TeV
/ CMS Collaboration
A search for excited leptons is carried out with the CMS detector at the LHC, using 36 inverse picobarns of pp collision data recorded at sqrt(s) = 7 TeV. The search is performed for associated production of a lepton and an oppositely charged excited lepton pp to l l*, followed by the decay l* to l gamma, resulting in the l l gamma final state, where l = electron or muon. [...]
arXiv:1107.1773; CERN-PH-EP-2011-081; CMS-EXO-10-016; CMS-EXO-10-016; CERN-PH-EP-2011-081.-
Geneva : CERN, 2013-07-16 - 20 p.
- Published in : Phys. Lett. B 704 (2011) 143-162
Elsevier Open Access article: PDF; Fulltext: PDF;
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18.
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Inclusive search for squarks and gluinos in pp collisions at $\sqrt{s}$ = 7 TeV
/ CMS Collaboration
A search is performed for heavy particle pairs produced in sqrt(s) = 7 TeV proton-proton collisions with 35 inverse picobarns of data collected by the CMS experiment at the LHC. The search is sensitive to squarks and gluinos of generic supersymmetry models, provided they are kinematically accessible, with minimal assumptions on properties of the lightest superpartner particle. [...]
arXiv:1107.1279; CERN-PH-EP-2011-099; CMS-SUS-10-009; CMS-SUS-10-009; CERN-PH-EP-2011-099.-
Geneva : CERN, 2012 - 42 p.
- Published in : Phys. Rev. D 85 (2012) 012004
APS Open Access article: PDF; Fulltext: PDF; External link: FERMILABTODAY
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22.
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Search for New Physics with Jets and Missing Transverse Momentum in pp collisions at $\sqrt{s}$ = 7 TeV
/ CMS Collaboration
A search for new physics is presented based on an event signature of at least three jets accompanied by large missing transverse momentum, using a data sample corresponding to an integrated luminosity of 36 inverse picobarns collected in proton--proton collisions at sqrt(s)=7 TeV with the CMS detector at the LHC. No excess of events is observed above the expected standard model backgrounds, which are all estimated from the data. [...]
arXiv:1106.4503; CERN-PH-EP-2011-065; CMS-SUS-10-005; CMS-SUS-10-005; CERN-PH-EP-2011-065.-
Geneva : CERN, 2011 - 43 p.
- Published in : JHEP 08 (2011) 155
Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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26.
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Search for Light Resonances Decaying into Pairs of Muons as a Signal of New Physics
/ CMS Collaboration
A search for groups of collimated muons is performed using a data sample collected by the CMS experiment at the LHC, at a centre-of-mass energy of 7 TeV, and corresponding to an integrated luminosity of 35 inverse picobarns. The analysis searches for production of new low-mass states decaying into pairs of muons and is designed to achieve high sensitivity to a broad range of models predicting leptonic jet signatures. [...]
arXiv:1106.2375; CERN-PH-EP-2011-064; CMS-EXO-11-013; CMS-EXO-11-013; CERN-PH-EP-2011-064.-
Geneva : CERN, 2011 - 28 p.
- Published in : JHEP 07 (2011) 098
Fulltext: PDF; Springer Open Access article: PDF;
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34.
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Indications of Suppression of Excited $\Upsilon$ States in Pb-Pb Collisions at $\sqrt{s_{NN}}$ = 2.76 TeV
/ CMS Collaboration
A comparison of the relative yields of Upsilon resonances in the mu(+) mu(-) decay channel in PbPb and pp collisions at a centre-of-mass energy per nucleon pair of 2.76 TeV, is performed with data collected with the CMS detector at the LHC. Using muons of transverse momentum above 4 GeV/c and pseudorapidity below 2.4, the double ratio of the Upsilon(2S) and Upsilon(3S) excited states to the Upsilon(1S) ground state in PbPb and pp collisions,(Upsilon(2S+3S)/Upsilon(1S)[PbPb])/(Upsilon(2S+3S)/Upsilon(1S)[pp]), is found to be 0.31 - 0.15 + 0.19 (stat.) +/- 0.03 (syst.). [...]
arXiv:1105.4894; CERN-PH-EP-2011-074; CMS-HIN-11-007; CMS-HIN-11-007; CERN-PH-EP-2011-074.-
Geneva : CERN, 2011 - 25 p.
- Published in : Phys. Rev. Lett. 107 (2011) 052302
APS Open Access article: PDF; Fulltext: PDF;
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45.
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Search for Large Extra Dimensions in the Diphoton Final State at the Large Hadron Collider
/ CMS Collaboration
A search for large extra spatial dimensions via virtual-graviton exchange in the diphoton channel has been carried out with the CMS detector at the LHC. No excess of events above the standard model expectations is found using a data sample collected in proton-proton collisions at sqrt(s) = 7 TeV and corresponding to an integrated luminosity of 36 inverse picobarns. [...]
arXiv:1103.4279; CERN-PH-EP-2011-020; CMS-EXO-10-026; CMS-EXO-10-026; CERN-PH-EP-2011-020.-
Geneva : CERN, 2011 - 26 p.
- Published in : JHEP 05 (2011) 085
Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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46.
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Measurement of the lepton charge asymmetry in inclusive W production in pp collisions at $\sqrt{s}$ = 7 TeV
/ CMS Collaboration
A measurement of the lepton charge asymmetry in inclusive pp to WX production at sqrt(s)= 7 TeV is presented based on data recorded by the CMS detector at the LHC and corresponding to an integrated luminosity of 36 inverse picobarns. This high precision measurement of the lepton charge asymmetry, performed in both the W to e nu and W to mu nu channels, provides new insights into parton distribution functions..
arXiv:1103.3470; CERN-PH-EP-2011-024; CMS-EWK-10-006; CMS-EWK-10-006; CERN-PH-EP-2011-024.-
Geneva : CERN, 2011 - 28 p.
- Published in : JHEP 04 (2011) 050
Fulltext: PDF; Springer Open Access article: PDF; External link: FERMILABTODAY
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48.
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Search for resonances in the dilepton mass distribution in pp collisions at s√=7 TeV
/ CMS Collaboration
A search for narrow resonances at high mass in the dimuon and dielectron channels has been performed by the CMS experiment at the CERN LHC, using pp collision data recorded at $\sqrt{s}$=7 TeV. The event samples correspond to integrated luminosities of 40 inverse picobarns in the dimuon channel and 35 inverse picobarns in the dielectron channel. [...]
arXiv:1103.0981; CERN-PH-EP-2011-002; CMS-EXO-10-013; CMS-EXO-10-013; CERN-PH-EP-2011-002.-
Geneva : CERN, 2011 - 35 p.
- Published in : JHEP 05 (2011) 093
Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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51.
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Study of Z boson production in PbPb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV
/ CMS Collaboration
A search for Z bosons in the mu^+mu^- decay channel has been performed in PbPb collisions at a nucleon-nucleon centre of mass energy = 2.76 TeV with the CMS detector at the LHC, in a 7.2 inverse microbarn data sample. The number of opposite-sign muon pairs observed in the 60--120 GeV/c2 invariant mass range is 39, corresponding to a yield per unit of rapidity (y) and per minimum bias event of (33.8 ± 5.5 (stat) ± 4.4 (syst)) 10^{-8}, in the |y|<2.0 range. [...]
arXiv:1102.5435; CERN-PH-EP-2011-003; CMS-HIN-10-003; CMS-HIN-10-003; CERN-PH-EP-2011-003.-
Geneva : CERN, 2011 - 22 p.
- Published in : Phys. Rev. Lett. 106 (2011) 212301
APS Open Access article: PDF; Fulltext: PDF; External links: FERMILABTODAY; DURHAM
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