Browsing by Author "La Licata, C."

Constraints on the pMSSM, AMSB model and on other models from the search for long-lived charged particles in proton–proton collisions at √s = 8 TeV

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; e.a. (Springer Berlin Heidelberg, 2015-07)

Stringent limits are set on the long-lived lepton-like sector of the phenomenological minimal supersymmetric standard model (pMSSM) and the anomaly-mediated supersymmetry breaking (AMSB) model. The limits are derived from ...

Evidence for transverse-momentum- and pseudorapidity-dependent event-plane fluctuations in PbPb and pPb collisions

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; e.a. (American Physical Society, 2015-09)

A systematic study of the factorization of long-range azimuthal two-particle correlations into a product of single-particle anisotropies is presented as a function of p[subscript T] and η of both particles and as a function ...

Jet and underlying event properties as a function of charged-particle multiplicity in proton–proton collisions at √s = 7 TeV

Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M; Tumasyan, A.; Adam, W.; e.a. (Springer Berlin Heidelberg, 2013-12)

Abstract Characteristics of multi-particle production in proton-proton collisions at √s = 7 TeV are studied as a function of the charged-particle multiplicity, N ch. The produced particles are separated into ...

Measurement of inclusive jet production and nuclear modifications in pPb collisions at √SNN = 5.02 TeV

Khachatryan, V.; Sirunyan, A. M; Tumasyan, A.; Adam, W.; Asilar, E.; e.a. (Springer Berlin Heidelberg, 2016-07)

Inclusive jet production in pPb collisions at a nucleon–nucleon (NN) center-of-mass energy of √sNN = 5.02 TeV is studied with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 30.1 ...

Measurement of Prompt ψ(2S) to J/ψ Yield Ratios in Pb-Pb and p-p Collisions at √s[subscript NN] = 2.76 TeV

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; e.a. (American Physical Society, 2014-12)

The ratio between the prompt ψ(2S) and J/ψ yields, reconstructed via their decays into μ[superscript +]μ[superscript -], is measured in Pb-Pb and p-p collisions at √s[subscript NN] = 2.76 TeV. The analysis is based on ...

Measurement of the differential cross section for top quark pair production in pp collisions at √s = 8 TeV

Khachatryan, V.; Sirunyan, A. M; Tumasyan, A.; Adam, W.; Bergauer, T.; e.a. (Springer Berlin Heidelberg, 2015-11)

The normalized differential cross section for top quark pair (t[bar over t]) production is measured in pp collisions at a centre-of-mass energy of 8 TeV at the CERN LHC using the CMS detector in data corresponding to an ...

Measurement of the W+W− cross section in pp collisions at $\sqrt{s} = 7\mbox{ TeV}$ and limits on anomalous WWγ and WWZ couplings

Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M; Tumasyan, A.; Adam, W.; e.a. (Springer Berlin Heidelberg, 2013-10)

A measurement of W+W− production in pp collisions at √s = 7 TeV is presented. The data were collected with the CMS detector at the LHC, and correspond to an in- tegrated luminosity of 4.92 ± 0.11 fb−¹. The W+W− candidates ...

Measurements of the ZZ production cross sections in the 2l2ν channel in proton–proton collisions at √s = 7 and 8 TeV and combined constraints on triple gauge couplings

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; e.a. (Springer-Verlag, 2015-10)

Observation of a new boson with mass near 125 GeV in pp collisions at √s =7 and 8 TeV

Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; e.a. (Springer-Verlag/SISSA, 2013-06)

A detailed description is reported of the analysis used by the CMS Collaboration in the search for the standard model Higgs boson in pp collisions at the LHC, which led to the observation of a new boson. The data sample ...

Production of leading charged particles and leading charged-particle jets at small transverse momenta in pp collisions at √s = 8 TeV

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; e.a. (American Physical Society, 2015-12)

The per-event yield of the highest transverse momentum charged particle and charged-particle jet, integrated above a given p[min over T] threshold starting at p[min over T] = 0.8 and 1 GeV, respectively, is studied in pp ...

Search for Displaced Supersymmetry in Events with an Electron and a Muon with Large Impact Parameters

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; e.a. (American Physical Society, 2015-02)

A search for new long-lived particles decaying to leptons is presented using proton-proton collisions produced by the LHC at √s = 8 TeV. Data used for the analysis were collected by the CMS detector and correspond to an ...

Search for long-lived neutral particles decaying to quark-antiquark pairs in proton-proton collisions at √s = 8 TeV

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; e.a. (American Physical Society, 2015-01)

A search is performed for long-lived massive neutral particles decaying to quark-antiquark pairs. The experimental signature is a distinctive topology of a pair of jets, originating at a secondary vertex. Events were ...

Search for long-lived particles that decay into final states containing two electrons or two muons in proton-proton collisions at √s = 8 TeV

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; e.a. (American Physical Society, 2015-03)

A search is performed for long-lived particles that decay into final states that include a pair of electrons or a pair of muons. The experimental signature is a distinctive topology consisting of a pair of charged leptons ...

Search for massive WH resonances decaying into the ℓνb[bar over b] final state at √s = 8 TeV

Khachatryan, V.; Sirunyan, A. M; Tumasyan, A.; Adam, W.; Asilar, E.; e.a. (Springer Berlin Heidelberg, 2016-04)

A search for a massive resonance W′ decaying into a W and a Higgs boson in the ℓνb[bar over b] (ℓ=e, μ) final state is presented. Results are based on data corresponding to an integrated luminosity of 19.7 fb[superscript ...

Search for microscopic black holes in pp collisions at √s=8 TeV

Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M; Tumasyan, A.; Adam, W.; e.a. (Springer Berlin Heidelberg, 2013-07)

A search for microscopic black holes and string balls is presented, based on a data sample of pp collisions at √s=8 TeV recorded by the CMS experiment at the Large Hadron Collider and corresponding to an integrated ...

Search for physics beyond the standard model in final states with a lepton and missing transverse energy in proton-proton collisions at √s = 8 TeV

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; e.a. (American Physical Society, 2015-05)

A search for new physics in proton-proton collisions having final states with an electron or muon and missing transverse energy is presented. The analysis uses data collected in 2012 with the CMS detector, at an LHC ...

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