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  1. Article

    Open Access

    Evidence for the 125 GeV Higgs boson decaying to a pair of τ leptons

    A search for a standard model Higgs boson decaying into a pair of τ leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosit...

    S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan in Journal of High Energy Physics (2014)

  2. Article

    Open Access

    Measurements of the \( \mathrm{t}\overline{\mathrm{t}} \) charge asymmetry using the dilepton decay channel in pp collisions at \( \sqrt{s} \) = 7 TeV

    The \( \mathrm{t}\overline{\mathrm{t}} \) charge asymmetry in proton-proton collisions at

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  3. Article

    Open Access

    Event activity dependence of \( Y \) (nS) production in \( \sqrt{{{s_{NN }}}} \) = 5.02 TeV pPb and \( \sqrt{s} \) = 2.76 TeV pp collisions

    The production of \( Y \) (1S), \( Y \) ...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  4. Article

    Open Access

    Measurement of the top-quark mass in all-jets \(\hbox {t}\bar{\mathrm{t}}\) events in pp collisions at \(\sqrt{s}=7\) TeV

    The mass of the top quark is measured using a sample of \(\hbox {t}\bar{\mathrm{t}}\) ...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in The European Physical Journal C (2014)

  5. Article

    Open Access

    Erratum: Search for anomalous \( t\overline{t} \) production in the highly-boosted all-hadronic final state

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  6. Article

    Open Access

    Study of double parton scattering using W + 2-jet events in proton-proton collisions at \( \sqrt{s} \) = 7 TeV

    Double parton scattering is investigated in proton-proton collisions at \( \sqrt{s} \) = 7 TeV where the final state in...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  7. Article

    Open Access

    Erratum: Measurement of the \( \mathrm{t}\overline{\mathrm{t}} \) production cross section in the dilepton channel in pp collisions at \( \sqrt{s} \) = 8 TeV

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  8. Article

    Open Access

    Studies of azimuthal dihadron correlations in ultra-central PbPb collisions at \( \sqrt{{{s_{NN }}}} \) =2.76 TeV

    Azimuthal dihadron correlations of charged particles have been measured in PbPb collisions at \( \sqrt{{{s_{NN }}}} \)  ...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  9. Article

    Open Access

    Measurement of the \( t\overline{t} \) production cross section in the dilepton channel in pp collisions at \( \sqrt{s} \) = 8 TeV

    The top-antitop quark ( \( t\overline{t} \) ) production cross section is measured in proton-proton collisions at ...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  10. Article

    Open Access

    Measurement of associated W + charm production in pp collisions at \( \sqrt{s} \) = 7 TeV

    Measurements are presented of the associated production of a W boson and a charm-quark jet (W + c) in pp collisions at a center-of-mass energy of 7 TeV. The analysis is conducted with a data sample correspondi...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  11. Article

    Open Access

    Search for new physics in events with same-sign dileptons and jets in pp collisions at \( \sqrt{s} \) = 8 TeV

    A search for new physics is performed based on events with jets and a pair of isolated, same-sign leptons. The results are obtained using a sample of proton-proton collision data collected by the CMS experimen...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  12. Article

    Open Access

    Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states

    A search for the standard model Higgs boson decaying to a W-boson pair at the LHC is reported. The event sample corresponds to an integrated luminosity of 4.9 fb−1 and 19.4 fb−1 collected with the CMS detector in...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2014)

  13. Article

    Open Access

    Jet and underlying event properties as a function of charged-particle multiplicity in proton–proton collisions at \(\sqrt {s}= 7\ \text{TeV}\)

    Characteristics of multi-particle production in proton-proton collisions at \(\sqrt{s}=7\ \mbox{TeV}\) are studied as a function ...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in The European Physical Journal C (2013)

  14. Article

    Open Access

    Measurement of the cross section and angular correlations for associated production of a Z boson with b hadrons in pp collisions at \( \sqrt{s} \) = 7 TeV

    A study of proton-proton collisions in which two b hadrons are produced in association with a Z boson is reported. The collisions were recorded at a centre-of-mass energy of 7 TeVwith the CMS detector at the L...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2013)

  15. Article

    Open Access

    Measurement of the differential and double-differential Drell-Yan cross sections in proton-proton collisions at \( \sqrt{s} \) = 7 TeV

    Measurements of the differential and double-differential Drell-Yan cross sections are presented using an integrated luminosity of 4.5 (4.8) fb−1 in the dimuon (dielectron) channel of proton-proton collision data ...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2013)

  16. Article

    Open Access

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

    A measurement of W+W production in pp collisions at \(\sqrt{s} = 7~\mathrm{TeV}\) is presented. The data were collected with the...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in The European Physical Journal C (2013)

  17. Article

    Open Access

    Measurement of the production cross section for \( \mathrm{Z}\gamma \to \nu \overline{\nu}\gamma \) in pp collisions at \( \sqrt{s} = 7 \) TeV and limits on ZZγ and Zγγ triple gauge boson couplings

    A measurement of the \( \mathrm{Z}\gamma \to \nu \overline{\nu}\gamma \) cross section in pp collisions at

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2013)

  18. Article

    Open Access

    Measurement of the W-boson helicity in top-quark decays from \( \mathrm{t}\overline{\mathrm{t}} \) production in lepton+jets events in pp collisions at \( \sqrt{s}=7 \) TeV

    The W-boson helicity fractions in top-quark decays are measured with \( \mathrm{t}\overline{\mathrm{t}} \) events in the lepton+j...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2013)

  19. Article

    Open Access

    Measurement of the hadronic activity in events with a Z and two jets and extraction of the cross section for the electroweak production of a Z with two jets in pp collisions at \( \sqrt{s}=7 \) TeV

    The first measurement of the electroweak production cross section of a Z boson with two jets (Zjj) in pp collisions at \( \sqrt{s}=7 \) ...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in Journal of High Energy Physics (2013)

  20. Article

    Open Access

    Search for supersymmetry in hadronic final states with missing transverse energy using the variables α T and b-quark multiplicity in pp collisions at \(\sqrt{s} = 8\ \mathrm{TeV}\)

    An inclusive search for supersymmetric processes that produce final states with jets and missing transverse energy is performed in pp collisions at a centre-of-mass energy of 8 TeV. The data sample corresponds...

    S. Chatrchyan, V. Khachatryan, A. M. Sirunyan in The European Physical Journal C (2013)

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