Search results for: S. Frosali

Items from 1 to 20 out of 196 results

article

Observation of a peaking structure in the J/ψϕ mass spectrum from B±→J/ψϕK± decays

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2014 > 734 > Complete > 261-281

article

Search for baryon number violation in top-quark decays

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2014 > 731 > Complete > 173-196

article

Study of the production of charged pions, kaons, and protons in pPb collisions at $$\sqrt{s_{NN}} =\; $$ s N N = 5.02 $$\,\text {TeV}$$ TeV

The CMS Collaboration, S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, more

The European Physical Journal C > 2014 > 74 > 6 > 1-27

Spectra of identified charged hadrons are measured in pPb collisions with the CMS detector at the LHC at $$\sqrt{s_{NN}} =5.02\,\text {TeV} $$ s N N = 5.02 TeV . Charged pions, kaons, and protons in the transverse-momentum range $$p_{\mathrm {T}} \approx 0.1$$ p T ≈ 0.1 –1.7 $${\,\text {GeV/}c}$$ GeV/ c and laboratory rapidity $$|y | < 1$$ | y | <...

article

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

The CMS collaboration, S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, more

Journal of High Energy Physics > 2014 > 2014 > 2 > 1-63

Abstract 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 corresponding to a total integrated luminosity of 5 fb⁻¹, collected by the CMS detector at the LHC. W boson candidates are identified by their decay into a charged lepton (muon or electron) and...

article

Probing color coherence effects in pp collisions at $$\sqrt{s}=7\,\text {TeV} $$ s = 7 TeV

The CMS Collaboration, S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, more

The European Physical Journal C > 2014 > 74 > 6 > 1-22

A study of color coherence effects in pp collisions at a center-of-mass energy of 7 $$\,\text {TeV}$$ TeV is presented. The data used in the analysis were collected in 2010 with the CMS detector at the LHC and correspond to an integrated luminosity of 36 pb $$^{-1}$$ - 1 . Events are selected that contain at least three jets and where the two jets with the largest transverse...

article

Measurement of the production cross sections for a Z boson and one or more b jets in pp collisions at s $$ \sqrt{s} $$ = 7 TeV

The CMS collaboration, S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, more

Journal of High Energy Physics > 2014 > 2014 > 6 > 1-39

Abstract The production of a Z boson, decaying into two leptons and produced in association with one or more b jets, is studied using proton-proton collisions delivered by the LHC at a centre-of-mass energy of 7 TeV. The data were recorded in 2011 with the CMS detector and correspond to an integrated luminosity of 5 fb⁻¹. The Z(ℓℓ) + b-jets cross sections (where ℓℓ = μμ or ee) are measured separately...

article

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

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan, more

The European Physical Journal C > 2014 > 74 > 4 > 1-23

The mass of the top quark is measured using a sample of $$\hbox {t}\bar{\mathrm{t}}$$ t t ¯ candidate events with at least six jets in the final state. The sample is selected from data collected with the CMS detector in pp collisions at $$\sqrt{s}=7$$ s = 7 TeV in 2011 and corresponds to an integrated luminosity of 3.54 $$\hbox {fb}^{-1}$$ fb - 1 . The mass...

article

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

The CMS collaboration, S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, more

Journal of High Energy Physics > 2014 > 2014 > 3 > 1-18

article

Search for pair production of excited top quarks in the lepton + jets final state

The CMS collaboration, S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, more

Journal of High Energy Physics > 2014 > 2014 > 6 > 1-35

Abstract A search is performed for pair-produced spin-3/2 excited top quarks t ∗ t ¯ ∗ $$ \left({\mathrm{t}}^{\ast }{\overline{\mathrm{t}}}^{\ast}\right) $$ , each decaying to a top quark and a gluon. The search uses data collected with the CMS detector from pp collisions at a center-of-mass energy of s $$ \sqrt{s} $$ = 8 TeV, selecting events that have a single isolated...

article

Measurement of the triple-differential cross section for photon + jets production in proton-proton collisions at $\sqrt{s}$ = 7 TeV

The CMS collaboration, S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, more

Journal of High Energy Physics > 2014 > 2014 > 6 > 1-35

Abstract A measurement of the triple-differential cross section, $ {{{{{\mathrm{d}}^3}\sigma }} \left/ {{\left( {\mathrm{d}\mathrm{p}_T^{\gamma}\mathrm{d}{\eta^{\gamma }}\mathrm{d}{\eta^{\mathrm{jet}}}} \right)}} \right.} $, in photon + jets final states using a data sample from proton-proton collisions at$ \sqrt{s} $= 7 TeV is presented. This sample corresponds to an integrated luminosity of 2.14 fb−1 collected by the CMS detector at the LHC. Photons and jets are reconstructed within a pseudorapidity range of |η| < 2.5, and are required to have transverse momenta in the range 40 <$ ...

article

Measurement of the prompt J/ψ and ψ(2S) polarizations in pp collisions at s=7 TeV

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2013 > 727 > 4-5 > 381-402

article

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

The CMS collaboration, S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, more

Journal of High Energy Physics > 2013 > 2013 > 12 > 1-38

Abstract 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 LHC, for an integrated luminosity of 5.2 fb⁻¹. The b hadrons are identified by means of displaced secondary vertices, without the use of reconstructed jets, permitting the study of b-hadron...

article

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

The CMS collaboration, S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, more

Journal of High Energy Physics > 2013 > 2013 > 12 > 1-62

Abstract 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 recorded with the CMS detector at the LHC at $\sqrt{s}$ = 7 TeV. The measured inclusive cross section in the Z-peak region (60–120 GeV) is σ(ℓℓ) = 986.4 ± 0.6 (stat.) ± 5.9...

article

Search for a new bottomonium state decaying to ϒ(1S)π+π− in pp collisions at s=8 TeV

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2013 > 727 > 1-3 > 57-76

article

Angular analysis and branching fraction measurement of the decay B0→K⁎0μ+μ−

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2013 > 727 > 1-3 > 77-100

article

Measurement of the ϒ(1S), ϒ(2S), and ϒ(3S) cross sections in pp collisions at s=7 TeV

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2013 > 727 > 1-3 > 101-125

article

Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2013 > 726 > 4-5 > 564-586

article

Search for a Higgs boson decaying into a Z and a photon in pp collisions at s=7 and 8 TeV

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2013 > 726 > 4-5 > 587-609

article

Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2013 > 725 > 4-5 > 243-270

article

Searches for Higgs bosons in pp collisions at s=7 and 8 TeV in the context of four-generation and fermiophobic models

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, more

Physics Letters B > 2013 > 725 > 1-3 > 36-59

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Search results for: S. Frosali

Observation of a peaking structure in the J/ψϕ mass spectrum from B±→J/ψϕK± decays

Search for baryon number violation in top-quark decays

Study of the production of charged pions, kaons, and protons in pPb collisions at $$\sqrt{s_{NN}} =\; $$ s N N = 5.02 $$\,\text {TeV}$$ TeV

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

Probing color coherence effects in pp collisions at $$\sqrt{s}=7\,\text {TeV} $$ s = 7 TeV

Measurement of the production cross sections for a Z boson and one or more b jets in pp collisions at s $$ \sqrt{s} $$ = 7 TeV

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

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

Search for pair production of excited top quarks in the lepton + jets final state

Measurement of the triple-differential cross section for photon + jets production in proton-proton collisions at $\sqrt{s}$ = 7 TeV

Measurement of the prompt J/ψ and ψ(2S) polarizations in pp collisions at s=7 TeV

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

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

Search for a new bottomonium state decaying to ϒ(1S)π+π− in pp collisions at s=8 TeV

Angular analysis and branching fraction measurement of the decay B0→K⁎0μ+μ−

Measurement of the ϒ(1S), ϒ(2S), and ϒ(3S) cross sections in pp collisions at s=7 TeV

Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states

Search for a Higgs boson decaying into a Z and a photon in pp collisions at s=7 and 8 TeV

Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV

Searches for Higgs bosons in pp collisions at s=7 and 8 TeV in the context of four-generation and fermiophobic models

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