H. Gamsizkan

Measurement of the Ratio B ( B[subscript s][superscript 0] → J/ψf[subscript 0] (980))/B(B[subscript s][superscript 0] → J/ψϕ(1020)) in Pp Collisions at √s = 7 TeV

V. Khachatryan, A.M. Sirunyan, A. Tumasyan, W. Adam et autres

Measurements of the $$\mathrm{Z}$$ Z $$\mathrm{Z}$$ Z production cross sections in the $$2\mathrm{l} 2\nu $$ 2 l 2 ν channel in proton–proton collisions at $$\sqrt{s} = 7$$ s = 7 and $$8~\mathrm{TeV} $$ 8 TeV and combined constraints on triple gauge couplings

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

Measurements of the [Formula: see text][Formula: see text] production cross sections in proton-proton collisions at center-of-mass energies of 7 and 8[Formula: see text] are presented. Candidate events for the leptonic decay mode [Formula: see text], where [Formula: see text] denotes an electron …

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

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

Differential cross sections as a function of transverse momentum p T are presented for the production of ϒ ( n S ) ( n = 1, 2, 3) states decaying into a pair of muons. Data corresponding to an integrated luminosity of …

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Measurement of diffractive dissociation cross sections in pp collisions at s=7 TeV

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

Measurements of diffractive dissociation cross sections in $pp$ collisions at $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$ are presented in kinematic regions defined by the masses ${M}_{X}$ and ${M}_{Y}$ of the two final-state hadronic systems separated by the largest rapidity gap in the event. Differential cross …

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Search for dark matter, extra dimensions, and unparticles in monojet events in proton–proton collisions at $$\sqrt{s} = 8$$ s = 8 $$\,{\mathrm{TeV}}\,$$ TeV

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

Results are presented from a search for particle dark matter (DM), extra dimensions, and unparticles using events containing a jet and an imbalance in transverse momentum. The data were collected by the CMS detector in proton-proton collisions at the LHC and correspond …

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Search for physics beyond the standard model in dilepton mass spectra in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

Dimuon and dielectron mass spectra, obtained from data resulting from proton-proton collisions at 8 TeV and recorded by the CMS experiment, are used to search for both narrow resonances and broad deviations from standard model predictions. The data correspond to an integrated …

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Search for decays of stopped long-lived particles produced in proton–proton collisions at $$\sqrt{s}= 8\,\text {TeV} $$ s = 8 TeV

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

A search has been performed for long-lived particles that could have come to rest within the CMS detector, using the time intervals between LHC beam crossings. The existence of such particles could be deduced from observation of their decays via energy deposits …

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Measurement of electroweak production of two jets in association with a Z boson in proton–proton collisions at $$\sqrt{s}=8\,\text {TeV}$$ s = 8 TeV

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

The purely electroweak (EW) cross section for the production of two jets in association with a Z boson, in proton-proton collisions at [Formula: see text], is measured using data recorded by the CMS experiment at the CERN LHC, corresponding to an integrated …

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Measurement of the ratio of the production cross sections times branching fractions of B c ± → J/ψπ ± and B± → J/ψK ± and ℬ B c ± → J / ψ π ± π ± π ∓ / ℬ B c ± → J / ψ π ± $$ \mathrm{\mathcal{B}}\left({\mathrm{B}}_{\mathrm{c}}^{\pm}\to \mathrm{J}/\psi {\pi}^{\pm }{\pi}^{\pm }{\pi}^{\mp}\right)/\mathrm{\mathcal{B}}\left({\mathrm{B}}_{\mathrm{c}}^{\pm}\to \mathrm{J}/\psi {\pi}^{\pm}\right) $$ in pp collisions at s = 7 $$ \sqrt{s}=7 $$ TeV

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

The ratio of the production cross sections times branching fractions $\left(\sigma \left({\mathrm{B}}_{\mathrm{c}}^{\pm}\right)\mathrm{\mathcal{B}}\left({\mathrm{B}}_{\mathrm{c}}^{\pm}\to \mathrm{J}/\psi {\pi}^{\pm}\right)\right)/\left(\sigma \left({\mathrm{B}}^{\pm}\right)\mathrm{\mathcal{B}}\left({\mathrm{B}}^{\pm}\to \mathrm{J}/\psi {K}^{\pm}\right)\right)$ is studied in proton-proton collisions at a center-of-mass energy of 7 TeV with the CMS detector at the LHC. The kinematic region investigated requires B$_c^{\pm}$ …

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

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

The normalized differential cross section for top quark pair (tt¯) production is measured in pp collisions at a centre-of-mass energy of 8TeV at the CERN LHC using the CMS detector in data corresponding to an integrated luminosity of 19.7fb-1. The measurements are …

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

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

The ratio between the prompt $\ensuremath{\psi}(2S)$ and $J/\ensuremath{\psi}$ yields, reconstructed via their decays into ${\ensuremath{\mu}}^{+}{\ensuremath{\mu}}^{\ensuremath{-}}$, is measured in Pb-Pb and $p$-$p$ collisions at $\sqrt{{s}_{NN}}=2.76\text{ }\text{ }\mathrm{TeV}$. The analysis is based on Pb-Pb and $p$-$p$ data samples collected by CMS at the Large …

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CMS Collaboration

S. Chatrchyan, V. Khachatryan, A.M. Sirunyan, A. Tumasyan et autres

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