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CMS Physics Analysis Summaries

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2017-02-07
17:04
Charge asymmetry dependence of elliptic and triangular flow in pPb and PbPb collisions at $\sqrt{s_{_{NN}}} = 5.02~\mathrm{TeV}$ /CMS Collaboration
Charge dependent elliptic azimuthal anisotropy ($v_{\rm 2}$) in pPb and both $v_{\rm 2}$ and triangular azimuthal anisotropy ($v_{\rm 3}$) in PbPb collisions are measured at $\sqrt{s_{_{NN}}} = 5.02~\mathrm{TeV}$ with the CMS detector at the LHC. The normalized difference of $v_{\rm 2}$ between positively and negatively charged particles, ($v_{\rm 2}^{-}-v_{\rm 2}^{+}$)/($v_{\rm 2}^{-}+v_{\rm 2}^{+}$), shows a linear dependence with respect to the event-charged asymmetry $A_{\rm ch}$, with comparable slopes observed for pPb and PbPb collisions at similar multiplicities. [...]
CMS-PAS-HIN-16-017.- Geneva : CERN, 2017 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004: PDF; Figure_005: PDF; Fulltext in PDF: PDF;

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2017-02-07
16:54
Measurement of Nuclear Modification Factors of $\Upsilon\textrm{(nS)}$ Mesons in $\text{PbPb}$ Collisions at $\sqrt{s_{_{\text{NN}}}} = 5.02~\mathrm{TeV}$ /CMS Collaboration
The cross sections of $\Upsilon\textrm{(1S)}$, $\Upsilon\textrm{(2S)}$, and $\Upsilon\textrm{(3S)}$ production in PbPb and pp collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02~\mathrm{TeV}$ are reported. The nuclear modification factors, $R_\mathrm{AA}$, derived from the PbPb-to-pp ratio of yields for each state, are studied as a function of rapidity, transverse momentum and centrality. [...]
CMS-PAS-HIN-16-023.- Geneva : CERN, 2017 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005: PDF; Fulltext in PDF: PDF;

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2017-02-07
16:39
Correlations of azimuthal anisotropy harmonics in pp, pPb and PbPb collisions at the LHC /CMS Collaboration
The first measurements of anisotropy harmonics ($v_n$, $n=2-4$) in $\text{pPb}$ collisions at $\sqrt{s_{_{NN}}} = 8.16~\mathrm{TeV}$ is presented. In addition, measurements of event-by-event correlations of different $v_n$ in $\text{pp}$ at $\sqrt{s} = 13~\mathrm{TeV}$, $\text{pPb}$ at $\sqrt{s_{_{NN}}} = 5.02$ and $8.16~\mathrm{TeV}$ and $\text{PbPb}$ at $\sqrt{s_{_{NN}}} = 5.02~\mathrm{TeV}$ collision systems at the LHC are explored. [...]
CMS-PAS-HIN-16-022.- Geneva : CERN, 2017 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Fulltext in PDF: PDF;

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2017-02-07
16:23
Jet properties in PbPb and pp collisions at $\sqrt{s_{NN}} = 5.02~\mathrm{TeV}$ /CMS Collaboration
Modifications to high transverse momentum ($p_{\rm T}$) jets in the quark gluon plasma (QGP) are studied in PbPb and pp collisions at $\sqrt{s_{NN}} = 5.02~\mathrm{TeV}$ via correlations between jets with $p_{\rm T} > 120~~\mathrm{GeV}$ and charged particles with $p_{\rm T} > 0.7~\mathrm{GeV}$. This measurement aims to extend results of the same correlations at $\sqrt{s_{NN}} = 2.76~\mathrm{TeV}$, which observed significant modification of jet track correlations out to large distances from the jet axis in central PbPb events. [...]
CMS-PAS-HIN-16-020.- Geneva : CERN, 2016 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005: PDF; Fulltext in PDF: PDF;

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2017-02-07
16:15
Measurement of the Skewness of Elliptic Flow Fluctuations in PbPb Collisions at $\sqrt{s_{NN}} = 5.02~\mathrm{TeV}$ /CMS Collaboration
Event-by-event flow harmonics are studied for PbPb collisions at $\sqrt{s_{NN}} = 5.02~\mathrm{TeV}$ using the CMS detector at the LHC. Flow harmonic probability distributions $p\left(v_2\right)$ are obtained using particles of $0.3 \leq p_{T} \leq 3.0~\mathrm{GeV}/c$ and $\left|\eta\right| \leq 1.0$ and are unfolded to remove smearing effects from observed azimuthal particle distributions. [...]
CMS-PAS-HIN-16-019.- Geneva : CERN, 2017 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005: PDF; Figure_006: PDF; Fulltext in PDF: PDF;

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2017-02-07
15:51
Measurement of mixed higher order flow harmonics in PbPb collisions /CMS Collaboration
The mixed higher order flow harmonics and nonlinear response coefficients of charged particles are measured for the first time as a function of $p_{\rm{T}}$ and centrality in PbPb collisions at $\sqrt{s_{NN}} = 2.76~\mathrm{TeV}$ and $5.02~\mathrm{TeV}$ with the CMS detector. The results are obtained using the scalar product method, and cover a $p_{\rm{T}}$ range from $0.3~\mathrm{GeV}/c$ to $8.0~\mathrm{GeV}/c$, pseudorapidity $|\eta| < 2.4$, and a centrality range of $0-60\%$. [...]
CMS-PAS-HIN-16-018.- Geneva : CERN, 2017 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005: PDF; Figure_006: PDF; Fulltext in PDF: PDF;

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2017-02-07
14:38
Measurement of $\psi(2S)$ production in proton-lead and proton-proton collisions at $\sqrt{s_{NN}} = 5.02~\mathrm{TeV}$ /CMS Collaboration
This note reports the measurement of prompt $\psi$(2S) production in proton-lead (pPb) and proton-proton (pp) collisions at $\sqrt{s_{NN}} = 5.02~\mathrm{TeV}$. The results are based on pPb and pp data samples collected by CMS at the LHC corresponding to an integrated luminosity of 34.6 nb$^{-1}$ and 28.0 pb$^{-1}$ respectively. [...]
CMS-PAS-HIN-16-015.- Geneva : CERN, 2017 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_003-d: PDF; Fulltext in PDF: PDF;

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2017-01-30
00:38
Search for new diboson resonances in the dilepton + jets final state at $\sqrt{s} = 13~\mathrm{TeV}$ with 2016 data /CMS Collaboration
We present a search for new resonances decaying to a pair of Z bosons where one boson decays hadronically and the other decays into two charged leptons. Results are based on proton-proton collision data corresponding to an integrated luminosity of $12.9~\mathrm{fb}^{-1}$, collected by the CMS experiment at the CERN LHC at a centre-of-mass energy of $13~\mathrm{TeV}$. [...]
CMS-PAS-HIG-16-034.- Geneva : CERN, 2017 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_002-d: PDF; Figure_002-e: PDF; Figure_002-f: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Fulltext in PDF: PDF;

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2017-01-25
14:47
A search for doubly-charged Higgs boson production in three and four lepton final states at $\sqrt{s}=13~\mathrm{TeV}$ /CMS Collaboration
A search for a doubly-charged Higgs boson, $\Phi^{\pm\pm}$, in proton-proton collisions at $\sqrt{s} = 13~\mathrm{TeV}$ with the CMS experiment at the LHC using a data sample corresponding to an integrated luminosity of $12.9~\mathrm{fb}^{-1}$ is presented. The search considers final states with three lepton final states coming from the associated production of $\Phi^{\pm\pm}\Phi^{\mp}$ and the four lepton final states coming from the pair production of $\Phi^{++}\Phi^{--}$. [...]
CMS-PAS-HIG-16-036.- Geneva : CERN, 2017 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_002-d: PDF; Figure_002-e: PDF; Figure_002-f: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_003-d: PDF; Figure_003-e: PDF; Figure_003-f: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_004-d: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_005-d: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: PDF; Figure_006-d: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_007-c: PDF; Figure_007-d: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_008-c: PDF; Figure_008-d: PDF; Figure_009: PDF; Fulltext in PDF: PDF;

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2017-01-25
14:46
Search for heavy resonances decaying into a $\mathrm{Z}$ boson and a $\mathrm{W}$ boson in the $\ell^+\ell^-\mathrm{q}\bar{\mathrm{q}}$ final state /CMS Collaboration
A search for heavy resonances decaying into a pair of vector bosons is performed in the $2\ell2\mathrm{q}$ final state using $12.9~\mathrm{fb}^{-1}$ of data collected in 2016 by the CMS experiment at the LHC in proton-proton collisions with a center-of-mass energy of $\sqrt{s}=13~\mathrm{TeV}$. The final state probed involves the leptonic decay of a $\mathrm{Z}$ boson ($\mathrm{Z} \to \ell \ell$, with $\ell = \mathrm{e},\mu$), while the other vector boson $\mathrm{W}$ is reconstructed from high-momentum quark pairs detected as a single massive jet. [...]
CMS-PAS-B2G-16-022.- Geneva : CERN, 2017 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_004-d: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_005-d: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: PDF; Figure_006-d: PDF; Figure_007: PDF; Fulltext: PDF;

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