CERN Accelerating science

CERN Document Server 1,061 records found  1 - 10nextend  jump to record: Search took 0.56 seconds. 
1.
Hyperon signatures in the PANDA experiment at FAIR / PANDA Collaboration
We present a detailed simulation study of the signatures from the sequential decays of the triple-strange pbar p -> Ω+Ω- -> K+ΛbarK- Λ -> K+pbarπ+K-pπ- process in the PANDA central tracking system with focus on hit patterns and precise time measurement. [...]
arXiv:2304.11977.
- 29 p.
Fulltext
2.
Measurement of the Drell-Yan forward-backward asymmetry at high dilepton masses in proton-proton collisions at $\sqrt{s} = $ 13 TeV / CMS Collaboration
A measurement of the forward-backward asymmetry of pairs of oppositely charged leptons (dimuons and dielectrons) produced by the Drell-Yan process in proton-proton collisions is presented. The data sample corresponds to an integrated luminosity of 138 fb$^{-1}$ collected with the CMS detector at the LHC at a center-of-mass energy of 13 TeV. [...]
arXiv:2202.12327; CMS-SMP-21-002; CERN-EP-2022-013; CMS-SMP-21-002-003.- Geneva : CERN, 2022-08-04 - 52 p. - Published in : JHEP 2022 (2022) 063 Fulltext: jt - PDF; CMS-SMP-21-002-arXiv - PDF; 2202.12327 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
3.
Search for Higgs boson pair production in the four b quark final state in proton-proton collisions at $\sqrt{s} = $ 13 TeV / CMS Collaboration
A search for pairs of Higgs bosons produced via gluon and vector boson fusion is presented, focusing on the four b quark final state. The data sample consists of proton-proton collisions at a center-of-mass energy of 13 TeV, collected with the CMS detector at the LHC, and corresponds to an integrated luminosity of 138 fb$^{-1}$. [...]
arXiv:2202.09617; CMS-HIG-20-005; CERN-EP-2022-004; CMS-HIG-20-005-003.- Geneva : CERN, 2022-08-18 - 20 p. - Published in : Phys. Rev. Lett. 129 (2022) 081802 Fulltext: jt - PDF; 2202.09617 - PDF; CMS-HIG-20-005-arXiv - PDF; PhysRevLett.129.081802 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
4.
Search for invisible decays of the Higgs boson produced via vector boson fusion in proton-proton collisions at $\sqrt{s} = $ 13 TeV / CMS Collaboration
A search for invisible decays of the Higgs boson produced via vector boson fusion (VBF) has been performed with 101 fb$^{-1}$ of proton-proton collisions delivered by the LHC at $\sqrt{s} = $ 13 TeV and collected by the CMS detector in 2017 and 2018. The sensitivity to the VBF production mechanism is enhanced by constructing two analysis categories, one based on missing transverse momentum, and a second based on the properties of jets. [...]
arXiv:2201.11585; CMS-HIG-20-003; CERN-EP-2021-273; CMS-HIG-20-003-003.- Geneva : CERN, 2022-05-20 - 82 p. - Published in : Phys. Rev. D 105 (2022) 092007 Fulltext: jt - PDF; CMS-HIG-20-003-arXiv - PDF; 2201.11585 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
5.
Observation of B$^0$$\to$$\psi$(2S)K$^0_\mathrm{S}\pi^+\pi^-$ and B$^0_\mathrm{S}$$\to$$\psi$(2S)K$^0_\mathrm{S}$ decays / CMS Collaboration
Using a data sample of $\sqrt{s} = $ 13 TeV proton-proton collisions collected by the CMS experiment at the LHC in 2017 and 2018 with an integrated luminosity of 103 fb$^{-1}$, the ${{\mathrm{B^{0}_{s}}} \to\psi(\text{2S}) {{\mathrm{K^0_S}}} }$ and ${{\mathrm{B}^{0}} \to\psi(\text{2S}) {{\mathrm{K^0_S}}}\pi^{+}\pi^{-}}$ decays are observed with significances exceeding 5 standard deviations. The resulting branching fraction ratios, measured for the first time, correspond to ${\mathcal{B}} ({{\mathrm{B^{0}_{s}}} \to\psi(\text{2S}) {{\mathrm{K^0_S}}} } )/{\mathcal{B}} ({{\mathrm{B}^{0}} \to\psi(\text{2S}) {{\mathrm{K^0_S}}} } ) = $ (3.33 $\pm$ 0.69 (stat) $\pm$ 0.11 (syst) $\pm$ 0.34 (${f_\mathrm{s}/f_\mathrm{d}} $)) $\times$ 10$^{-2}$ and ${\mathcal{B}} ({{\mathrm{B}^{0}} \to\psi(\text{2S}) {{\mathrm{K^0_S}}}\pi^{+}\pi^{-}})/{\mathcal{B}} ({{\mathrm{B}^{0}} \to\psi(\text{2S}) {{\mathrm{K^0_S}}} } ) = $ 0.480 $\pm$ 0.013 (stat) $\pm$ 0.032 (syst), where the last uncertainty in the first ratio is related to the uncertainty in the ratio of production cross sections of ${\mathrm{B^{0}_{s}}} $ and ${\mathrm{B}^{0}} $ mesons, ${f_\mathrm{s}/f_\mathrm{d}} $..
arXiv:2201.09131; CMS-BPH-18-004; CERN-EP-2021-271; CMS-BPH-18-004-003.- 2022-05-31 - 34 p. - Published in : Eur. Phys. J. C 82 (2022) 499 Fulltext: jt - PDF; BPH-18-004-arXiv - PDF; 2201.09131 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
6.
Precision measurement of the W boson decay branching fractions in proton-proton collisions at $\sqrt{s} = $ 13 TeV / CMS Collaboration
The leptonic and inclusive hadronic decay branching fractions of the W boson are measured using proton-proton collision data collected at $\sqrt{s} = $ 13 TeV by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of 35.9 fb$^{-1}$. Events characterized by the production of one or two W bosons are selected and categorized based on the multiplicity and flavor of reconstructed leptons, the number of jets, and the number of jets identified as originating from the hadronization of b quarks. [...]
arXiv:2201.07861; CMS-SMP-18-011; CERN-EP-2021-240; CMS-SMP-18-011-003.- Geneva : CERN, 2022-04-01 - 31 p. - Published in : Phys. Rev. D Fulltext: jt - PDF; 2201.07861 - PDF; CMS-SMP-18-011-arXiv - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
7.
Measurement of the inclusive and differential t$ \overline{t} $γ cross sections in the dilepton channel and effective field theory interpretation in proton-proton collisions at $ \sqrt{s} $ = 13 TeV / CMS Collaboration
The production cross section of a top quark pair in association with a photon is measured in proton-proton collisions in the decay channel with two oppositely charged leptons (e$^\pm\mu^\mp$, e$^+$e$^-$, or $\mu^+\mu^-$). The measurement is performed using 138 fb$^{-1}$ of proton-proton collision data recorded by the CMS experiment at $\sqrt{s} =$ 13 TeV during the 2016-2018 data-taking period of the CERN LHC. [...]
arXiv:2201.07301; CMS-TOP-21-004; CERN-EP-2021-192.- Geneva : CERN, 2022-05-16 - 59 p. - Published in : JHEP 2205 (2022) 091 Fulltext: 2201.07301 - PDF; fermilab-pub-22-029-cms - PDF; CMS-TOP-21-004-arXiv - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
8.
Search for higgsinos decaying to two Higgs bosons and missing transverse momentum in proton-proton collisions at $\sqrt{s} = $ 13 TeVSearch for higgsinos decaying to two Higgs bosons and missing transverse momentum in proton-proton collisions at $ \sqrt{s} $ = 13 TeV / CMS Collaboration
Results are presented from a search for physics beyond the standard model in proton-proton collisions at $\sqrt{s} = $ 13 TeV in channels with two Higgs bosons, each decaying via the process H $\to\mathrm{b\bar{b}}$, and large missing transverse momentum. The search uses a data sample corresponding to an integrated luminosity of 137 fb$^{-1}$ collected by the CMS experiment at the CERN LHC. [...]
arXiv:2201.04206; CMS-SUS-20-004; CERN-EP-2021-214; CMS-SUS-20-004-003.- Geneva : CERN, 2022-05-03 - 62 p. - Published in : JHEP 2205 (2022) 014 Fulltext: fermilab-pub-22-023-cms - PDF; 2201.04206 - PDF; CMS-SUS-20-004-arXiv - PDF; Publication - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
9.
Search for single production of a vector-like T quark decaying to a top quark and a Z boson in the final state with jets and missing transverse momentum at $ \sqrt{s} $ = 13 TeV / CMS Collaboration
A search is presented for single production of a vector-like T quark with charge 2/3e, in the decay channel featuring a top quark and a Z boson, with the top quark decaying hadronically and the Z boson decaying to neutrinos. The search uses data collected by the CMS experiment in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 137 fb$^{-1}$ recorded at the CERN LHC in 2016-2018. [...]
arXiv:2201.02227; CMS-B2G-19-004; CERN-EP-2021-115; CMS-B2G-19-004-003.- Geneva : CERN, 2022-05-16 - 46 p. - Published in : JHEP 2205 (2022) 093 Fulltext: 2201.02227 - PDF; CMS-B2G-19-004-arXiv - PDF; fermilab-pub-22-016-cms - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
10.
Search for long-lived particles decaying into muon pairs in proton-proton collisions at $ \sqrt{s} $ = 13 TeV collected with a dedicated high-rate data stream / CMS Collaboration
A search for long-lived particles decaying into muon pairs is performed using proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS experiment at the LHC in 2017 and 2018, corresponding to an integrated luminosity of 101 fb$^{-1}$. The data sets used in this search were collected with a dedicated dimuon trigger stream with low transverse momentum thresholds, recorded at high rate by retaining a reduced amount of information, in order to explore otherwise inaccessible phase space at low dimuon mass and nonzero displacement from the primary interaction vertex. [...]
arXiv:2112.13769; CMS-EXO-20-014; CERN-EP-2021-266; CMS-EXO-20-014-003.- Geneva : CERN, 2022-04-11 - 42 p. - Published in : JHEP 2204 (2022) 062 Fulltext: Article from SCOAP3 - PDF; fermilab-pub-22-005-cms - PDF; CMS-EXO-20-014-arXiv - PDF; 2112.13769 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server

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