Recent Submissions

  • Search for top squarks and dark matter particles in opposite-charge dilepton final states at s = 13 TeV 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2018-02-01)
    A search for new physics is presented in final states with two oppositely charged leptons (electrons or muons), jets identified as originating from b quarks, and missing transverse momentum (pTmiss). The search uses ...
  • A novel application of Fiber Bragg Grating (FBG) sensors in MPGD 

    Abbaneo, Duccio; Abbas, Muhammad Zaeem; Abbrescia, Marcello; Abi Akl, M.; Aboamer, O.; Acosta, Darin E.; Bhopatkar, Vallary; Hohlmann, Marcus; Mohapatra, Ajit K.; Zhang, Aiwu (2018-02-21)
    We present a novel application of Fiber Bragg Grating (FBG) sensors in the construction and characterisation of Micro Pattern Gaseous Detector (MPGD), with particular attention to the realisation of the largest triple (Gas ...
  • Orbital Characteristics of the Subdwarf-B and F V Star Binary EC 20117-4014 (=V4640 Sgr) 

    Otani, Tomomi; Oswalt, T. D.; Lynas-Gray, Anthony Eugene; Kilkenny, David; Koen, Chris; Amaral, Marc; Jordan, Riley (2018-06-01)
    Among the competing evolution theories for subdwarf-B (sdB) stars is the binary evolution scenario. EC 20117-4014 (=V4640 Sgr) is a spectroscopic binary system consisting of a pulsating sdB star and a late F main-sequence ...
  • Effects of Coronal Magnetic Field Structures on the Transport of Solar Energetic Particles 

    Zhao, Lulu L.; Zhang, Ming (2018-06-04)
    This Letter presents a model calculation of solar energetic particle (SEP) transport to test the sensitivity of the distribution of escaped SEPs in interplanetary space and dependence upon the details of the magnetic field ...
  • Search for vectorlike light-flavor quark partners in proton-proton collisions at ffiffi s p = 8 TeV 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, Francisco (2018-04-11)
    A search is presented for heavy vectorlike quarks (VLQs) that couple only to light quarks in proton-proton collisions at s=8 TeV at the LHC. The data were collected by the CMS experiment during 2012 and correspond to an ...
  • Measurement of the Λb polarization and angular parameters in Λb → J=ψΛ decays from pp collisions at ffiffi s p = 7 and 8 TeV 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, Francisco (2018-04-17)
    An analysis of the bottom baryon decay Λb→J/ψ(→μ+μ-)Λ(→pπ-) is performed to measure the Λb polarization and three angular parameters in data from pp collisions at s=7 and 8 TeV, collected by the CMS experiment at the Large ...
  • Measurement of b hadron lifetimes in pp collisions at √s = 8 TeV 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, Francisco (2018-06-07)
    Measurements are presented of the lifetimes of the B ⁰, Bs0, Λb0, and Bc+ hadrons using the decay channels B0→J/ψK∗(892)0, B0→J/ψKS0, Bs0→J/ψπ+π-, Bs0→J/ψϕ(1020), Λb0→J/ψΛ0, and Bc+→J/ψπ+. The data sample, corresponding ...
  • Measurement of normalized differential tt¯ cross sections in the dilepton channel from pp collisions at s√=13 TeV 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, Francisco (2018-04-11)
    Normalized differential cross sections for top quark pair production are measured in the dilepton (e⁺e⁻, μ⁺μ⁻, and μ∓e±) decay channels in proton-proton collisions at a center-of-mass energy of 13 TeV. The measurements are ...
  • Constraints on the chiral magnetic effect using charge-dependent azimuthal correlations in pPb and PbPb collisions at the CERN Large Hadron Collider 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, Francisco (2018-04-23)
    Charge-dependent azimuthal correlations of same- and opposite-sign pairs with respect to the second- and third-order event planes have been measured in pPb collisions at sNN=8.16TeV and PbPb collisions at 5.02 TeV with the ...
  • Search for a heavy right-handed W boson and a heavy neutrino in events with two same-flavor leptons and two jets at √s = 13 TeV 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, Francisco (2018-05-01)
    A search for a heavy right-handed W boson (WR) decaying to a heavy righthanded neutrino and a charged lepton in events with two same-flavor leptons (e or µ) and two jets, is presented. The analysis is based on proton-proton ...
  • Illuminating Low Surface Brightness Galaxies with the Hyper Suprime-Cam Survey 

    Greco, Johnny P.; Greene, Jenny E.; Strauss, Mlchael A.; Macarthur, Lauren A.; Flowers, Xzavier; Goulding, Andrew D.; Huang, Song; Kim, Ji Hoon; Komiyama, Yutaka; Leauthaud, Alexie C. (2018-04-20)
    We present a catalog of extended low surface brightness galaxies (LSBGs) identified in the Wide layer of the Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP). Using the first ∼200 deg² of the survey, we have uncovered ...
  • An X-Ray Imaging Survey of Quasar Jets: The Complete Survey 

    Marshall, Herman L.; Gelbord, Jonathan M.; Worrall, Diana M.; Birkinshaw, Mark; Schwartz, Daniel A.; Jauncey, David L.; Griffiths, G.; Murphy, David W.; Lovell, James E.J.; Perlman, Eric S. (2018-03-20)
    We present Chandra X-ray imaging of a flux-limited sample of flat spectrum radio-emitting quasars with jet-like structure. X-rays are detected from 59% of 56 jets. No counter-jets were detected. The core spectra are fitted ...
  • Search for new long-lived particles at s=13 TeV 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2018-05-10)
    A search for long-lived particles was performed with data corresponding to an integrated luminosity of 2.6 fb⁻¹ collected at a center-of-mass energy of 13 TeV by the CMS experiment in 2015. The analysis exploits two ...
  • Evidence for the Higgs boson decay to a bottom quark–antiquark pair 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2018-05-10)
    A search for the standard model (SM) Higgs boson (H) decaying to bb‾ when produced in association with an electroweak vector boson is reported for the following processes: Z(νν)H, W(μν)H, W(eν)H, Z(μμ)H, and Z(ee)H. The ...
  • Measurement of the Splitting Function in pp and Pb-Pb Collisions at sNN =5.02 TeV 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2018-04-03)
    Data from heavy ion collisions suggest that the evolution of a parton shower is modified by interactions with the color charges in the dense partonic medium created in these collisions, but it is not known where in the ...
  • Inclusive Search for a Highly Boosted Higgs Boson Decaying to a Bottom Quark-Antiquark Pair 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2018-02-14)
    An inclusive search for the standard model Higgs boson (H) produced with large transverse momentum (pT) and decaying to a bottom quark-antiquark pair (bb) is performed using a data set of pp collisions at s=13 TeV collected ...
  • Erratum to: Search for dark matter and unparticles in events with a Z boson and missing transverse momentum in proton-proton collisions at √s=13 TeV (JHEP, (2017), 9, (106), 10.1007/JHEP09(2017)106) 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2018-01-01)
    In the original paper, figure 10 was incorrect. The correct figure is shown below. Additionally, the unparticle entries in table 3, as well as figure 4 and 5 were labelled with incorrect values of Λᵤ.
  • Constraints on the double-parton scattering cross section from same-sign W boson pair production in proton-proton collisions at √s=8 TeV 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2018-02-01)
    A first search for same-sign WW production via double-parton scattering is performed based on proton-proton collision data at a center-of-mass energy of 8 TeV using dimuon and electron-muon final states. The search is based ...
  • A new slow control and run initialization byte-wise environment (SCRIBE) for the quality control of mass-produced CMS GEM detectors 

    Colafranceschi, Stefano (2017-10-16)
    The CMS collaboration aims at improving the muon trigger and tracking performance at the HL-LHC by installing new Gas Electron Multiplier (GEM) chambers in the endcaps of the CMS experiment. Construction and commissioning ...
  • Search for supersymmetry in proton-proton collisions at 13 TeV using identified top quarks 

    Sirunyan, A. M.; Tumasyan, A. R.; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2018-01-01)
    A search for supersymmetry is presented based on proton-proton collision events containing identified hadronically decaying top quarks, no leptons, and an imbalance pTmiss in transverse momentum. The data were collected ...

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