J. M. Lawhorn
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View article: Input to the ESPPU: The LUXE Experiment
Input to the ESPPU: The LUXE Experiment Open
This document presents an overview of LUXE (Laser Und XFEL Experiment), an experiment that will combine the high-quality and high-energy electron beam of the European XFEL with a high-intensity laser, to explore the uncharted terrain of st…
View article: Technical Design Report for the LUXE Experiment
Technical Design Report for the LUXE Experiment Open
This Technical Design Report presents a detailed description of all aspects of the LUXE (Laser Und XFEL Experiment), an experiment that will combine the high-quality and high-energy electron beam of the European XFEL with a high-intensity …
View article: Evidence for light-by-light scattering and searches for axion-like particles in ultraperipheral PbPb collisions at √S_(NN) = 5.02 TeV
Evidence for light-by-light scattering and searches for axion-like particles in ultraperipheral PbPb collisions at √S_(NN) = 5.02 TeV Open
Evidence for the light-by-light scattering process, γγ→γγ , in ultraperipheral PbPb collisions at a centre-of-mass energy per nucleon pair of 5.02TeV is reported. The analysis is conducted using a data sample corresponding to an integrated…
View article: Measurement of B$^{0}$$_{s}$ meson production in pp and PbPb collisions at √$^{s}$NN = 5.02 TeV
Measurement of B$^{0}$$_{s}$ meson production in pp and PbPb collisions at √$^{s}$NN = 5.02 TeV Open
The production cross sections of BOs mesons and charge conjugates are measured in proton-proton (pp) and PbPb collisions via the exclusive decay channel B0s→J/ψφ→μ+μ−K+K at a center-of-mass energy of 5.02 TeV per nucleon pair and within th…
View article: New method of out-of-time energy subtraction for the CMS hadronic calorimeter
New method of out-of-time energy subtraction for the CMS hadronic calorimeter Open
The CMS hadronic calorimeter employs plastic scintillator active material in the barrel and endcap (HBHE). In Run 2, the LHC operates at 13 TeV center of mass energy with up to 50 simultaneous collisions per bunch crossing (pileup) and a 2…
View article: Measurement of Jet Substructure Observables in tt¯Events from Proton-Proton Collisions at √s = 13 TeV
Measurement of Jet Substructure Observables in tt¯Events from Proton-Proton Collisions at √s = 13 TeV Open
A measurement of jet substructure observables is presented using t¯t events in the lepton þ jets channel from proton-proton collisions at ffiffiffi sp ¼ 13 TeV recorded by the CMS experiment at the LHC, corresponding to an integrated lumin…
View article: Search for a heavy resonance decaying into a Z boson and a vector boson in the νν¯¯¯qq¯¯¯ final state
Search for a heavy resonance decaying into a Z boson and a vector boson in the νν¯¯¯qq¯¯¯ final state Open
A search is presented for a heavy resonance decaying into either a pair of Z bosons or a Z boson and a W boson (ZZ or WZ), with a Z boson decaying into a pair of neutrinos and the other boson decaying hadronically into two collimated quark…
View article: Measurement of the Λ$_{b}$ polarization and angular parameters in Λ$_{b}$ → J/ψΛ decays from pp collisions at √s = 7 and 8 TeV
Measurement of the Λ$_{b}$ polarization and angular parameters in Λ$_{b}$ → J/ψΛ decays from pp collisions at √s = 7 and 8 TeV Open
An analysis of the bottom baryon decay Λb → J=ψ ð→ μþ μ−ÞΛð→ pπ−Þ 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 Hadron Co…
View article: Measurements of tt⁻ cross sections in association with b jets and inclusive jets and their ratio using dilepton final states in pp collisions at √s = 13TeV
Measurements of tt⁻ cross sections in association with b jets and inclusive jets and their ratio using dilepton final states in pp collisions at √s = 13TeV Open
The cross sections for the production of tt¯bb¯ and tt¯jj events and their ratio σtt¯bb¯/σtt¯jj are measured using data corresponding to an integrated luminosity of 2.3 fb−1collected in pp collisions at s=13 TeV with the CMS detector at th…
View article: Suppression of Excited Y States Relative to the Ground State in Pb-Pb Collisions at √s$_{NN}$ = 5,02 TeV
Suppression of Excited Y States Relative to the Ground State in Pb-Pb Collisions at √s$_{NN}$ = 5,02 TeV Open
The relative yields of Υ mesons produced in pp and Pb-Pb collisions at √sNN=5.02 TeV and reconstructed via the dimuon decay channel are measured using data collected by the CMS experiment. Double ratios are formed by comparing the yields o…
View article: Measurement of the B± Meson Nuclear Modification Factor in Pb-Pb Collisions at √sNN=5.02 TeV
Measurement of the B± Meson Nuclear Modification Factor in Pb-Pb Collisions at √sNN=5.02 TeV Open
Finally, we acknowledgethe enduring support forthe construction and operation of the LHC and the CMS detector provided by the following funding agencies:... SEIDI, CPAN, PCTI, and FEDER Fondo Europeo de Desarrollo Regional, Spain(Spain)...
View article: Charged-particle nuclear modification factors in PbPb and pPb collisions at √sNN−−−− = 5.02 TeV
Charged-particle nuclear modification factors in PbPb and pPb collisions at √sNN−−−− = 5.02 TeV Open
The spectra of charged particles produced within the pseudorapidity window |η| < 1 at s NN √sNN =5.02 TeV are measured using 404 μb−1 of PbPb and 27.4 pb−1 of pp data collected by the CMS detector at the LHC in 2015. The spectra are presen…