Now showing items 505-524 of 1345

• #### Material radioassay and selection for the XENON1T dark matter experiment ﻿

(2017)
The XENON1T dark matter experiment aims to detect weakly interacting massive particles (WIMPs) through low-energy interactions with xenon atoms. To detect such a rare event necessitates the use of radiopure materials to ...

(2013-04)
• #### Measurement of associated W + charm production in pp collisions at √s = 7 TeV ﻿

(2014)
Measurements are presented of the associated production of a W boson and a charm-quark jet (W + c) in pp collisions at a center-of-mass energy of 7 TeV. The analysis is conducted with a data sample corresponding to a total ...
• #### Measurement of associated Z + charm production in proton–proton collisions at s√=8 TeV ﻿

(2018)
A study of the associated production of a ZZ\mathrm{Z} boson and a charm quark jet (Z+cZ+c\mathrm{Z} + \mathrm{c} ), and a comparison to production with a bb\mathrm{b} quark jet (Z+bZ+b\mathrm{Z} + \mathrm{b} ), in pppp\mathrm ...
• #### Measurement of charge multiplicity asymmetry correlations in high-energy nucleus-nucleus collisions at √sNN=200 GeV ﻿

(2014)
A study is reported of the same- and opposite-sign charge-dependent azimuthal correlations with respect to the event plane in Au + Au collisions at √sNN=200 GeV. The charge multiplicity asymmetries between the up/down and ...
• #### Measurement of charged pion, kaon, and proton production in proton-proton collisions at $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$ ﻿

(2017)
Transverse momentum spectra of charged pions, kaons, and protons are measured in proton-proton collisions at √s=13 TeV with the CMS detector at the LHC. The particles, identified via their energy loss in the silicon tracker, ...
• #### Measurement of Circumstellar Disk Sizes in the Upper Scorpius OB Association with ALMA ﻿

(2017)
We present detailed modeling of the spatial distributions of gas and dust in 57 circumstellar disks in the Upper Scorpius OB Association observed with ALMA at submillimeter wavelengths. We fit power-law models to the dust ...
• #### Measurement of differential cross sections for Higgs boson production in the diphoton decay channel in pp collisions at s√=8TeV ﻿

(2016)
A measurement is presented of differential cross sections for Higgs boson (H) production in pp collisions at s√=8s=8\sqrt{s}=8 TeVTeV\,\text {TeV}. The analysis exploits the H→γγH→γγ{H} \rightarrow {\gamma }{\gamma } decay ...
• #### Measurement of differential cross sections for the production of a pair of isolated photons in pp collisions at √s=7TeV ﻿

(2014)
A measurement of differential cross sections for the production of a pair of isolated photons in proton–proton collisions at √s=7TeV is presented. The data sample corresponds to an integrated luminosity of 5.0 fb−1 collected ...
• #### Measurement of differential cross sections for the production of top quark pairs and of additional jets in $\mathrm{lepton}+\text{jets}$ events from $pp$ collisions at $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$ ﻿

(2018)
Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at √s=13 TeV are measured as a function of kinematic variables of the top quarks and the top quark-antiquark ...
• #### Measurement of differential cross sections in the kinematic angular variable ϕ* for inclusive Z boson production in pp collisions at s√=8 TeV ﻿

(2018)
Measurements of differential cross sections dσ/dϕ* and double-differential cross sections d2σ/dϕ*d|y| for inclusive Z boson production are presented using the dielectron and dimuon final states. The kinematic observable ...
• #### Measurement of differential top-quark-pair production cross sections in pp collisions at √ s =7 TeV ﻿

(2013)
Normalised differential top-quark-pair production cross sections are measured in pp collisions at a centreof- mass energy of 7 TeVat the LHC with the CMS detector using data recorded in 2011 corresponding to an ...
• #### Measurement of diffractive dissociation cross sections in $pp$ collisions at $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$ ﻿

(2015)
Measurements of diffractive dissociation cross sections in pp collisions at √s=7 TeV are presented in kinematic regions defined by the masses MX and MY of the two final-state hadronic systems separated by the largest ...
• #### Measurement of electroweak production of two jets in association with a Z boson in proton–proton collisions at √s=8TeV ﻿

(2015)
The purely electroweak (EW) cross section for the production of two jets in association with a Z boson, in proton–proton collisions at √s=8TeV , is measured using data recorded by the CMS experiment at the CERN LHC, ...
• #### Measurement of energy flow at large pseudorapidities in pp collisions at √s=0.9 and 7 TeV ﻿

(2011)
The energy flow, dE/dη, is studied at large pseudorapidities in proton-proton collisions at the LHC, for centre-of-mass energies of 0.9 and 7 TeV. The measurements are made using the CMS detector in the pseudorapidity range ...
• #### Measurement of four-jet production in proton-proton collisions at √s=7  TeV ﻿

(2014)
Measurements of the differential cross sections for the production of exactly four jets in proton-proton collisions are presented as a function of the transverse momentum pT and pseudorapidity η, together with the correlations ...
• #### Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states ﻿

(2014)
A search for the standard model Higgs boson decaying to a W-boson pair at the LHC is reported. The event sample corresponds to an integrated luminosity of 4.9 fb−1 and 19.4 fb−1 collected with the CMS detector in pp ...
• #### Measurement of higher-order harmonic azimuthal anisotropy in PbPb collisions at √SNN=2.76 TeV ﻿

(2014)
Measurements are presented by the CMS Collaboration at the Large Hadron Collider (LHC) of the higher-order harmonic coefficients that describe the azimuthal anisotropy of charged particles emitted in √SNN=2.76 TeV PbPb ...
• #### Measurement of inclusive jet cross sections in $pp$ and PbPb collisions at $\sqrt{{s}_{\mathit{\text{NN}}}}=2.76$ TeV ﻿

(2017)
Inclusive jet spectra from pp and PbPb collisions at a nucleon-nucleon center-of-mass energy of 2.76TeV, collected with the CMS detector at the CERN Large Hadron Collider, are presented. Jets are reconstructed with three ...
• #### Measurement of Inclusive W and Z Boson Production Cross Sections in pp Collisions at √s=8 TeV ﻿

(2014)
A measurement of total and fiducial inclusive W and Z boson production cross sections in pp collisions at s√=8  TeV is presented. Electron and muon final states are analyzed in a data sample collected with the CMS detector ...