Now showing items 21-40 of 685

• #### Isolation of flow and nonflow correlations by two- and four-particle cumulant measurements of azimuthal harmonics in √sNN=200 GeV Au+Au collisions ﻿

(2015)
A data-driven method was applied to Au+Au collisions at √sNN=200 GeV made with the STAR detector at RHIC to isolate pseudorapidity distance Δη-dependent and Δη-independent correlations by using two- and four-particle ...
• #### Search for a standard model-like Higgs boson in the μ+μ− and e+e− decay channels at the LHC ﻿

(2015)
A search is presented for a standard model-like Higgs boson decaying to the μ+μ− or e+e− final states based on proton–proton collisions recorded by the CMS experiment at the CERN LHC. The data correspond to integrated ...
• #### Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton–proton collisions at √s=8 TeV ﻿

(2015)
A search is presented for quark contact interactions and extra spatial dimensions in proton–proton collisions at √s=8 TeV using dijet angular distributions. The search is based on a data set corresponding to an integrated ...
• #### Measurement of the cross section ratio σtt¯bb¯/σtt¯jj in pp collisions at √s=8 TeV ﻿

(2015)
The first measurement of the cross section ratio σtt¯bb¯/σtt¯jj is presented using a data sample corresponding to an integrated luminosity of 19.6 fb−1 collected in pp collisions at √s=8 TeV with the CMS detector at the ...
• #### An itinerant antiferromagnetic metal without magnetic constituents ﻿

(2015)
The origin of magnetism in metals has been traditionally discussed in two diametrically opposite limits: itinerant and local moments. Surprisingly, there are very few known examples of materials that are close to the ...
• #### Distinguishing between plasmon-induced and photoexcited carriers in a device geometry ﻿

(2015)
The use of surface plasmons, charge density oscillations of conduction electrons of metallic nanostructures, to boost the efficiency of light-harvesting devices through increased light-matter interactions could drastically ...
• #### Observation of antiferromagnetic correlations in the Hubbard model with ultracold atoms ﻿

(2015)
Ultracold atoms in optical lattices have great potential to contribute to a better understanding of some of the most important issues in many-body physics, such as high-temperature superconductivity [1]. The Hubbard modelﾗa ...
• #### Robust Helical Edge Transport in Gated InAs/GaSb Bilayers ﻿

(2015)
We have engineered electron-hole bilayers of inverted InAs/GaSb quantum wells, using dilute silicon impurity doping to suppress residual bulk conductance. We have observed robust helical edge states with wide conductance ...
• #### Charged-to-neutral correlation at forward rapidity in Au + Au collisions at √sNN=200 GeV ﻿

(2015)
Event-by-event fluctuations of the multiplicities of inclusive charged particles and photons at forward rapidity in Au+Au collisions at √sNN=200 GeV have been studied. The dominant contribution to such fluctuations is ...
• #### In silico prediction of MOFs with high deliverable capacity or internal surface area ﻿

(2015)
Metal–organic frameworks (MOFs) offer unprecedented atom-scale design and structural tunability, largely due to the vast number of possible organic linkers which can be utilized in their assembly. Exploration of this space ...
• #### Search for physics beyond the standard model in final states with a lepton and missing transverse energy in proton-proton collisions at √s=8  TeV ﻿

(2015)
A search for new physics in proton-proton collisions having final states with an electron or muon and missing transverse energy is presented. The analysis uses data collected in 2012 with the CMS detector, at an LHC ...
• #### Search for supersymmetry using razor variables in events with b-tagged jets in pp collisions at √s=8  TeV ﻿

(2015)
An inclusive search for supersymmetry in events with at least one b-tagged jet is performed using proton-proton collision data collected by the CMS experiment in 2012 at a center-of-mass energy of 8 TeV. The data set size ...
• #### Search for physics beyond the standard model in events with two leptons, jets, and missing transverse momentum in pp collisions at √s = 8 TeV ﻿

(2015)
A search is presented for physics beyond the standard model in final states with two opposite-sign same-flavor leptons, jets, and missing transverse momentum. The data sample corresponds to an integrated luminosity of 19.4 ...
• #### Search for physics beyond the standard model in dilepton mass spectra in proton-proton collisions at √s=8 TeV ﻿

(2015)
Dimuon and dielectron mass spectra, obtained from data resulting from proton-proton collisions at 8 TeV and recorded by the CMS experiment, are used to search for both narrow resonances and broad deviations from standard ...
• #### Long-range two-particle correlations of strange hadrons with charged particles in pPb and PbPb collisions at LHC energies ﻿

(2015)
Measurements of two-particle angular correlations between an identified strange hadron (KS0 or Λ/Λ¯) and a charged particle, emitted in pPb collisions, are presented over a wide range in pseudorapidity and full azimuth. ...
• #### Performance of the CMS missing transverse momentum reconstruction in pp data at √s = 8 TeV ﻿

(2015)
The performance of missing transverse energy reconstruction algorithms is presented using √s=8 TeV proton-proton (pp) data collected with the CMS detector. Events with anomalous missing transverse energy are studied, and ...
• #### Differential cross section measurements for the production of a W boson in association with jets in proton–proton collisions at √s=7 eV ﻿

(2015)
Measurements are reported of differential cross sections for the production of a W boson, which decays into a muon and a neutrino, in association with jets, as a function of several variables, including the transverse ...
• #### Measurement of the W boson helicity in events with a single reconstructed top quark in pp collisions at √s=8 TeV ﻿

(2015)
A measurement of the W boson helicity is presented, where the W boson originates from the decay of a top quark produced in pp collisions. The event selection, optimized for reconstructing a single top quark in the final ...
• #### Measurement of the ratio of the production cross sections times branching fractions of B ± c→ J/ψπ ± and B± → J/ψK ± and B(B±c→J/ψπ±π±π∓)/B(B±c→J/ψπ±) in pp collisions at s√=7 TeV ﻿

(2015)
The ratio of the production cross sections times branching fractions (σ(B±c)B(B±c→J/ψπ±))/(σ(B±)B(B±→J/ψK±)) is studied in proton-proton collisions at a center-of-mass energy of 7 TeV with the CMS detector at the LHC. The ...
• #### Measurement of the production cross section ratio σ(χb2(1P))/σ(χb1(1P))) in pp collisions at √s=8 TeV ﻿

(2015)
A measurement of the production cross section ratio σ(χb2(1P))/σ(χb1(1P)) is presented. The χb1(1P) and χb2(1P) bottomonium states, promptly produced in pp collisions at √s=8 TeV, are detected by the CMS experiment at the ...