Now showing items 367-426 of 983

• #### J/ψ and ψ (2S) production in pp collisions at √s=7Tev ﻿

(2012)
A measurement of the J/ψ and ψ(2S) production cross sections in pp collisions at √s=7TeV with the CMS experiment at the LHC is presented. The data sample corresponds to an integrated luminosity of 37 pb−1. Using a fit to ...
• #### J/ψ polarization in p+p collisions at √s=200 GeV in STAR ﻿

(2014)
We report on a polarization measurement of inclusive J/ψ mesons in the di-electron decay channel at mid-rapidity at 2<pT<6 GeV/c in p+p collisions at √s=200 GeV. Data were taken with the STAR detector at RHIC. The J/ψ ...
• #### J/ψ production at low pT in Au + Au and Cu + Cu collisions at √sNN =200 GeV with the STAR detector ﻿

(2014)
The J/ψ pT spectrum and nuclear modification factor (RAA) are reported for pT<5GeV/c and |y|<1 from 0% to 60% central Au+Au and Cu+Cu collisions at √ sNN =200GeV at STAR. A significant suppression of pT-integrated J/ψ ...
• #### Jet and underlying event properties as a function of charged-particle multiplicity in proton–proton collisions at √s=7 TeV ﻿

(2013)
Characteristics of multi-particle production in proton-proton collisions at √s=7 TeV are studied as a function of the charged-particle multiplicity, N ch. The produced particles are separated into two classes: those belonging ...
• #### Jet momentum dependence of jet quenching in PbPb collisions at √SNN=2.76 TeV ﻿

(2012)
Dijet production in PbPb collisions at a nucleon–nucleon center-of-mass energy of 2.76 TeV is studied with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 150 μb−1 is analyzed. Jets ...
• #### Jet production rates in association with W and Z bosons in pp collisions at √s=7TeV ﻿

(2012)
Measurements of jet production rates in association with W and Z bosons for jet transverse momenta above 30 GeV are reported, using a sample of proton-proton collision events recorded by CMS at s√=7TeV, corresponding to ...
• #### Jet-Hadron Correlations in √sNN=200  GeV p+p and Central Au+Au Collisions ﻿

(2014)
Azimuthal angular correlations of charged hadrons with respect to the axis of a reconstructed (trigger) jet in Au+Au and p+p collisions at √sNN=200  GeV in STAR are presented. The trigger jet population in Au+Au collisions ...
• #### Joint assembly and genetic mapping of the Atlantic horseshoe crab genome reveals ancient whole genome duplication ﻿

(2014)
Horseshoe crabs are marine arthropods with a fossil record extending back approximately 450 million years. They exhibit remarkable morphological stability over their long evolutionary history, retaining a number of ancestral ...

(2006)
• #### Knot Concordance and Homology Cobordism ﻿

(2013-06)
We consider the question: “If the zero-framed surgeries on two oriented knots in S3 are Z-homology cobordant, preserving the homology class of the positive meridians, are the knots themselves concordant?” We show that ...
• #### Kondo Destruction and Valence Fluctuations in an Anderson Model ﻿

(2012)
Unconventional quantum criticality in heavy-fermion systems has been extensively analyzed in terms of a critical destruction of the Kondo effect. Motivated by a recent demonstration of quantum criticality in a mixed-valent ...
• #### Large-scale current systems and ground magnetic disturbance during deep substorm injections ﻿

(2012)
We present a detailed analysis of the large-scale current systems and their effects on the ground magnetic field disturbance for an idealized substorm event simulated with the equilibrium version of the Rice Convection ...
• #### Laser-cooling limits and single-ion spectroscopy ﻿

(1987)
The limitations to the achievement of low kinetic energies for laser cooling of single ions confined in electromagnetic traps are discussed. Sideband cooling of an ion in an rf (Paul) trap is reexamined including the effects ...
• #### Laser-free slow atom source ﻿

(1999)
A slow atom source, which does not rely on lasers, has been developed and characterized. The device, acting as an atomic low-pass velocity filter, utilizes permanent magnets to passively select the slow atoms present in a ...

(1969)

(1971)
• #### Leveraging synthetic biology for tissue engineering applications ﻿

(2014)
Restoration of damaged tissues and organs requires precise control of cellular processes at the molecular level. Synthetic biology offers genetic tools that can be used to program the molecular biology of the cell, thereby ...
• #### Lg attenuation in northeast China using NECESSArray data ﻿

(2015)
The 127 station NorthEast China Extended SeiSmic Array (NECESSArray) provides large quantities of high quality seismic data in northeast China that allow us to resolve lateral variations of Lg Q or crustal attenuation at ...
• #### Linking phenological shifts to species interactions through size-mediated priority effects ﻿

(2014)
Interannual variation in seasonal weather patterns causes shifts in the relative timing of phenological events of species within communities, but we currently lack a mechanistic understanding of how these phenological ...
• #### Lithosphere versus asthenosphere mantle sources at the Big Pine Volcanic Field, California ﻿

(2012-06-27)
[1] Here we report the first measurements of the H2O content of magmas and mantle xenoliths from the Big Pine Volcanic Field (BPVF), California, in order to constrain the melting process in the mantle, and the role of ...
• #### Lithospheric expression of cenozoic subduction, mesozoic rifting and the Precambrian Shield in Venezuela ﻿

(2015)
We have combined surface wave tomography with Ps and Sp receiver-function images based on common-conversion-point (CCP) stacking to study the upper mantle velocity structure, particularly the lithosphere–asthenosphere ...
• #### Log minimal model program for the moduli space of stable curves: the first flip ﻿

(2013)
We give a geometric invariant theory (GIT) construction of the log canonical model M¯g(α) of the pairs (M¯g,αδ) for α∈(7/10–ϵ,7/10] for small ϵ∈Q+. We show that M¯g(7/10) is isomorphic to the GIT quotient of the Chow variety ...
• #### Long-range two-dimensional superstructure in the superconducting electron-doped cuprate Pr0.88LaCe0.12CuO4 ﻿

(2015)
Utilizing single-crystal synchrotron x-ray scattering, we observe distorted CuO2 planes in the electron-doped superconductor Pr1−xLaCexCuO4+δ, x = 0.12. Resolution-limited rods of scattering are indicative of a long-range ...
• #### 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. ...
• #### Longitudinal and transverse spin asymmetries for inclusive jet production at mid-rapidity in polarized p+p collisions at √s=200  GeV ﻿

(2012)
We report STAR measurements of the longitudinal double-spin asymmetry ALL, the transverse single-spin asymmetry AN, and the transverse double-spin asymmetries AΣ and ATT for inclusive jet production at mid-rapidity in ...
• #### Low algal diversity systems are a promising method for biodiesel production in wastewater fed open reactors ﻿

(2015)
Planktivorous fish which limit zooplankton grazing have been predicted to increase algal biodiesel production in wastewater fed open reactors. In addition, tanks with higher algal diversity have been predicted to be more ...
• #### Low wave speed zones in the crust beneath SE Tibet revealed by ambient noise adjoint tomography ﻿

(2014)
We present a refined 3D crustal model beneath SE Tibet from ambient noise adjoint tomography. Different from ray-theory-based tomography, adjoint tomography in this study incorporates a spectral-element method (SEM) and ...
• #### LucY: A Versatile New Fluorescent Reporter Protein ﻿

(2015)
We report on the discovery, isolation, and use of a novel yellow fluorescent protein. Lucigen Yellow (LucY) binds one FAD molecule within its core, thus shielding it from water and maintaining its structure so that ...
• #### Macroscopic Ensembles of Aligned Carbon Nanotubes in Bubble Imprints Studied by Polarized Raman Microscopy ﻿

(2014)
We study the alignment of single-wall carbon nanotubes (SWCNTs) in bubble imprints through polarized Raman microscopy. A hemispherical bubble containing SWCNTs is pressed against a glass substrate, resulting in an imprint ...
• #### Magnesium Fluctuations Modulate RNA Dynamics in the SAM-I Riboswitch ﻿

(2012)
Experiments demonstrate that Mg2+ is crucial for structure and function of RNA systems, yet the detailed molecular mechanism of Mg2+ action on RNA is not well understood. We investigate the interplay between RNA and Mg2+ ...
• #### Magnetic and transport properties of the layered transition-metal pnictides R3T4As4O2−δ (R = La, Ce, Pr, Nd, and Sm, T = Ni, Cu) ﻿

(2014)
The magnetic and transport properties of the novel R3T 4As4O2−δ (R = La, Ce, Pr, Nd and Sm, T = Ni and Cu) layered materials were studied using structural and physical properties measurements. Varying the rare-earth ion ...
• #### Magnetic domain structures of focused ion beam-patterned cobalt films using scanning ion microscopy with polarization analysis ﻿

(2004)
Studies of magnetic domain distributions in patterned magnetic materials are of pivotal importance in the areas of ultrahigh density magnetic recording, MRAM design, and miniaturized magnetic sensor arrays. Scanning ion ...
• #### Magnetic field power spectra and magnetic radial diffusion coefficients using CRRES magnetometer data ﻿

(2015)
We used the fluxgate magnetometer data from Combined Release and Radiation Effects Satellite (CRRES) to estimate the power spectral density (PSD) of the compressional component of the geomagnetic field in the ∼1 mHz to ∼8 ...

(2003-01-13)
• #### Magnetically Controlled Accretion on the Classical T Tauri Stars GQ Lupi and TQ Hydrae ﻿

(2013)
We present high spectral resolution (R ≈ 108,000) Stokes V polarimetry of the classical T Tauri stars (CTTSs) GQ Lup and TW Hya obtained with the polarimetric upgrade to the HARPS spectrometer on the ESO 3.6 m telescope. ...
• #### Magnetism, chemical spots, and stratification in the HgMn star ϕ Phoenicis ﻿

(2012)
Context. Mercury-manganese (HgMn) stars have been considered as non-magnetic and non-variable chemically peculiar (CP) stars for a long time. However, recent discoveries of the variability in spectral line profiles have ...
• #### Magnetization Dynamics from Time-Dependent Noncollinear Spin Density Functional Theory Calculations ﻿

(2015)
A computational scheme, based on a time-dependent extension of noncollinear spin density functional theory, for the simultaneous simulation of charge and magnetization dynamics in molecular systems is presented. We employ ...
• #### Malaria Theranostics using Hemozoin-Generated Vapor Nanobubbles ﻿

(2014)
Malaria remains a widespread and deadly infectious human disease, with increasing diagnostic and therapeutic challenges due to the drug resistance and aggressiveness of malaria infection. Early detection and innovative ...
• #### Marinopyrrole Derivatives with Sulfide Spacers as Selective Disruptors of Mcl-1 Binding to Pro-Apoptotic Protein Bim ﻿

(2014)
A series of novel marinopyrroles with sulfide and sulphone spacers were designed and synthesized. Their activity to disrupt the binding of the pro-apoptotic protein, Bim, to the pro-survival proteins, Mcl-1 and Bcl-xL, was ...
• #### Matrilysin/matrix metalloproteinase-7(MMP7) cleavage of perlecan/HSPG2 creates a molecular switch to alter prostate cancer cell behavior ﻿

(2014)
Perlecan/HSPG2, a large heparan sulfate (HS) proteoglycan, normally is expressed in the basement membrane (BM) underlying epithelial and endothelial cells. During prostate cancer (PCa) cell invasion, a variety of proteolytic ...

(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 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 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 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 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 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 ...
• #### Measurement of isolated photon production in pp and PbPb collisions at √SNN=2.76 TeV ﻿

(2012)
Isolated photon production is measured in proton–proton and lead–lead collisions at nucleon–nucleon centre-of-mass energies of 2.76 TeV in the pseudorapidity range |η|<1.44 and transverse energies ET between 20 and 80 GeV ...
• #### Measurement of J/ψ and ψ(2S) Prompt Double-Differential Cross Sections in pp Collisions at √s=7  TeV ﻿

(2015)
The double-differential cross sections of promptly produced J/ψ and ψ(2S) mesons are measured in pp collisions at √s=7  TeV, as a function of transverse momentum pT and absolute rapidity |y|. The analysis uses J/ψ and ψ(2S) ...
• #### Measurement of J/ψ Azimuthal Anisotropy in Au+Au Collisions at √sNN=200  GeV ﻿

(2013)
The measurement of J/ψ azimuthal anisotropy is presented as a function of transverse momentum for different centralities in Au+Au collisions at √sNN=200  GeV. The measured J/ψ elliptic flow is consistent with zero within ...
• #### Measurement of jet fragmentation in PbPb and pp collisions at √sNN =2.76 TeV ﻿

(2014)
The jet fragmentation function of inclusive jets with transverse momentum pT above 100GeV/c in PbPb collisions has been measured using reconstructed charged particles with pT above 1GeV/c in a cone of radius 0.3 around the ...
• #### Measurement of jet fragmentation into charged particles in pp and PbPb collisions at √sNN=2.76 TeV ﻿

(2012)
Jet fragmentation in pp and PbPb collisions at a centre-of-mass energy of 2.76 TeV per nucleon pair was studied using data collected with the CMS detector at the LHC. Fragmentation functions are constructed using ...
• #### Measurement of jet multiplicity distributions in tt production in pp collisions at √s=7TeV ﻿

(2014)
The normalised differential top quark-antiquark production cross section is measured as a function of the jet multiplicity in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector. ...
• #### Measurement of Longitudinal Spin Asymmetries for Weak Boson Production in Polarized Proton-Proton Collisions at RHIC ﻿

(2014)
We report measurements of single- and double-spin asymmetries for W± and Z/γ∗ boson production in longitudinally polarized p+p collisions at √s=510  GeV by the STAR experiment at RHIC. The asymmetries for W± were measured ...
• #### Measurement of masses in the t¯t system by kinematic endpoints in pp collisions at √s=7 TeV ﻿

(2013)
A simultaneous measurement of the top-quark, W-boson, and neutrino masses is reported for tt¯ events selected in the dilepton final state from a data sample corresponding to an integrated luminosity of 5.0 fb−1 collected ...
• #### Measurement of neutral strange particle production in the underlying event in proton-proton collisions at √s=7TeV ﻿

(2013)
Measurements are presented of the production of primary K0S and particles in proton-proton collisions at ffisffiffi p ¼ 7 TeV in the region transverse to the leading charged-particle jet in each event. The average ...