Forward-central two-particle correlations in p--Pb collisions with ALICE at the LHCWe present the results of measurements of two-particle angular correlations between trigger particles reconstructed in the ALICE Forward Muon Spectrometer (-4.0 < η< -2.5) and associated particles…Saehanseul Oh·Sep 23, 2015SaveLearn
Scaling properties of fractional momentum loss of high-pT hadrons in nucleus-nucleus collisions at s_NN from 62.4 GeV to 2.76 TeVMeasurements of the fractional momentum loss (S lossδpT/pT) of high-transverse-momentum-identified hadrons in heavy ion collisions are presented. Using π0 in Au+Au and Cu+Cu…A. Adare, S. Afanasiev, C. Aidala et al.·Sep 22, 2015SaveLearn
Transverse energy production and charged-particle multiplicity at midrapidity in various systems from sNN=7.7 to 200 GeVMeasurements of midrapidity charged particle multiplicity distributions, dN ch/dη, and midrapidity transverse-energy distributions, dET/dη, are presented for a variety of collision systems…A. Adare, S. Afanasiev, C. Aidala et al.·Sep 22, 2015SaveLearn
Are Electron Scattering Data Consistent with a Small Proton Radius?We determine the charge radius of the proton by analyzing the published low momentum transfer electron-proton scattering data from Mainz. We note that polynomial expansions of the form factor…Keith Griffioen, Carl Carlson, Sarah Maddox·Sep 22, 2015SaveLearn
Precision Electron-Beam Polarimetry using Compton Scattering at 1 GeVWe report on the highest precision yet achieved in the measurement of the polarization of a low energy, O(1 GeV), electron beam, accomplished using a new polarimeter based on…A. Narayan, D. Jones, J. C. Cornejo et al.·Sep 22, 2015SaveLearn
Measurements of Branching Ratios for η Decays into Charged ParticlesThe WASA-at-COSY experiment has collected 3×107 events with η-mesons produced via the reaction pd→3Heη at T = 1.0 GeV. Using this data set,…P. Adlarson, W. Augustyniak, W. Bardan et al.·Sep 22, 2015SaveLearn
Results from Pion-Carbon Interactions Measured by NA61/SHINE for Improved Understanding of Extensive Air ShowersThe interpretation of extensive air shower measurements, produced by ultra-high energy cosmic rays, relies on the correct modeling of the hadron-air interactions that occur during the shower…Alexander E. Hervé·Sep 22, 2015SaveLearn
Self-similarity of negative particle production from the Beam Energy Scan Program at STARWe present the spectra of negative charged particle production in Au+Au collisions from STAR for the first phase of the RHIC Beam Energy Scan Program measured over a wide range of collision energy…M. V. Tokarev·Sep 22, 2015SaveLearn
Measurement of jpsi production in p+p collisions at = 500 GeV at STAR experimentQuarkonium measurements in heavy-ion collisions play an essential role in understanding the hot, dense medium created in such collisions. As a reference, their production mechanism in p+p collisions…Rongrong Ma·Sep 22, 2015SaveLearn
ϕ meson production in the forward/backward rapidity region in Cu+Au collisions at sNN=200 GeVThe PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured ϕ meson production and its nuclear modification in asymmetric Cu+Au heavy-ion collisions at sNN=200…A. Adare, C. Aidala, N. N. Ajitanand et al.·Sep 21, 2015SaveLearn
Neutrons on a surface of liquid heliumWe investigate the possibility of ultracold neutron (UCN) storage in quantum states defined by the combined potentials of the Earth's gravity and the neutron optical repulsion by a horizontal…P. D. Grigoriev, O. Zimmer, T. Ziman et al.·Sep 21, 2015SaveLearn
Recent results on two-particle correlations in ALICEThe discovery of correlations between particles separated by several units of pseudorapidity in high-multiplicity pp and p-Pb collisions, reminiscent of structures observed in Pb-Pb collisions, was a…Alice Ohlson·Sep 19, 2015SaveLearn
Experimental aspects of quarkonia production and suppression in cold and hot nuclear matterWhen heavy Quarkonia are formed in collisions between between nuclei, their production cross section is modified relative to that in p+p collisions. The physical effects that cause this modification…A. D. Frawley·Sep 19, 2015SaveLearn
Observation of neutron emission in the process of X-pinchThe results of measuring the neutron flux in the process of the X-pinch are presented. The measurements were carried out using CR-39 track detectors. It was found that in the process of X-pinch…O. D. Dalkarov, A. S. Rusetskii, S. A. Pikuz et al.·Sep 18, 2015SaveLearn
Evaluation of the strength of electron-proton scattering data for determining the proton charge radiusPrecisely measured electron-proton elastic scattering cross sections [Phys. Rev. Lett. 105, 242002 (2010)] are reanalyzed to evaluate their strength for determining the rms charge radius…M. Horbatsch, E. A. Hessels·Sep 18, 2015SaveLearn
New Results from the Studies of the N(1440)1/2+, N(1520)3/2-, and Δ(1620)1/2- Resonances in Exclusive ep e'p' π+ π- Electroproduction with the CLAS DetectorThe transition helicity amplitudes from the proton ground state to the N(1440)1/2+, N(1520)3/2-, and Δ(1620)1/2- resonances (γvpN* electrocouplings) were determined from the analysis of…V. I. Mokeev, V. D. Burkert, D. S. Carman et al.·Sep 17, 2015SaveLearn
Forward J/ψ production in U+U collisions at sNN=193 GeVThe invariant yields for J/ψ production at forward rapidity (1.2<|y|<2.2) in U+U collisions at s_NN=193 GeV have been measured as a function of collision centrality. The invariant…A. Adare, C. Aidala, N. N. Ajitanand et al.·Sep 17, 2015SaveLearn
Kaon pair production in proton-nucleus collisions at 2.83 GeV kinetic energyThe production of non-phi K+K- pairs by protons of 2.83 GeV kinetic energy on C, Cu, Ag, and Au targets has been investigated using the COSY-ANKE magnetic spectrometer. The K- momentum dependence of…Yu. T. Kiselev, M. Hartmann, A. Polyanskiy et al.·Sep 16, 2015SaveLearn
Identification of new transitions and mass assignments of levels in 143-153PrThe previously reported levels assigned to 151,152,153Pr have recently been called into question regarding their mass assignment. The above questioned level assignments are clarified by measuring…E. H. Wang, A. Lemasson, J. H. Hamilton et al.·Sep 16, 2015SaveLearn
Background subtraction methods for precision measurements of di-hadron and jet-hadron correlations in heavy ion collisionsDi-hadron correlations and jet-hadron correlations are frequently used to study interactions of the Quark Gluon Plasma with the hard partons that form jets. The existing background subtraction…Natasha Sharma, Joel Mazer, Meghan Stuart et al.·Sep 15, 2015SaveLearn
Dielectron production in Au+Au collisions at sNN=200 GeVWe present measurements of e+e- production at midrapidity in Au+Au collisions at s_NN = 200 GeV. The invariant yield is studied within the PHENIX detector acceptance over a wide…A. Adare, C. Aidala, N. N. Ajitanand et al.·Sep 15, 2015SaveLearn
Single electron yields from semileptonic charm and bottom hadron decays in Au+Au collisions at sNN=200 GeVThe PHENIX Collaboration at the Relativistic Heavy Ion Collider has measured open heavy-flavor production in minimum bias Au+Au collisions at s_NN=200 GeV via the yields of electrons…A. Adare, C. Aidala, N. N. Ajitanand et al.·Sep 15, 2015SaveLearn
Centrality-dependent modification of jet-production rates in deuteron-gold collisions at sNN=200 GeVJet production rates are measured in p+p and d+Au collisions at sNN=200 GeV recorded in 2008 with the PHENIX detector at the Relativistic Heavy Ion Collider. Jets are…A. Adare, C. Aidala, N. N. Ajitanand et al.·Sep 15, 2015SaveLearn
The current evaluation of VudThe Vud element of the Cabibbo-Kobayashi-Maskawa matrix can be determined from several different experimental approaches: either 0+-to-0+ superallowed nuclear beta decays, neutron decay, nuclear…J. C. Hardy, I. S. Towner·Sep 15, 2015SaveLearn
Measurement of event-by-event transverse momentum and multiplicity fluctuations using strongly intensive measures Δ[PT, N] and Σ[PT, N] in nucleus-nucleus collisions at the CERN Super Proton SynchrotronResults from the NA49 experiment at the CERN SPS are presented on event-by-event transverse momentum and multiplicity fluctuations of charged particles, produced at forward rapidities in central…NA49 Collaboration, T. Anticic, B. Baatar et al.·Sep 15, 2015SaveLearn