Thick-Target Neutron Yield from the 19F(alpha,n) ReactionThick-target neutron yields from the 19F(alpha,n) reaction are reported for E(alpha) = 3.5 - 10.0 MeV.E. B. Norman, T. E. Chupp, K. T. Lesko et al.·Nov 1, 2014SaveLearn
A measurement of the neutron to 199Hg magnetic moment ratioThe neutron gyromagnetic ratio has been measured relative to that of the 199Hg atom with an uncertainty of 0.8 ppm. We employed an apparatus where ultracold neutrons and mercury atoms are stored in…S. Afach, C. A. Baker, G. Ban et al.·Oct 30, 2014SaveLearn
Recent Highlights from the PHENIX Heavy-Ion Program at RHICOver the last decade it has been established that a quark-gluon plasma (QGP) is formed in ultrarelativistic A+A collisions at RHIC energies. In recent years, detector upgrades have enabled the…Baldo Sahlmueller·Oct 30, 2014SaveLearn
ALICE results on vector meson photoproduction in ultra-peripheral p-Pb and Pb-Pb collisionsLead nuclei, accelerated at the LHC, are sources of strong electromagnetic fields that can be used to measure photon-induced interactions in a new kinematic regime. These interactions can be studied…E. L. Kryshen·Oct 29, 2014SaveLearn
Partial Wave Analysis of the Reaction p(3.5 GeV)+p pK+Λ to Search for the "ppK-" Bound StateEmploying the Bonn-Gatchina partial wave analysis framework (PWA), we have analyzed HADES data of the reaction p(3.5GeV)+p pK+Λ. This reaction might contain information about the kaonic…G. Agakishiev, O. Arnold, D. Belver et al.·Oct 29, 2014SaveLearn
Search for a πΛN-πΣN dibaryon in p+p@3.5 GeVThis work is dedicated to the search for a πΛN\!-\!πΣN resonance Y with the quantum numbers (Y,I,JP) = (1,3/2,2+). The double charged Σ(1385)N\!-\!Δ(1232)Y quasibound state was…J. C. Berger-Chen, L. Fabbietti·Oct 29, 2014SaveLearn
High accuracy determination of the 238U/235U fission cross section ratio up to 1 GeV at nTOF (CERN)The 238U to 235U fission cross section ratio has been determined at nTOF up to 1 GeV, with two different detection systems, in different geometrical configurations. A total of four…C. Paradela, M. Calviani, D. Tarrío et al.·Oct 28, 2014SaveLearn
Production of η and η' Mesons on Nucleons and NucleiThe production of η and η mesons in photon- and hadron-induced reactions on free and quasi-free nucleons and on nuclei is reviewed. The extensive database on γN ηN, for both proton…B. Krusche, C. Wilkin·Oct 28, 2014SaveLearn
Experimental and Simulation of Gamma Radiation Dose Rate for High Exposure Building MaterialNatural radioactivity concentrations in high exposure building materials are commonly used in Iran, which is measured a direct exposure by using γ-ray spectrometry. The values for 226Ra, 232Th and…Akbar Abbasi, Mustfa Hassanzadeh·Oct 27, 2014SaveLearn
Measurement of the Shape Factor for the Beta Decay of 14OWe report results from an experiment designed to test the conserved vector current (CVC) hypothesis by measuring the shape of the β-decay spectrum for the allowed 0+→ 1+ ground state…E. A. George, P. A. Voytas, G. W. Severin et al.·Oct 27, 2014SaveLearn
Neutron occupancy of the 0d5/2 orbital and the N=16 shell closure in 24OOne-neutron knockout from 24O leading to the first excited state in 23O has been measured for a proton target at a beam energy of 62 MeV/nucleon. The decay energy spectrum of the neutron unbound…K. Tshoo, Y. Satou, C. A. Bertulani et al.·Oct 27, 2014SaveLearn
Strongly interacting matter at RHIC: experimental highlightsRecent experimental results obtained at the Relativistic Heavy-Ion Collider (RHIC) will be discussed. Investigations of different nucleus-nucleus collisions in recent years focus on two main tasks,…V. A. Okorokov·Oct 27, 2014SaveLearn
Deuteron Electro-Disintegration at Very High Missing MomentaWe propose to measure the D(e,e'p) cross section at Q2 = 4.25 (GeV/c)2 and xbj = 1.35 for missing momenta ranging from pm = 0.5 GeV/c to pm = 1.0 GeV/c expanding the range of…W. U. Boeglin, M. K. Jones, K. Aniol et al.·Oct 24, 2014SaveLearn
Estimate of cold nuclear matter effects on bottom production in d+Au collisions at sNN = 200 GeVWe investigate modification of the bottom quark production due to cold nuclear matter effects (CNM) at mid-rapidity in d+Au collisions at sNN = 200 GeV at RHIC. Our results indicate that…Daniel Kikola, Andrzej Lipiec·Oct 23, 2014SaveLearn
High-precision Measurements of piP Elastic Differential Cross Sections in the Second Resonance RegionCross sections for pi+-p elastic scattering have been measured to high precision, for beam momenta between 800 and 1240 MeV/c, by the EPECUR Collaboration, using the ITEP proton synchrotron. The data…I. G. Alekseev, V. A. Andreev, I. G. Bordyuzhin et al.·Oct 23, 2014SaveLearn
Production of high-PT cumulative particles in proton-nucleus interactions at 50 GeVThe data on production of cumulative particles in the high transverse momenta domain (up to ~ 3.5 GeV/c) in proton-nucleus interactions are presented for the first time. An indication on the local…V. V. Ammosov, N. N. Antonov, V. A. Viktorov et al.·Oct 21, 2014SaveLearn
Energy Dependence of Kπ, pπ, and Kp Fluctuations in Au+Au Collisions from sNN = 7.7 to 200 GeVA search for the quantum chromodynamics (QCD) critical point was performed by the STAR experiment at the Relativistic Heavy Ion Collider, using dynamical fluctuations of unlike particle pairs.…STAR Collaboration, L. Adamczyk, J. K. Adkins et al.·Oct 20, 2014SaveLearn
Determination of the Free Neutron LifetimeWe present the status of current US experimental efforts to measure the lifetime of the free neutron by the "beam" and "bottle" methods. BBN nucleosynthesis models require accurate…J. David Bowman, L. J. Broussard, S. M. Clayton et al.·Oct 20, 2014SaveLearn
8He nuclei stopped in nuclear track emulsionThe fragment separator ACCULINNA in the G. N. Flerov Laboratory of Nuclear Reactions of JINR was used to expose a nuclear track emulsion to a beam of radioactive 8He nuclei of energy of 60 MeV…D. A. Artemenkov, A. A. Bezbakh, V. Bradnova et al.·Oct 20, 2014SaveLearn
Clustering features of the 7Be nucleus in relativistic fragmentationCharge topology of fragmentation of 1.2 A GeV 7Be nuclei in nuclear track emulsion is presented.The dissociation channels 4He + 3He, 23He+ n, 4He + 21H are considered in detail. It…N. K. Kornegrutsa, D. A. Artemenkov, P. I. Zarubin et al.·Oct 20, 2014SaveLearn
Study of Z production in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV in the dimuon and dielectron decay channelsThe production of Z bosons is studied in the dimuon and dielectron decay channels in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV, using data collected by the CMS experiment at the LHC. The PbPb…CMS Collaboration·Oct 17, 2014SaveLearn
Constraining the 6.05 MeV 0+ and 6.13 MeV 3- cascade transitions in the 12C(α,γ)16O reaction using the Asymptotic Normalization CoefficientsBackground. The 12C(α,γ)16O reaction plays a fundamental role in astrophysics and needs to be known with accuracy better than 10%. Cascade γ transitions through the excited states of…M. L. Avila, G. V. Rogachev, E. Koshchiy et al.·Oct 16, 2014SaveLearn
Beamline Instrumentation for Future Parity-Violation ExperimentsThe parity-violating electron scattering community has made tremendous progress over the last twenty five years in their ability to measure tiny asymmetries of order 100 parts per billion (ppb) with…Robert Michaels·Oct 16, 2014SaveLearn
Proton and Neutron Momentum Distributions in A = 3 Asymmetric NucleiA proposal approved by the Jefferson Lab (JLab) PAC to study the proton-to-neutron momentum distribution ratio in A=3 nuclei via (e,e'p) scattering off 3He and 3H mirror nuclei. The experiment…O. Hen, L. B. Weinstein, S. Gilad et al.·Oct 16, 2014SaveLearn
Measurement of inclusive jet spectra in pp, p-Pb, and Pb-Pb collisions with the ALICE detectorHighly energetic jets are sensitive probes for the kinematic properties and the topology of high energy hadron collisions. Jets are collimated sprays of charged and neutral particles, which are…Rüdiger Haake·Oct 16, 2014SaveLearn