Pygmy resonance and low-energy enhancement in the γ-ray strength functions of Pd~isotopesAn unexpected enhancement in the γ-ray strength function, as compared to the low energy tail of the Giant Dipole Resonance (GDR), has been observed for Sc, Ti, V, Fe and Mo isotopes for Eγ<4…Tomas Kvalheim Eriksen, Hilde-Therese Nyhus, Magne Guttormsen et al.·Aug 22, 2014SaveLearn
The fate of the weakly-bound ψ(2s) in nuclear matterWe present new results of a completed PHENIX analysis of ψ(2s) modification at midrapidity in 200 GeV d+Au collisions. Strong suppression of the ψ(2s) relative to the J/ψ is observed. This…J. Matthew Durham·Aug 22, 2014SaveLearn
E12-14-009: Ratio of the electric form factor in the mirror nuclei 3He and 3HE12-14-009: We propose to extract the ratio of the electric form factor (GE) of 3He and 3H from the measured ratio of the elastic-scattering cross sections at Ebeam = 1.1 GeV. Measurements at low…L. S Myers, D. W. Higinbotham, J. R. Arrington·Aug 22, 2014SaveLearn
Comment on 'Comparative study of beta-decay data for eight nuclides measured at the Physikalisch-Technische Bundesanstalt' [Astropart. Phys., 50, 47-58]We would like to comment on a recent paper by Sturrock et al. [1] in which the authors analyze decay data acquired by an ionization chamber in our institute. They interpret the variations in the data…Ole Nähle, Karsten Kossert·Aug 22, 2014SaveLearn
Charged-to-neutral correlation at forward rapidity in Au+Au collisions at sNN=200 GeVEvent-by-event fluctuations of the ratio of inclusive charged to photon multiplicities at forward rapidity in Au+Au collision at sNN=200 GeV have been studied. Dominant contribution to…STAR Collaboration, N. M. Abdelwahab, L. Adamczyk et al.·Aug 21, 2014SaveLearn
Neutron-Proton Scattering in the Context of the d*(2380) ResonanceNew data on quasifree polarized neutron-proton scattering, in the region of the recently observed d* resonance structure, have been obtained by exclusive and kinematically complete high-statistics…P. Adlarson, W. Augustyniak, W. Bardan et al.·Aug 21, 2014SaveLearn
New precision measurements of free neutron beta decay with cold neutronsPrecision measurements in free neutron beta decay serve to determine the coupling constants of beta decay, and offer several stringent tests of the Standard Model. This paper describes the free…S. Baeßler, J. D. Bowman, S. Penttilä et al.·Aug 20, 2014SaveLearn
The ΛΛ Correlation Function in Au+Au collisions at sNN= 200 GeVWe present ΛΛ correlation measurements in heavy-ion collisions for Au+Au collisions at sNN= 200 GeV using the STAR experiment at the Relativistic Heavy-Ion Collider (RHIC). The…STAR Collaboration·Aug 19, 2014SaveLearn
Collective Flow of QCD Matter: a Historical IntroductionWe present a historical review of the physics observables developed for relativistic nuclear collisions, that describe collective hydrodynamic flow of hadronic or partonic matter, and of the…Hans Georg Ritter, Reinhard Stock·Aug 19, 2014SaveLearn
Systematics of Kinetic Freeze-out Properties in High Energy Collisions from STARThe main aim of the RHIC Beam Energy Scan (BES) program is to explore the QCD phase diagram which includes search for a possible QCD critical point and the phase boundary between QGP and hadronic…Lokesh Kumar·Aug 19, 2014SaveLearn
Measurement of electrons from heavy-flavor decays from p+p, d+Au, and Cu+Cu collisions in the PHENIX experimentCharm and bottom quarks are formed predominantly by gluon fusion in the initial hard scatterings at RHIC, making them good probes of the full medium evolution. Previous measurements at RHIC have…Sanghoon Lim·Aug 18, 2014SaveLearn
An Overview of STAR Experimental ResultsWith large acceptance and excellent particle identification, STAR is one of the best mid-rapidity collider experiments for studying high-energy nuclear collisions. The STAR experiment provides full…N. Xu·Aug 15, 2014SaveLearn
Method for High Accuracy Multiplicity Correlation MeasurementsMultiplicity correlation measurements provide insight into the dynamics of high energy collisions. Models describing these collisions need these correlation measurements to tune the strengths of the…K. Gulbrandsen, C. Soegaard·Aug 14, 2014SaveLearn
Measurement of the transverse target and beam-target asymmetries in η meson photoproduction at MAMIWe present new data for the transverse target asymmetry T and the very first data for the beam-target asymmetry F in the γ pηp reaction up to a center-of-mass energy of W=1.9 GeV. The…C. S. Akondi, J. R. M. Annand, H. J. Arends et al.·Aug 14, 2014SaveLearn
Neutron production and thermal moderation at the PSI UCN sourceWe report on gold foil activation measurements performed along a vertical channel along the tank of the ultracold neutron source at the Paul Scherrer Institute. The activities obtained at various…H. Becker, G. Bison, B. Blau et al.·Aug 14, 2014SaveLearn
Neutral meson production in pp and Pb-Pb collisions measured by ALICE at the LHCThe midrapidity π0 nuclear modification factor, RAA, at sNN = 2.76 TeV in 6 centrality classes as well as the corresponding π0 invariant yields in Pb-Pb and in pp…A. Marin·Aug 12, 2014SaveLearn
Improved version of the PHOBOS Glauber Monte CarloGlauber models are used to calculate geometric quantities in the initial state of heavy ion collisions, such as impact parameter, number of participating nucleons and initial eccentricity.…C. Loizides, J. Nagle, P. Steinberg·Aug 11, 2014SaveLearn
Collective Expansion at the LHC: selected ALICE anisotropic flow measurementsThe collective expansion of matter created in collisions of heavy-ions, ranging from collision energies of tens of MeV to a few TeV per nucleon pair, proved to be one of the best probes to study the…Raimond Snellings·Aug 11, 2014SaveLearn
Study of the pd n\pp\s charge-exchange reaction using a polarised deuterium targetThe vector and tensor analysing powers, Ay and Ayy, of the pd n\pp\s charge-exchange reaction have been measured at a beam energy of 600 MeV at the COSY-ANKE facility by…B. Gou, D. Mchedlishvili, Z. Bagdasarian et al.·Aug 8, 2014SaveLearn
Measurements of Double-Polarized Compton Scattering Asymmetries and Extraction of the Proton Spin PolarizabilitiesThe spin polarizabilities of the nucleon describe how the spin of the nucleon responds to an incident polarized photon. The most model-independent way to measure the nucleon spin polarizabilities is…P. P. Martel, R. Miskimen, P. Aguar-Bartolome et al.·Aug 7, 2014SaveLearn
Coulomb effect in Au+Au and Pb+Pb collisions as a function of collision energyThe subtle differences between positive and negative pion spectra can used be used to study the nature of the nuclear interaction region in heavy-ion collisions. Several large acceptance heavy ion…D. Cebra, S. G. Brovko, C. E. Flores et al.·Aug 6, 2014SaveLearn
Beam energy dependence of the expansion dynamics in relativistic heavy ion collisions: Indications for the critical end point?The flow harmonic vn and the emission source radii Rout, Rside and Rlong are studied for a broad range of centrality selections and beam collision energies in…Roy A. Lacey·Aug 6, 2014SaveLearn
Charge-dependent anisotropic flow studies and the search for the Chiral Magnetic Wave in ALICETheoretical calculations have shown the possibility of P-violating bubbles in the QCD vacuum, which in combination with the strong magnetic field created in off-central heavy-ion collisions lead to…Ron Belmont·Aug 5, 2014SaveLearn
Search for the 4He-eta bound state in dd->(4He-eta)bound->3He n pi0 and dd->(4He-eta)bound->3He p pi- reactions with the WASA-at-COSY facilityIn November 2010, the search for the 4He-η bound state was per formed with high statistics and high acceptance with the WASA-at-COSY facility using a ramped beam technique. The signature of eta -…M. Skurzok, W. Krzemien, P. Moskal·Aug 5, 2014SaveLearn
Photonuclear production of vector mesons in ultra-peripheral Pb-Pb collisions at the LHCVector mesons are copiously produced in ultra-peripheral nucleus-nucleus collisions. In these collisions, the nuclei are separated by impact parameters larger than the sum of the nuclear radii, and…Joakim Nystrand·Aug 4, 2014SaveLearn