Proton root-mean-square radii and electron scatteringThe standard procedure of extracting the proton root-mean-square radii from models for the Sachs form factors Ge (q) and Gm (q) fitted to elastic electron-proton scattering data %has a serious…Ingo Sick, Dirk Trautmann·Jul 7, 2014SaveLearn
Recent results on event-by-event fluctuations from the RHIC Beam Energy Scan program in the STAR experimentEvent-by-event fluctuations of global observables in relativistic heavy-ion collisions are studied as probes for the QCD phase transition and as tools to search for critical phenomena near the phase…Nihar Ranjan Sahoo·Jul 6, 2014SaveLearn
Proton spectroscopy of 48Ni, 46Fe, and 44CrResults of decay spectroscopy on nuclei in vicinity of the doubly magic 48Ni are presented. The measurements were performed with a Time Projection Chamber with optical readout which records tracks of…M. Pomorski, M. Pfützner, W. Dominik et al.·Jul 6, 2014SaveLearn
Target and beam-target asymmetry measurements at MAMIPreliminary data for target and beam-target asymmetry for the reaction γpπ0ηp obtained at the MAMI accelerator are presented. The data are compared to different theoretical predictions.V. L. Kashevarov·Jul 6, 2014SaveLearn
Spectral Structure of Electron Antineutrinos from Nuclear ReactorsRecent measurements of the positron energy spectrum obtained from inverse beta decay interactions of reactor electron antineutrinos show an excess in the 4 to 6 MeV region relative to current…D. A. Dwyer, T. J. Langford·Jul 4, 2014SaveLearn
Experimental constraints on the ω-nucleus real potentialIn a search for ω mesic states, the production of ω-mesons in coincidence with forward going protons has been studied in photon induced reactions on 12C for incident photon energies of 1250…S. Friedrich, K. Makonyi, V. Metag et al.·Jul 3, 2014SaveLearn
High-resolution search for the Θ+ pentaquark via a pion-induced reaction at J-PARCThe pentaquark Θ+ has been searched for via the π-p K-X reaction with beam momenta of 1.92 and 2.01 GeV/c at J-PARC. A missing mass resolution of 2 MeV (FWHM) was achieved but no sharp…PARC E19 Collaboration, M. Moritsu, S. Adachi et al.·Jul 2, 2014SaveLearn
Laser spectroscopy of francium isotopes at the borders of the region of reflection asymmetryThe magnetic dipole moments and changes in mean-square charge radii of the neutron-rich 218m,219,229,231Fr isotopes were measured with the newly-installed Collinear Resonance Ionization…I. Budinčević, J. Billowes, M. L. Bissell et al.·Jul 2, 2014SaveLearn
Gluonic Excitations and Experimental Hall-D at Jefferson LabA new tagged photon beam facility is being constructed in experimental Hall-D at Jefferson Lab as a part of the 12 GeV upgrade program. The 9 GeV linearly-polarized photon beam will be produced via…Justin R. Stevens·Jul 1, 2014SaveLearn
Probing Sea Quark and Gluon Polarization at STAROne of the primary goals of the spin program at the Relativistic Heavy Ion Collider (RHIC) is to determine the polarization of the sea quarks and gluons in the proton. The polarization of the sea…Justin R. Stevens·Jul 1, 2014SaveLearn
Zero degree measurements of 12C fragmentation at 95 MeV/nucleon on thin targetsDuring therapeutic treatments using ions such as carbon, nuclear interactions between the incident ions and nuclei present in organic tissues may occur, leading to the attenuation of the incident…J. Dudouet, M. Labalme, D. Cussol et al.·Jul 1, 2014SaveLearn
Exclusive J/ψ photoproduction off protons in ultra-peripheral p-Pb collisions at s NN=5.02 TeVWe present the first measurement at the LHC of exclusive J/ψ photoproduction off protons, in ultra-peripheral proton-lead collisions at s NN=5.02 TeV. Events are selected with a…ALICE Collaboration·Jun 30, 2014SaveLearn
Azimuthal anisotropy in U+U collisions at STARThe azimuthal anisotropy of particle production is commonly used in high-energy nuclear collisions to study the early evolution of the expanding system. The prolate shape of uranium nuclei makes it…Hui Wang, Paul Sorensen·Jun 29, 2014SaveLearn
Excitation of Giant Monopole Resonance in 208Pb and 116Sn Using Inelastic Deuteron ScatteringThe excitation of the isoscalar giant monopole resonance (ISGMR) in 116Sn and 208Pb has been investigated using small-angle (including 0) inelastic scattering of 100 MeV/u deuteron…D. Patel, U. Garg, M. Itoh et al.·Jun 26, 2014SaveLearn
α-cluster structure of 18OBackground: Clustering phenomena in N ≠ Z nuclei provide an opportunity to understand the interplay between cluster and nucleon degrees of freedom. Purpose:To study resonances in the 18O…M. L. Avila, G. V. Rogachev, V. Z. Goldberg et al.·Jun 25, 2014SaveLearn
Hadronic shift in pionic hydrogenThe hadronic shift in pionic hydrogen has been redetermined to be ε1s=7.086\,\,0.007(stat)\,\,0.006(sys)\,eV by X-ray spectroscopy of ground state transitions applying various energy…M. Hennebach, D. F. Anagnostopoulos, A. Dax et al.·Jun 25, 2014SaveLearn
Direct mapping of nuclear shell effects in the heaviest elementsQuantum-mechanical shell effects are expected to strongly enhance nuclear binding on an "island of stability" of superheavy elements. The predicted center at proton number Z=114,120, or…E. Minaya Ramirez, D. Ackermann, K. Blaum et al.·Jun 25, 2014SaveLearn
α-cluster ANCs for nuclear astrophysicsBackground. Many important α-particle induced reactions for nuclear astrophysics may only be measured using indirect techniques due to small cross sections at the energy of interest. One of such…M. L Avila, G. V. Roachev, E. Koshchiy et al.·Jun 23, 2014SaveLearn
Search for a dark photon with the WASA detector at COSYWe present recent results on the search for the U boson based on the data collected by means of the WASA detector and the Cooler Synchrotron COSY.Pawel Moskal·Jun 22, 2014SaveLearn
Crossing of large multiquasiparticle magnetic-rotation bands in 198BiHigh-spin states in the doubly-odd 198Bi nucleus have been studied by using the 185,187Re(16O, xn) reactions at the beam energy of 112.5 MeV. γ-γ coincidence were measured by using…H. Pai, G. Mukherjee, S. Bhattacharyya et al.·Jun 20, 2014SaveLearn
Multiplicity dependence of jet-like two-particle correlations in p-Pb collisions at sNN = 5.02 TeVTwo-particle angular correlations between unidentified charged trigger and associated particles are measured by the ALICE detector in p-Pb collisions at a nucleon-nucleon centre-of-mass energy of…ALICE Collaboration·Jun 20, 2014SaveLearn
Elliptic flow phenomenon at ATLASWe summarize measurements of elliptic flow and higher order flow harmonics performed by the ATLAS experiment at the LHC. Results on event-averaged flow measurements and event-plane correlations in…Martin Spousta·Jun 20, 2014SaveLearn
Alpha induced reaction cross section measurements on 162Er for the astrophysical gamma processThe cross sections of the 162Er(a,g,)166Yb and 162Er(a,n)165Yb reactions have been measured for the first time. The radiative alpha capture reaction cross section was measured from Ec.m. = 16.09 down…G. G. Kiss, T. Szücs, T. Rauscher et al.·Jun 19, 2014SaveLearn
Effective Nucleon Masses from Heavy Ion CollisionsWe probe the momentum dependence of the isovector mean-field potential by comparing the energy spectra of neutrons and protons emitted in 112Sn+112Sn and 124Sn+124Sn collisions at…D. D. S. Coupland, M. Youngs, W. G. Lynch et al.·Jun 17, 2014SaveLearn
Measurement of the Spectral Function of 40Ar through the (e,e p) reactionThe interpretation of the signals detected by high precision experiments aimed at measuring neutrino oscillations requires an accurate description of the neutrino-nucleus cross sections. One of the…A. Ankowski, R. Beminiwattha, O. Benhar et al.·Jun 16, 2014SaveLearn