Centrality determination of Au+Au collisions at 1.23A GeV with HADESThe centrality determination for Au+Au collisions at 1.23A GeV, as measured with HADES at the GSI-SIS18, is described. In order to extract collision geometry related quantities, such as the average…HADES collaboration, J. Adamczewski-Musch, O. Arnold et al.·Dec 21, 2017SaveLearn
Relative particle yield fluctuations in Pb-Pb collisions at s NN=2.76 TeVFirst results on K/π, p/π and K/p fluctuations are obtained with the ALICE detector at the CERN LHC as a function of centrality in Pb-Pb collisions at s NN=2.76 TeV. The observable…ALICE Collaboration·Dec 21, 2017SaveLearn
The CUORE experiment at LNGSThe Cryogenic Underground Observatory for Rare Events (CUORE) is the first bolometric experiment searching for neutrinoless double beta decay that has been able to reach the 1-ton scale. The detector…Davide Chiesa·Dec 21, 2017SaveLearn
First Determination of Level Structure of an sd-Shell Hypernucleus, 19ΛFWe report on the first observation of γ rays emitted from an sd-shell hypernucleus, 19ΛF. The energy spacing between the ground state doublet, 1/2+ and 3/2+ states, of $…S. B. Yang, J. K. Ahn, Y. Akazawa et al.·Dec 20, 2017SaveLearn
Strong evidence for nucleon resonances near 1900\,MeVData on the reaction γp K+Λ from the CLAS experiments are used to derive the leading multipoles, E0+, M1-, E1+, and M1+, from the production threshold to 2180\,MeV in 24…A. V. Anisovich, V. Burkert, M. Hadžimehmedović et al.·Dec 20, 2017SaveLearn
N* resonances from KΛ amplitudes in sliced bins in energyThe two reactions γp K+Λ and π-p K0Λ are analyzed to determine the leading photoproduction multipoles and the pion-induced partial wave amplitudes in slices of the invariant mass. The…A. V. Anisovich, V. Burkert, M. Hadžimehmedović et al.·Dec 20, 2017SaveLearn
Searching for Hybrid Mesons with GlueXHybrid mesons consist of a quark-antiquark pair bound together by a gluonic field that is in an excited state. Measuring the spectrum of these states will provide valuable information on the gluonic…Sean Dobbs·Dec 19, 2017SaveLearn
Super-Rosenbluth Measurements with Electrons and PositronsPrecise measurements of the proton form factor ratio mu*GE/GM from Rosenbluth separation measurements can be combined with Polarization based extractions to provide significant constraints on…Mikhail Yurov, John Arrington·Dec 19, 2017SaveLearn
Search for three-nucleon short-range correlations in light nucleiWe present new data probing short-range correlations (SRCs) in nuclei through the measurement of electron scattering off high-momentum nucleons in nuclei. The inclusive 4He/3He cross section ratio is…Z. Ye, P. Solvignon, D. Nguyen et al.·Dec 19, 2017SaveLearn
Development of the (d,n) proton-transfer reaction in inverse kinematics for structure studiesTransfer reactions have provided exciting opportunities to study the structure of exotic nuclei and are often used to inform studies relating to nucleosynthesis and applications. In order to benefit…K. L. Jones, C. Thornsberry, J. Allen et al.·Dec 19, 2017SaveLearn
Luminosity determination for the proton-deuteron reaction using pd -> 3He eta channel with WASA-at-COSY detectorIn this report one of the methods used for the luminosity determination for the experiment performed by WASA Collaboration to search for 3He-eta mesic nuclei is presented. The method is based on the…Magdalena Skurzok, Oleksandr Rundel, Aleksander Khreptak et al.·Dec 18, 2017SaveLearn
Constraints on jet quenching in p-Pb collisions at sNN = 5.02 TeV measured by the event-activity dependence of semi-inclusive hadron-jet distributionsThe ALICE Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high-transverse momentum trigger hadron in p-Pb collisions at $s…ALICE Collaboration·Dec 15, 2017SaveLearn
Neutron lifetime measurements with the big gravitational trap for ultracold neutronsNeutron lifetime is one of the most important physical constants which determines parameters of the weak interaction and predictions of primordial nucleosynthesis theory. There remains the unsolved…A. P. Serebrov, E . A. Kolomensky, A. K. Fomin et al.·Dec 15, 2017SaveLearn
Weak Neutral Current Studies with PositronsWeak neutral current interactions with charged leptons have offered unique opportunities to study novel aspects of hadronic structure and search for physics beyond the standard model. These studies…S. Riordan·Dec 14, 2017SaveLearn
A new type nuclear reaction on 159Tb in the outgoing channel considering observation of a bound dineutronA new type nuclear reaction on 159Tb with neutrons and protons in the incident channels and a bound dineutron (2n) in the output channel is considered based on available experimental observations.…I. M. Kadenko·Dec 13, 2017SaveLearn
Experimental signals for broken axial symmetry in excited heavy nuclei from the valley of stabilityAn increasing number of experimental data indicates the breaking of axial symmetry in many heavy nuclei already in the valley of stability: Multiple Coulomb excitation analysed in a rotation…Eckart Grosse, Arnd R. Junghans·Dec 13, 2017SaveLearn
Comment on "Test of the Brink-Axel Hypothesis for the Pygmy Dipole Resonance" [Phys. Rev. Lett. 119, 182503 (2017)]The authors of the letter "Test of the Brink-Axel Hypothesis for the Pygmy Dipole Resonance" [Phys. Rev. Lett. 119, 182503 (2017)] claim a violation of the Brink-Axel hypothesis by…Gencho Rusev, Ronald Schwengner, Arnd R. Junghans·Dec 12, 2017SaveLearn
Nucleon and nuclear structure through dilepton productionTransverse momentum distributions and generalized parton distributions provide a comprehensive framework for the three-dimensional imaging of the nucleon and the nucleus experimentally using deeply…I. V. Anikin, N. Batzell, M. Boer et al.·Dec 12, 2017SaveLearn
Sensitivity of seismically cued antineutrino detectors to nuclear explosionsWe evaluate the sensitivity of large, gadolinium-doped water detectors to antineutrinos released by nuclear fission explosions, using updated signal and background models and taking advantage of the…Rachel Carr, Ferenc Dalnoki-Veress, Adam Bernstein·Dec 11, 2017SaveLearn
Half-lives of 101Rh and 108AgmUsing long-term gamma-ray spectroscopy with high resolution germanium detectors and a ratio method, the half-lives of 101Rh and 108Agm have been determined to be 4.07 + 0.05 years and 448 + 27 years,…Howard A. Shugart, Edgardo Browne, Eric B. Norman·Dec 11, 2017SaveLearn
Exclusive Backward-Angle Omega Meson ElectroproductionThis work is a pioneering study of backward-angle omega cross sections through the exclusive 1H(e,e'p)omega reaction using the missing mass reconstruction technique. The extracted cross sections…Wenliang Li·Dec 8, 2017SaveLearn
A Search for deviations from the inverse square law of gravity at nm range using a pulsed neutron beamWe describe an experimental search for deviations from the inverse square law of gravity at the nanometer length scale using neutron scattering from noble gases on a pulsed slow neutron beamline. By…Christopher C. Haddock, Noriko Oi, Katsuya Hirota et al.·Dec 8, 2017SaveLearn
Elliptic Flow and the Nuclear Equation of StateNew constraints for the nuclear equation of state at suprasaturation densities have been obtained by measuring collective particle flows in heavy-ion reactions at relativistic energies. Ratios and…W. Trautmann, H. H. Wolter·Dec 7, 2017SaveLearn
Results from the OLYMPUS Experiment on the Contribution of Hard Two-Photon Exchange to Elastic Electron-Proton ScatteringMeasurements of the ratio of the elastic form factors of the proton (μpGE/GM) exhibit a strong discrepancy. Experiments using unpolarized beams and Rosenbluth separation to determine the form…Brian S. Henderson·Dec 6, 2017SaveLearn
Measurement of the Two-Photon Exchange Contribution to Elastic Lepton-Proton Scattering at the OLYMPUS ExperimentMeasurements of the ratio of the proton elastic form factors (μpGE/GM) using Rosenbluth separation and those using polarization-based techniques show a strong discrepancy, which increases as a…Brian S. Henderson·Dec 6, 2017SaveLearn