On the Possibility of Dibaryon Formation near the N*(1440)N threshold -- the Isoscalar Single-Pion Production RevisitedThe isoscalar single-pion production exhibits a broad bump in the energy dependence of the total cross section, which does not correspond to the usual opening of the N*(1440) production channel…H. Clement, T. Skorodko, E. Doroshkevich·Oct 16, 2020SaveLearn
Annual variations of the 214Po, 213Po and 212Po half-life valuesResults of a comparative analysis of the 214Po (T1/2= 163.470.03 μs), 213Po (T1/2=3.705 0.001 μs) and 212Po (T1/2=294.090.07 ns) half-life annular…E. N. Alexeev, A. M. Gangapshev, Yu. M. Gavrilyuk et al.·Oct 16, 2020SaveLearn
J/ production measurements at mid-rapidity using the ALICE detector at the LHCCharmonium production is highly sensitive to the hot and dense medium created in (ultra)-relativistic heavy-ion collisions, known as the Quark-Gluon Plasma (QGP). Measurements of the J/…Ingrid McKibben Lofnes·Oct 16, 2020SaveLearn
Total kinetic energy and mass yields from the fast neutron-induced fission of 239PuThe total kinetic energy (TKE) release in fission is an important observable, constituting over 80% of the energy released in fission (Ef ≈ 200 MeV). While the TKE release in the…Alexander Chemey, Ashley Pica, Liangyu Yao et al.·Oct 15, 2020SaveLearn
Production and electromagnetic decay of hyperons: a feasibility study with HADES as a Phase-0 experiment at FAIRA feasibility study has been performed in order to investigate the performance of the HADES detector to measure the electromagnetic decays of the hyperon resonances (1385)0, (1405)…J. Adamczewski-Musch, A. Belyaev, A. Blanco et al.·Oct 14, 2020SaveLearn
High-resolution laser spectroscopy of 27-32AlHyperfine spectra of 27-32Al (Z=13) have been measured at the ISOLDE-CERN facility via collinear laser spectroscopy using the $3s23p\ 2Po 3/2→ 3s24s\…H. Heylen, C. S. Devlin, W. Gins et al.·Oct 14, 2020SaveLearn
Resonance photoproduction of pionic atoms at the Gamma FactoryWe present a possibility of direct resonance production of pionic atoms (Coulomb bound states of a negative pion and a nucleus) with a rate of up to 1010 per second using the gamma-ray beams…Victor V. Flambaum, Junlan Jin, Dmitry Budker·Oct 14, 2020SaveLearn
Total kinetic energy release in the fast neutron-induced fission of 237NpThe total kinetic energy (TKE) in the fast neutron induced fission of 237Np was measured for neutron energies from En = 2.6 - 100 MeV at the LANSCE-WNR facility. The post TKE release decreases…A. Pica, A. T. Chemey, L. Yao et al.·Oct 13, 2020SaveLearn
Structure of 30Mg explored via in-beam γ-ray spectroscopyBackground: In the "island of inversion", ground states of neutron-rich sd-shell nuclei exhibit strong admixtures of intruder configurations from the fp shell. The nucleus 30Mg, located at…N. Kitamura, K. Wimmer, N. Shimizu et al.·Oct 13, 2020SaveLearn
Experimental study of the 17F+ 12C fusion reaction and its implications for fusion of proton-halo systemsThe halo nature of the low-lying 1/2+ first excited state of the exotic weakly-bound proton drip-line nucleus 17F has long been hypothesized. The structure of such a halo nucleus would imply…B. W. Asher, S. Almaraz-Calderon, Vandana Tripathi et al.·Oct 12, 2020SaveLearn
Assessing the impact of valence sd neutrons and protons on fusionExperimental above-barrier fusion cross-sections for 17F + 12C are compared to the fusion excitation functions for 16,18O, 19F, and 20Ne ions on a carbon target. In comparing…Varinderjit Singh, J. Vadas, T. K. Steinbach et al.·Oct 12, 2020SaveLearn
Surface localization of the dineutron in 11LiThe formation of a dineutron in the nucleus 11Li is found to be localized to the surface region. The experiment measured the intrinsic momentum of the struck neutron in 11Li via the…Y. Kubota, A. Corsi, G. Authelet et al.·Oct 9, 2020SaveLearn
Recent results on hard and rare probes from ALICEIn high-energy hadronic collisions, hard parton scatterings with large momentum transfers are prerequisites for the formation of hard and rare probes. In heavy-ion collisions, these probes---final…Alena Gromada·Oct 9, 2020SaveLearn
Direct reaction contribution in the very low energy 19F(p,α0) reactionThe direct reaction component of the 19F(p,α0) reaction at Ecm=180-600 keV is studied for the data that has become very recently available. This component has been found to be…Lalit Kumar Sahoo, Chinmay Basu·Oct 8, 2020SaveLearn
Light (anti)nuclei production in high-energy nuclear collisions at the LHC with ALICEThe measurement of (anti)nuclei production in pp, p-A and A-A collisions at ultrarelativistic energies is important to understand hadronization. The excellent tracking and particle identification…Chiara Pinto·Oct 6, 2020SaveLearn
Negative heat capacity for hot nuclei using formulation from the microcanonical ensemble INDRA CollaborationBy using freeze-out properties of multifragmenting hot nuclei produced in quasifusion central 129Xe+natSn collisions at different beam energies (32, 39, 45 and 50 AMeV) which were estimated…B. Borderie, S. Piantelli, E. Bonnet et al.·Oct 5, 2020SaveLearn
Energy dependence of light neutral meson p T spectrum produced in pp collisions at the LHC measured in ALICEWe present the measurement of light neutral mesons, π0 and η, in pp collisions at different center-of-mass energies obtained with the ALICE experiment at the LHC. The π0 and η…Pooja Pareek·Oct 4, 2020SaveLearn
Fine Structure of the Isovector Giant Dipole Resonance in 142-150Nd and 152SmBackground: Inelastic proton scattering at energies of a few hundred MeV and very-forward angles including 0 has been established as a tool to study electric-dipole strength distributions in…L. M. Donaldson, J. Carter, P. von Neumann-Cosel et al.·Oct 2, 2020SaveLearn
High precision half-life measurement of 95Ru, 95Tc and 95mTc with γ-spectroscopyThe precise knowledge of the half-life of the reaction product is of crucial importance for a nuclear reaction cross section measurement carried out with the activation technique. The cross section…T. N. Szegedi, Á. Tóth, G. G. Kiss et al.·Oct 2, 2020SaveLearn
Dynamical fission of the quasiprojectile and isospin equilibration for the system 80Kr+ 48 Ca at 35 MeV/nucleonExperimental results concerning the dynamical fission of quasiprojectiles in semiperipheral collisions for the system 80 Kr+ 48 Ca at 35 MeV/nucleon are presented. Data have been collected with four…S. Piantelli, G. Casini, A. Ono et al.·Oct 1, 2020SaveLearn
Gamma-ray and conversion-electron spectroscopy of the high-spin isomer in 145SmBackground: High-spin isomers at ≈9-MeV excitation energies have been reported in several N = 83 isotones near Z = 64. Spin and parity assignments of Jπ = 49/2+ remain tentative for a…Matthew Gerathy, Gregory Lane, Andrew Stuchbery et al.·Oct 1, 2020SaveLearn
Flavour and Energy Dependence of Chemical Freeze-out Temperatures in Relativistic Heavy Ion Collisions from RHIC-BES to LHC EnergiesWe present calculations of the chemical freeze-out temperature (Tch) based on particle yields from STAR and ALICE measured at collision energies ranging from sqrtsNN = 11.5 GeV to 5.02 TeV.…Fernando Antonio Flor, Gabrielle Olinger, Rene Bellwied·Sep 30, 2020SaveLearn
Measurement of proton-proton elastic scattering into the Coulomb region at Pbeam = 2.5, 2.8 and 3.2 GeV/cThe proton--proton elastic differential cross section at very small four momentum transfer squared has been measured at three different incident proton momenta in the range of 2.5 to 3.2 GeV/c by…H. Xu, Y. Zhou, U. Bechstedt et al.·Sep 29, 2020SaveLearn
Precise Half-Life Values for Two-Neutrino Double-β Decay: 2020 reviewAll existing positive results on two-neutrino double beta decay and two-neutrino double electron capture in different nuclei have been analyzed. Weighted average and recommended half-life values for…Alexander Barabash·Sep 29, 2020SaveLearn
A look into mirrors: A measurement of the β-asymmetry in 19Ne decay and searches for new physicsHigh precision measurements of isospin T=1/2 decays in the neutron and nuclei provide strong model-independent constraints on extensions to the standard model of particle physics. A measurement of…Dustin Combs, Gordon Jones, William Anderson et al.·Sep 29, 2020SaveLearn