Photoneutron reactions on 93Nb at Eγ max=33-93 MeVThe bremsstrahlung flux-averaged cross sections for the photoneutron reactions 93Nb(γ ,xn;x=1-5)(93-x)m,gNb were measured in the range of boundary energies of…A. N. Vodin, O. S. Deiev, V. Yu. Korda et al.·Jan 21, 2021SaveLearn
Feasibility of an experimental search for a resonance of a pion and a light nucleusA hypothesis is proposed herein, suggesting that a pion-nuclear resonance may be observed in the α+d6Li(3.563)+π0 reaction. The resonance has a π NNα structure,…Hiroyuki Fujioka·Jan 19, 2021SaveLearn
First detection of collective oscillations of a stored deuteron beam with an amplitude close to the quantum limitWe investigated coherent betatron oscillations of a deuteron beam in the storage ring COSY, excited by a detuned radio-frequency Wien filter. The beam oscillations were detected by conventional beam…J. Slim, N. N. Nikolaev, F. Rathmann et al.·Jan 19, 2021SaveLearn
Detailed study of the decay of 32ArIn an experiment performed at the SPIRAL1 facility of GANIL, the beta decay of 32Ar has been studied by means of the "Silicon Cube" device associated with germanium clover detectors from the EXOGAM…B. Blank, N. Adimi, M. Alcorta et al.·Jan 16, 2021SaveLearn
Persistence of the Z=28 shell gap in A=75 isobars: Identification of a possible (1/2-) μs isomer in 75Co and β decay to 75NiBackground: The evolution of shell structure around doubly magic exotic nuclei is of great interest in nuclear physics and astrophysics. In the `southwest' region of 78Ni, the development of…S. Escrig, A. I. Morales, S. Nishimura et al.·Jan 15, 2021SaveLearn
Some remarks on the discovery of Md-244In two recent papers by Pore et al. and Khuyagbaatar et al. discovery of the new isotope Md-244 was reported. The decay data, however, are conflicting. While Pore et al. report two isomeric states…F. P. Hessberger, M. Block, Ch. E. Duellmann et al.·Jan 15, 2021SaveLearn
Isospin diffusion measurement from the direct detection of a Quasi-Projectile remnantThe neutron-proton equilibration process in 48 Ca+ 40 Ca at 35 MeV/nucleon bombarding energy has been experimentally estimated by means of the isospin transport ratio. Experimental data have been…A. Camaiani, G. Casini, S. Piantelli et al.·Jan 15, 2021SaveLearn
New α-Emitting Isotope 214U and Abnormal Enhancement of α-Particle Clustering in Lightest Uranium IsotopesA new α-emitting isotope 214U, produced by fusion-evaporation reaction 182W(36Ar, 4n)214U, was identified by employing the gas-filled recoil separator SHANS and…Z. Y. Zhang, H. B. Yang, M. H. Huang et al.·Jan 15, 2021SaveLearn
Spectroscopic studies of neutron-rich 129In and its β-decay daughter, 129Sn, using the GRIFFIN spectrometerThe β-decay of neutron-rich 129In into 129Sn was studied using the GRIFFIN spectrometer at the ISAC facility at TRIUMF. The study observed the half-lives of the ground state and each…F. H. Garcia, C. Andreoiu, G. C. Ball et al.·Jan 14, 2021SaveLearn
First measurement of the | t|-dependence of coherent J/ photonuclear productionThe first measurement of the cross section for coherent J/ photoproduction as a function of |t|, the square of the momentum transferred between the incoming and outgoing target nucleus, is…ALICE Collaboration·Jan 12, 2021SaveLearn
Coherent J/ and ' photoproduction at midrapidity in ultra-peripheral Pb-Pb collisions at sNN~=~5.02 TeVThe coherent photoproduction of J/ and ' mesons was measured in ultra-peripheral Pb-Pb collisions at a center-of-mass energy sNN~=~5.02 TeV with the ALICE…ALICE Collaboration·Jan 12, 2021SaveLearn
Scattering of ultracold neutrons from rough surfaces of metal foilsThe transparency of metal foils for ultracold neutrons (UCNs) plays an important role in the design of future high-density UCN sources, which will feed a number of fundamental physics experiments. In…Stefan Döge, Jürgen Hingerl, Egor V. Lychagin et al.·Jan 12, 2021SaveLearn
Experimental evidence of (M1+E2) mixed character of the 9.2 keV transition in 227Th and its consequence for spin-interpretation of low-lying levelsThe 9.2 keV nuclear transition in 227Th populated in the β-decay of 227Ac was studied by means of the internal conversion electron spectroscopy. Its multipolarity was proved to be of…A. Kovalík, A. Kh. Inoyatov, L. L. Perevoshchikov et al.·Jan 11, 2021SaveLearn
Measurement of quarkonium production in ALICEALICE is designated to study the quark-gluon plasma (QGP), a state of matter where, due to high temperature and density, quarks and gluons are deconfined. One of the probes used to investigate this…Victor Feuillard·Jan 11, 2021SaveLearn
Precision measurements of differential cross sections and analyzing powers in elastic deuteron-deuteron scattering at 65 MeV/nucleonWe present measurements of differential cross sections and analyzing powers for the elastic 2H(~d; d)d scattering process. The data were obtained using a 130 MeV polarized deuteron beam. Cross…R. Ramazani-Sharifabadi, A. Ramazani-Moghaddam-Arani, H. R. Amir-Ahmadi et al.·Jan 11, 2021SaveLearn
β-decay of 61V and its Role in Cooling Accreted Neutron Star CrustsThe interpretation of observations of cooling neutron star crusts in quasi-persistent X-ray transients is affected by predictions of the strength of neutrino cooling via crust Urca processes. The…W. -J. Ong, E. F. Brown, J. Browne et al.·Jan 11, 2021SaveLearn
Determination of the 60Zn level density from neutron evaporation spectraNuclear reactions of interest for astrophysics and applications often rely on statistical model calculations for nuclear reaction rates, particularly for nuclei far from β-stability. However,…D. Soltesz, M. A. A. Mamun, A. V. Voinov et al.·Jan 9, 2021SaveLearn
Long- and short-range correlations and their event-scale dependence in high-multiplicity pp collisions at s=13 TeVTwo-particle angular correlations are measured in high-multiplicity proton-proton collisions at s =13 TeV by the ALICE Collaboration. The yields of particle pairs at short-(η…ALICE Collaboration·Jan 8, 2021SaveLearn
Production of pions, kaons, (anti-)protons and φ mesons in Xe-Xe collisions at s NN = 5.44 TeVThe first measurement of the production of pions, kaons, (anti-)protons and φ mesons at midrapidity in Xe-Xe collisions at s NN = 5.44 TeV is presented. Transverse momentum…ALICE Collaboration·Jan 8, 2021SaveLearn
Large back-angle quasielastic scattering for 7Li+159TbQuasielastic scattering excitation function at large backward angle has been measured for the weakly bound system, 7Li+159Tb at energies around the Coulomb barrier. The corresponding…Piyasi Biswas, A. Mukherjee, D. Chattopadhyay et al.·Jan 8, 2021SaveLearn
Statistical properties of the well deformed 153,155Sm nuclei and the scissors resonanceThe Nuclear Level Densities (NLDs) and the γ-ray Strength Functions (γSFs) of 153,155Sm have been extracted from (d,pγ) coincidences using the Oslo method. The experimental…K. L. Malatji, K. S. Beckmann, M. Wiedeking et al.·Jan 8, 2021SaveLearn
First measurement of coherent 0 photoproduction in ultra-peripheral Xe-Xe collisions at s NN = 5.44 TeVThe first measurement of the coherent photoproduction of 0 vector mesons in ultra-peripheral Xe-Xe collisions at s NN= 5.44 TeV is presented. This result, together…ALICE Collaboration·Jan 7, 2021SaveLearn
Multi-harmonic correlations of different flow amplitudes in Pb-Pb collisions at s_ NN=2.76 TeVThe event-by-event correlations between three flow amplitudes are measured for the first time in Pb--Pb collisions, using higher-order Symmetric Cumulants. We find that different three-harmonic…ALICE Collaboration·Jan 7, 2021SaveLearn
Shape changes in the mirror nuclei 70Kr and 70SeWe studied the proton-rich Tz=-1 nucleus 70Kr through inelastic scattering at intermediate energies in order to extract the reduced transition probability, B(E2;\;0+ → 2+).…K. Wimmer, W. Korten, P. Doornenbal et al.·Jan 7, 2021SaveLearn
Probing nuclear forces beyond the nuclear drip line: The cases of 16F and 15FThe unbound proton-rich nuclei 16F and 15F are investigated experimentally and theoretically. Several experiments using the resonant elastic scattering method were performed at GANIL with…V. Girard-Alcindor, I. Stefan, F. de Oliveira Santos et al.·Jan 6, 2021SaveLearn