Joint Measurement of the 235U Antineutrino Spectrum by Prospect and StereoThe PROSPECT and STEREO collaborations present a combined measurement of the pure 235U antineutrino spectrum, without site specific corrections or detector-dependent effects. The spectral…H. Almazán, M. Andriamirado, A. B. Balantekin et al.·Jul 7, 2021SaveLearn
Using spin alignment of inelastically-excited fast beams to make spin assignments: the spectroscopy of 13O as a test caseExcited states in 13O were investigated using inelastic scattering of an E/A=69.5-MeV 13O beam off of a 9Be target. The excited states were identified in the invariant-mass spectra of the decay…R. J. Charity, T. B. Webb, J. M. Elson et al.·Jul 7, 2021SaveLearn
Measurement of the 239Pu(n,f)/235U(n,f) Cross-Section Ratio with the NIFFTE fission Time Projection ChamberThe 239Pu(n,f)/235U(n,f) cross-section ratio has been measured with the fission Time Projection Chamber (fissionTPC) from 100 keV to 100 MeV. The fissionTPC provides three-dimensional…L. Snyder, M. Anastasiou, N. S. Bowden et al.·Jul 6, 2021SaveLearn
Measurements of the electron-helicity asymmetry in the quasi-elastic A(e,e' p) processWe present measurements of the electron helicity asymmetry in quasi-elastic proton knockout from 2H and 12C nuclei by polarized electrons. This asymmetry depends on the fifth structure…Tim Kolar, Sebouh J. Paul, Patrick Achenbach et al.·Jul 1, 2021SaveLearn
First observation of high-K isomeric states in 249Md and 251MdDecay spectroscopy of the odd-proton nuclei 249Md and 251Md has been performed. High-K isomeric states were identified for the first time in these two nuclei through the measurement of…T. Goigoux, Ch. Theisen, B. Sulignano et al.·Jul 1, 2021SaveLearn
Relationships among detector signals recorded during events SN1987A and GW170817The temporal coincidences of events detected in four neutrino detectors and two gravitational antennas still remains among the most puzzling phenomena associated with SN1987A. The coincidences form a…N. Agafonova, A. Malgin, E. Fischbach·Jul 1, 2021SaveLearn
Study of (6Li, d) and (6Li, t) reactions on 22Ne and implications for s-process nucleosynthesisWe studied α cluster states in 26Mg via the 22Ne(6Li,dγ)26Mg reaction in inverse kinematics at an energy of 7 MeV/nucleon. States between Ex = 4 - 12 MeV in…S. Ota, G. Christian, W. N. Catford et al.·Jun 30, 2021SaveLearn
NEXO: Neutrinoless double beta decay search beyond 1028 year half-life sensitivityThe nEXO neutrinoless double beta decay experiment is designed to use a time projection chamber and 5000 kg of isotopically enriched liquid xenon to search for the decay in 136Xe. Progress in…nEXO Collaboration, G. Adhikari, S. Al Kharusi et al.·Jun 30, 2021SaveLearn
Inclusive α Production for 6Li+51V SystemMeasurement of angular distributions and energy spectra of α and deuterons through breakup, transfer and incomplete fusion processes to dis-entangle their relative contributions and to…C. Joshi, H. Kumawat, V. V. Parkar et al.·Jun 30, 2021SaveLearn
Two- and three-particle nonflow contributions to the chiral magnetic effect measurement by spectator and participant planes in relativistic heavy ion collisionsCorrelation measurements with respect to the spectator and participant planes in relativistic heavy ion collisions were proposed to extract the chiral magnetic effect (CME) from background dominated…Yicheng Feng, Jie Zhao, Hanlin Li et al.·Jun 29, 2021SaveLearn
Beam-spin asymmetry for - hyperon photoproduction off the neutronWe report a new measurement of the beam-spin asymmetry for the γ n → K+- reaction using quasi-free neutrons in a liquid-deuterium target. The new…Nicholas Zachariou, Edwin Munevar, Barry Berman et al.·Jun 26, 2021SaveLearn
Delayed 160Tb radioactivity buildup due to 159Tb(n,2n) nuclear reaction products transformation and subsequent fusionThis paper deals with the formation of a bound dineutron in the outgoing channel of the 159Tb(n,2n)158gTb nuclear reaction followed by assumed transformations of this reaction products…Ihor M. Kadenko, Nadiia V. Sakhno, Oleksandr M. Gorbachenko et al.·Jun 25, 2021SaveLearn
Isomeric states in neutron-rich nuclei around N = 40Neutron-rich nuclei in the vicinity of the N=40 island of inversion are characterized by shell evolution and exhibit deformed ground states. In several nuclei isomeric states have been observed and…K. Wimmer, F. Recchia, S. M. Lenzi et al.·Jun 25, 2021SaveLearn
Production of K*(892)0 and φ(1020) in pp and Pb-Pb collisions at s NN = 5.02 TeVThe production of K*(892)0 and φ(1020) mesons in proton-proton (pp) and lead-lead (Pb-Pb) collisions at sNN = 5.02 TeV has been measured using the ALICE detector at…ALICE Collaboration·Jun 24, 2021SaveLearn
Joint Determination of Reactor Antineutrino Spectra from 235U and 239Pu Fission by Daya Bay and PROSPECTA joint determination of the reactor antineutrino spectra resulting from the fission of 235U and 239Pu has been carried out by the Daya Bay and PROSPECT collaborations. This Letter reports…Daya Bay Collaboration, PROSPECT Collaboration, F. P. An et al.·Jun 23, 2021SaveLearn
Photoexcitation of 76GeThe dipole strength of the nuclide 76Ge was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.8 and 12.3 MeV at the γELBE…R. Schwengner, R. Massarczyk, K. Schmidt et al.·Jun 23, 2021SaveLearn
Charge Radius of Neutron-deficient 54Ni and Symmetry Energy Constraints Using the Difference in Mirror Pair Charge RadiiThe nuclear root-mean-square charge radius of 54Ni was determined with collinear laser spectroscopy to be R(54Ni) = 3.737\,(3)~fm. In conjunction with the known radius of the mirror nucleus…Skyy V. Pineda, Kristian König, Dominic M. Rossi et al.·Jun 18, 2021SaveLearn
Improved neutron lifetime measurement with UCNτWe report an improved measurement of the free neutron lifetime τn using the UCNτ apparatus at the Los Alamos Neutron Science Center. We counted a total of approximately 38×106…F. M. Gonzalez, E. M. Fries, C. Cude-Woods et al.·Jun 18, 2021SaveLearn
Cross-sections of photonuclear reactions on natMo targets at end-point bremsstrahlung energy up to Eγmax = 100 MeVExperiments to determine the yields and bremsstrahlung flux-averaged cross-sections <σ(Eγmax)> of photonuclear reactions on the natural Mo targets were performed on the beam from…A. N. Vodin, O. S. Deiev, I. S. Timchenko et al.·Jun 18, 2021SaveLearn
Search for the chiral magnetic effect via charge-dependent azimuthal correlations relative to spectator and participant planes in Au+Au collisions at sNN = 200 GeVThe chiral magnetic effect (CME) refers to charge separation along a strong magnetic field due to imbalanced chirality of quarks in local parity and charge-parity violating domains in quantum…STAR Collaboration, M. S. Abdallah, J. Adam et al.·Jun 17, 2021SaveLearn
Neutron Spin Structure from e-3He Scattering with Double Spectator Tagging at the Electron-Ion ColliderThe spin structure function of the neutron is traditionally determined by measuring the spin asymmetry of inclusive electron deep inelastic scattering (DIS) off polarized3He nuclei. In such…Ivica Friscic, Dien Nguyen, Jackson Pybus et al.·Jun 16, 2021SaveLearn
159Dy electron-capture: a strong new candidate for neutrino mass determinationThe ground-state to ground-state electron-capture Q value of 159Dy (3/2-) has been measured directly utilizing the double Penning trap mass spectrometer JYFLTRAP. A value of…Z. Ge, T. Eronen, K. S. Tyrin et al.·Jun 11, 2021SaveLearn
Expanding Nuclear Physics Horizons with the Gamma FactoryThe Gamma Factory (GF) is an ambitious proposal, currently explored within the CERN Physics Beyond Colliders program, for a source of photons with energies up to ≈ 400\,MeV and photon fluxes…Dmitry Budker, Julian C. Berengut, Victor V. Flambaum et al.·Jun 11, 2021SaveLearn
Measurement of material isotopics and atom number ratio with alpha-particle spectroscopy for the NIFFTE fission Time Projection Chamber actinide targetWe present the results of a measurement of isotopic concentrations and atomic number ratio of a double-sided actinide target with alpha-spectroscopy and mass spectrometry. The double-sided actinide…M. Monterial, K. T. Schmitt, C. Prokop et al.·Jun 10, 2021SaveLearn
New experimental limits on double-beta decay of osmiumDouble-beta processes in 184Os and 192Os were searched for over 15851 h at the Gran Sasso National Laboratory (LNGS) of the I.N.F.N. by using a 118 g ultra-pure osmium sample installed on…P. Belli, R. Bernabei, F. Cappella et al.·Jun 10, 2021SaveLearn