Position uncertainties of AGATA pulse-shape analysis estimated via the boostrapping methodThe unprecedented capabilities of state-of-the-art segmented germanium-detector arrays, such as AGATA and GRETA, derive from the possibility of performing pulse-shape analysis. The comparison of the…M. Siciliano, J. Ljungvall, A. Goasduff et al.·Jan 5, 2021SaveLearn
Energy dependent angular distribution of individual γ-rays in the 139La(n, γ)140La* reactionNeutron energy-dependent angular distributions were observed for individual γ-rays from the 0.74 eV p-wave resonance of 139La+n to several lower excited states of 140La. The…T. Okudaira, S. Endo, H. Fujioka et al.·Jan 1, 2021SaveLearn
High precision measurements of half-lives for 69Ge, 73Se, 83Sr, 85mSr, and 63Zn radionuclides relevant to the astrophysical p-process via photoactivation at the Madison Accelerator LaboratoryThe ground state half-lives of 69Ge, 73Se, 83Sr, 63Zn, and the half-life of the 1/2- isomer in 85Sr have been measured with high precision using the photoactivation technique at an unconventional…T. A. Hain, S. J. Pendleton, J. A. Silano et al.·Dec 30, 2020SaveLearn
Cross-sections for the 27\!Al(γ,x)24Na multiparticle reaction at Eγ max = 40 95 MeVThe bremsstrahlung flux-averaged cross-sections σ(Eγ max) and the cross-sections per equivalent photon σ(Eγ max)Q were…A. N. Vodin, O. S. Deiev, I. S. Timchenko et al.·Dec 28, 2020SaveLearn
Measurement of the neutron decay electron-antineutrino angular correlation by the aCORN experimentThe aCORN experiment measures the neutron decay electron-antineutrino correlation (a-coefficient) using a novel method based on an asymmetry in proton time-of-flight for events where the beta…M. T. Hassan, W. A. Byron, G. Darius et al.·Dec 28, 2020SaveLearn
Investigation of pair-correlated 0+ states in 134Ba via the 136Ba(p,t) reactionWe performed a high resolution study of 0+ states in 134Ba using the 136Ba(p,t) two-neutron transfer reaction. Our experiment shows a significant portion of the L = 0 pair-transfer…J. C. Nzobadila Ondze, B. M. Rebeiro, S. Triambak et al.·Dec 28, 2020SaveLearn
Laser spectroscopy of neutron-rich 207,208Hg isotopes: Illuminating the kink and odd-even staggering in charge radii across the N=126 shell closureThe mean-square charge radii of 207,208Hg (Z=80, N=127,128) have been studied for the first time and those of 202,203,206Hg (N=122,123,126) remeasured by the application of in-source…T. Day Goodacre, A. V. Afanasjev, A. E. Barzakh et al.·Dec 26, 2020SaveLearn
Global polarization of and hyperons in Au+Au collisions at s_NN = 200 GeVGlobal polarization of and hyperons has been measured for the first time in Au+Au collisions at s_NN = 200 GeV. The measurements of the - and + hyperon…STAR Collaboration, J. Adam, L. Adamczyk et al.·Dec 25, 2020SaveLearn
Lifetime measurements of excited states in 15OThe CNO cycle is the main energy source in stars more massive than our sun, it defines the energy production and the cycle time that lead to the lifetime of massive stars, and it is an important tool…B. Frentz, A. Aprahamian, A. M. Clark et al.·Dec 23, 2020SaveLearn
Results on 82Se 2ββ with CUPID-0 Phase IThe nucleus is an extraordinarily complex object where fundamental forces are at work. The solution of this many-body problem has challenged physicists for decades: several models with complementary…L Pagnanini, O Azzolini, J W Beeman et al.·Dec 23, 2020SaveLearn
Comprehensive test of the Brink-Axel hypothesis in the energy region of the pygmy dipole resonanceThe validity of the Brink-Axel hypothesis, which is especially important for numerous astrophysical calculations, is addressed for 116,120,124Sn below the neutron separation energy by means of three…M. Markova, P. von Neumann-Cosel, A. C. Larsen et al.·Dec 22, 2020SaveLearn
Measurement of the 2ββ Decay Half-life of 130Te with CUOREWe measured two-neutrino double beta decay of 130Te using an exposure of 300.7 kg·yr accumulated with the CUORE detector. Using a Bayesian analysis to fit simulated spectra to experimental…CUORE Collaboration, D. Q. Adams, C. Alduino et al.·Dec 21, 2020SaveLearn
Measurement of the Ar(e,e p) and Ti(e,e p) cross sections in Jefferson Lab Hall AThe E12-14-012 experiment, performed in Jefferson Lab Hall A, has collected exclusive electron-scattering data (e,e) in parallel kinematics using natural argon and natural titanium targets.…L. Gu, D. Abrams, A. M. Ankowski et al.·Dec 21, 2020SaveLearn
International Workshop on Next Generation Gamma-Ray SourceA workshop on The Next Generation Gamma-Ray Sources sponsored by the Office of Nuclear Physics at the Department of Energy, was held November 17--19, 2016 in Bethesda, Maryland. The goals of the…C. R. Howell, M. W. Ahmed, A. Afanasev et al.·Dec 20, 2020SaveLearn
Extraction of the specific shear viscosity of quark-gluon plasma from two-particle transverse momentum correlationsThe specific shear viscosity, η/s, of the quark-gluon plasma formed in ultrarelativistic heavy-ion collisions at RHIC and LHC is estimated based on the progressive longitudinal broadening of…Victor Gonzalez, Sumit Basu, Pedro Ladron de Guevara et al.·Dec 18, 2020SaveLearn
The reactor antineutrino spectrum calculationNew fissile isotopes antineutrino spectra (235U, 238U, 239Pu and 241Pu) calculation is presented. On base of summation method the toy model was developed. It was shown that total…S. V. Silaeva, V. V. Sinev·Dec 17, 2020SaveLearn
On the β-decay of 186HgThe Gamow-Teller strength distribution of the decay of 186Hg into 186Au has been determined for the first time using the total absorption gamma spectroscopy technique and has been compared…A. Algora, E. Ganioğlu, P. Sarriguren et al.·Dec 17, 2020SaveLearn
Study of the strong interaction among hadrons with correlations at the LHCThe strong interaction among hadrons has been measured in the past by scattering experiments. Although this technique has been extremely successful in providing information about the nucleon-nucleon…L. Fabbietti, V. Mantovani Sarti, O. Vazquez Doce·Dec 17, 2020SaveLearn
Heavy Ions, Experimental OverviewThis article gives an overview of recent highlights from experimental measurements of heavy-ion collisions at ultra-relativistic energies: Measurements of electroweak probes constrain both the…Yvonne Pachmayer·Dec 16, 2020SaveLearn
Almost medium-free measurement of the Hoyle state direct-decay component with a TPCBackground: The structure of the Hoyle state, a highly α-clustered state at 7.65 MeV in 12C, has long been the subject of debate. Understanding if the system comprises of three…J. Bishop, G. V. Rogachev, S. Ahn et al.·Dec 15, 2020SaveLearn
Evidence against the Efimov effect in 12C from spectroscopy and astrophysicsBackground: The Efimov effect is a universal phenomenon in physics whereby three-body systems are stabilized via the interaction of an unbound two-body sub-systems. A hypothetical state in…J. Bishop, G. V. Rogachev, S. Ahn et al.·Dec 15, 2020SaveLearn
A search for rare and induced nuclear decays in hafniumA measurement of hafnium foil using a modified ultra-low-background high purity detector with optimized sample-to-detector geometry was performed at Laboratori Nazionale del Gran Sasso. Radiopurity…B. Broerman, M. Laubenstein, S. Nagorny et al.·Dec 15, 2020SaveLearn
Extensive study of the quality of fission yields from experiment, evaluation and GEF for antineutrino studies and applicationsThe understanding of the antineutrino production in fission and the theoretical calculation of their energy spectra in different types of fission reactors rely on the application of the summation…K. -H. Schmidt, M. Estienne, M. Fallot et al.·Dec 15, 2020SaveLearn
Comparison of transverse single-spin asymmetries for forward π0 production in polarized pp, pAl and pAu collisions at nucleon pair c.m. energy sNN= 200 GeVThe STAR Collaboration reports a measurement of the transverse single-spin asymmetries, AN, for neutral pions produced in polarized proton collisions with protons (pp), with aluminum nuclei…STAR Collaboration, J. Adam, L. Adamczyk et al.·Dec 13, 2020SaveLearn
Symmetry energy investigation with pion production from Sn+Sn systemsIn the past two decades, pions created in the high density regions of heavy ion collisions have been predicted to be sensitive at high densities to the symmetry energy term in the nuclear equation of…G. Jhang, J. Estee, J. Barney et al.·Dec 13, 2020SaveLearn