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New observational data of neutron stars since GW170817 have helped improve our knowledge about nuclear symmetry energy especially at high densities. We have learned particularly: (1) The slope parameter $L$ of nuclear symmetry energy at…

Nuclear Theory · Physics 2021-06-08 Bao-An Li , Bao-Jun Cai , Wen-Jie Xie , Nai-Bo Zhang

The aim of the present work is a state-by-state analysis of possible E1 and M1 transitions in $^{58}$Ni with a high-resolution (p,p') experiment at 295 MeV and very forward angles including 0{\deg} and a comparison to results from studies…

Neutron scattering off neutron halos can provide important information about the internal structure of nuclei close to the neutron drip line. In this work, we use halo effective field theory to study the $s$-wave scattering of a neutron and…

Nuclear Theory · Physics 2023-08-25 Xu Zhang , Hai-Long Fu , Feng-Kun Guo , Hans-Werner Hammer

Within a microscopic approach which takes into account RPA configurations, the single-particle continuum and more complex $1p1h\otimes phonon$ configurations isoscalar and isovector M1 excitations for the unstable nuclei ${56,78}$Ni and…

Nuclear Theory · Physics 2015-06-26 S. Kamerdzhiev , J. Speth , G. Tertychny , J. Wambach

The $^{18}$Ne(d,t)$^{17}$Ne and $^{18}$Ne(d,$^3$He)$^{17}$F single-nucleon pickup reactions were measured at 16.5 MeV/nucleon in inverse kinematics together with elastic and inelastic scattering channels. The full set of measured exclusive…

The Gamow-Teller strength distribution from ${}^{88}$Sr was extracted from a $(t,{}^{3}\text{He}+\gamma)$ experiment at 115 MeV/$u$ to constrain estimates for the electron-capture rates on nuclei around $N=50$, between and including…

The microscopic structure of neutron-rich sd-shell nuclei is investigated by using the spherical shell-model in the sd-pf valence space with the extended pairing plus quadrupole-quadrupole forces accompanied by the monopole interaction…

Nuclear Theory · Physics 2015-03-17 Kazunari Kaneko , Yang Sun , Takahiro Mizusaki , Munetake Hasegawa

We studied simultaneously the 4He(e,e'p), 4He(e,e'pp), and 4He(e,e'pn) reactions at Q^2=2 [GeV/c]2 and x_B>1, for a (e,e'p) missing-momentum range of 400 to 830 MeV/c. The knocked-out proton was detected in coincidence with a proton or…

Nuclear Experiment · Physics 2014-07-16 I. Korover N. Muangma , O. Hen , R. Shneor , V. Sulkosky , A. Kelleher , S. Gilad , D. W. Higinbotham , E. Piasetzky J. Watson , S. Wood , Abdurahim Rakhman , P. Aguilera , Z. Ahmed , H. Albataineh , K. Allada , B. Anderson , D. Anez , K. Aniol , J. Annand , W. Armstrong , J. Arrington , T. Averett , T. Badman , H. Baghdasaryan , X. Bai , A. Beck , S. Beck , V. Bellini , F. Benmokhtar , W. Bertozzi , J. Bittner , W. Boeglin , A. Camsonne , C. Chen , J. -P. Chen , K. Chirapatpimol , E. Cisbani , M. M. Dalton , A. Daniel , D. Day , C. W. de Jager , R. De Leo , W. Deconinck , M. Defurne , D. Flay , N. Fomin , M. Friend , S. Frullani , E. Fuchey , F. Garibaldi , D. Gaskell , R. Gilman , O. Glamazdin , C. Gu , P. Gueye , D. Hamilton , C. Hanretty , O. Hansen , M. Hashemi Shabestari , T. Holmstrom , M. Huang , S. Iqbal , G. Jin , N. Kalantarians , H. Kang , M. Khandaker , J. LeRose , J. Leckey , R. Lindgren , E. Long , J. Mammei , D. J. Margaziotis , P. Markowitz , A. Marti Jimenez-Arguello , D. Meekins , Z. Meziani , R. Michaels , M. Mihovilovic , P. Monaghan , C. Munoz Camacho , B. Norum , Nuruzzaman , K. Pan , S. Phillips , I. Pomerantz , M. Posik , V. Punjabi , X. Qian , Y. Qiang , X. Qiu , P. E. Reimer , S. Riordan , G. Ron , O. Rondon-Aramayo , A. Saha , E. Schulte , L. Selvy , A. Shahinyan , S. Sirca , J. Sjoegren , K. Slifer , P. Solvignon , N. Sparveris , R. Subedi , W. Tireman , D. Wang , L. B. Weinstein , B. Wojtsekhowski , W. Yan , I. Yaron , Z. Ye , X. Zhan , J. Zhang , Y. Zhang , B. Zhao , Z. Zhao , X. Zheng , P. Zhu , R. Zielinski

The neutron-rich nucleus $^{144}$Ba ($t_{1/2}$=11.5 s) is expected to exhibit some of the strongest octupole correlations among nuclei with mass numbers $A$ less than 200. Until now, indirect evidence for such strong correlations has been…

Measurements of the ground-state nuclear spins, magnetic and quadrupole moments of the copper isotopes from 61Cu up to 75Cu are reported. The experiments were performed at the ISOLDE facility, using the technique of collinear laser…

The quest to understand multi-neutron systems has a long history, and recent experimental efforts aim to probe candidate four-neutron configurations in neutron-rich light nuclei such as ${}^8$He and ${}^7$H via quasi-free knockout…

Nuclear Theory · Physics 2026-02-23 Shuang Zhang , Serdar Elhatisari , Ulf-G. Meißner

Two methods based on bremsstrahlung were applied to the stable even Mo isotopes for the experimental determination of the photon strength function covering the high excitation energy range above 4 MeV with its increasing level density.…

Nuclear Experiment · Physics 2010-04-14 M. Erhard , A. R. Junghans , C. Nair , R. Schwengner , R. Beyer , J. Klug , K. Kosev , A. Wagner , E. Grosse

Nuclear structures of the atomic nuclei can be theoretically investigated by using nuclear shell model. Generally, a doubly closed-shell nucleus has been considered as inert core and the nucleons outside the core are taken into account in…

Nuclear Theory · Physics 2020-04-14 Serkan Akkoyun , Tuncay Bayram

The neutron emission in projectile fragmentation at relativistic energies was studied with the Large-Area-Neutron-Detector LAND coupled to the ALADIN forward spectrometer at the GSI Schwerionen-Synchrotron (SIS). Stable 124Sn and…

The properties of nuclei with extreme neutron-to-proton ratios, far from those naturally occurring on Earth, are key to understand nuclear forces and how nucleons hold together to form nuclei. $^7$H, with six neutrons and a single proton,…

The structure of $^{19,20,22}$C has been investigated using high-energy (about 240 MeV/nucleon) one- and two-neutron removal reactions on a carbon target. Measurements were made of the inclusive cross sections and momentum distributions for…

The region around neutron number N = 60 in the neutron-rich Sr and Zr nuclei is one of the most dramatic examples of a ground state shape transition from (near) spherical below N = 60 to strongly deformed shapes in the heavier isotopes. The…

The recently confirmed neutron-shell closure at N = 32 has been investigated for the first time below the magic proton number Z = 20 with mass measurements of the exotic isotopes 52,53K, the latter being the shortest-lived nuclide…

In this work, we have analyzed the structural properties of even-even $^{126-188}Nd_{60}$ isotopes. For this we have used axially deformed Relativistic Mean Field (RMF) model with PK1 and NL-SH parametrization. In structural properties, We…

Nuclear Theory · Physics 2026-05-07 P. Mohanty , C. Dash , A. Anupam , B. B. Sahu

We perform coupled-cluster calculations for the doubly magic nuclei 4He, 16O, 40Ca and 48Ca, for neutron-rich isotopes of oxygen and fluorine, and employ "bare" and secondary renormalized nucleon-nucleon interactions. For the…

Nuclear Theory · Physics 2015-03-17 G. Hagen , T. Papenbrock , D. J. Dean , M. Hjorth-Jensen