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Related papers: Evidence for strong isovector nuclear spin-orbit i…

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A direct fit of the isoscalar spin-orbit (SO) and both isoscalar and isovector tensor coupling constants to the f5/2-f7/2 SO splittings in 40Ca, 56Ni, and 48Ca nuclei requires a drastic reduction of the isoscalar SO strength and strong…

Nuclear Theory · Physics 2009-12-30 M. Zalewski , P. Olbratowski , M. Rafalski , W. Satula , T. R. Werner , R. A. Wyss

The strong interaction effects of isospin- and spin-dependent nucleon-nucleon correlations observed in many-body calculations are interpreted in terms of a one-pion exchange mechanism. Including such effects in computations of nuclear…

Nuclear Theory · Physics 2009-11-10 Gerald A. Miller

Various kinds of isovector nucleon effective masses are used in the literature to characterize the momentum/energy dependence of the nucleon symmetry potential or self-energy due to the space/time non-locality of the underlying isovector…

Nuclear Theory · Physics 2018-02-21 Bao-An Li , Bao-Jun Cai , Lie-Wen Chen , Jun Xu

We present the self-consistent, non-perturbative analysis of isospin mixing using the nuclear density functional approach and the rediagonalization of the Coulomb interaction in the good-isospin basis. The largest isospin-breaking effects…

Nuclear Theory · Physics 2009-09-02 W. Satula , J. Dobaczewski , W. Nazarewicz , M. Rafalski

An alternative way to constrain the density dependence of the symmetry energy with the slope of the neutron skin thickness of nuclei which shows a linear relation to both the isospin asymmetry and the nuclear charge with a form of Z^{2/3}…

Nuclear Theory · Physics 2011-08-02 Min Liu , Zhuxia Li , Ning Wang , Fengshou Zhang

We report the first experimental results on spin-dependent elastic weakly interacting massive particle (WIMP) nucleon scattering from the XENON1T dark matter search experiment. The analysis uses the full ton year exposure of XENON1T to…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-01 E. Aprile , J. Aalbers , F. Agostini , M. Alfonsi , L. Althueser , F. D. Amaro , M. Anthony , V. C. Antochi , F. Arneodo , L. Baudis , B. Bauermeister , M. L. Benabderrahmane , T. Berger , P. A. Breur , A. Brown , A. Brown , E. Brown , S. Bruenner , G. Bruno , R. Budnik , C. Capelli , J. M. R. Cardoso , D. Cichon , D. Coderre , A. P. Colijn , J. Conrad , J. P. Cussonneau , M. P. Decowski , P. de Perio , P. Di Gangi , A. Di Giovanni , S. Diglio , A. Elykov , G. Eurin , J. Fei , A. D. Ferella , A. Fieguth , W. Fulgione , A. Gallo Rosso , M. Galloway , F. Gao , M. Garbini , L. Grandi , Z. Greene , C. Hasterok , E. Hogenbirk , J. Howlett , M. Iacovacci , R. Itay , F. Joerg , S. Kazama , A. Kish , G. Koltman , A. Kopec , H. Landsman , R. F. Lang , L. Levinson , Q. Lin , S. Lindemann , M. Lindner , F. Lombardi , J. A. M. Lopes , E. López Fune , C. Macolino , J. Mahlstedt , A. Manfredini , F. Marignetti , T. Marrodán Undagoitia , J. Masbou , D. Masson , S. Mastroianni , M. Messina , K. Micheneau , K. Miller , A. Molinario , K. Morå , Y. Mosbacher , M. Murra , J. Naganoma , K. Ni , U. Oberlack , K. Odgers , B. Pelssers , F. Piastra , J. Pienaar , V. Pizzella , G. Plante , R. Podviianiuk , N. Priel , H. Qiu , D. Ramírez García , S. Reichard , B. Riedel , A. Rizzo , A. Rocchetti , N. Rupp , J. M. F. dos Santos , G. Sartorelli , N. Šarčević , M. Scheibelhut , S. Schindler , J. Schreiner , D. Schulte , M. Schumann , L. Scotto Lavina , M. Selvi , P. Shagin , E. Shockley , M. Silva , H. Simgen , C. Therreau , D. Thers , F. Toschi , G. Trinchero , C. Tunnell , N. Upole , M. Vargas , O. Wack , H. Wang , Z. Wang , Y. Wei , C. Weinheimer , D. Wenz , C. Wittweg , J. Wulf , Z. Xu , J. Ye , Y. Zhang , T. Zhu , J. P. Zopounidis

We compute isospin-violating meson-nucleon coupling constants and their consequent charge-symmetry-breaking nucleon-nucleon potentials. The couplings result from evaluating matrix elements of quark currents between nucleon states in a…

Nuclear Theory · Physics 2008-11-26 S. Gardner , C. J. Horowitz , J. Piekarewicz

We calculate at two-loop order in chiral perturbation theory the electromagnetic corrections to the two-pion exchange nucleon-nucleon interaction that is generated by the isovector spin-flip $\pi\pi NN$ contact-vertex proportional to the…

Nuclear Theory · Physics 2009-11-11 N. Kaiser

We utilize the generalized contact formalism in conjunction with the Woods-Saxon mean-field description of the long-range part of the nuclear wave function to assess the relative prevalence of short-range correlation pairs within atomic…

Nuclear Theory · Physics 2024-07-23 Raz Yankovich , Ehoud Pazy , Nir Barnea

There are numerous recent and ongoing experiments employing a variety of atomic species to search for couplings of atomic spins to exotic fields. In order to meaningfully compare these experimental results, the coupling of the exotic field…

Atomic Physics · Physics 2015-08-06 D. F. Jackson Kimball

The shell evolution has been studied extensively within the framework of interacting shell model, while the studies from the single particle viewpoint is relatively lacking or neglected. In particular, the isospin dependence of spin-orbit…

Nuclear Theory · Physics 2020-11-30 Weiqiang Ma , Yibin Qian

We study the role of the tensor term of the Skyrme effective interactions on the spin-orbit splittings in the N=82 isotones and Z=50 isotopes. The different role of the triplet-even and triplet-odd tensor forces is pointed out by analyzing…

Nuclear Theory · Physics 2008-11-26 G. Colo' , H. Sagawa , S. Fracasso , P. F. Bortignon , .

A new strategy of fitting the coupling constants of the nuclear energy density functional is proposed, which shifts attention from ground-state bulk to single-particle properties. The latter are analyzed in terms of the bare single-particle…

Nuclear Theory · Physics 2008-11-26 M. Zalewski , J. Dobaczewski , W. Satula , T. R. Werner

We study the binding energy differences of the valence proton and neutron of the mirror nuclei, $^{15}$O - $^{15}$N, $^{17}$F - $^{17}$O, $^{39}$Ca - $^{39}$K and $^{41}$Sc - $^{41}$Ca, using the quark-meson coupling model. The calculation…

Nuclear Theory · Physics 2009-11-06 K. Saito

Most of the Skyrme interactions are known to predict spin or isospin instabilities beyond the saturation density of nuclear matter which contradict predictions based on realistic interactions. A modification of the standard Skyrme…

Nuclear Theory · Physics 2015-05-13 Jérôme Margueron , Hiroyuki Sagawa

Nuclear super-allowed $\beta$ decay has been used to obtain tight limits on the value of the CKM matrix element $V_{ud}$ that is important for unitarity tests, and therefore important for tests of the standard model. Current requirements on…

Nuclear Theory · Physics 2023-03-10 Gerald A. Miller

Background: Response to spin-dependent operators has been investigated in the magnetic dipole and Gamow-Teller transitions, which provides magnetic properties of a nuclear system. Purpose: I investigate an isotopic dependence of the…

Nuclear Theory · Physics 2021-07-15 Kenichi Yoshida

Background: Measurements of neutron radii provide important constraints on the isovector sector of nuclear density functionals and offer vital guidance in areas as diverse as atomic parity violation, heavy-ion collisions, and neutron-star…

Nuclear Theory · Physics 2015-06-11 C. J. Horowitz , J. Piekarewicz

Both the Coulomb interaction and isospin symmetry breaking (ISB) parts of the nuclear interaction break the isospin symmetry in atomic nuclei. Effects of these two kinds of interaction on properties of atomic nuclei, especially, the mass…

Nuclear Theory · Physics 2023-06-22 Tomoya Naito , Gianluca Colò , Haozhao Liang , Xavier Roca-Maza , Hiroyuki Sagawa

Pseudospin symmetry in nuclei is investigated by solving the Dirac equation with Woods-Saxon scalar and vector radial potentials. We relate the pseudospin interaction with a pseudospin-orbit term in a Schroedinger-like equation for the…

Nuclear Theory · Physics 2017-08-23 R. Lisboa , M. Malheiro , A. Delfino , P. Alberto , M. Fiolhais , M. Chiapparini