English
Related papers

Related papers: Pairing in nuclear systems with effective Gogny an…

200 papers

The Nucleon-Nucleon interaction is the starting point for ab initio Nuclear Structure and Nuclear reactions calculations. Those are effectively carried out via effective interactions fitting scattering data up to a maximal center of mass…

Nuclear Theory · Physics 2015-06-19 R. Navarro Perez , J. E. Amaro , E. Ruiz Arriola

We study generalized neutrino interactions (GNI) for several neutrino processes, including neutrinos from electron-positron collisions, neutrino-electron scattering, and neutrino deep inelastic scattering. We constrain scalar, pseudoscalar,…

High Energy Physics - Phenomenology · Physics 2021-07-20 F. J. Escrihuela , L. J. Flores , O. G. Miranda , Javier Rendón

The parity-violating nucleon-nucleon interaction is the key to understanding the strangeness-conserving hadronic weak interaction at low energies. In this brief talk, I review the past accomplishments in and current status of this subject,…

Nuclear Theory · Physics 2008-11-26 C. -P. Liu

The strong nuclear interaction between nucleons (protons and neutrons) is the effective force that holds the atomic nucleus together. This force stems from fundamental interactions between quarks and gluons (the constituents of nucleons)…

Nuclear Experiment · Physics 2020-10-28 A. Schmidt , J. R. Pybus , R. Weiss , E. P. Segarra , A. Hrnjic , A. Denniston , O. Hen , E. Piasetzky , L. B. Weinstein , N. Barnea , M. Strikman , A. Larionov , D. Higinbotham , S. Adhikari , M. Amaryan , G. Angelini , G. Asryan , H. Atac , H. Avakian , C. Ayerbe Gayoso , L. Baashen , L. Barion , M. Bashkanov , M. Battaglieri , A. Beck , I. Bedlinskiy , F. Benmokhtar , A. Bianconi , A. S. Biselli , F. Bossu , S. Biarinov , W. J. Briscoe , W. Brooks , V. D. Burkert , F. Cao , D. S. Carman , J. C. Carvajal , A. Celentano , P. Chatagnon , T. Chetry , G. Ciullo , L. Clark , E. Cohen , P. L. Cole , M. Contalbrigo , V. Crede , R. Cruz-Torres , A. D'Angelo , N. Dashyan , R. De Vita , E. De Sanctis , M. Defurne , A. Deur , S. Diehl , C. Djalali , M. Duer , M. Dugger , R. Dupre , H. Egiyan , M. Ehrhart , A. El Alaoui , L. El Fassi , P. Eugenio , A. Filippi , T. A. Forest , G. Gavalian , S. Gilad , G. P. Gilfoyle , K. L. Giovanetti , F. X. Girod , C. Giuseppe , D. I. Glazier , E. Golovatch , R. W. Gothe , K. A. Griffioen , L. Guo , K. Hafidi , H. Hakobyan , C. Hanretty , N. Harrison , M. Hattawy , F. Hauenstein , T. B. Hayward , K. Hicks , M. Holtrop , Y. Ilieva , I. Illari , D. Ireland , B. S. Ishkanov , E. L. Isupov , D. Jenkins , H. S. Jo , K. Joo , D. Keller , M. Khachatryan , A. Khanal , M. Khandaker , C. W. Kim , W. Kim , F. J. Klein , I. Korover , V. Kubarovsky , L. Lanza , M. Leali , P. Lenisa , I. J. D. MacGregor , D. Marchand , N. Markov , L. Marsicano , V. Mascagna , S. May-Tal Beck , B. McKinnon , M. Mirazita , V. Mokeev , C. Munoz Camacho , B. Mustapha , P. Nadel-Turonski , S. Nanda , S. Niccolai , G. Niculescu , M. Osipenko , A. I. Ostrovidov , M. Paolone , L. L. Pappalardo , R. Paremuzyan , K. Park , E. Pasyuk , M. Patsyuk , W. Phelps , O. Pogorelko , J. W. Price , Y. Prok , D. Protopopescu , M. Ripani , D. Riser , A. Rizzo , G. Rosner , P. Rossi , F. Sabatie , C. Salgado , B. Schmookler , R. A. Schumacher , Y. G. Sharabian , U. Shrestha , Iu. Skorodumina , D. Sokhan , O. Soto , N. Sparveris , S. Stepanyan , I. I. Strakovsky , S. Strauch , J. A. Tan , N. Tyler , M. Ungaro , L. Venturelli , H. Voskanyan , E. Voutier , R. Wang , D. P. Watts , X. Wei , M. H. Wood , N. Zachariou , J. Zhang , Z. W. Zhao , X. Zheng

The $^{1}S_{0}$ nucleonic superfluids are investigated within the relativistic mean-field model and Bardeen-Cooper-Schrieffer theory in hyperonic neutron stars. The $^{1}S_{0}$ pairing gaps of neutrons and protons are calculated based on…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Yan Xu , Cheng-Zhi Liu , Cun-Bo Fan , Xing-Wei Han , Xiao-Jun Zhang , Ming-Feng Zhu , Hong-Yan Wang , Guang-Zhou Liu

Applying a variational multiparticle-multihole configuration mixing method whose purpose is to include correlations beyond the mean field in a unified way without particle number and Pauli principle violations, we investigate pairing-like…

Nuclear Theory · Physics 2008-11-26 N. Pillet , J. -F. Berger , E. Caurier

A simple two-level model is developed and used to test the properties of effective interactions for performing nuclear structure calculations in truncated model spaces. It is shown that the effective many-body interactions sensitively…

Nuclear Theory · Physics 2009-10-22 B. R. Barrett , D. C. Zheng , R. J. McCarthy , J. P. Vary

We utilize a nuclear shell model Hamiltonian with only two adjustable parameters to generate, for the first time, exact solutions for pairing correlations for light to medium-mass nuclei, including the challenging proton-neutron pairs,…

Nuclear Theory · Physics 2019-12-18 M. E. Miora , K. D. Launey , D. Kekejian , F. Pan , J. P. Draayer

The nuclear structure of even-even and odd lead isotopes (178-236 Pb) is investigated within the Hartree-Fock-Bogoliubov theory. Calculations are performed for a wide range of neutron numbers, starting from the proton-rich side up to the…

Nuclear Theory · Physics 2018-01-10 Younes El Bassem , Mustapha Oulne

Effective density dependent pairing forces of zero range are adjusted on gap values in T=0,1 channels calculated with the Paris force in symmetric nuclear matter. General discussions on the pairing force are presented. In conjunction with…

Nuclear Theory · Physics 2016-08-15 E. Garrido , P. Sarriguren , E. Moya de Guerra , P. Schuck

The odd-even staggerings (OES) on nuclear binding energies are studied systematically within the covariant density functional (CDF) theories, specifically the relativistic Hartree-Fock-Bogoliubov (RHFB) and the relativistic…

Nuclear Theory · Physics 2019-04-24 Long Jun Wang , Bao Yuan Sun , Jian Min Dong , Wen Hui Long

We compute the ground-state properties of finite systems of neutrons in an external harmonic trap, interacting via the Minnesota potential, using the "exact-exchange" form of orbital-dependent density functional theory. We compare our…

Nuclear Theory · Physics 2011-07-28 Joaquín E. Drut , Lucas Platter

The theory of nuclear structure (binding, low energy spectra, transitions, etc.) depends on nucleon-nucleon (NN) interactions. The meson theory of NN interactions has predictive power for NN scattering, and partial success when applied to…

Nuclear Theory · Physics 2007-05-23 Daniel S. Koltun

We have calculated the one-body Fermi and Gamow-Teller charge-current, and vector and axial-vector neutral-current nuclear matrix elements in nucleon matter at densities of 0.08, 0.16 and 0.24 fm$^{-3}$ and proton fractions ranging from 0.2…

Nuclear Theory · Physics 2009-11-07 S. Cowell , V. R. Pandharipande

The nonperturbative nature of inter-nucleon interactions is explored by varying the momentum cutoff of a two-nucleon potential. Conventional force models, which have large cutoffs, are nonperturbative because of strong short-range…

Nuclear Theory · Physics 2009-11-11 S. K. Bogner , A. Schwenk , R. J. Furnstahl , A. Nogga

Effective field theory of the in-medium nucleon-nucleon interaction is considered. The effective range parameters are found to be of a natural scale. The low density limit is discussed both in perturbative and nonperturbative situations. In…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Krippa

The effective isospin-density dependent pairing interaction (P1) [S. S. Zhang, U. Lombardo and E. G. Zhao, Sci. Chin. Phys. Mech. Astro. {\bf 54}, 236 (2011)] extracted from neutron pairing gaps for $^1$S$_0$ in asymmetric nuclear matter…

Nuclear Theory · Physics 2021-01-04 Xu Meng , Shisheng Zhang , Lin Guo , Lisheng Geng , Ligang Cao

We present a new semi-classical theory for describing pairing in finite Fermi systems. It is based in taking the $\hbar \to 0$, i.e. Thomas-Fermi, limit of the gap equation written in the basis of the mean field (weak coupling). In addition…

Nuclear Theory · Physics 2015-05-20 X. Vinas , P. Schuck , M. Farine

Properties of nuclear matter are investigated in the framework of relativistic Brueckner-Hartree-Fock model with the latest high-precision charge-dependent Bonn (pvCD-Bonn) potentials, where the coupling between pion and nucleon is adopted…

Nuclear Theory · Physics 2020-10-28 Chencan Wang , Jinniu Hu , Ying Zhang , Hong Shen

A cranked mean-field model with two-body T=1 and T=0 pairing interactions is presented. Approximate projection onto good particle-number is enforced via an extended Lipkin-Nogami scheme. Our calculations suggest the simultaneous presence of…

Nuclear Theory · Physics 2009-10-30 W. Satuła , R. Wyss