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A previously derived semi-microscopic analysis based on the Double Folding Model, for alpha-particle elastic scattering on A~100 nuclei at energies below 32 MeV, is extended to medium mass A ~ 50-120 nuclei and energies from ~13 to 50 MeV.…

Nuclear Experiment · Physics 2015-05-13 M. Avrigeanu , A. C. Obreja , F. L. Roman , V. Avrigeanu , W. von Oertzen

We investigate polarization observables in hyperon-nucleon scattering by decomposing scattering amplitudes into spin-space tensors, where each component describes scattering by corresponding spin-dependent interactions, so that…

Nuclear Theory · Physics 2009-11-10 S. Ishikawa , M. Tanifuji , Y. Iseri , Y. Yamamoto

The $O(p^4)$ calculation on pion-nucleon elastic scattering amplitude in EOMS scheme within covariant baryon chiral perturbation theory is reviewed. Numerical fits to partial wave amplitudes up to $\sqrt{s}=1.13$ GeV and 1.20 GeV are…

High Energy Physics - Phenomenology · Physics 2015-06-05 Yun-hua Chen , De-liang Yao , H. Q. Zheng

Electron scattering on unstable nuclei is planned in future facilities of the GSI and RIKEN upgrades. Motivated by this fact, we study theoretical predictions for elastic electron scattering in the N=82, N=50, and N=14 isotonic chains from…

Nuclear Theory · Physics 2013-01-10 X. Roca-Maza , M. Centelles , F. Salvat , X. Viñas

A nonlocal dispersive-optical-model analysis has been carried out for neutrons and protons in $^{208}$Pb. Elastic-scattering angular distributions, total and reaction cross sections, single-particle energies, the neutron and proton numbers,…

Starting from a complete set of relativistic nucleon-nucleon contact operators up to order $O(p^4)$ of the expansion in the soft (relative or nucleon) momentum $p$, we show that non-relativistic expansions of relativistic operators involve…

Nuclear Theory · Physics 2024-04-18 E. Filandri , L. Girlanda , A. Kievsky , L. E. Marcucci , M. Viviani

The optical potential is a powerful instrument for calculations on a wide variety of nuclear reactions, in particular, for quasi-elastic lepton-nucleus scattering. Phenomenological optical potentials are successful in the description of…

Nuclear Theory · Physics 2017-07-13 Carlotta Giusti

Results for elastic electron scattering by nuclei, calculated with charge densities of Skyrme forces and covariant effective Lagrangians that accurately describe nuclear ground states, are compared against experiment in stable isotopes.…

Nuclear Theory · Physics 2008-11-26 X. Roca-Maza , M. Centelles , F. Salvat , X. Vinas

We extend the analysis of elastic pion-nucleon scattering up to $O(p^4)$ level using extended-on-mass-shell subtraction scheme within the framework of covariant baryon chiral perturbation theory. Numerical fits to partial wave phase shift…

High Energy Physics - Phenomenology · Physics 2013-04-23 Yun-Hua Chen , De-Liang Yao , H. Q. Zheng

The diffraction slope parameter is investigated for elastic proton-proton and proton-antiproton scattering based on the all available experimental data at low momentum transfer values. Energy dependence of the elastic diffraction slopes is…

High Energy Physics - Phenomenology · Physics 2008-11-12 V. A. Okorokov

We predict pp elastic differential cross sections at LHC at c.m. energy 14 TeV and momentum transfer range |t| = 0 - 10 GeV*2 in a nucleon-structure model. In this model, the nucleon has an outer cloud of quark-antiquark condensed ground…

High Energy Physics - Phenomenology · Physics 2007-08-10 M. M. Islam , J. Kaspar , R. J. Luddy

The nucleon-nucleon J-matrix Inverse Scattering Potential JISP16 is applied to elastic nucleon-deuteron (Nd) scattering and the deuteron breakup process at the lab. nucleon energies up to 135 MeV. The formalism of the Faddeev equations is…

A study of the interaction of loosely bound nuclei 6,7Li at 9 and 19 AMeV with light targets has been undertaken. With the determination of unambiguous optical potentials in mind, elastic data for four projectile-target combinations and one…

Nuclear Experiment · Physics 2009-11-10 F. Carstoiu , L. Trache , R. E. Tribble , C. A. Gagliardi

Elastic pion-pion and pion-nucleon scattering are reviewed in the context of chiral perturbation theory. Theoretical results from systematic low-energy expansions to O(p^6) for pion-pion and to O(p^3) for pion-nucleon scattering are…

High Energy Physics - Phenomenology · Physics 2009-10-30 Gerhard Ecker

Strange matter is believed to exist in the cores of neutron stars based on simple kinematics. If this is true, then hyperon-nucleon interactions will play a significant part in the neutron star equation of state (EOS). Yet, compared to…

High Energy Physics - Experiment · Physics 2021-08-09 CLAS Collaboration , J. Rowley , N. Compton , C. Djalali , K. Hicks , J. Price , N. Zachariou , K. P. Adhikari , W. R. Armstrong , H. Atac , L. Baashen , L. Barion , M. Bashkanov , M. Battaglieri , I. Bedlinskiy , F. Benmokhtar , A. Bianconi , L. Biondo , A. S. Biselli , M. Bondi , F. Bossu , S. Boiarinov , W. J. Briscoe , W. K. Brooks , D. Bulumulla , V. D. Burkert , D. S. Carman , J. C. Carvajal , A. Celentano , P. Chatagnon , V. Chesnokov , T. Chetry , G. Ciullo , L. Clark , P. L. Cole , M. Contalbrigo , G. Costantini , V. Crede , A. D'Angelo , N. Dashyan , R. De Vita , M. Defurne , A. Deur , S. Diehl , R. Dupre , H. Egiyan , M. Ehrhart , A. El Alaoui , L. El Fassi , P. Eugenio , G. Fedotov , S. Fegan , R. Fersch , A. Filippi , A. Fradi , G. Gavalian , F. X. Girod , D. I. Glazier , A. Golubenko , R. W. Gothe , K. Griffioen , L. Guo , K. Hafidi , H. Hakobyan , M. Hattawy , T. B. Hayward , D. Heddle , A. Hobart , M. Holtrop , Y. Ilieva , D. G. Ireland , E. L. Isupov , D. Jenkins , H. S. Jo , K. Joo , D. Keller , A. Khanal , M. Khandaker , A. Kim , I. Korover , A. Kripko , V. Kubarovsky , S. E. Kuhn , L. Lanza , M. Leali , P. Lenisa , K. Livingston , I. J. D. MacGregor , D. Marchand , N. Markov , L. Marsicano , V. Mascagna , M. E. McCracken , B. McKinnon , C. McLauchlin , Z. E. Meziani , S. Migliorati , T. Mineeva , M. Mirazita , V. Mokeev , E. Munevar , C. Munoz Camacho , P. Nadel-Turonski , K. Neupane , S. Niccolai , G. Niculescu , T. R. O'Connell , M. Osipenko , A. I. Ostrovidov , P. Pandey , M. Paolone , L. L. Pappalardo , E. Pasyuk , O. Pogorelko , Y. Prok , T. Reed , M. Ripani , J. Ritman , A. Rizzo , G. Rosner , F. Sabatie , C. Salgado , A. Schmidt , R. A. Schumacher , Y. G. Sharabian , U. Shrestha , D. Sokhan , O. Soto , N. Sparveris , I. I. Strakovsky , S. Strauch , R. Tyson , M. Ungaro , L. Venturelli , H. Voskanyan , A. Vossen , E. Voutier , D. Watts , K. Wei , X. Wei , R. Wishart , M. H. Wood , B. Yale , M. Yurov , J. Zhang , Z. W. Zhao

We performed a least-square fit analysis to reproduce the elastic angular distributions for $\alpha$ scattering on various nuclei form $^{12}$C to $^{208}$Pb for incident energies in the range 18 - 70 MeV using a velocity-dependent optical…

Nuclear Theory · Physics 2024-04-16 A. Saleh , M. I. Jaghoub

The parametrization schemes of the effective nucleon-nucleon interaction proposed by Geramb and by Nakayama and Love are compared in their ability to reproduce the inelastic scattering observables of polarized protons from $^{12}$C with the…

Nuclear Theory · Physics 2007-05-23 M. S. Onegin , A. V. Plavko

In these notes we present a detailed and complete scheme for the calculation of polarization phenomena in elastic electron-nucleon scattering. The longitudinal and transversal components of the polarization for the scattered nucleon,…

Nuclear Theory · Physics 2007-05-23 Michail P. Rekalo , Egle Tomasi-Gustafsson

We investigate the use of proton-nucleus elastic scattering experiments using secondary beams of 6He and 8He to determine the physical structure of these nuclei. The sensitivity of these experiments to nuclear structure is examined by using…

Nuclear Theory · Physics 2009-11-06 Stephen P. Weppner , Charlotte Elster , Ofir Garcia

We apply to the nucleon-nucleus inelastic process a fully coherent microscopic multiple scattering approach. Our study addresses the complexities inherent in characterizing inelastic scattering events, offering a comprehensive theoretical…

Nuclear Theory · Physics 2026-03-30 Matteo Vorabbi , Michael Gennari , Paolo Finelli , Carlotta Giusti , Petr Navrátil
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