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Trinucleon longitudinal response functions R_L(q,omega) are calculated for q values up to 500 MeV/c. These are the first calculations beyond the threshold region in which both three-nucleon (3N) and Coulomb forces are fully included. We…

Nuclear Theory · Physics 2009-11-10 Victor D. Efros , Winfried Leidemann , Giuseppina Orlandini , Edward L. Tomusiak

By using resonance model, we investigate $K^+ N \rightarrow K N \eta$ reactions with the assumption that these reactions are dominated by the excitation of $N^*(1535)$ near threshold. It is found that the hyperon and $\rho$ exchange…

Nuclear Theory · Physics 2015-06-11 Bo-Chao Liu

Three-neutron resonances are investigated using realistic nucleon-nucleon interaction models. The resonance pole trajectories are explored by first adding an additional interaction to artificially bind the three-neutron system and then…

Nuclear Theory · Physics 2007-05-23 R. Lazauskas , J. Carbonell

Using modern nucleon-nucleon interactions in the description of the $A=3,4$ nuclei, it is not possible to reproduce both the three- and four-nucleon binding energies simultaneously. This is one manifestation of the necessity of including a…

Nuclear Theory · Physics 2015-05-18 A. Kievsky , M. Viviani , L. Girlanda , L. E. Marcucci

Differential cross sections for the electro-disintegration process $e + {^4He} \longrightarrow {^3H}+ p + e'$ are calculated, using a model in which the final state interaction is included by means of a nucleon-nucleus (3+1) potential…

Nuclear Theory · Physics 2009-10-31 M Braun , L L Howell , S A Sofianos , W Sandhas

Three- and four-neutron systems are studied within the framework of the hyperspherical approach with a local S-wave nn-potential. Possible bound and resonant states of these systems are sought as zeros of three- and four-body Jost functions…

Nuclear Theory · Physics 2008-11-26 S. A. Sofianos , S. A. Rakityansky , G. P. Vermaak

We analyze the sensitivity of next-generation tonne-scale neutrinoless double $\beta$-decay ($0\nu\beta\beta$) experiments and searches for same-sign di-electrons plus jets at the Large Hadron Collider to TeV scale lepton number violating…

High Energy Physics - Phenomenology · Physics 2016-05-11 Tao Peng , Michael J. Ramsey-Musolf , Peter Winslow

The process of neutrinoless double electron capture ($0\nu$ECEC) is revisited for those cases where the two participating atoms are nearly degenerate in mass. The theoretical framework is the formalism of an oscillation of two atoms with…

High Energy Physics - Phenomenology · Physics 2011-09-21 M. I. Krivoruchenko , Fedor Simkovic , Dieter Frekers , Amand Faessler

Electron emission in the deuteron-deuteron reaction supporting existence of the single-particle threshold resonance in 4 He has been observed for the first time. The measured electron energy spectrum and the electron-proton branching ratio…

Nuclear Experiment · Physics 2024-02-15 K. Czerski , R. Dubey , M. Kaczmarski , A. Kowalska , N. Targosz-Sleczka , G. Das Haridas , M. Valat

Charge exchange reactions at high energies are examined. The existing cross section data on the Reggeon induced reaction pp $\rightarrow$ n + $\Delta^{++}$ taken at the ZGS and ISR accelerators are extrapolated to the energies of the RHIC…

High Energy Physics - Experiment · Physics 2015-06-23 R. Schicker

The similarity renormalization group (SRG) has been successfully applied to soften interactions for ab initio nuclear calculations. In almost all practical applications in nuclear physics, an SRG generator with the kinetic energy operator…

Nuclear Theory · Physics 2014-09-10 Nuiok M. Dicaire , Conor Omand , Petr Navratil

Cross sections were measured for the near-threshold electrodisintegration of ^3He at momentum transfer values of q=2.4, 4.4, and 4.7 fm^{-1}. From these and prior measurements the transverse and longitudinal response functions R_T and R_L…

The measured inclusive $^6$He and $^4$He production cross sections of G. Marqu{\'i}nez-Dur{\'a}n {\em et al.}, Phys.\ Rev.\ C {\bf 98}, 034615 (2018) are reexamined and the conclusions concerning the relative importance of 1n and 2n…

Nuclear Experiment · Physics 2020-09-29 I. Martel , N. Keeley , K. W. Kemper , K. Rusek

The spectral function of 4He is calculated with the Lorentz integral transform method in a large energy and momentum range. The excitation spectrum of the residual 3N-system is fully taken into account. The obtained spectral function is…

Nuclear Theory · Physics 2008-11-26 V. D. Efros , W. Leidemann , G. Orlandini

Ab initio calculations of the quasi-elastic electromagnetic and neutral-weak response functions of 4He and 12C are carried out for the first time. They are based on a realistic approach to nuclear dynamics, in which the strong interactions…

Nuclear Theory · Physics 2016-02-15 A. Lovato , S. Gandolfi , J. Carlson , Steven C. Pieper , R. Schiavilla

Proton-deuteron radiative capture and two- and three-body photodisintegration of 3He at low energy are described using realistic hadronic dynamics and including the Coulomb force. The sensitivity of the observables to the relativistic…

Nuclear Theory · Physics 2010-03-17 A. Deltuva , A. C. Fonseca , P. U. Sauer

Exclusive and kinematically complete high-statistics measurements of the double pionic fusion reaction $dd \to ^4$He$\pi^0\pi^0$ have been performed in the energy range 0.8 - 1.4 GeV covering thus the region of the ABC effect, which denotes…

Nuclear Experiment · Physics 2015-06-05 P. Adlarson , W. Augustyniak , W. Bardan , M. Bashkanov , T. Bednarski , F. S. Bergmann , M. Berlowski , H. Bhatt , K. T. Brinkmann , M. Buescher , H. Calen , H. Clement , D. Coderre , E. Czerwinski , K. Demmich , E. Doroshkevich , R. Engels , W. Erven , W. Eyrich , P. Fedorets , K. Foehl , K. Fransson , F. Goldenbaum , P. Goslawski , K. Grigoryev , C. O. Gullstroem , F. Hauenstein , L. Heijkenskjold , V. Hejny , F. Hinterberger , M. Hodana , B. Hoistad , C. Husmann , A. Jany , B. R. Jany , L. Jarczyk , T. Johansson , B. Kamys , G. Kemmerling , F. A. Khan , A. Khoukaz , S. Kistryn , J. Klaja , H. Kleines , B. Klos , W. Krzemien , P. Kulessa , A. Kupsc , K. Lalwani , D. Lersch , L. Li , B. Lorentz , A. Magiera , R. Maier , P. Marciniewski , B. Marianski , M. Mikirtychiants , H. P. Morsch , P. Moskal , B. K. Nandi , S. Niedzwiecki , H. Ohm , I. Ozerianska , C. Pauly , E. Perez del Rio , Y. Petukhov , P. Plucinski , P. Podkopal , D. Prasuhn , A. Pricking , D. Pszczel , K. Pysz , A. Pyszniak , C. F. Redmer , J. Ritman , A. Roy , Z. Rudy , S. Sawant , S. Schadmand , A. Schmidt , V. Serdyuk , N. Shah , R. Siudak , T. Skorodko , M. Skurzok , J. Smyrski , V. Sopov , R. Stassen , J. Stepaniak , G. Sterzenbach , H. Stockhorst , H. Stroeher , A. Szczurek , T. Tolba , A. Trzcinski , R. Varma , P. Vlasov , G. J. Wagner , W. Wkeglorz , M. Wolke , A. Wronska , P. Wuestner , P. Wurm , A. Yamamoto , X. Yuan , L. Yurev , J. Zabierowski , C. Zheng , M. J. Zielinski , W. Zipper , J. Zlomanczuk , P. Zupranski

Response functions, differential cross sections and total cross sections for several (anti)neutrino induced reactions on 2H, 3He and 3H are calculated in momentum space for (anti)neutrino energies up to 160 MeV, using the AV18…

Nuclear Theory · Physics 2020-01-01 J. Golak , R. Skibinski , K. Topolnicki , H. Witala , A. Grassi , H. Kamada , L. E. Marcucci

The contributions of short-range nucleon-nucleon (NN) correlations, various meson exchange current (MEC) terms and the influence of $\Delta$ isobar excitations (isobaric currents, IC) on exclusive two-nucleon knockout reactions induced by…

Nuclear Theory · Physics 2008-11-26 D. Knödler , H. Müther , P. Czerski

The Becke-Johnson exchange potential [J. Chem. Phys. 124, 221101 (2006)] has been successfully used in electronic structure calculations within density-functional theory. However, in its original form the potential may dramatically fail in…

Materials Science · Physics 2010-01-28 E. Rasanen , S. Pittalis , C. Proetto