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The $^{235}$U(n,f) reaction cross section was measured relative to neutron-proton elastic scattering for the first time in the energy region from 10 MeV to 440 MeV at the CERN n\_TOF facility, extending the upper limit of the only previous…

Nuclear Experiment · Physics 2024-06-17 Alice Manna , Elisa Pirovano , the n\_TOF Collaboration

We present neutrino capture cross sections on 13C at supernova neutrino energies, up to 50 MeV. For both charged-current and neutral-current reactions partial cross sections are calculated using statistical Hauser-Feschbach method. Coherent…

Nuclear Theory · Physics 2019-09-04 T. Suzuki , A. B. Balantekin , T. Kajino , S. Chiba

We derive expressions for the gluon production cross sections in the single diffractive proton-nucleus scattering and DIS processes in a quasi-classical approximation. The resulting cross sections include the effects of all multiple…

High Energy Physics - Phenomenology · Physics 2014-11-17 Yuri V. Kovchegov

In experiments on the electron linac LUE-40 of RDC "Accelerator" NSC KIPT, the flux-averaged cross-sections $\langle{\sigma(E_{\rm{\gamma max}})}\rangle_{\rm{exp}}$ of photonuclear reactions ${^{100}\rm{Mo}}(\gamma,n)^{99}\rm{Mo}$,…

Measurements of polarized neutron--polarized $^3$He scattering are reported. The target consisted of cryogenically-polarized solid $^3$He, thickness 0.04 atom/b and polarization 40%. The longitudinal and transverse total cross-section…

Nuclear Experiment · Physics 2009-10-30 C. D. Keith , C. R. Gould , D. G. Haase , M. L. Seely , P. R. Huffman , N. R. Roberson , W. Tornow , W. S. Wilburn

We suggest that superscaling in electroweak interactions with nuclei, namely the observation that the reduced electron-nucleus cross sections are to a large degree independent of the momentum transfer and of the nuclear species, can be used…

Nuclear Theory · Physics 2010-01-22 M. B. Barbaro , J. E. Amaro , J. A. Caballero , R. Cenni , T. W. Donnelly , A. Molinari , J. M. Udias

We calculate the nuclear cross section for coherent and incoherent vector meson production within the QCD color dipole picture, including saturation effects. Theoretical estimates for scattering on both light and heavy nuclei are given over…

High Energy Physics - Phenomenology · Physics 2009-08-26 V. P. Goncalves , M. S. Kugeratski , M. V. T. Machado , F. S. Navarra

Background: The neutron skin thickness $R_{\rm skin}^{\rm PV}$ of PREX-II is presented in Phys. Rev. Lett. {\bf 126}, 172502 (2021). The reaction cross section $\sigma_R$ is useful to determine the matter radius $R_m$ and $R_{\rm skin}$.…

Nuclear Theory · Physics 2025-07-01 Tomotsugu Wakasa , Shingo Tagami , Jun Matsui , Masanobu Yahiro , Maya Takechi

A manifestation of narrow diproton resonances in the early discovered global structure of proton-proton total cross section at low energies is discussed. It is also discussed the existence of new particle with the mass $1.833 MeV$ predicted…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. A. Arkhipov

Cross sections for proton inelastic collision with different nuclei are described within the Glauber approximation. The significant difference between approximate ``Glauber'' formula and exact calculations with geometrical scaling…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tadeusz Wibig

We have designed a Euler approximation Monte-Carlo code for the calculation of the ionization of atomic hydrogen by protons with energies between 0.05 and 1.0 MeV. This code is used to calculate the total ionization cross sections s(E), the…

Atomic Physics · Physics 2022-04-04 Seifeldin Dabbour , Skyler McMullen , F. Edward Cecil

The cross section of the reaction $^3$He$(\gamma,pn)p_{spec}$ in the energy range 150 - 450 MeV has been calculated in a quasifree two-body model and compared with a recent kinematically complete experiment. In comparison with free deuteron…

Nuclear Theory · Physics 2009-10-28 P. Wilhelm , J. A. Niskanen , H. Arenhövel

Superscaling properties of 12C, 16O and 40Ca nuclear responses, induced by electron and neutrino scattering, are studied for momentum transfer values between 300 and 700 MeV/c. We have defined two indexes to have quantitative estimates of…

Nuclear Theory · Physics 2008-11-26 M. Martini , G. Co' , M. Anguiano , A. M. Lallena

The radiative thermal neutron capture cross sections over the range of thermal energies from 1 keV to 1 MeV are studied in statistical Hauser-Feshbach formalism. The optical model potential is constructed by folding the density dependent…

Nuclear Theory · Physics 2016-11-15 Saumi Dutta , G. Gangopadhyay , Abhijit Bhattacharyya

An eikonalized elastic proton-proton and proton-antiproton scattering amplitude, based on the suggestion of a finite sum of ladder diagrams, calculated from QCD and the number of $s-$channel gluon rungs and correspondingly the powers of…

High Energy Physics - Phenomenology · Physics 2012-02-21 A. Lengyel , Z. Tarics

Differential and angle-integrated cross sections for the $^{10}$B($n, {\alpha}$)$^{7}$Li, $^{10}$B($n, {\alpha}$$_{0}$)$^{7}$Li and $^{10}$B($n, {\alpha}$$_{1}$)$^{7}$Li$^{*}$ reactions have been measured at CSNS Back-n white neutron…

The multinucleon transfer reactions in collisions of $^{136}$Xe+$^{198}$Pt at incident energies $E_{\textrm{lab}}=$5.25, 6.20, 7.98, 10.0, and 15.0 MeV/nucleon are investigated by using the improved quantum molecular dynamics model. It is…

Relativistic mean field calculations have been performed to obtain nuclear density pro- file. Microscopic interactions have been folded with the calculated densities of finite nuclei to obtain a semi-microscopic potential. Life time values…

Nuclear Theory · Physics 2012-01-04 G. Gangopadhyay

The nuclear response functions for high energy electron scattering were calculated in the wide region of excitation energy. The three typical regions were studied: the quasi-elastic region, the $\Delta$-excitation region and the…

Nuclear Theory · Physics 2009-10-30 Valeriya Gadiyak , Vladimir Dmitriev

Fragments productions in spallation reactions are key infrastructure data for various applications. Based on the empirical parameterizations {\sc spacs}, a Bayesian-neural-network (BNN) approach is established to predict the fragment cross…

Nuclear Theory · Physics 2020-12-30 Chun-Wang Ma , Dan Peng , Hui-Ling Wei , Yu-Ting Wang , Jie Pu
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