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Related papers: Corrections to Eikonal Approximation for Nuclear S…

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Extensions of the eikonal approximation to low energy (20MeV/nucleon typically) are studied. The relation between the dynamical eikonal approximation (DEA) and the continuum-discretized coupled-channels method with the eikonal approximation…

Nuclear Theory · Physics 2014-09-25 Tokuro Fukui , Kazuyuki Ogata , Pierre Capel

In this contribution, the eikonal approximation developed by Roy Glauber to describe high-energy quantum collisions is presented. This approximation has been-and still is-extensively used to analyse reaction measurements performed to study…

Nuclear Theory · Physics 2019-12-17 Pierre Capel

A parameterization of the nucleon-nucleon elastic scattering amplitude is needed for future experiments with nucleon and nuclear beams in the beam momentum range of 2 -- 50 GeV/c/nucleon. There are many parameterizations of the amplitude at…

High Energy Physics - Phenomenology · Physics 2016-12-21 V. Uzhinsky , A. Galoyan , Q. Hu , J. Ritman , H. Xu

Theoretical study of systematics of neutron scattering cross sections on various materials for neutron energies up to several hundred MeV are of practical importance. In this paper, we analysed various cross sections of neutron-nucleus…

Nuclear Theory · Physics 2007-05-23 S. V. Surya Narayan , Rajesh S. Gowda , S. Ganesan

In the density distribution of a deformed target-nucleus, the spherical $\lambda = 0$ and the deformed $\lambda = 2$ parts were considered. On this basis, the corresponding potential parts $U_0$ and $U^{(2)}_{int}$ of a double -folding…

Nuclear Theory · Physics 2007-06-06 K. V. Lukyanov , E. V. Zemlyanaya , I. N. Kuchtina , V. K. Lukyanov , Z. Metawei , K. M. Hanna

We consider the evolution of the neutron-nucleus scattering length for the lightest nuclei. We show that, when increasing the number of neutrons in the target nucleus, the strong Pauli repulsion is weakened and the balance with the…

Nuclear Theory · Physics 2019-12-12 Jaume Carbonell , Emiko Hiyama , Rimantas Lazauskas , F. Miguel Marqués

We consider the radiative corrections to the impact factors of electron and photon. According to a generalized eikonal representation the e\bar e scattering amplitude at high energies and fixed momentum transfers is proportional to the…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. A. Kuraev , L. N. Lipatov , T. V. Shishkina

Improved Wentzel-Kramers-Brillouin (WKB)-type approximations are presented in order to study cosmological perturbations beyond the lowest order. Our methods are based on functions which approximate the true perturbation modes over the…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Roberto Casadio , Fabio Finelli , Mattia Luzzi , Giovanni Venturi

The study of nuclear breakup of halo and weakly bound particles has been one of the key ingredients in the understanding of exotic nuclei during the last thirty years. One of the most used methods to analyse data, in particular absolute…

Nuclear Theory · Physics 2018-09-14 Angela Bonaccorso , David M. Brink

A global nucleon-nucleus optical potential for elastic scattering has been produced which replicates experimental data to high accuracy and compares well with other recently formulated potentials. The calculation that has been developed…

Nuclear Theory · Physics 2014-03-06 S. P. Weppner , R. B. Penney , G. W. Diffendale , G. Vittorini

Background: For its simplicity, the eikonal method is the tool of choice to analyze nuclear reactions at high energies ($E>100$ MeV/nucleon), including knockout reactions. However, so far, the effective interactions used in this method are…

Nuclear Theory · Physics 2021-10-01 Chloë Hebborn , Filomena M. Nunes

Short-range correlation pairs (SRCs) -- core of nuclear structure, composed of highly off-shell nucleons -- are mostly studied via electron-nucleon scattering, leaving a gap in meson-based probes. We propose probing SRC off-shell nucleons…

High Energy Physics - Phenomenology · Physics 2025-12-16 Wei Wang , Ji Xu , Ya-Teng Zhang , Xiao-Rong Zhou

One loop electroweak radiative corrections to left-right parity violating M{\o}ller scattering ($e^-e^-\to e^-e^-$) asymmetries are presented. They reduce the standard model (tree level) prediction by 40$\pm 3$ \% where the main shift and…

High Energy Physics - Phenomenology · Physics 2016-08-24 Andrzej Czarnecki , William J. Marciano

For the last few decades, one-nucleon knockout reactions on light composite targets -- $^9$Be or $^{12}$C -- have been extensively used to study the single-particle (s.p.) structure of nuclei far from stability. To determine which…

Nuclear Theory · Physics 2023-11-21 Chloë Hebborn , Pierre Capel

Neutron spectrum and scattered neutrons caused distortions are major problems in fast neutron radiography and should be considered for improving the image quality. This paper puts emphasis on the removal of these image distortions and…

Instrumentation and Detectors · Physics 2013-06-11 Liu Shu-Quan , Bücherl Thomas , Li Hang , Zou Yu-Bin , Lu Yuan-Rong , Guo Zhi-Yu

We generalize our virial approach to study the neutral current neutrino response of nuclear matter at low densities. In the long-wavelength limit, the virial expansion makes model-independent predictions for neutrino-nucleon scattering…

Nuclear Theory · Physics 2017-02-08 C. J. Horowitz , O. L. Caballero , Zidu Lin , Evan O'Connor , A. Schwenk

Asymptotic behavior of the scattering amplitude for two scalar particles by scalar, vector and tensor exchanges at high energy and fixed momentum transfers is reconsidered in quantum field theory. In the framework of the quasi-potential…

High Energy Physics - Theory · Physics 2008-05-02 Nguyen Suan Han , Nguyen Nhu Xuan

REACLIB is one of the most comprehensive and popular astrophysical reaction rate libraries. However, its experimentally obtained rates for light isotopes still rely mainly on the Caughlan & Fowler (1988) compilation and have never been…

Nuclear Theory · Physics 2007-05-23 Theodore E. Liolios

Using the Abel inversion for the eikonal phase as function of the interaction we derive simple integral relations between half and on-shell eikonal phases. A frequently used short-range approximation for the half off-shell phase and profile…

Nuclear Theory · Physics 2009-10-30 A. S. Rinat , M. F. Taragin