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Related papers: Probing the Pomeron spin structure with Coulomb-nu…

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We calculate the single transverse spin asymmetry $A_N(t)$, for inclusive neutron production in $pp$ collisions at forward rapidities relative to the polarized proton in the energy range of RHIC. Absorptive corrections to the pion pole…

High Energy Physics - Phenomenology · Physics 2013-05-29 B. Z. Kopeliovich , I. K. Potashnikova , Ivan Schmidt , J. Soffer

The form and energy dependence of different terms of the cross-even and cross-odd parts of the elastic nucleon-nucleon scattering amplitude is determined in the framework of the High Energy Generalize Structure (HEGS) model. In the…

High Energy Physics - Phenomenology · Physics 2023-11-28 O. V. Selyugin

The traditional description of high-energy small-angle scattering in QCD has two components -- a soft Pomeron Regge pole for the tensor glueball, and a hard BFKL Pomeron in leading order at weak coupling. On the basis of gauge/string…

High Energy Physics - Theory · Physics 2009-10-09 Richard C. Brower , Joseph Polchinski , Matthew J. Strassler , Chung-I Tan

This is a critical reconsideration of the standard way of account for Coulomb-nuclear interference in elastic scattering amplitude.

High Energy Physics - Phenomenology · Physics 2018-04-18 Vladimir A. Petrov

Pion-nucleus bremsstrahlung offers a possibility of measuring the structure functions of pion-Compton scattering from a study of the small-momentum-transfer region where the bremsstrahlung reaction is dominated by the single-photon-exchange…

Nuclear Theory · Physics 2013-01-01 Göran Fäldt , Ulla Tengblad

We present a very simple method for calculating the mixed Coulomb-nuclear effects in the $pp$ and $\bar{p}p$ scattering amplitudes, and illustrate the method using simple models frequently used to describe their differential cross sections…

High Energy Physics - Phenomenology · Physics 2024-01-15 Loyal Durand , Phuoc Ha

The influence of Coulomb distortion on the polarization transfer in elastic proton and antiproton electron scattering at low energies is calculated in a distorted wave Born approximation. For antiproton electron scattering Coulomb effects…

Nuclear Theory · Physics 2009-02-19 H. Arenhoevel

A brief overview is given of some recent advances in charged-composite particle scattering. On the theoretical side, I address the three-charged particle wave function asymptotics, the nonperturbative investigation of the long-range…

Nuclear Theory · Physics 2007-05-23 Erwin O. Alt

Soft diffraction phenomena in elastic nucleon scattering are considered from the viewpoint of the spin dependence of the interaction potential. Spin-dependent pomeron effects are analyzed for elastic $pp$ scattering, spin-dependent…

High Energy Physics - Phenomenology · Physics 2021-05-05 O. V. Selyugin

It is shown that the account for the proton charge form factor in the Coulomb corrections to the electron-proton scattering cross section noticeably diminishes the difference between the value of the proton charge radius $r_{\mathrm{E}}$,…

High Energy Physics - Phenomenology · Physics 2014-02-14 R. N. Lee , A. I. Milstein

The transverse single-spin asymmetry A_N observed in high energy proton-proton collisions p^\uparrow p \to pi X has been found to increase with the momentum fraction x_F of the pion up to the largest measured x_F \sim 0.8, where A_N \simeq…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Jarvinen

We study influence of electron-electron interaction on statistics of Coulomb blockade peak spacings in disordered quantum dots. It is shown that the interaction combined with fluctuations of eigenfunctions of the Fermi sea, enhances the…

Mesoscale and Nanoscale Physics · Physics 2009-10-28 Ya. M. Blanter , A. D. Mirlin , B. A. Muzykantskii

We study polarized deep inelastic scattering of charged leptons from spin-$1/2$ hadrons at low values of the Bjorken parameter and large 't Hooft coupling in terms of the gauge/string theory duality. We calculate the structure functions…

High Energy Physics - Theory · Physics 2018-11-14 Nicolas Kovensky , Gustavo Michalski , Martin Schvellinger

We use a simple Regge model to determine the energy dependence of the analyzing power for pC scattering in the CNI region. We take the model of Cudell et al which determines the Regge couplings and intercepts for the I=0, non-flip Regge…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. L. Trueman

In the case of elastic high-energy hadron-hadron scattering, the impact of the large-distance contributions on the behaviour of the slopes of the spin-non-flip and of the spin-flip amplitudes is analysed. It is shown that the long tail of…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. R. Cudell , E. Predazzi , O. V. Selyugin

We argue that the account of Coulomb-nuclear interference (CNI) in the differential cross-section of elastic $ pp $ scattering may be easily treated without introduction of intermediate IR regularization ("photon mass"). We also indicate…

High Energy Physics - Phenomenology · Physics 2020-09-24 Vladimir A. Petrov

The elastic and inelastic high--energy small--angle electron--positron scattering is considered. All radiative corrections to the cross--section with the relative accuracy $\delta\sigma/ \sigma = 0.1 \% $ are explicitly taken into account.…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. B. Arbuzov , V. S. Fadin , E. A. Kuraev , L. N. Lipatov , N. P. Merenkov , L. G. Trentadue

Nuclear and Coulomb breakup of halo nuclei have been treated often as incoherent processes and structure information have been extracted from their study. The aim of this paper is to clarify whether interference effects and Coulomb-nuclear…

Nuclear Theory · Physics 2009-11-07 J. Margueron , A. Bonaccorso , D. M. Brink

The PP2PP experiment is devoted to the proton-proton elastic scattering measurement at the Relativistic Heavy Ion Collider at the centre-of-mass energies between 50 and 500 GeV and the four-momentum transfer $0.0004 \leq |t| \leq 1.3$…

High Energy Physics - Experiment · Physics 2011-08-17 J. Chwastowski

We analyze the recently discovered phenomena in elastic proton-proton scattering at the LHC, challenging the standard Regge-pole theory: the low-$|t|$ "break" (departure from the exponential behavior of the diffraction cone), the…

High Energy Physics - Phenomenology · Physics 2019-04-10 István Szanyi , Norbert Bence , László Jenkovszky
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