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Differential cross sections of the elastic pion-proton scattering are investigated at very small momentum transfer in a holographic QCD model, considering both the strong and Coulomb interaction in the Regge regime. The strong interaction…

High Energy Physics - Phenomenology · Physics 2024-03-26 Yu-Peng Zhang , Xun Chen , Xiao-Hua Li , Akira Watanabe

The C-odd amplitude for the elastic $pp$ and $p\bar{p}$ scattering due to the exchange of the QCD odderon proposed by J.Bartels, L.N.Lipatov and G.P. Vacca is calculated with the Fukugita-Kwiecinski proton impact factor. The found amplitude…

High Energy Physics - Phenomenology · Physics 2021-03-17 M. A. Braun

Analytic models for hadron-hadron scattering are characterized by analytical parametrizations for the forward amplitudes and the use of dispersion relation techniques to study the total cross section $\sigma_{tot}$ and the $\rho$ parameter.…

High Energy Physics - Phenomenology · Physics 2009-11-07 R. F. Ávila , E. G. S. Luna , M. J. Menon

An analysis of the data on forward $pp, \bar pp, \pi^{\pm}p$ and $K^{\pm}p$ scattering is performed making use of the single- and double-subtraction integral and comparing with derivative dispersion relations for amplitudes. Various pomeron…

High Energy Physics - Phenomenology · Physics 2012-02-08 A. Alkin , J. R. Cudell , E. Martynov

In this paper we construct a model that satisfies the theoretical requisites of high energy soft interactions, based on two ingredients:(i) the results of N=4 SYM, which at present is a unique theory that allows one to deal with a large…

High Energy Physics - Phenomenology · Physics 2011-03-10 E. Gotsman , E. Levin , U. Maor

The Odderon remains an elusive object, 33 years after its invention. The Odderon is now a fundamental object in QCD and CGC and it has to be found experimentally if QCD and CGC are right. In the present talk, we show how to find it at RHIC…

High Energy Physics - Phenomenology · Physics 2007-07-20 Basarab Nicolescu

We discuss some analytical and numerical aspects related to the replacement of integral dispersion relations by derivative relations and also the practical applicability of the derivative approach in the investigation of high-energy elastic…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. F. Avila , M. J. Menon

We re-examine the predictions of a two-phase model of shadowing in nuclear deep-inelastic scattering in light of new NMC data on the x, A and Q**2 dependence of the ratios of structure functions. The model, which combines vector meson…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Melnitchouk , A. W. Thomas

We consider simple-pole descriptions of soft elastic scattering at small $t$ and $s$, and allow for the presence of a hard pomeron. We have built and analyzed an exhaustive dataset and we show that simple poles provide an excellent…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Martynov , J. R. Cudell , A. Lengyel

We discuss a curious observation: at energies from the ISR and up to the LHC, inclusively, the differential cross-section of elastic proton-proton scattering remains almost energy-independent at the transferred momentum t =-0.21 GeV^2 at…

High Energy Physics - Phenomenology · Physics 2016-02-09 V. A. Petrov , A. P. Samokhin

With analytical representation for the pp scattering amplitudes introduced and tested at lower energies, a description of high precision is given of the $d\sigma/dt$ data at $\sqrt{s}$= 13 TeV for all values of the momentum transfer, with…

High Energy Physics - Phenomenology · Physics 2021-03-25 E. Ferreira , A. K. Kohara , T. Kodama

We present a model which describes proton scattering data from ISR to Tevatron energies, and which can be applied to collimation n high energy accelerators, such as the LHC and FCC. Collimators remove beam halo particles, so that they do…

High Energy Physics - Phenomenology · Physics 2016-10-12 R. B. Appleby , R. J. Barlow , J. G Molson , M. Serluca , A. Toader

We calculate the C=P=-1 contribution to high-energy scattering of hadrons in the framework of the model of the stochastic vacuum. In models, where the pomeron is generated by a two gluon exchange, this odderon contribution comes from a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Rueter

We consider simple-pole descriptions of soft elastic scattering for pp, pbar p, pi+ p, pi- p, K+ p and K- p. We work at t and s small enough for rescatterings to be neglected, and allow for the presence of a hard pomeron. After building and…

High Energy Physics - Phenomenology · Physics 2011-03-23 J. R. Cudell , A. Lengyel , E. Martynov

The TOTEM Collaboration has measured the differential cross section of elastic proton-proton scattering $\mathrm{d}\sigma/\mathrm{d}|t|$ at $\sqrt{s} = 2.76$, 7, 8, and 13 TeV. It is observed that all $\mathrm{d}\sigma/\mathrm{d}|t|$ data…

High Energy Physics - Phenomenology · Physics 2022-05-25 C. Baldenegro , C. Royon , A. Stasto

The differential cross section for elastic scattering of deuterons on electrons at rest is calculated taking into account the QED radiative corrections to the leptonic part of interaction. These model-independent radiative corrections arise…

High Energy Physics - Phenomenology · Physics 2018-10-31 G. I. Gakh , M. I. Konchatnij , N. P. Merenkov , E. Tomasi-Gustafsson

We present a calculation of the effective cross section $\sigma_{eff}$, an important ingredient in the description of double parton scattering in proton-proton collisions. Our theoretical approach makes use of a Light-Front quark model as…

High Energy Physics - Phenomenology · Physics 2015-12-09 M. Rinaldi , S. Scopetta , M. Traini , V. Vento

Measurements of the ratio of the elastic form factors of the proton ($\mu_pG_E/G_M$) exhibit a strong discrepancy. Experiments using unpolarized beams and Rosenbluth separation to determine the form factors have found values of the ratio…

Nuclear Experiment · Physics 2022-09-21 Brian S. Henderson

Deep-inelastic scattering at low Bjorken x and elastic vector meson electroproduction are analyzed on the basis of the off-shell s-channel unitarity. We discuss behavior of the total cross-section of virtual photon-proton scattering and…

High Energy Physics - Phenomenology · Physics 2011-09-13 S. M. Troshin , N. E. Tyurin

Final results of a detailed analysis of p+p elastic scattering data are presented, utilizing the quark-diquark model of protons in a form proposed by Bialas and Bzdak. The differential cross-section of elastic proton-proton collisions is…

High Energy Physics - Phenomenology · Physics 2016-08-14 F. Nemes , T. Csörgő