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The TOTEM experiment at the LHC has measured proton-proton elastic scattering in dedicated runs at $\sqrt{s}=7$ and 8 TeV centre-of-mass LHC energies. The proton-proton total cross-section $\sigma_{\rm tot}$ has been derived for both…

High Energy Physics - Experiment · Physics 2016-02-22 Frigyes Nemes

Available high energy data for both pp and \=pp total cross sections ($ 5 \ GeV \ < \ \sqrt s \ < \ 1.8 \ TeV$) are described by means of two well-known distinct parametrizations, characteristic of theoretical (``Regge-like" expression) and…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Bueno , J. Velasco

We study the scaling properties of the differential cross section of elastic proton-proton ($pp$) and proton-antiproton ($p\bar p$) collisions at high energies. We introduce a new scaling function, that scales -- within the experimental…

High Energy Physics - Phenomenology · Physics 2021-03-01 T. Csorgo , T. Novak , R. Pasechnik , A. Ster , I. Szanyi

The diffraction slope parameter is investigated for elastic proton-proton and proton-antiproton scattering based on the all available experimental data at low and intermediate momentum transfer values. Energy dependence of the elastic…

High Energy Physics - Phenomenology · Physics 2015-01-05 V. A. Okorokov

Following prior analysis for measured pp elastic differential cross section, the impact parameter representation in terms of profile functions is calculated from two different parameterizations on single diffractive dissociation data. The…

High Energy Physics - Phenomenology · Physics 2009-11-07 Thorsten Renk

The precise determination of the proton radius from recent elastic scattering electron-proton data is discussed. The necessary precision on the elastic cross section to discriminate among the values coming from atomic spectroscopy is…

Nuclear Theory · Physics 2018-12-12 Simone Pacetti , Egle Tomasi-Gustafsson

We investigated the energy dependence of the parton-parton inelastic cross sections, parton- parton inelastic overlap functions and the Cq moments in proton interactions from 10 to 14000 GeV. The used approach is based on a phenomenological…

High Energy Physics - Phenomenology · Physics 2017-01-31 P. C. Beggio

Total cross-sections and logarithmic slopes of the elastic scattering cross-sections for different hadronic processes are calculated in the framework of the model of the stochastic vacuum. The relevant parameters of this model, a…

High Energy Physics - Phenomenology · Physics 2009-09-25 H. G. Dosch , Erasmo Ferreira , A. Krämer

Elastic proton-proton scattering is reviewed starting from the results of the LHC experiments conducted by the TOTEM and ATLAS collaborations, and the HEGS model and a simple phenomenological parametrisation are compared with the new data…

High Energy Physics - Phenomenology · Physics 2017-10-25 Oleg V. Selyugin , Jean-René Cudell

Recent data from LHC13 by the TOTEM Collaboration on $\sigma_{tot}$ and $\rho$ have indicated disagreement with all the Pomeron model predictions by the COMPETE Collaboration (2002). On the other hand, as recently demonstrated by Martynov…

High Energy Physics - Phenomenology · Physics 2018-05-23 M. Broilo , E. G. S. Luna , M. J. Menon

Using a novel representation for the Martin's real-part formula without the full scaling property, an almost model-independent description of the proton-proton differential cross section data at high energies (19.4 GeV - 62.5 GeV) is…

High Energy Physics - Phenomenology · Physics 2011-08-03 D. A. Fagundes , M. J. Menon

We discuss $Z$ -production in the deep inelastic process $e + P \to e + Z + X$ in the context of the Standard Model using the Parton Model. In contrast to the deep inelastic $eP$-scattering ($e + P \to e + X$), where the choice of…

High Energy Physics - Phenomenology · Physics 2017-11-15 M. Gómez-Bock , W. Gonzalez , L. López-Lozano , A. Rosado

Experimental and empirical data are often analyzed on log-log plots in order to find some scaling argument for the observed/examined phenomenon at hands, in particular for rank-size rule research, but also in critical phenomena in…

Data Analysis, Statistics and Probability · Physics 2014-09-09 Marcel Ausloos

A few analytic exponential models of elastic differential cross section, constructed as purely phenomenological models, are proposed and tested. The models incorporate energy-dependent exponential slopes, power-law prefactors, and localized…

High Energy Physics - Phenomenology · Physics 2025-12-03 Muhammad Saad Ashraf , Nosheen Akbar

In 1970, on purely theoretical grounds, all total hadronic total cross sections were predicted to increase without limit for higher and higher energies. This was contrary to the conventional belief at that time. In 1978, an accurate…

High Energy Physics - Phenomenology · Physics 2015-06-19 Claude Bourrely , Jacques Soffer , Tai Tsun Wu

I present a new determination of the total cross section for proton-proton collisions from the recent Akeno results on absorption of the cosmic ray protons in the p-Air collisions. Extrapolation to the SSC energy suggests $\sigma_{tot}(p-p)…

High Energy Physics - Phenomenology · Physics 2009-12-30 N. N. Nikolaev

We here comment on a series of recent papers by Igi and Ishida[K. Igi and M. Ishida, Phys. Lett B 622, 286 (2005)] and Block and Halzen[M. M. Block and F. Halzen, Phys. Rev D 72, 036006 (2005)] that fit high energy $pp$ and $\bar pp$ cross…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. M. Block

A model for the Pomeron at $t=0$ is suggested. It is based on the idea of a finite sum of ladder diagrams in QCD. Accordingly, the number of $s$-channel gluon rungs and correspondingly the powers of logarithms in the forward scattering…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Fiore , L. L. Jenkovszky , E. A. Kuraev , A. I. Lengyel , F. Paccanoni , A. Papa

We present a study of the inclusive J/psi cross section at 2.76 TeV and 5.5 TeV. The energy dependence of the cross section, rapidity and transverse momentum distributions are evaluated phenomenologically. Their knowledge is crucial as a…

Nuclear Experiment · Physics 2012-04-26 F. Bossu , Z. Conesa del Valle , A. de Falco , M. Gagliardi , S. Grigoryan , G. Martínez García

A unified approach to total cross-sections, based on the QCD contribution to the rise with energy, is presented for the processes $pp$, $p{\bar p}$, $\gamma p, \gamma \gamma, e^+e^- \to hadrons$. For proton processes, a discussion of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Rohini M. Godbole , A. Grau , G. Pancheri , Y. Srivastava
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