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Related papers: Leading Pomeron Contributions and the TOTEM Data a…

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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

Recent data from LHC13 by the TOTEM Collaboration have indicated an unexpected decrease in the value of the $\rho$ parameter and a $\sigma_{tot}$ value in agreement with the trend of previous measurements at 7 and 8 TeV. These data at 13…

High Energy Physics - Phenomenology · Physics 2018-10-10 M. Broilo , E. G. S. Luna , M. J. Menon

Recently the TOTEM experiment at the LHC has released measurements at $\sqrt{s} = 13$ TeV of the proton-proton total cross section, $\sigma_{tot}$, and the ratio of the real to imaginary parts of the forward elastic amplitude, $\rho$. Since…

High Energy Physics - Phenomenology · Physics 2019-10-30 M. Broilo , D. A. Fagundes , E. G. S. Luna , M. J. Menon

We analyse the 13 TeV TOTEM data on elastic proton-proton scattering through a thorough statistical analysis, and obtain that $\rho=0.096\pm 0.006$ and $\sigma_{tot}=(107.5\pm 1.5)$ mb. Theoretical errors could lower the cross section by…

High Energy Physics - Phenomenology · Physics 2019-05-22 J. R. Cudell , O. V. Selyugin

We investigate the high-energy behavior of the total cross section, $\sigma_{\text{tot}}$, and the ratio of the real to imaginary parts of the scattering amplitude, $\rho$, in both proton-proton and antiproton-proton channels. Our analysis…

High Energy Physics - Phenomenology · Physics 2025-12-23 T. V. Iser , E. G. S. Luna

Recent measurements of the proton-proton total cross section $\sigma_{tot}$ at 7 and 8 TeV by the TOTEM and ATLAS Collaborations are characterized by some discrepant values: the TOTEM data suggest a rise of the cross section with the energy…

High Energy Physics - Phenomenology · Physics 2017-07-11 D. A. Fagundes , M. J. Menon , P. V. R. G. Silva

The region of the small and large momentum transfer is examined from a view point of the contribution of the different parts of the scattering amplitude, soft and hard pomeron, and odderon contribution. The new model taking into account the…

High Energy Physics - Experiment · Physics 2013-10-22 O. V. Selyugin

Integral and derivative dispersion relations (IDR and DDR) are considered for the proton-proton and antiproton-proton forward scattering amplitudes. A scheme for calculation of the corrections to asymptotic form for the DDR is presented.…

High Energy Physics - Phenomenology · Physics 2010-09-23 A. Alkin , E. Martynov

A forward amplitude analysis on $pp$ and $\bar{p}p$ elastic scattering above 5 GeV is presented. The dataset includes the recent high-precision TOTEM measurements of the $pp$ total and elastic (integrated) cross-sections at 7 TeV and 8 TeV.…

High Energy Physics - Phenomenology · Physics 2013-07-31 M. J. Menon , P. V. R. G. Silva

We reanalyse $\bar p p$ and $pp$ high energy data of the elastic scattering above $\sqrt{s}=5$ GeV on the total cross-section $\sigma_{tot}$ and on the forward $\rho$-ratio for various models of Pomeron, utilizing two methods. The first one…

High Energy Physics - Phenomenology · Physics 2009-10-30 P. Desgrolard , M. Giffon , E. S. Martynov

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

Evaluating the H(x, s; pp) scaling function of elastic proton-proton (pp) collisions from recent TOTEM data at sqrt(s) = 8 TeV and comparing it with the same function of elastic proton-antiproton (pp-) data of the D0 collaboration at…

High Energy Physics - Phenomenology · Physics 2024-06-27 T. Csörgő , T. Novák , R. Pasechnik , A. Ster , I. Szanyi

Analysis of differential cross sections of the TOTEM Collaboration data, carried out without model assumptions, shows the existence of new effects in the behavior of the hadron scattering amplitude at a small momentum transfer at a high…

High Energy Physics - Phenomenology · Physics 2022-01-10 O. V. Selyugin

Analysis of the new experimental data obtained by the TOTEM Collaboration at LHC at $\sqrt{s} = 7 \ $TeV at small momentum transfer is presented. The impact of the different assumptions on the extraction of the parameters of the elastic…

High Energy Physics - Phenomenology · Physics 2015-06-18 O. V. Selyugin

Inspired by the new TOTEM data on elastic $pp$ scattering at 13 TeV, we study the possibility to describe all the diffractive collider data ($\sigma_{\rm tot}, d\sigma_{\rm el}/dt$, $\rho\equiv$Re$A$/Im$A$, \sd) in a wide interval of energy…

High Energy Physics - Phenomenology · Physics 2018-10-17 V. A. Khoze , A. D. Martin , M. G. Ryskin

The LHC has released precise measurements of elastic proton-proton scattering that provide a unique constraint on the asymptotic behavior of the scattering amplitude at high energies. Recent reanalyses of part of these data indicate that…

High Energy Physics - Phenomenology · Physics 2021-01-27 M. Broilo , D. A. Fagundes , E. G. S. Luna , M. Peláez

We consider the first LHC data for pp collisions in the framework of Regge theory. The integral cross sections and inclusive densities of secondaries are determined by the Pomeron exchange, and we present the corresponding predictions for…

High Energy Physics - Phenomenology · Physics 2010-07-20 C. Merino , C. Pajares , M. M. Ryzhinskiy , Yu. M. Shabelski

We present the results of several parametrizations to two different ensemble of data on $pp$ total cross sections $\sigma_{tot}^{pp}$ at the highest center-of-mass energies (including cosmic-ray information). The results are statistically…

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

In this letter we demonstrate that a model which is based on the CGC/saturation approach, is able to describe soft interaction collisions for the wide range of $W=\sqrt{s} = 30 \,GeV \div\, 13 \,TeV$ including the new TOTEM data at 13 TeV.…

High Energy Physics - Phenomenology · Physics 2018-11-14 E. Gotsman , E. Levin , I. Potashnikova

We complete the model-independent analysis of the scaling properties of the differential cross section of elastic proton-proton cross sections, including new TOTEM data published in 2022 at $\sqrt{s} = 8$ TeV. We separate the signal and the…

High Energy Physics - Experiment · Physics 2023-02-13 T. Csörgő , T. Novák , R. Pasechnik , A. Ster , I. Szanyi
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