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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

We analyse the recent LHC data at 7 and 8 TeV for pp elastic scattering with special attention for the structure of the real part, which is shown to be crucial to describe the differential cross section in the forward region. We determine…

High Energy Physics - Phenomenology · Physics 2017-10-30 A. K. Kohara , E. Ferreira , T. Kodama , M. Rangel

We survey the current phenomenological status of semi-inclusive deep inelastic scattering at moderate hard scales and in the limit of very large transverse momentum. As the transverse momentum becomes comparable to or larger than the…

High Energy Physics - Phenomenology · Physics 2018-12-19 J. O. Gonzalez-Hernandez , T. C. Rogers , N. Sato , B. Wang

Odderon is the $C$-odd amplitude that does not fall (or decrease very slowly) with energy. The expected amplitude is small and mainly real. Therefore, extracting it from the data on top of a much larger $C$-even contribution is challenging.…

High Energy Physics - Phenomenology · Physics 2024-11-26 E. G. S. Luna , M. G. Ryskin , V. A. Khoze

The measurements of high energy \bar p p and pp elastic at ISR, SPS and Tevatron colliders have provided usefull informations on the behavior of the scattering amplitude. A large step in energy domain is accomplished with the LHC collider…

High Energy Physics - Phenomenology · Physics 2015-06-15 Jacques Soffer

The physics, and a design, of a Large Hadron Electron Collider (LHeC) are sketched. With high luminosity, 10^{33}cm^{-2}s^{-1}, and high energy, \sqrt{s}=1.4 TeV, such a collider can be built in which a 70 GeV electron (positron) beam in…

High Energy Physics - Experiment · Physics 2011-07-19 J. B. Dainton , M. Klein , P. Newman , E. Perez , F. Willeke

A simple multipole Pomeron and Odderon model for elastic hadron scattering, reproducing the structure of the first and second diffraction cones is used to analyze $pp$ and $\bar{p}p$ scattering. The main emphasis is on the delicate and…

High Energy Physics - Phenomenology · Physics 2012-06-27 A. I. Lengyel , Z. Z. Tarics

A study of strange hadron production associated with hard scattering processes and with the underlying event is conducted to investigate the origin of the enhanced production of strange hadrons in small collision systems characterised by…

High Energy Physics - Experiment · Physics 2024-10-02 ALICE Collaboration

The sub-keV mass range has long posed a challenge for the direct detection of dark matter via elastic scattering. In this Letter, we propose a new mechanism in which dark matter, assumed to be quadratically coupled to SM particles, scatters…

High Energy Physics - Phenomenology · Physics 2025-12-19 Zhi-Han Liu , Shigeki Matsumoto , Jie Sheng , Chuan-Yang Xing

On the basis of requirements of unitarity and analyticity we analyze the real and imaginary parts of the $pp^\pm$ scattering amplitudes at recent ultrahigh energies, 1-100 TeV. The predictions for the region $\sqrt s > 100$ TeV and ${\bf…

High Energy Physics - Phenomenology · Physics 2015-12-22 V. V. Anisovich , V. A. Nikonov , J. Nyiri

Elastic and inelastic cross section of proton-proton and electron-proton scattering are discussed. Special attention is given to elastic scattering and to the striking difference between the data of these two kinds of experiments. It is…

General Physics · Physics 2008-10-20 E. Comay

Scattering resonances play a central role in collision processes in physics and chemistry. They help building an intuitive understanding of the collision dynamics due to the spatial localization of the scattering wavefunctions. For…

The TOTEM 2.76, 7, 8, and 13 TeV pp elastic differential cross sections are extrapolated using a data-driven approach to obtain the 1.96 TeV pp elastic cross section. A difference with a 3.4$\sigma$ significance is observed between the…

High Energy Physics - Experiment · Physics 2021-09-15 Kenneth Österberg

The determination of magnitudes of basic parameters of the high energy elastic scattering amplitude are examined at small momentum transfers with taking account of the Coulomb-hadron interference effects.

High Energy Physics - Phenomenology · Physics 2009-11-07 S. B. Nurushev , O. V. Selyugin , M. N. Strikhanov

A search for new phenomena in events featuring a high energy jet and large missing transverse momentum in proton-proton collisions at sqrt(s) = 7 TeV is presented using a dataset corresponding to an integrated luminosity of 33 pb^-1…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

We report on a first measurement of tensor analyzing powers in quasi-elastic electron-deuteron scattering at an average three-momentum transfer of 1.7 fm$^{-1}$. Data sensitive to the spin-dependent nucleon density in the deuteron were…

Deep inelastic electron-proton scattering is analyzed in the target rest frame using a theoretical approach suitable to describe many-body systems of {\em bound} constituents subject to {\em interactions}. At large three-momentum transfer…

Nuclear Theory · Physics 2016-11-23 Omar Benhar

The elastic scattering $^{16}$O$+^{12}$C angular distributions at $^{16}$O bombarding energies of 100.0, 115.9 and 124.0 MeV and their optical model description including the $\alpha$-particle exchange contribution calculated in the Coupled…

Nuclear Experiment · Physics 2007-05-23 S. Szilner , W. von Oertzen , Z. Basrak , F. Haas , M. Milin

We study the cross section for one-particle inclusive deep inelastic scattering off the nucleon for low transverse momentum of the detected hadron. We decompose the cross section in terms of structure functions and calculate them at tree…

High Energy Physics - Phenomenology · Physics 2010-10-27 Alessandro Bacchetta , Markus Diehl , Klaus Goeke , Andreas Metz , Piet J. Mulders , Marc Schlegel