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Proton-proton total cross sections are measured with present day high energy colliders up to 2 TeV in the centre-of-mass of the system (10^{15}) eV in the laboratory). Several parameterizations, very succesful at low energies, can then be…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Velasco , J. Perez-Peraza , A. Gallegos-Cruz , M. Alvarez-Madrigal , A. Faus-Golfe , A. Sanchez-Hertz

The measurement of the total $pp$ cross section and its various sub-components (elastic, inelastic and diffractive) is a very powerful tool to understand the proton macro structure and fundamental QCD dynamics. In this contribution I first…

High Energy Physics - Experiment · Physics 2013-04-02 Nicolò Cartiglia

Present estimations of proton-proton total cross section at very high energies are obtained from cosmic rays (>10^17 eV) by means of some approximations and the knowledge of the measured proton-air cross section at these energies. Besides,…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Perez-Peraza , J. Velasco , A. Gallegos-Cruz , M. Alvarez-Madrigal , A. Faus-Golfe , A. Sanchez-Hertz

The current large uncertainty on the extrapolation of the proton-proton total cross section at the LHC energy will be resolved by the precise measurement by the TOTEM experiment. Its accurate studies on the basic properties of proton-proton…

High Energy Physics - Experiment · Physics 2008-11-26 Stefano Lami

The measurement of the total $pp$ cross section and its various sub-components (elastic, inelastic and diffractive) is a very powerful tool to understand the proton macro structure and fundamental QCD dynamics. In this contribution I first…

High Energy Physics - Experiment · Physics 2013-06-06 Nicolò Cartiglia

This review describes the development of the physics of hadronic cross sections up to recent LHC results and cosmic ray experiments. We present here a comprehensive review - written with a historical perspective - about total cross-sections…

High Energy Physics - Phenomenology · Physics 2017-04-05 Giulia Pancheri , Yogendra N. Srivastava

To settle the question whether the growth with energy is universal for different hadronic total cross-sections, we present results from theoretical models for pion-proton, proton-proton and proton-antiproton total cross-sections. We show…

High Energy Physics - Phenomenology · Physics 2014-11-21 Agnes Grau , Giulia Pancheri , Olga Shekhovtsova , Yogendra N. Srivastava

Accurate knowledge of cross sections for pion production in proton-proton collisions finds wide application in particle physics, astrophysics, cosmic ray physics and space radiation problems, especially in situations where an incident…

High Energy Physics - Phenomenology · Physics 2008-11-26 Steve R. Blattnig , Sudha R. Swaminathan , Adam T. Kruger , Moussa Ngom , John W. Norbury

The proton-air cross section in the energy range 1-100 TeV has been measured by the ARGO-YBJ cosmic ray experiment. The analysis is based on the flux attenuation for different atmospheric depths (i.e. zenith angles) and exploits the…

High Energy Physics - Experiment · Physics 2014-11-18 YBJ Collaboration

The measurements of the hadron-hadron total cross sections are the first measurements performed when a new hadron accelerator opens up a new energy region; the measurements were made as function of the incoming beam momentum or c.m. energy…

High Energy Physics - Experiment · Physics 2007-05-23 G. Giacomelli

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

There are both theoretical and experimental uncertainties in using data from cosmic-ray air showers to estimate hadronic cross sections above accelerator energies. We outline these problems and compare the physics used to extract…

High Energy Physics - Phenomenology · Physics 2011-05-12 Ralph Engel , T. K. Gaisser , Paolo Lipari , Todor Stanev

A historical summary is made on the measurements concerning the rising total hadron-hadron cross sections at high energies. The first part of this paper concerns the total cross section measurements performed at the Brookhaven, Serpukhov…

High Energy Physics - Experiment · Physics 2007-12-07 Giorgio Giacomelli

In the light of the latest data by LHCf collaboration of the LHC on leading neutrons spectra it is possible to obtain total pion-proton cross-sections in the TeV energy region. In this work the exact extraction procedure is shown. Final…

High Energy Physics - Phenomenology · Physics 2017-11-23 R. A. Ryutin

Cross sections for proton inelastic collision with different nuclei are described within the Glauber and multiple scattering approximations. A significant difference between approximate `Glauber' formula and exact calculations with a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tadeusz Wibig , Dorota Sobczynska

Even a fundamental symmetry like Lorentz Invariance is an experimental fact and must be experimentally verified. We show that the study of the interactions of Cosmic Rays with universal diffuse background radiation can provide very…

Astrophysics · Physics 2007-05-23 Aurelio F. Grillo , Roberto Aloisio

We present predictions of inclusive antiproton and antineutron production cross sections in proton-proton collisions relevant to primary and secondary antiproton production in cosmic ray interactions with interstellar matter. Our…

High Energy Physics - Phenomenology · Physics 2026-05-07 Mariaelena Boglione , Mattia di Mauro , Fiorenza Donato , Emanuele R. Nocera , Jennifer Rittenhouse West , Andrea Signori

The observation of double parton collisions by CDF has provided the first direct information on the structure of the proton in transverse space. The actual quantity which has been measured is the `effective cross section' $\sigma_{eff}$,…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. Calucci , D. Treleani

Cosmic ray data may allow the determination of the proton-air cross section at ultra-high energy. For example, the distribution of the first interaction point in air showers reflects the particle production cross section. As it is not…

Astrophysics · Physics 2007-09-11 Ralf Ulrich , Johannes Bluemer , Ralph Engel , Fabian Schuessler , Michael Unger

An almost model-independent parametrization for the ratio of the total cross section to the elastic slope, as function of the center of mass energy, is introduced. The analytical result is based on the approximate relation of this quantity…

High Energy Physics - Phenomenology · Physics 2012-02-02 D. A. Fagundes , M. J. Menon
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