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Related papers: QCD Mini-jet contribution to the total cross secti…

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A model for total cross-sections incorporating QCD jet cross-sections and soft gluon resummation is described and compared with present data on $pp$ and ${\bar p}p$ cross-sections. Predictions for LHC are presented for different parameter…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Pancheri , R. M. Godbole , A. Grau , Y. N. Srivastava

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

A model for both proton and photon total cross-sections is presented and compared with data. The model is based on the eikonal representation, with QCD mini-jets to drive the rise and soft gluon kt-resummation into the Infrared region to…

High Energy Physics - Phenomenology · Physics 2010-01-27 R. M. Godbole , A. Grau , G. Pancheri , Y. N. Srivastava

Predictions for total inelastic cross-sections for photon induced processes are discussed in the context of the QCD-inspired minijet model. Large theoretical uncertainties exist, some of them related to the parton distributions of hadrons…

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

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

This is a short communication with a summary of results obtained with a model based on Gribov's reggeon calculus, which was proposed and applied to processes of soft diffraction at high energies. We present a brief description of the model…

High Energy Physics - Phenomenology · Physics 2011-09-19 A. B. Kaidalov , M. G. Poghosyan

We describe the taming effect induced by soft gluon $k_t$-resummation on the rapid rise of QCD mini-jet contributions to the total cross-sections.This results from an eikonal model in which the rise of the total cross-section is due to…

High Energy Physics - Phenomenology · Physics 2010-07-02 Giulia Pancheri , Agnes Grau , Rohini M. Godbole , Yogendra N. Srivastava

The lower and upper limits of the total cross section ($\sigma_{tot}$) at the projected FCC-hh have been estimated. A lower limit has been estimated using dispersion relations in combination with recent LHC data of $\sigma_{tot}$ and the…

High Energy Physics - Phenomenology · Physics 2023-06-28 Per Grafstrom

We compute the ratio of the inclusive jet cross-sections obtained with the same jet algorithm at two different values of the jet radius. We perform a computation of that observable at NLO (O(alphas^2)) in perturbative QCD and compute…

High Energy Physics - Phenomenology · Physics 2011-03-21 Gregory Soyez

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

We discuss the high energy behaviour of total cross-sections for protons and photons, in a QCD based framework with particular emphasis on the role played by soft gluons

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

A previously successful model for purely hadronic total cross-sections, based on QCD minijets and soft-gluon resummation, is here applied to the total photoproduction cross section. We find that our model in the gamma p case predicts a rise…

High Energy Physics - Phenomenology · Physics 2009-01-05 A. Achilli , R. M. Godbole , A. Grau , G. Pancheri , Y. N. Srivastava

In this note, we summarize and compare various model predictions for $pp$ total cross-section $\sigma_{\rm tot}^{pp}$, giving an estimate of the range of predictions for the total cross-section, $\sigma_{\rm tot}^{pp}$ expected at the LHC.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Rohini M. Godbole , Agnes Grau , Rohit Hegde , Giulia Pancheri , Yogi Srivastava

Inclusive single jet production in hadron collisions is considered. It is shown that the QCD parton model predicts a nonmonotonic dependence of the inclusive cross section on the fraction of the energy deposited in the jet registered, if it…

High Energy Physics - Phenomenology · Physics 2008-02-03 Victor T. Kim , Grigorii B. Pivovarov , James P. Vary

New results are presented for total ${\rm pp}/ {\rm \bar p p}$ cross-sections, in the framework of our QCD based model (GGPS). This is an improved eikonal mini-jet model, where soft gluon radiation tames the fast energy rise normally…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andrea Achilli , Rohit Hegde , Rohini M. Godbole , Agnes Grau , Giulia Pancheri , Yogi Srivastava

Multiple partonic interactions are widely used to simulate the hadronic final state in high energy hadronic collisions, and successfully describe many features of the data. It is important to make maximum use of the available physical…

High Energy Physics - Phenomenology · Physics 2009-01-30 Manuel Bähr , Jonathan M. Butterworth , Michael H. Seymour

Recent results for the total and inelastic hadronic cross-sections from LHC experiments are compared with predictions from a single channel PDF driven eikonal mini-jet model and from an empirical model. The role of soft gluon resummation in…

High Energy Physics - Phenomenology · Physics 2017-09-20 Daniel A. Fagundes , Agnes Grau , Giulia Pancheri , Olga Shekhovtsova , Yogendra N. Srivastava

An eikonalized elastic proton-proton and proton-antiproton scattering amplitude, based on the suggestion of a finite sum of ladder diagrams, calculated from QCD and the number of $s-$channel gluon rungs and correspondingly the powers of…

High Energy Physics - Phenomenology · Physics 2012-02-21 A. Lengyel , Z. Tarics

We discuss total cross-sections within the context of the QCD calculable mini-jet model, highlighting its successes and failures. In particular we show its description of $\gamma \gamma \to hadrons$ and compare it with OPAL and L3 data. We…

High Energy Physics - Phenomenology · Physics 2009-11-07 Rohini M. Godbole , A. Grau , G. Pancheri

We show that the onset and rise of QCD mini-jets provide the dynamical mechanism behind the appearance of a soft edge in pp collisions around ISR energies and thus such a soft edge is built in our mini-jet model with soft gluon resummation.…

High Energy Physics - Phenomenology · Physics 2015-10-02 D. A. Fagundes , A. Grau , G. Pancheri , Y. N. Srivastava , O. Shekhovtsova
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