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The nonlinearity of Regge trajectories at real negative values of the argument is discussed as their general QCD-inspired property. The processes of elastic diffractive scattering $p+p\to p+p$ and $\bar p+p\to\bar p+p$ at collision energies…

High Energy Physics - Phenomenology · Physics 2009-01-30 A. A. Godizov , V. A. Petrov

A Regge approach to the reaction processes $\gamma p\to\pi^-\Delta^{++}$ and $\gamma p\to\pi^+\Delta^0$ is presented for the description of existing data up to $E_\gamma= 16$ GeV. The model consists of the $t$-channel…

High Energy Physics - Phenomenology · Physics 2017-07-20 Byung-Geel Yu , Kook-Jin Kong

By using a Regge-pole model for vector meson production (VMP), successfully describing the HERA data, we analyse the correlation between VMP cross sections in photon-induced reactions at HERA and those in ultra-peripheral collisions at the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Roberto Fiore , Laszlo Jenkovszky , Vladyslav Libov , Magno Machado

Kaon production in pion-nucleon collisions in nuclear matter is studied in the resonance model. To evaluate the in-medium modification of the reaction amplitude as a function of the baryonic density we introduce relativistic, mean-field…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , A. Sibirtsev , A. W. Thomas

A coherent study of $e^{+}e^{-}$ annihilation into two ($\pi^{+}\pi^{-}$,$K^{+}K^{-}$) and three ($\pi^{+}\pi^{-}\pi^{0},\pi^{+}\pi^{-}\eta$) pseudoscalar meson production is carried out within the framework of resonance chiral theory in…

High Energy Physics - Phenomenology · Physics 2021-03-31 Wen Qin , Ling-Yun Dai , Jorge Portoles

We construct a hadronic kinetic model which describes production of strange particles in ultrarelativistic nuclear collisions in the energy domain of SPS. We test this model on description of the sharp peak in the excitation function of…

Nuclear Theory · Physics 2011-09-13 Boris Tomasik , Evgeni E Kolomeitsev

The exclusive diffractive production of vector mesons and real photons in ep collisions has been studied at HERA in a wide kinematic range. Here the most recent experimental results are presented together with a Regge-type model and…

High Energy Physics - Experiment · Physics 2016-09-08 S. Fazio

A large set of data on proton-proton differential cross sections, analyzing powers and the double polarization parameter A_NN is analyzed employing the Regge formalism. We find that the data available at proton beam momenta from 3 GeV/c to…

High Energy Physics - Phenomenology · Physics 2014-11-20 A. Sibirtsev , J. Haidenbauer , H. -W. Hammer , S. Krewald , U. -G. Meißner

The production of different particle species is recently measured in $Pb-Pb$ collisions by the ALICE experiment at $\sqrt{s}=7 $TeV. This motivates the use of various bosons and baryons measured at lower center-of-mass energies in comparing…

High Energy Physics - Phenomenology · Physics 2012-09-27 A. Tawfik , E. Gamal , A. G. Shalaby

The BUU transport model is applied to study strangeness and pion production in nucleus-nucleus collisions. Starting from proton induced reactions, we further investigate Si+Au, Au+Au and Pb+Pb collisions in the energy range between 2 and 40…

Nuclear Theory · Physics 2011-01-25 M. Wagner , A. B. Larionov , U. Mosel

We discuss exclusive central diffractive production of scalar ($f_{0}(980)$, $f_{0}(1370)$, $f_{0}(1500)$), pseudoscalar ($\eta$, $\eta'(958)$), and vector ($\rho^{0}$) mesons in proton-proton collisions. We show that high-energy central…

High Energy Physics - Phenomenology · Physics 2014-07-15 Piotr Lebiedowicz , Otto Nachtmann , Antoni Szczurek

We review the experimental results on strangeness and antibaryon production in heavy-ion collisions at the AGS and SPS. We argue that the observed enhancement in kaon production at the AGS is consistent with hadronic description, while the…

Nuclear Experiment · Physics 2007-05-23 Fuqiang Wang

Using the Quark-Gluon Strings Model (QGSM) combined with Regge phenomenology we consider the reactions $\pi^- p \to K^0 \Lambda$ and $\pi^- p \to D^- \Lambda_c^+$ which are dominated by the contributions of the $K^*$ and $D^*$ Regge…

Nuclear Theory · Physics 2009-11-07 A. M. Gasparyan , V. Yu. Grishina , L. A. Kondratyuk , W. Cassing , J. Speth

The $e p\to e^\prime p \rho^0$ reaction has been measured, using the 5.754 GeV electron beam of Jefferson Lab and the CLAS detector. This represents the largest ever set of data for this reaction in the valence region. Integrated and…

High Energy Physics - Experiment · Physics 2012-08-27 CLAS collaboration

The pbar p -> Ks Ks -> 4pi+/- cross section was measured at incident antiproton momenta between 0.6 and 1.9 GeV/c using the CERN Low Energy Antiproton Ring (LEAR). This investigation was part of a systematic study of in-flight…

Recent results by the authors on proton diffractive dissociation (single, double and central) in the low-mass resonance region with emphasis on the LHC kinematics are reviewed and updated. Based on the previous ideas that the contribution…

High Energy Physics - Phenomenology · Physics 2023-03-02 László Jenkovszky , Rainer Schicker , István Szanyi

The high-energy behaviour of soft scattering observables such as total cross sections, elastic scattering at small momentum transfer, diffractive dissociation and central production have been described successfully in the context of Regge…

High Energy Physics - Phenomenology · Physics 2015-06-22 A. Donnachie , P. V. Landshoff

Transverse momentum spectra of pions, protons and antiprotons in Au+Au collisions at intermediate RHIC energy of $\sqrt{s_{NN}}=62$ GeV are studied in a model that includes both quark coalescence from the dense partonic matter and…

Nuclear Theory · Physics 2009-11-10 V. Greco , C. M. Ko , I. Vitev

The cross sections for the $p p \to p p \eta$ reaction are evaluated at energies relevant for the HADES, PANDA, and SIS100 experiments at GSI-FAIR. Consideration includes the $\eta$-bremsstrahlung mechanism involving intermediate proton…

High Energy Physics - Phenomenology · Physics 2025-06-27 Piotr Lebiedowicz

This is the third (and the last) code in a collection of three programs [Sokolovski et al (2011), Akhmatskaya et al (2014)] dedicated to the analysis of numerical data, obtained in an accurate simulation of an atom-diatom chemical reaction.…

Quantum Physics · Physics 2022-05-18 E. Akhmatskaya , D. Sokolovski