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The triple differential cross sections for the 6Li(e,e'p) reaction have been measured in the excitation energy region from 27 to 46 MeV in a search for evidence of the giant dipole resonance (GDR) in 6Li. The cross sections have no distinct…

Nuclear Experiment · Physics 2009-10-31 T. Hotta , T. Tamae , T. Miura , H. Miyase , I. Nakagawa , T. Suda , M. Sugawara , T. Tadokoro , A. Takahashi , E. Tanaka , H. Tsubota

The effective cross section of double parton scattering in high-energy hadron collisions has been measured in proton--proton collisions, with significant variation among final-state observables, contrary to the idea of a universal value.…

High Energy Physics - Phenomenology · Physics 2026-05-14 Joao Vitor C. Lovato , Edgar Huayra , Emmanuel G. de Oliveira

We calculate the cross-sections of diffractive single hadron photo- or electroproduction with large $p_T$, on a nucleon or a nucleus in the shockwave formalism. We use the hybrid formalism mixing collinear factorization with high energy…

High Energy Physics - Phenomenology · Physics 2024-03-05 Michael Fucilla , Andrey Grabovsky , Emilie Li , Lech Szymanowski , Samuel Wallon

The production of $\phi$ mesons has been studied in pp collisions at LHC energies with the ALICE detector via the dimuon decay channel in the rapidity region $2.5 < y < 4$. Measurements of the differential cross section ${\rm…

Nuclear Experiment · Physics 2022-04-07 ALICE Collaboration

The dependence of the differential cross section ${\mathrm{d}\sigma}/{\mathrm{d}p_{\perp}}$ of inclusive heavy quark production in pp and $\bar{\mathrm{p}}$p collisions on the renormalization and factorization scales is investigated. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jiri Srbek , Jiri Chyla

We present numerical results on diffractive dissociation with large invariant mass diffractive final states in the scattering of an electron off a hadron. The diffractive large-mass resummation is performed using the nonlinear…

High Energy Physics - Phenomenology · Physics 2023-08-15 Tuomas Lappi , Anh Dung Le , Heikki Mäntysaari

Using the QCD dipole picture of the BFKL pomeron, the gluon contribution to the cross-section for single diffractive dissociation in deep-inelastic high-energy scattering is calculated. The resulting contribution to the proton diffractive…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Bialas , R. Peschanski

In this paper we consider the Good - Walker approach for the diffractive excitation and updated the Miettinen -- Pumplin (MP) model for $pp/\bar{p}p$ collisions considering the recent LHC data for the total and elastic $pp$ cross sections.…

High Energy Physics - Phenomenology · Physics 2019-07-24 V. P. Goncalves , R. Palota da Silva , P. V. R. G. Silva

We show that the diffractive pp (and p\bar{p}) data (on \sigma_tot, d\sigma_el/dt, proton dissociation into low-mass systems, \sigma^D(low M), and high-mass dissociation, d\sigma/d(\Delta\eta)) in a wide energy range from CERN-ISR to LHC…

High Energy Physics - Phenomenology · Physics 2015-06-16 V. A. Khoze , A. D. Martin , M. G. Ryskin

The interest in the study of diffractive meson production is discussed. The description of diffraction within Regge phenomenology is presented, and the QCD-based understanding of diffractive processes is given. Central production is…

High Energy Physics - Phenomenology · Physics 2015-06-23 R. Schicker

A measurement is made of the cross section for the process ep --> eXY in deep-inelastic scattering with the H1 detector at HERA. The cross section is presented in terms of a differential structure function F_2^D(3)(x_P,beta,Q^2) of the…

High Energy Physics - Experiment · Physics 2010-03-25 C. Adloff

The impact of nonlinear effects in the diffractive observables that will be measured in future electron-ion collisions is investigated. We present, for the first time, the predictions for the diffractive structure function and reduced cross…

High Energy Physics - Phenomenology · Physics 2021-03-17 D. Bendova , J. Cepila , J. G. Contreras , V. P. Goncalves , M. Matas

The cross section for the nuclear diffractive dissociation in proton-lead collisions at the LHC is estimated. Based on the current theoretical uncertainties for the single (target) diffactive cross section in hadron-hadron reactions one…

High Energy Physics - Phenomenology · Physics 2015-06-19 G. Sampaio dos Santos , M. V. T. Machado

We present the first evaluation of color dipole cross section from experimental data on diffractive photo- and electroproduction of vector mesons. The dipole-size and energy dependence of the found dipole cross section is consistent with…

High Energy Physics - Phenomenology · Physics 2016-08-15 J. Nemchik , N. N. Nikolaev , E. Predazzi , B. G. Zakharov

The excitation of the proton into undetected multiparticle states (double diffraction dissociation) is an important background to single diffractive deep-inelastic processes $ep \rightarrow e'p'\rho^{0}, ~e'p'J/\Psi, ~e'p'X$ at HERA. We…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Holtmann , N. N. Nikolaev , A. Szczurek , J. Speth , B. G. Zakharov

We present a measurement of the differential cross section for $t\bar{t}$ events produced in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV as a function of the transverse momentum ($p_T$) of the top quark. The selected events contain a…

High Energy Physics - Experiment · Physics 2014-11-20 The D0 Collaboration , V. Abazov

High energy (CERN SPS and LHC) $pp$ ($p\bar p$) scattering is treated in the framework of Additive Quark Model together with Pomeron exchange theory. The reasonable agreement with experimental data is achieved both for the elastic…

High Energy Physics - Phenomenology · Physics 2015-10-28 Yu. M. Shabelski , A. G. Shuvaev

Hadrons are composite objects made of quarks and gluons, and during a collision one can have several elementary interactions between the constituents. These elementary interactions, using an appropriate theoretical framework, can be related…

High Energy Physics - Phenomenology · Physics 2009-10-29 Paolo Lipari , Maurizio Lusignoli

A new mechanism for hard diffraction based on the anomalous $f_1$ trajectory exchange, which we identify as the odd signature partner of the Pomeron, is suggested. We calculate the contribution of the $f_1$ exchange to elastic and…

High Energy Physics - Phenomenology · Physics 2019-08-17 N. I. Kochelev , D. -P. Min , Y. Oh , V. Vento , A. V. Vinnikov

A model based on Gribov's Regge calculus was developed [1] and was proposed to describe diffractive processes. In this note we present numerical vales obtained from [1] for the dependence of single diffraction cross-section on diffractive…

High Energy Physics - Phenomenology · Physics 2012-08-07 M. G. Poghosyan
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