English
Related papers

Related papers: Regge Analysis of Diffractive and Leading Baryon S…

200 papers

The proton diffractive structure function $F_2^{D(3)}$ measured in the H1 and ZEUS experiments at HERA is analyzed in terms of both Regge phenomenology and perturbative QCD evolution. A new method determines the values of the Regge…

High Energy Physics - Phenomenology · Physics 2010-03-25 C. Royon , L. Schoeffel , J. Bartels , H. Jung , R. Peschanski

The "triple-Regge" analysis of subleading Reggeon contributions to the diffractive structure function in DIS at HERA is presented. The recently published data allow to estimate the only free parameter of the analysis related to the ratio of…

High Energy Physics - Phenomenology · Physics 2016-11-03 K. Golec-Biernat , J. Kwiecinski , A. Szczurek

A detailed analysis of semi-exclusive diffractive processes in e-p DIS at HERA, with the diffractive final states in the forward direction is presented. The contributions of the subleading f_2, \omega, a_2, \rho reggeons and the pion…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Golec-Biernat , J. Kwieciński , A. Szczurek

Measurements of the diffractive structure function, $F_2^D$, of the proton at HERA are used to extract the partonic structure of the Pomeron. Regge Factorization is tested and is found to describe well the existing data within the selected…

High Energy Physics - Phenomenology · Physics 2011-07-19 Halina Abramowicz , Michael Groys , Aharon Levy

We construct diffractive parton distributions in the model of DIS diffraction in which the diffractive state is formed by the $q\bar{q}$ and $q\bar{q}g$ components. The interaction of such systems with the proton is described by the dipole…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Golec-Biernat , M. Wusthoff

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 1994 data published by the H1 collaboration are compared with models based on Regge phenomenology. The $x_{\PO}$ dependence of the data can be described in a model based on the exchange of a dominant diffractive (pomeron) trajectory…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Royon

We present a combined QCD analysis of recent data produced by the H1 and ZEUS collaborations on the diffractive and leading-proton deep inelastic positron--proton scattering structure functions, $F_2^{D(3)}$ and $F_2^{LP(3)}$, respectively.…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. de Florian , R. Sassot

We analyse the latest H1 large rapidity gap data to obtain diffractive parton distributions, using a procedure based on perturbative QCD, and compare them with distributions obtained from the simplified Regge factorisation type of analysis.…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. D. Martin , M. G. Ryskin , G. Watt

We discuss the factorization breaking effects caused by the contribution to large rapidity gap events from DIS on secondary reggeons. Based on the triple-Regge phenomenology of hadronic diffraction dissociation, we present estimates for the…

High Energy Physics - Phenomenology · Physics 2008-02-03 N. N. Nikolaev , W. Schaefer , B. G. Zakharov

While the main features of elastic, diffractive and total cross sections are described well by Regge theory, the measured rise of the proton-(anti)proton single diffraction dissociation cross section with energy is considerably smaller than…

High Energy Physics - Phenomenology · Physics 2010-05-12 K. Goulianos

We present {\tt SKMHS22}, a new set of diffractive parton distribution functions (PDFs) and their uncertainties at next-to-leading-order accuracy in perturbative QCD within the {\tt xFitter} framework. We describe all available diffractive…

High Energy Physics - Phenomenology · Physics 2022-10-05 Maral Salajegheh , Hamzeh Khanpour , Ulf-G Meißner , Hadi Hashamipour , Maryam Soleymaninia

The proton, neutron and deuteron structure functions $F_2(x,Q^2)$ and $g_1(x,Q^2)$, measured at intermediate $Q^2$, are analyzed within a Regge approach. This analysis serves to fix the parameters of this scheme which are then used to…

High Energy Physics - Phenomenology · Physics 2014-11-17 N. I. Kochelev , K. Lipka , W. -D. Nowak , V. Vento , A. V. Vinnikov

We review diffractive deep inelastic scattering (DIS) in the light of the collinear factorization theorem. This theorem allows to define diffractive parton distributions in the leading twist approach. Due to its selective final states,…

High Energy Physics - Phenomenology · Physics 2010-03-25 K. Golec-Biernat , M. Wusthoff

Results from a phenomenological analysis of $W$ and $Z$ hard diffractive hadroproduction at high energies are reported. Using the Regge factorization approach, we consider the recent diffractive parton density functions extracted by the H1…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. B. Gay Ducati , M. M. Machado , M. V. T. Machado

We present microscopic QCD calculation of the cross section of diffractive DIS and of the partonic structure of the pomeron from the dipole approach to the generalized BFKL pomeron. We show that the pomeron can not be treated as a particle…

High Energy Physics - Phenomenology · Physics 2009-09-25 M. Genovese , N. N. Nikolaev , B. G. Zakharov

We present a description of inclusive and diffractive structure functions in DIS at small $x$, using a model based on high energy factorization. In this model the two processes have physical interpretation in terms of the virtual photon…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Golec-Biernat

We extract diffractive parton distribution functions (DPDFs) and diffractive structure functions from the most recent H1 and ZEUS diffractive DIS data obtained by various methods. We consider Pomeron as an object with parton distribution…

High Energy Physics - Phenomenology · Physics 2015-05-30 S. Taheri Monfared , Ali N. Khorramian , S. Atashbar Tehrani

We present a combined QCD analysis of diffractive and leading proton deep inelastic scattering data using the framework of fracture functions. It is shown that this framework allows a precise and unified perturbative QCD description for the…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. de Florian , R. Sassot

Electroproduction of $\pi^+$ above the resonance region is analyzed in the Regge model for $\pi+\rho$ exchanges. Importance of the roles of pion and proton form factors in the process is discussed in comparison with existing models of…

Nuclear Theory · Physics 2015-12-01 Tae Keun Choi , Kook Jin Kong , Byung Geel Yu
‹ Prev 1 2 3 10 Next ›