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Related papers: The Soft Pomeron

200 papers

Using a combination of S-Matrix and perturbative QCD properties in the small x_{Bjorken} regime, we propose a formulation of hard diffraction unifying the partonic (Ingelman-Schlein) Pomeron, Soft Colour Interaction and QCD dipole…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Navelet , R. Peschanski

In this paper we continue the development of a model for strong interactions at high energy, based on two ingredients: CGC/saturation approach and the BFKL Pomeron. In our approach, the unknown mechanism of confinement of quarks and gluons,…

High Energy Physics - Phenomenology · Physics 2015-05-20 E. Gotsman , E. Levin , U. Maor

Using small-angle neutron scattering and liquid integral equation theory, we relate the structure factor of flexible dendrimers of 4th generation to their average shape. The shape is measured as a radial density profile of monomers…

Soft Condensed Matter · Physics 2009-10-31 C. N. Likos , M. Schmidt , H. Loewen , M. Ballauff , D. Poetschke , P. Lindner

A model of a three Pomeron contribution to high energy elastic $pp$ and $\bar p p$ scattering is proposed. The data are well described for all momenta ($0.01\le |t|\le 14. GeV^2$) and energies ($8.\le\sqrt{s}\le 1800. GeV$) ($\chi^2/{\rm…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. A. Petrov , A. V. Prokudin

We apply the tensor-pomeron model to small-$x$ deep-inelastic lepton-proton scattering and photoproduction. Our model includes a soft and a hard tensor pomeron as well as a reggeon contribution. Data with c.m. energies $6 < \sqrt{s} < 318$…

High Energy Physics - Phenomenology · Physics 2020-01-23 Daniel Britzger , Carlo Ewerz , Sasha Glazov , Otto Nachtmann , Stefan Schmitt

Soft hadron production is described as a two-step process, where the interaction of the partonic constituents of the colliding hadrons leads to the production of intermediate subsystems (fireballs), which decay subsequently into hadrons.…

High Energy Physics - Phenomenology · Physics 2009-01-07 H. Mueller

In this paper, we investigate the stability properties of soft gluons in SIBYLL 2.1 with reference to its original version 1.7 that corresponds to hadronic hard interactions. In order to investigate the stability structures, we classify the…

High Energy Physics - Phenomenology · Physics 2019-09-04 Rahul Kumar Thakur , Bhupendra Nath Tiwari , Rahul Nigam

Soft materials consist of basic units that are significantly larger than an atom but much smaller than the overall dimensions of the sample. The label "soft condensed matter" emphasizes that the large basic building blocks of these…

Soft Condensed Matter · Physics 2017-04-19 Sidney R. Nagel

In the framework of our model of soft interactions at high energy based on CGC/saturation approach,we show that Bose-Einstein correlations of identical gluons lead to large values of $v_n$. We demonstrate how three dimensional scales of…

High Energy Physics - Phenomenology · Physics 2016-11-23 E. Gotsman , E. Levin , U. Maor

The correspondence between the gluon density behavior of the color dipole picture and the two-Pomeron approach at low $x$ deep inelastic scattering is considered. For photon virtualities of $Q^{2}{\gtrsim}10~\mathrm{GeV}^{2}$, the results…

High Energy Physics - Phenomenology · Physics 2023-03-16 G. R. Boroun

Two classes of jet correlations in hot and dense matter are explored. Correlations between very high transverse momentum hadrons within a jet sample the gluon density of the medium, where, the minimal modification on the same side as the…

Nuclear Theory · Physics 2008-11-26 A. Majumder

It is shown that the soft mechanism of multiparticle production by Lund hadronic strings formed by colliding constituent degrees of freedom generates a shape of angular correlations similar to the ridge structure observed in the pp…

High Energy Physics - Phenomenology · Physics 2011-06-28 M. Yu. Azarkin , I. M. Dremin , A. V. Leonidov

A recently published soft Regge Dipole Pomeron model intended for all $x$ and $Q^2$ is proved to give a good agreement with (non fitted) recent HERA data from ZEUS (SVX95) on the protonstructure function $F_2^p(x,Q^2)$ at low $Q^2$ and low…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Desgrolard , A. Lengyel , E. Martynov

It is possible to express all the strong and electromagnetic interactions of ground state hadrons in terms of a single coupling constant and the constituent quark masses, using spin-flavour relativistic supermultiplet theory. Results are…

High Energy Physics - Phenomenology · Physics 2008-11-26 R Delbourgo , Dongsheng Liu

The improved light-cone QCD sum rules by using chiral current correlator is systematically reviewed and applied to the calculation of all the heavy-to-light form factors, including all the semileptonic and penguin ones. By choosing suitable…

High Energy Physics - Phenomenology · Physics 2009-03-12 Tao Huang , Zuo-Hong Li , Fen Zuo

Hard processes are a well calibrated probe to study heavy-ion collisions. However, the information to be gained from the nuclear suppression factor R_AA is limited, hene one has to study more differential observables to do medium…

High Energy Physics - Phenomenology · Physics 2008-11-26 Thorsten Renk , Kari J. Eskola

We describe the elements of the GLM model that successfully describes soft hadronic interactions at energies from ISR to LHC. This model is based on a single Pomeron with a large intercept $\Delta_{\pom}$ = 0.23 and slope $\alpha_{\pom}'$ =…

High Energy Physics - Phenomenology · Physics 2013-04-30 Errol Gotsman

We discuss a constraint of conformal symmetry in the analysis of the pion form factor. The usual power-law behavior of the form factor obtained in the perturbative QCD analysis can also be attained by taking negligible quark masses in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. -M. Choi , C. -R. Ji

We discuss some properties of the Pomeron in high energy elastic hadron-hadron and deep inelastic lepton-hadron scattering. A number of issues concerning the nature and the origin of the Pomeron are briefly recalled here. The novelty in…

High Energy Physics - Phenomenology · Physics 2015-06-25 M. Bertini , M. Giffon , L. Jenkovszky , F. Paccanoni , E. Predazzi

Double parton scattering events are directly sensitive to the correlations between two partons inside a proton and can answer fundamental questions on the connections between the proton constituents. In this chapter, the different types of…

High Energy Physics - Phenomenology · Physics 2018-01-11 Tomas Kasemets , Sergio Scopetta