English
Related papers

Related papers: `Effective' Pomeron model at large $\mathbf{b}$

200 papers

In this talk we give a brief description of a QCD motivated model for both hard and soft interactions at high energies. In this model the long distance behaviour of the scattering amplitude is determined by the dipole scattering amplitude…

High Energy Physics - Phenomenology · Physics 2009-11-13 A. Kormilitzin , E. Levin

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

As it was recently shown, the colour singlet BFKL kernel, taken in Moebius representation in the space of impact parameters, can be written in quasi-conformal shape, which is unbelievably simple compared with the conventional form of the…

High Energy Physics - Theory · Physics 2015-06-05 V. S. Fadin , R. Fiore , A. Papa

We consider the effects of quark masses to the perturbative thrust in $e^+e^-$ annihilation. In particular we show that perturbative power corrections resulting from non-zero quark masses considerably alters the size of the non-perturbative…

High Energy Physics - Phenomenology · Physics 2015-06-25 Sunanda Banerjee , Rahul Basu

We study the non-linear behavior of the baryon acoustic oscillation in the power spectrum and the correlation function by decomposing the dark matter perturbations into the short- and long-wavelength modes. The evolution of the dark matter…

Cosmology and Nongalactic Astrophysics · Physics 2014-02-27 Naonori S. Sugiyama , David N. Spergel

Perturbative corrections of the order of $\alpha_s$ to inclusive double differential lepton distribution from $b$ quark decay are considered. A perturbative correction to the charged lepton energy spectrum has been calculated for an…

High Energy Physics - Phenomenology · Physics 2011-01-25 Marek Jezabek , Leszek Motyka

We study the large-x behaviour of the physical evolution kernels for flavour non-singlet observables in deep-inelastic scattering, where x is the Bjorken variable, semi-inclusive e^+ e^- annihilation and Drell-Yan lepton-pair production.…

High Energy Physics - Phenomenology · Physics 2009-12-04 S. Moch , A. Vogt

We present a new method for solving the BFKL evolution applicable at both leading and next-to-leading logarithmic accuracy, and tailored to the study of QCD multi-jet events at colliders. We utilise this to discuss corrections to the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jeppe R. Andersen

We study the nonleptonic decays of $B\to PP$ in the modified perturbative QCD approach, where $P$ stands for pseudoscalar mesons. Transverse momenta of partons and the Sudakov factor are included, which help to suppress the contributions of…

High Energy Physics - Phenomenology · Physics 2025-01-22 Sheng Lü , Ru-Xuan Wang , Mao-Zhi Yang

Unitarity corrections to the BFKL evolution at next to leading order determine a new component of the evolution kernel which is shown to possess conformal invariance properties. Expressions for the complete spectrum of the new component and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Claudio Coriano' , Alan R. White

We calculate the structure functions for unpolarized deep inelastic scattering of baryons using an AdS/QCD soft wall model that considers a dressed mass for the bulk fermionic fields. Considering the regime of large Bjorken parameter x, we…

High Energy Physics - Phenomenology · Physics 2015-05-30 Nelson R. F. Braga , Alfredo Vega

The QCD expectations for the behaviour of the deep inelastic scattering structure functions in the region of small values of the Bjorken parameter $x$ are summarized. The Balitzkij, Lipatov, Fadin, Kuraev (BFKL) equation which sums the…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. Kwiecinski

We study the implications of deformed quantum algebras for the generation of primordial perturbations from slow-roll inflation. Specifically, we assume that the quantum commutator of the inflaton's amplitude and momentum in Fourier space…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Andrew C. Day , Iain A. Brown , Sanjeev S. Seahra

We propose and analyze an improved small-x equation which incorporates exact leading and next-to-leading BFKL kernels on one hand and renormalization group constraints in the relevant collinear limits on the other. We work out in detail the…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. Ciafaloni , D. Colferai , G. P. Salam

{In this paper we propose a new impact-parameter dependent CGC/saturation model. We introduce two new features in the model that make it consistent with what we know theoretically about the deep inelastic scattering. They are: the use of…

High Energy Physics - Phenomenology · Physics 2016-02-17 Carlos Contreras , Eugene Levin , Irina Potashnikova

The BFKL pomeron is swamped by the soft pomeron, at least at t=0.

High Energy Physics - Phenomenology · Physics 2007-05-23 P V Landshoff

A discrepancy between new data on inclusive single jet production at the Fermilab Tevatron and perturbative QCD is discussed. It is shown that the discrepancy may be accounted for by the BFKL Pomeron.

High Energy Physics - Phenomenology · Physics 2009-12-30 Victor T. Kim , Grigorii B. Pivovarov

Conformally invariant reggeon interactions derived from $t$-channel unitarity are discussed and progress towards understanding the ``physical Pomeron'', via massless quark reggeon interactions, is briefly outlined.

High Energy Physics - Phenomenology · Physics 2009-10-30 Alan R. White

The response of a passive mode-locking mechanism, where gain and spectral filtering are saturated with the energy and loss saturated with the power, is examined under the presence of higher order effects. These include third order…

Optics · Physics 2015-06-22 Theodoros P. Horikis , Mark J. Ablowitz

We point out that current estimates of form factors fail to explain the non-leptonic decays $B \to \psi K(K^{\ast})$ and that the combination of data on the semi-leptonic decays $D \to K(K^{\ast})\ell \nu$ and on the non-leptonic decays $B…

High Energy Physics - Phenomenology · Physics 2009-10-28 R. Aleksan , A. Le Yaouanc , L. Oliver , O. Pène , J. -C. Raynal
‹ Prev 1 8 9 10 Next ›