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Related papers: Low x and diffraction: theory

200 papers

We review dark energy models which can present non-negligible fluctuations on scales smaller than Hubble radius. Both linear and nonlinear evolutions of dark energy fluctuations are discussed. The linear evolution has a well-established…

Cosmology and Nongalactic Astrophysics · Physics 2022-04-27 Ronaldo C. Batista

Pursuing the goal to single out the validity region of the high-energy resummation, better known as BFKL approach, and to possibly disentangle BFKL effects from the ones coming from a DGLAP-inspired, fixed-order description, new predictions…

High Energy Physics - Phenomenology · Physics 2019-06-28 Andrèe Dafne Bolognino , Francesco Giovanni Celiberto , Dmitry Yu. Ivanov , Mohammed M. A. Mohammed , Alessandro Papa

In this paper, we consider near cloaking for the full Maxwell equations. We extend the recent results, where the quasi-static limit case and the Helmholtz equation are considered, to electromagnetic scattering problems. We construct very…

Analysis of PDEs · Mathematics 2012-12-27 Habib Ammari , Hyeonbae Kang , Hyundae Lee , Mikyoung Lim , Sanghyeon Yu

We discuss how the multi-Regge factorisation of QCD amplitudes can be used in the study of multi-jet processes at colliders. We describe how the next-to-leading logarithmic (NLL) BFKL evolution can be combined with energy and momentum…

High Energy Physics - Phenomenology · Physics 2017-08-23 Jeppe R. Andersen

The present status of lattice calculations of the B spectrum and f_B, using NRQCD for the b quark, is discussed.

High Energy Physics - Lattice · Physics 2009-10-30 A. Ali Khan

In the case where the charge of the particle is small compared to its mass, we describe the asymptotics of the Lorentz-Maxwell equation for any finite-energy data. As time goes to infinity, we prove that the speed of the particle converges…

Analysis of PDEs · Mathematics 2009-11-13 Pierre Germain

We establish the various properties as well as diverse relations of the ascent and descent spectra for bounded linear operators. We specially focus on the theory of subspectrum. Furthermore, we construct a new concept of convergence for…

Functional Analysis · Mathematics 2018-08-27 Nassim Athmouni , Mondher Damak , Chiraz Jendoubi

After giving a short review on the impact picture approach for the elastic scattering amplitude, we will discuss the importance of some issues related to its real and imaginary parts. This will be illustrated in the context of recent data…

High Energy Physics - Phenomenology · Physics 2012-06-19 Jacques Soffer

The high-energy behaviour of the total cross section for highly virtual photons, as predicted by the BFKL equation at next-to-leading order (NLO) in QCD, is discussed. The NLO BFKL predictions, improved by the BLM optimal scale setting, are…

High Energy Physics - Phenomenology · Physics 2009-09-11 S. J. Brodsky , V. S. Fadin , V. T. Kim , L. N. Lipatov , G. B. Pivovarov

High-energy cosmic ray electrons interaction with Dark Matter particles are considered. In particular, a weakening of energy spectrum of cosmic electrons is predicted resulting from inelastic electron scattering on hyper-pions in the…

High Energy Physics - Phenomenology · Physics 2019-05-01 V. Beylin , M. Bezuglov , V. Kuksa , E. Tretyakov , A. Yagozinskaya

We apply the ``black box'' scattering theory to problems in control theory and in high energy eigenvalue scarring.

Analysis of PDEs · Mathematics 2007-05-23 N. Burq , M. Zworski

The theoretical status of perturbative QED and QCD corrections to deep inelastic scattering is reviewed.

High Energy Physics - Phenomenology · Physics 2012-08-30 J. Blümlein

The contributions to the deep inelastic scattering structure function which arise from emission of zero, one, two or three resolvable gluons and any number of unresolvable ones are computed to order ${\bar \alpha}_{S}^{3}$. Coherence…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. R. Forshaw , A. Sabio Vera

The problem of describing low-energy two-body scattering for systems with two open channels with different thresholds is addressed in the context of an effective field theory. In particular, the problem where the threshold is unnaturally…

Nuclear Theory · Physics 2009-11-10 Thomas D. Cohen , Boris A. Gelman , U. van Kolck

A self-contained discussion of nonrelativistic quantum scattering is presented in the case of central potentials in one space dimension, which will facilitate the understanding of the more complex scattering theory in two and three…

Quantum Physics · Physics 2009-11-06 Vania E. Barlette , Marcelo M. Leite , Sadhan K. Adhikari

I review the recent results in the field of QCD at high energy presented to this Conference. In particular, I will concentrate on measurements of $\as$ from studies of event structures and jet rates, jet production in hadronic collisions,…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. L. Mangano

The distribution of transverse energy, $E_T$, which accompanies deep-inelastic electron-proton scattering at small $x$, is predicted in the central region away from the current jet and proton remnants. We use BFKL dynamics, which arises…

High Energy Physics - Phenomenology · Physics 2009-09-25 J. Kwiecinski , A. D. Martin , P. J. Sutton , K. Golec-Biernat

Selected problems in heavy quark physics are discussed. The wealth of research problems in this field of physics is stressed.

High Energy Physics - Phenomenology · Physics 2011-03-02 Kacper Zalewski

Methods for studying droplets in models with quenched disorder are critically examined. Low energy excitations in two dimensional models are investigated by finding minimal energy interior excitations and by computing the effect of bulk…

Disordered Systems and Neural Networks · Physics 2009-10-31 A. Alan Middleton

We discuss the phenomenological and theoretical implications of recent progresses in the evaluation of multi-Pomeron vertices in high-energy perturbative QCD.

High Energy Physics - Phenomenology · Physics 2008-11-26 Robi Peschanski