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Leading neutron (LN) production in $ep$ collisions at high energies is investigated using the color dipole formalism and taking into account saturation effects. We update the treatment of absorptive effects and estimate the impact of these…

高能物理 - 唯象学 · 物理学 2021-03-03 F. Carvalho , V. P. Gonçalves , F. S. Navarra , D. Spiering

I review the problem of parton saturation and its implications through three in principal different approaches, but somewhat related: saturation in a geometrical approach, QCD saturation through the Color Glass Condensate and perturbative…

核理论 · 物理学 2007-05-23 Elena Ferreiro

The problem of restoring Froissart bound to the BFKL-Pomeron is studied in an extended leading-log approximation of QCD. We consider parton-parton scattering amplitude and show that the sum of all Feynman-diagram contributions can be…

高能物理 - 唯象学 · 物理学 2014-11-17 Rim Dib , Justin Khoury , C. S. Lam

In this paper we perform a numerical study of the tranverse expansion of hadronic scattering amplitudes in the dipole picture of high energy QCD. We go beyond the mean field approximation by including fluctuations and also wave function…

高能物理 - 唯象学 · 物理学 2008-11-26 Emil Avsar

We show that, in the framework of Mueller's dipole model, the perturbative QCD odderon is described by the dipole model equivalent of the BFKL equation with a $C$-odd initial condition. The eigenfunctions and eigenvalues of the odderon…

高能物理 - 唯象学 · 物理学 2009-11-10 Yuri V. Kovchegov , Lech Szymanowski , Samuel Wallon

We present the first systematic derivation of the one-loop correction to the large scale matter power spectrum in a mixed cold+hot dark matter cosmology with subdominant massive neutrino hot dark matter. Starting with the equations of…

天体物理学 · 物理学 2009-11-19 Yvonne Y. Y. Wong

An anomalous large level shift is newly found to correct the one-electron spectrum of a closed-shell carbon nanocluster, for example, the spectrum which was described within the model of a thin quantum well rolled into a sphere. As a result…

材料科学 · 物理学 2016-08-31 Slava V. Rotkin

A simple formal computation, and a variation on an old thought experiment, both indicate that QCD with light quarks may confine fundamental color magnetic charges, giving an explicit as well as elegant resolution to the `global color'…

高能物理 - 理论 · 物理学 2015-06-26 Alfred Scharff Goldhaber

We calculate the one-loop QCD corrections for the decay of an off-shell vector boson with vector couplings into two pairs of quarks of equal or unequal flavours keeping all orders in the number of colours. These matrix elements are relevant…

高能物理 - 唯象学 · 物理学 2008-11-26 E. W. N. Glover , D. J. Miller

Using the solution of the BFKL equation including the leading and subleading conformal spin components, we show how the conformal invariance underlying the leading log 1/x expansion of perturbative QCD leads to elastic amplitudes described…

高能物理 - 唯象学 · 物理学 2008-11-26 S. Munier , R. Peschanski

Based on the color dipole representation, we investigate consequences for the $\gamma^{*}\gamma^{*},\gamma^{*}\gamma$ scattering of the finding by Fadin, Kuraev and Lipatov that incorporation of asymptotic freedom into the BFKL equation…

高能物理 - 唯象学 · 物理学 2007-05-23 V. R. Zoller

In the large N_c(number of colors) limit, quenched QCD and QCD are identical. This implies that, in the effective field theory framework, some of the low energy constants in (N_c=3) quenched QCD and QCD are the same up to higher-order…

高能物理 - 格点 · 物理学 2015-06-25 Jiunn-Wei Chen

Within the limits of the large-N_c approximation (with N_c the number of colors), we establish the high-energy behaviour of the diffractive and inclusive cross-sections for deep inelastic scattering at fixed impact parameter. We demonstrate…

高能物理 - 唯象学 · 物理学 2008-11-26 Y. Hatta , E. Iancu , C. Marquet , G. Soyez , D. N. Triantafyllopoulos

We are commenting on an earlier hypothesis of polaron states bound to F centers in alkali halides. These states increasing the effective size of the color centers, they play an active role in concentration-dependent phenomena, such as the…

材料科学 · 物理学 2007-06-21 Mladen Georgiev

The splitting processes of bremsstrahlung and pair production in a medium are coherent over large distances in the very high energy limit, which leads to a suppression known as the Landau-Pomeranchuk-Migdal (LPM) effect. We continue study…

高能物理 - 唯象学 · 物理学 2024-04-22 Peter Arnold , Shahin Iqbal

The next-to-leading order (NLO) corrections to the BFKL equation in the BLM optimal scale setting are briefly discussed. A striking feature of the BLM approach is rather weak Q^2-dependence of the Pomeron intercept, which might indicate an…

高能物理 - 唯象学 · 物理学 2016-11-23 Victor T. Kim , Lev N. Lipatov , Grigorii B. Pivovarov

High energy hard scattering in large $N_{c}$ limit can be described by the QCD dipole model. In this paper, single, double and triple BFKL pomeron exchange amplitudes are computed explicitly within the dipole model. Based on the…

高能物理 - 唯象学 · 物理学 2010-03-25 Bo-Wen Xiao

The next-to-leading order (NLO) QCD corrections are calculated for the pair-annihilation of spin-1 dark matter (DM) by dimensionally regularizing both ultraviolet and infrared singularities in non-relativistic limit (v<<1). The complete…

高能物理 - 唯象学 · 物理学 2009-02-06 Jae Ho Heo

A unitarized BFKL equation incorporating shadowing and antishadowing corrections of the gluon recombination is proposed. This equation reduces to the Balitsky-Kovchegov evolution equation near the saturation limit. We find that the…

高能物理 - 唯象学 · 物理学 2010-03-25 Jianhong Ruan , Zhenqi Shen , Jifeng Yang , Wei Zhu

We investigate a gravity solution containing the gravitational backreaction of the massive scalar field dual to the chiral condensate, which corresponds to $1/N_c$ correction. In general, condensation changes the vacuum structure, so the…

高能物理 - 理论 · 物理学 2011-01-13 Bum-Hoon Lee , Chanyong Park , Sunyoung Shin