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Related papers: Recent developments in small-x resummation

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Over the past few years considerable progress has been made on the resummation of double-logarithmically enhanced threshold (large-x) and high-energy (small-x) higher-order contributions to the splitting functions for parton and…

High Energy Physics - Phenomenology · Physics 2012-12-13 A. Vogt , C. H. Kom , N. A. Lo Presti , G. Soar , A. A. Almasy , S. Moch , J. A. M. Vermaseren , K. Yeats

We investigate the influence of higher twist corrections to deep inelastic structure functions in the low-$Q^2$ and small-$x$ HERA region. We review the general features of the lowest-order QCD diagrams which contribute to twist-4 at…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Bartels , K. Golec-Biernat , K. Peters

We present a summary of the physics of gluon saturation and non-linear QCD evolution at small values of parton momentum fraction $x$ in the proton and nucleus in the context of recent experimental results at HERA and RHIC. The rich physics…

High Energy Physics - Experiment · Physics 2008-11-26 David d'Enterria

Recent developments in set optimization are surveyed and extended including various set relations as well as fundamental constructions of a convex analysis for set- and vector-valued functions, and duality for set optimization problems.…

Optimization and Control · Mathematics 2024-01-26 Andreas H. Hamel , Frank Heyde , Andreas Löhne , Birgit Rudloff , Carola Schrage

Recent developments in the theory of heavy quarks are reviewed. In the area of heavy quark fragmentation, there has been progress in the study of both pertubative and nonperturbative processes, including the identification of new observable…

High Energy Physics - Phenomenology · Physics 2008-02-03 Adam F. Falk

Despite the rapid growth of context length of large language models (LLMs) , LLMs still perform poorly in long document summarization. An important reason for this is that relevant information about an event is scattered throughout long…

Computation and Language · Computer Science 2025-02-04 Taiji Li , Hao Chen , Fei Yu , Yin Zhang

Structure function data together with other measurements from fixed-target deep inelastic scattering and hadron-hadron collider experiments which contribute to our knowledge of the parton density functions are reviewed. The inclusive…

High Energy Physics - Phenomenology · Physics 2008-11-26 Zhiqing Zhang

"Preprint" of paper from 1989 that wasn't arxiv'ed at the time. Abstract: Our understanding of quantum field theories, and, in particular, of renomalization has changed radically in recent years; renormalization is no longer a deeply…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Peter Lepage

High statistics measurements of the diffractive reduced cross section $\sigma_r^D$ from the H1 collaboration are presented which make use of two different experimental methods to achieve the largest possible coverage of the kinematic phase…

High Energy Physics - Experiment · Physics 2013-11-05 Alice Valkárová

We discuss the ways of extracting a low energy scale of an underlying theory using high energy scattering data. Within an exactly solvable model of quantum mechanics we analyze a technique based on introduction of nonperturbative power…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. A. Penin , A. A. Pivovarov

We investigate the Q^2 evolution of parton distributions at small x values, obtained in the case of flat initial conditions. The results are in excellent agreement with deep inelastic scattering experimental data from HERA.

High Energy Physics - Phenomenology · Physics 2009-10-31 A. V. Kotikov , G. Parente

Developments in precision electroweak physics in the two years since the symposium are briefly summarized.

High Energy Physics - Phenomenology · Physics 2008-11-26 Paul Langacker

The measurement of forward jet cross sections has been suggested as a promising probe of new small x parton dynamics and the question is whether the new HERA data provide an indication of this. In this paper the influence of resolved photon…

High Energy Physics - Phenomenology · Physics 2014-11-17 H. Jung , L. Jönsson , H. Küster

This brief review of recent X-ray observations of young supernova remnants highlights results obtained by the Chandra and XMM Newton Observatories since their launch last year. Their impressive capabilities are illustrated by results for…

Astrophysics · Physics 2009-11-06 Una Hwang

In this paper we provide an overview of important research works on response-adaptive randomization completed in the past decades.

Methodology · Statistics 2015-02-03 Li-Xin Zhang

This paper briefly reviews past milestones in the field of medical image reconstruction and describes some future directions. It is part of an overview paper on "open problems in signal processing" that will appear in IEEE Signal Processing…

Medical Physics · Physics 2017-07-20 Jeffrey A. Fessler

This paper describes some of the ideas used in the development of our work on small gaps between primes.

Number Theory · Mathematics 2007-05-23 D. A. Goldston , J. Pintz , C. Y. Yildirim

We introduce a new angular correlation in DIS process and study its differential distribution in the region in which the observable is small. We perform a perturbative resummation at single logarithmic accuracy and estimate leading…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Banfi , G. Marchesini , G. Smye

Low-rank matrix recovery problems are inverse problems which naturally arise in various fields like signal processing, imaging and machine learning. They are non-convex and NP-hard in full generality. It is therefore a delicate problem to…

Optimization and Control · Mathematics 2021-05-24 Irène Waldspurger

The concept of biased data is well known and its practical applications range from social sciences and biology to economics and quality control. These observations arise when a sampling procedure chooses an observation with probability that…

Statistics Theory · Mathematics 2007-06-13 Sam Efromovich