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Fluids made of two-dimensional hard particles with polygonal shapes may stabilize symmetries which do not result directly from the particle shape. This is due to the formation of clusters in the fluid. Entropy alone can drive these effects,…

Soft Condensed Matter · Physics 2024-02-05 Yuri Martinez-Raton , Enrique Velasco

The intrinsic dimensionality refers to the ``true'' dimensionality of the data, as opposed to the dimensionality of the data representation. For example, when attributes are highly correlated, the intrinsic dimensionality can be much lower…

Machine Learning · Statistics 2020-11-30 Erik Thordsen , Erich Schubert

Motivated by the challenging formation stabilization problem for mobile robotic teams when no distance or relative displacement measurements are available and each robot can only measure some of those angles formed by rays towards its…

Systems and Control · Electrical Eng. & Systems 2019-08-06 Liangming Chen , Ming Cao , Chuanjiang Li

We examine the endpoint region of inclusive deep inelastic scattering at next-to-leading power (NLP). Using a soft-collinear effective theory approach with no explicit soft or collinear modes, we discuss the factorization of the cross…

High Energy Physics - Phenomenology · Physics 2023-04-24 Michael Luke , Jyotirmoy Roy , Aris Spourdalakis

Deeply inelastic scattering (DIS) is an essential process for exploring the structure of visible matter and testing the standard model. At the same time, the theoretical interpretation of DIS measurements depends on QCD factorization…

High Energy Physics - Phenomenology · Physics 2024-12-20 Henry Bloss , Brandon Kriesten , T. J. Hobbs

Event shapes have long been used to extract information about hadronic final states and the properties of QCD, such as particle spin and the running coupling. Recently, a family of event shapes, the angularities, has been introduced that…

High Energy Physics - Phenomenology · Physics 2009-11-11 Carola F. Berger

The angular measure on the unit sphere characterizes the first-order dependence structure of the components of a random vector in extreme regions and is defined in terms of standardized margins. Its statistical recovery is an important step…

Statistics Theory · Mathematics 2024-07-16 Stéphane Lhaut , Johan Segers

The angular correlation is a method for measuring the distribution of structure in the Universe, through the statistical properties of the angular distribution of galaxies on the sky. We measure the angular correlation of galaxies from the…

Cosmology and Nongalactic Astrophysics · Physics 2024-11-20 Brandon Venville , David Parkinson , Natasha Hurley-Walker , Tim Galvin , Kathryn Ross

This talk discusses the effective field theory view of deep inelastic scattering. In such an approach, the standard factorization formula of a hard coefficient multiplied by a parton distribution function arises from matching of QCD onto an…

High Energy Physics - Phenomenology · Physics 2014-11-21 Gil Paz

We complete our study of resummed event-shape distributions in DIS by presenting results for the class of observables that includes the current jet mass, the C-parameter and the thrust with respect to the current-hemisphere thrust axis. We…

High Energy Physics - Phenomenology · Physics 2009-11-07 Mrinal Dasgupta , Gavin P. Salam

The existing data obtained in deep-inelastic scattering (DIS) experiments in the kinematical region $x_B \approxle 10^{-2}$ and $Q^2 \ge 5 {GeV}^2$ are examined to gain further insight into the dynamics of interacting gluons. It is shown…

High Energy Physics - Phenomenology · Physics 2007-05-23 Meng Ta-chung , R. Rittel , K. Tabelow

The general expression of the angular distance between two point sources as measured by an arbitrary observer is given. The modelling presented here is rigorous, covariant and valid in any space-time. The sources of light may be located at…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Pierre Teyssandier , Christophe Le Poncin-Lafitte

We apply the soft-collinear effective theory (SCET) to deep inelastic scattering near the endpoint region. The forward scattering amplitude, and the structure functions are shown to factorize as a convolution of the Wilson coefficients, the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Junegone Chay , Chul Kim

In [1], we demonstrated that the structure function $g_1(x_B,Q^2)$ measured in polarized deeply inelastic scattering (DIS) is dominated by the triangle anomaly in both the Bjorken limit of large $Q^2$ and the Regge limit of small $x_B$. In…

High Energy Physics - Phenomenology · Physics 2022-04-11 Andrey Tarasov , Raju Venugopalan

We analyze transverse thrust in the framework of Soft Collinear Effective Theory and obtain a factorized expression for the cross section that permits resummation of terms enhanced in the dijet limit to arbitrary accuracy. The factorization…

High Energy Physics - Phenomenology · Physics 2015-06-19 Thomas Becher , Xavier Garcia i Tormo

These lectures are a brief introduction to scattering amplitudes. We begin with a review of basic kinematical concepts like the spinor helicity formalism, followed by a tutorial on bootstrapping tree-level scattering amplitudes. Afterwards,…

High Energy Physics - Phenomenology · Physics 2017-08-15 Clifford Cheung

The modern image search system requires semantic understanding of image, and a key yet under-addressed problem is to learn a good metric for measuring the similarity between images. While deep metric learning has yielded impressive…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Jian Wang , Feng Zhou , Shilei Wen , Xiao Liu , Yuanqing Lin

Recent developments in theory and phenomenology relevant to deep inelastic lepton scattering are reviewed, concentrating on the following topics: Predicted behaviour of non-singlet and polarized structure functions at small $x$; Theoretical…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. R. Webber

The H1 Collaboration at HERA reports the first measurement of groomed event shape observables in deep inelastic electron-proton scattering (DIS) at $\sqrt{s}=319$ GeV, using data recorded between the years 2003 and 2007 with an integrated…

High Energy Physics - Experiment · Physics 2024-08-02 The H1 collaboration , V. Andreev , M. Arratia , A. Baghdasaryan , A. Baty , K. Begzsuren , A. Bolz , V. Boudry , G. Brandt , D. Britzger , A. Buniatyan , L. Bystritskaya , A. J. Campbell , K. B. Cantun Avila , K. Cerny , V. Chekelian , Z. Chen , J. G. Contreras , J. Cvach , J. B. Dainton , K. Daum , A. Deshpande , C. Diaconu , A. Drees , G. Eckerlin , S. Egli , E. Elsen , L. Favart , A. Fedotov , J. Feltesse , M. Fleischer , A. Fomenko , C. Gal , J. Gayler , L. Goerlich , N. Gogitidze , M. Gouzevitch , C. Grab , T. Greenshaw , G. Grindhammer , D. Haidt , R. C. W. Henderson , J. Hessler , J. Hladký , D. Hoffmann , R. Horisberger , T. Hreus , F. Huber , P. M. Jacobs , M. Jacquet , T. Janssen , A. W. Jung , J. Katzy , C. Kiesling , M. Klein , C. Kleinwort , H. T. Klest , R. Kogler , P. Kostka , J. Kretzschmar , D. Krücker , K. Krüger , M. P. J. Landon , W. Lange , P. Laycock , S. H. Lee , S. Levonian , W. Li , J. Lin , K. Lipka , B. List , J. List , B. Lobodzinski , O. R. Long , E. Malinovski , H. -U. Martyn , S. J. Maxfield , A. Mehta , A. B. Meyer , J. Meyer , S. Mikocki , V. M. Mikuni , M. M. Mondal , K. Müller , B. Nachman , Th. Naumann , P. R. Newman , C. Niebuhr , G. Nowak , J. E. Olsson , D. Ozerov , S. Park , C. Pascaud , G. D. Patel , E. Perez , A. Petrukhin , I. Picuric , D. Pitzl , R. Polifka , S. Preins , V. Radescu , N. Raicevic , T. Ravdandorj , D. Reichelt , P. Reimer , E. Rizvi , P. Robmann , R. Roosen , A. Rostovtsev , M. Rotaru , D. P. C. Sankey , M. Sauter , E. Sauvan , S. Schmitt , B. A. Schmookler , G. Schnell , L. Schoeffel , A. Schöning , S. Schumann , F. Sefkow , S. Shushkevich , Y. Soloviev , P. Sopicki , D. South , A. Specka , M. Steder , B. Stella , L. Stöcker , U. Straumann , C. Sun , T. Sykora , P. D. Thompson , F. Torales Acosta , D. Traynor , B. Tseepeldorj , Z. Tu , G. Tustin , A. Valkárová , C. Vallée , P. Van Mechelen , D. Wegener , E. Wünsch , J. Žáček , J. Zhang , Z. Zhang , R. Žlebčík , H. Zohrabyan , F. Zomer

The (electromagnetic or weak) current operator responsible for deep inelastic scattering (DIS) should be local and satisfy the well-known commutation relations with the representation operators of the Poincare group. The problem whether…

High Energy Physics - Phenomenology · Physics 2007-05-23 Felix M. Lev