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Fast interpolation-grid frameworks facilitate an efficient and flexible evaluation of higher-order predictions for any choice of parton distribution functions or value of the strong coupling $\alpha_s$. They constitute an essential tool for…

High Energy Physics - Phenomenology · Physics 2022-07-29 D. Britzger , A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , C. Gwenlan , A. Huss , J. Pires , K. Rabbertz , D. Savoiu , M. R. Sutton , J. Stark

Hard processes in diffractive deep-inelastic scattering can be described by a factorisation into parton-level subprocesses and diffractive parton distributions. In this framework, cross sections for inclusive dijet production in diffractive…

High Energy Physics - Phenomenology · Physics 2018-08-01 D. Britzger , J. Currie , T. Gehrmann , A. Huss , J. Niehues , R. Žlebčík

We present an updated set of {\tt SKMHS} diffractive parton distribution functions (PDFs). In addition to the diffractive deep-inelastic scattering (diffractive DIS) data sets, the recent diffractive dijet cross sections measurements by the…

High Energy Physics - Phenomenology · Physics 2023-06-14 Maral Salajegheh , Hamzeh Khanpour , Ulf-G. Meißner , Hadi Hashamipour , Maryam Soleymaninia

We perform the analysis of the existing inclusive deep inelastic scattering (DIS) data within NNLO QCD approximation. The parton distributions functions (PDFs) and the value of strong coupling constant $\alpha_{s}(M_Z)=0.1143\pm0.0013…

High Energy Physics - Phenomenology · Physics 2015-06-25 Alekhin Sergey

We present the first calculation of inclusive jet production in deep-inelastic scattering with approximate next-to-next-to-leading order (aNNLO) contributions, obtained from a unified threshold resummation formalism. The leading…

High Energy Physics - Phenomenology · Physics 2015-11-04 T. Biekötter , M. Klasen , G. Kramer

A first determination of the strong coupling $\alpha_s(m_Z)$ in next-to-next-to-leading order (NNLO) from inclusive jet and dijet production cross sections in deep-inelastic scattering at HERA is presented. Data collected by the H1…

High Energy Physics - Phenomenology · Physics 2017-05-10 Daniel Britzger

We briefly describe a new general algorithm for carrying out QCD calculations to next-to-leading order in perturbation theory. The algorithm can be used for computing arbitrary jet cross sections in arbitrary processes and can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefano Catani , Michael H. Seymour

Standard methods for higher-order calculations of QCD cross sections in hadron-induced collisions are time-consuming. The fastNLO project uses multi-dimensional interpolation techniques to convert the convolutions of perturbative…

High Energy Physics - Phenomenology · Physics 2012-08-20 Daniel Britzger , Klaus Rabbertz , Fred Stober , Markus Wobisch

Cross sections for inclusive dijet production in diffractive deep-inelastic scattering are calculated for the first time in next-to-next-to-leading order (NNLO) accuracy. These cross sections are compared to several HERA measurements…

High Energy Physics - Phenomenology · Physics 2017-10-11 Radek Žlebčík , Daniel Britzger , Jan Niehues , Thomas Gehrmann , James Currie , Alexander Huss

We present an interface between PineAPPL and Matrix, which allows fully differential cross sections to be calculated in the form of interpolation grids, accurate at next-to-next-to-leading order (NNLO) in QCD and next-to-leading order in…

High Energy Physics - Phenomenology · Physics 2026-05-29 S. Devoto , T. Jezo , S. Kallweit , C. Schwan

We have performed a QCD next-to-leading order (NLO) calculation for Deep Inelastic Scattering (DIS) retaining the full parton and hadron mass dependencies. We find that the gluon initiated contributions to DIS processes, such as charm…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. A. G. Aivazis , Wu-Ki Tung , Fredrick Olness

Hadronic jets in deeply inelastic electron-proton collisions are produced by the scattering of a parton from the proton with the virtual gauge boson mediating the interaction. The HERA experiments have performed precision measurements of…

High Energy Physics - Phenomenology · Physics 2020-11-03 James Currie , Thomas Gehrmann , Alexander Huss , Jan Niehues

The production of jets in charged current deep inelastic scattering (CC DIS) constitutes a class of observables that can be used to simultaneously test perturbative predictions for the strong and the electroweak sectors of the Standard…

High Energy Physics - Phenomenology · Physics 2018-11-21 J. Niehues , D. M. Walker

Modern analyses of experimental data from hadron colliders rely on theory predictions at high orders in perturbation theory and a variety of input settings. Interpolation grids facilitate an almost instant re-evaluation of theory…

High Energy Physics - Phenomenology · Physics 2025-01-24 Juan Cruz-Martinez , Alexander Huss , Christopher Schwan

A simultaneous NLO QCD fit of the parton density functions (PDFs) of the proton and of the strong coupling $\alpha_{S}(M_{Z})$ is presented. The analysis is based on combined H1 and ZEUS inclusive DIS cross section measurements together…

High Energy Physics - Experiment · Physics 2015-06-03 Guenter Grindhammer

Measurements are presented of differential dijet cross sections in diffractive photoproduction (Q^2<0.01 GeV^2) and deep-inelastic scattering processes (DIS, 4<Q^2<80 GeV^2). The event topology is given by ep-> e X Y, in which the system X,…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

The strong coupling constant $\alpha_s(M_Z)$ is determined from inclusive jet and dijet cross sections in neutral-current deep-inelastic $ep$ scattering (DIS) measured at HERA by the H1 collaboration using next-to-next-to-leading order…

High Energy Physics - Experiment · Physics 2021-06-17 H1 collaboration , V. Andreev , A. Baghdasaryan , K. Begzsuren , A. Belousov , V. Bertone , A. Bolz , V. Boudry , G. Brandt , V. Brisson , D. Britzger , A. Buniatyan , A. Bylinkin , L. Bystritskaya , A. J. Campbell , K. B. Cantun Avila , K. Cerny , V. Chekelian , J. G. Contreras , J. Cvach , J. Currie , J. B. Dainton , K. Daum , C. Diaconu , M. Dobre , V. Dodonov , G. Eckerlin , S. Egli , E. Elsen , L. Favart , A. Fedotov , J. Feltesse , M. Fleischer , A. Fomenko , E. Gabathuler , J. Gayler , T. Gehrmann , S. Ghazaryan , L. Goerlich , N. Gogitidze , M. Gouzevitch , C. Grab , A. Grebenyuk , T. Greenshaw , G. Grindhammer , C. Gwenlan , D. Haidt , R. C. W. Henderson , J. Hladky , D. Hoffmann , R. Horisberger , T. Hreus , F. Huber , A. Huss , M. Jacquet , X. Janssen , A. W. Jung , H. Jung , M. Kapichine , J. Katzy , C. Kiesling , M. Klein , C. Kleinwort , R. Kogler , P. Kostka , J. Kretzschmar , D. Krücker , K. Krüger , M. P. J. Landon , W. Lange , P. Laycock , A. Lebedev , S. Levonian , K. Lipka , B. List , J. List , B. Lobodzinski , E. Malinovski , H. -U. Martyn , S. J. Maxfield , A. Mehta , A. B. Meyer , H. Meyer , J. Meyer , S. Mikocki , A. Morozov , K. Müller , Th. Naumann , P. R. Newman , C. Niebuhr , J. Niehues , G. Nowak , J. E. Olsson , D. Ozerov , C. Pascaud , G. D. Patel , E. Perez , A. Petrukhin , I. Picuric , H. Pirumov , D. Pitzl , R. Plačakytė , R. Polifka , K. Rabbertz , V. Radescu , N. Raicevic , T. Ravdandorj , P. Reimer , E. Rizvi , P. Robmann , R. Roosen , A. Rostovtsev , M. Rotaru , D. Šálek , D. P. C. Sankey , M. Sauter , E. Sauvan , S. Schmitt , L. Schoeffel , A. Schöning , F. Sefkow , S. Shushkevich , Y. Soloviev , P. Sopicki , D. South , V. Spaskov , A. Specka , M. Steder , B. Stella , U. Straumann , M. R. Sutton , T. Sykora , P. D. Thompson , D. Traynor , P. Truöl , I. Tsakov , B. Tseepeldorj , A. Valkárová , C. Vallée , P. Van Mechelen , Y. Vazdik , D. Wegener , E. Wünsch , J. Žáček , Z. Zhang , R. Žlebčík , H. Zohrabyan , F. Zomer

The determination of theoretical error estimates and PDF/$\alpha_S$-fits require fast evaluations of differential cross sections for varied QCD input parameters. These include PDFs, the strong coupling constant $\alpha_S$ and the…

High Energy Physics - Phenomenology · Physics 2015-07-16 Enrico Bothmann , Marek Schönherr , Steffen Schumann

We present a method for very fast repeated computations of higher-order cross sections in hadron-induced processes for arbitrary parton density functions. A full implementation of the method for computations of jet cross sections in…

High Energy Physics - Phenomenology · Physics 2017-08-23 T. Kluge , K. Rabbertz , M. Wobisch

We present a Fortran 77/95 code capable of computing QCD corrections in deep inelastic scattering (DIS). The code uses the Projection-to-Born method to augment an existing $\mathcal{O}(\alpha_s^2)$ dijet DIS code, thereby obtaining…

High Energy Physics - Phenomenology · Physics 2024-07-31 Alexander Karlberg
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