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We calculate for the first time cross sections for single and central diffractive as well as exclusive diffractive production of dilepton pairs in proton-proton collisions. Several differential distributions are shown. The inclusive…

High Energy Physics - Phenomenology · Physics 2011-08-04 Gabriela Kubasiak , Antoni Szczurek

We studied the $ep\rightarrow ep+2jets$ diffractive cross section with ZEUS phase space. Neglecting the $t$-channel momentum in the Born and gluon dipole impact factors, we calculated the corresponding contributions to the cross section…

High Energy Physics - Phenomenology · Physics 2019-10-23 R. Boussarie , A. V. Grabovsky , L. Szymanowski , S. Wallon

Measurements are presented of diffractive open charm production at HERA. The event topology is given by ep -> eX Y where the system X contains at least one charmed hadron and is well separated by a large rapidity gap from a leading low-mass…

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

We demonstrate that hard dijet production via coherent inelastic diffraction is a promising channel for probing gluon saturation at the Electron-Ion Collider. By $inelastic$ diffraction we mean a process in which the two hard jets - a…

High Energy Physics - Phenomenology · Physics 2022-06-01 E. Iancu , A. H. Mueller , D. N. Triantafyllopoulos

In molecular photofragmentation processes by soft X-rays, a number of ionic fragments can be produced, each having a different abundance and correlation with the emitted electron kinetic energy. For investigating these fragmentation…

Atomic Physics · Physics 2007-05-23 G. Pruemper , K. Ueda

Dielectrons probe a wide range of phenomena in heavy-ion collisions. These include light- and heavy-flavour meson production, thermal radiation and coherent photo-production. The latter process is distinguished by dielectron production at…

Nuclear Experiment · Physics 2019-11-13 Sebastian Lehner

This paper deals with the estimation of rare event probabilities using importance sampling (IS), where an optimal proposal distribution is computed with the cross-entropy (CE) method. Although, IS optimized with the CE method leads to an…

Computation · Statistics 2020-02-05 Patrick Héas

In this work, we provide a comprehensive set of differential cross-section distributions for photon + di-jet production in proton-proton collisions with next-to-next-to-leading order precision in massless QCD. The event selection…

High Energy Physics - Phenomenology · Physics 2023-11-10 Simon Badger , Michal Czakon , Heribertus Bayu Hartanto , Ryan Moodie , Tiziano Peraro , Rene Poncelet , Simone Zoia

Dijet cross sections as functions of several jet observables are measured in photoproduction using the H1 detector at HERA. The data sample comprises e^+p data with an integrated luminosity of 34.9 pb^(-1). Jets are selected using the…

High Energy Physics - Experiment · Physics 2009-01-07 H1 Collaboration , C Adloff

We discuss a phenomenological model that describes results on diffractive pp and pbar-p cross sections and event final states up to the Fermilab Tevatron collider energy of 1.96 TeV and use it to make predictions for Large Hadron Collider…

High Energy Physics - Phenomenology · Physics 2011-01-04 Konstantin Goulianos

This paper proposes a computationally efficient methodology to predict the damage progression in solder contacts of electronic components using temperature-time curves. For this purpose, two machine learning algorithms, a Multilayer…

Machine Learning · Computer Science 2022-04-15 Stefan Muench , Darshankumar Bhat , Leonhard Heindel , Peter Hantschke , Mike Roellig , Markus Kaestner

A measurement is presented of single- and double-differential dijet cross sections in diffractive deep-inelastic $ep$ scattering at HERA using data collected by the H1 experiment corresponding to an integrated luminosity of 290 pb^{-1}. The…

High Energy Physics - Experiment · Physics 2014-12-04 H1 Collaboration

We consider the production of isolated prompt photons in hadronic collisions. We present a general discussion in QCD perturbation theory of the isolation criterion used by hadron collider experiments. The isolation criterion is implemented…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Catani , M. Fontannaz , J. Ph. Guillet , E. Pilon

Simulating detector responses is a crucial part of understanding the inner workings of particle collisions in the Large Hadron Collider at CERN. Such simulations are currently performed with statistical Monte Carlo methods, which are…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Patryk Będkowski , Jan Dubiński , Filip Szatkowski , Kamil Deja , Przemysław Rokita , Tomasz Trzciński

We present a Monte Carlo event generator specifically developed for the study of hadronic two-photon fusion events in two-photon scattering at electron-positron colliders. The code enables the generation of events with exact leading-order…

High Energy Physics - Phenomenology · Physics 2025-11-18 Max Lellmann , Igor Danilkin , Achim Denig , Jan Muskalla , Christoph F. Redmer , Xiu-Lei Ren , Marc Vanderhaeghen

The double and single differential cross-sections with respect to positron and electron energies as well as the total cross-section of triplet production in the laboratory frame are calculated numerically in order to develop a Monte Carlo…

Astrophysics · Physics 2009-10-31 V. Anguelov , S. Petrov , L. Gurdev , J. Kourtev

Causal Inference has wide applications in various areas such as E-commerce and precision medicine, and its performance heavily relies on the accurate estimation of the Individual Treatment Effect (ITE). Conventionally, ITE is predicted by…

Machine Learning · Computer Science 2023-10-23 Kailiang Zhong , Fengtong Xiao , Yan Ren , Yaorong Liang , Wenqing Yao , Xiaofeng Yang , Ling Cen

The process of exclusive elastic vector meson production in deep inelastic scattering is investigated within the dipole model framework supplemented by the small $x$ evolution. The dipole-proton amplitude is obtained from the nonlinear…

High Energy Physics - Phenomenology · Physics 2015-06-05 Jeffrey Berger , Anna M. Stasto

Event skeleton generation, aiming to induce an event schema skeleton graph with abstracted event nodes and their temporal relations from a set of event instance graphs, is a critical step in the temporal complex event schema induction task.…

Computation and Language · Computer Science 2023-05-30 Fangqi Zhu , Lin Zhang , Jun Gao , Bing Qin , Ruifeng Xu , Haiqin Yang

We study coherent diffractive photon and vector meson production in electron-proton and electron-nucleus collisions within the Color Glass Condensate effective field theory. We show that electron-photon and electron-vector meson azimuthal…

High Energy Physics - Phenomenology · Physics 2024-05-07 Heikki Mäntysaari , Kaushik Roy , Farid Salazar , Björn Schenke