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Related papers: Jets in Photon-Photon Collisions

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We study jet production in photon-photon reactions at the next-to-leading logarithm accuracy. Special emphasis is placed on the discussion of the theoretical uncertainties and on the role of the hadronic component of the photon structure…

High Energy Physics - Phenomenology · Physics 2011-07-19 P. Aurenche , J. -Ph. Guillet , M. Fontannaz , Y. Shimizu , J. Fujimoto , K. Kato

We consider the production of jets in photon-photon collisions beyond the leading logarithm approximation. Theoretical uncertainties as well as uncertainties due to the virtuality of the initial photons are discussed in detail. The…

High Energy Physics - Phenomenology · Physics 2009-09-25 P. Aurenche , J. -Ph. Guillet M. Fontannaz Y. Shimizu , J. Fujimoto K. Kato

We study the production of a large-pT photon in association with a jet in proton-proton collisions. We examine the sensitivity of the jet rapidity distribution to the gluon distribution function in the proton. We then assess the sensitivity…

High Energy Physics - Phenomenology · Physics 2009-07-09 Z. Belghobsi , M. Fontannaz , J. -Ph. Guillet , G. Heinrich , E. Pilon , M. Werlen

The production of photons accompanied by jets in large-Q2 deep inelastic ep scattering is calculated in next-to-leading order. We describe how to consistently include contributions from quark-to-photon fragmentation and give numerical…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Gehrmann-De Ridder , G. Kramer , H. Spiesberger

We present next-to-leading order QCD predictions for single-inclusive and di-jet observables, relevant to the collisions of two on-shell photons, obtained with a recently completed computation based upon the subtraction method. We compare…

High Energy Physics - Phenomenology · Physics 2009-11-10 L. Bertora

The inclusive one- and two-jet cross-sections are measured in collisions of quasi-real photons at e+e- centre-of-mass energies of 130 and 136 GeV using the OPAL detector at LEP. Jets are reconstructed with a cone jet finding algorithm. The…

High Energy Physics - Experiment · Physics 2007-05-23 Stefan Soldner-Rembold

I discuss the parton distributions in the photon and the constraints coming from the jet production in photoproduction and in photon-photon collisions.

High Energy Physics - Phenomenology · Physics 2009-09-25 Michel Fontannaz

We have calculated inclusive two-jet production in photon-photon collisions superimposing direct, single-resolved and double-resolved cross sections for center-of-mass energies of TRISTAN and LEP1.5. All three contributions are calculated…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Kleinwort , G. Kramer

The present theoretical knowledge about photons and hard photoproduction processes, i.e. the production of jets, light and heavy hadrons, quarkonia, and prompt photons in photon-photon and photon-hadron collisions, is reviewed. Virtual and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Klasen

We expose the role of collisional energy loss on high $p_T$ photon data measured by PHENIX collaboration by calculating photon yield in jet plasma interaction. The phase space distribution of the participating jet is dynamically evolved by…

High Energy Physics - Phenomenology · Physics 2015-03-13 Lusaka Bhattacharya , Pradip Roy

A study of di-jet measurements at a future photon collider is reported. The sensitivity to extract the gluon distribution is discussed. The results are compared with calculations for a linear e+e- collider.

High Energy Physics - Phenomenology · Physics 2008-11-26 Thorsten Wengler , Albert De Roeck

We compute cross sections for events where two pairs of partons scatter off each other in the same $\gamma\gamma$ reaction, giving rise to at least 3 high--{\mbox{$p_T^{}$}} jets. Unlike in {\mbox{$p \bar p$}}\ collisions we find the signal…

High Energy Physics - Phenomenology · Physics 2009-10-28 Manuel Drees , Tao Han

The production of jets is studied in collisions of virtual photons, gamma*-p and gamma*-gamma*, specifically for applications at HERA and LEP2. Photon flux factors are convoluted with matrix elements involving either direct or resolved…

High Energy Physics - Phenomenology · Physics 2011-07-19 Christer Friberg

The production of jets is studied in collisions of virtual photons, gamma*-p and gamma*-gamma*, specifically for applications at HERA and LEP2. Photon flux factors are convoluted with matrix elements involving either direct or resolved…

High Energy Physics - Phenomenology · Physics 2011-02-15 Christer Friberg , Torbjörn Sjöstrand

Jet production in proton-proton collisions is one of the main phenomenological predictions of QCD. The ATLAS and CMS Collaborations have performed measurements of several jet observables at the LHC and compared their results to theoretical…

High Energy Physics - Experiment · Physics 2019-08-14 Marco Peruzzi

Jet production cross-sections in polarized proton-proton and electron-proton collisions are studied to next-to-leading order accuracy. Phenomenological results are presented for RHIC and HERA kinematics.

High Energy Physics - Phenomenology · Physics 2009-10-31 Daniel de Florian

The production of a hard and isolated photon accompanied by one or two jets in large-Q2 deep inelastic ep scattering is calculated at next-to-leading order. We include consistently contributions from quark-to-photon fragmentation and study…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Gehrmann-De Ridder , G. Kramer , H. Spiesberger

We discuss the theory of jet events in high-energy photon-proton interactions using a model which gives a good description of the data available on total inelastic $\gamma p$ cross sections up to $\sqrt{s}$=210 GeV. We show how to calculate…

High Energy Physics - Phenomenology · Physics 2014-11-17 L. Durand , K. Honjo , R. Gandhi , I. Sarcevic , H. Pi

The production of jets is studied in collisions of virtual photons, specifically for applications at HERA. Photon flux factors are convoluted with matrix elements involving either direct or resolved photons and, for the latter, with parton…

High Energy Physics - Phenomenology · Physics 2007-05-23 Christer Friberg , Torbjörn Sjöstrand

The theoretical developments in the study of electromagnetic radiation in relativistic heavy-ion collisions are reviewed. The recent progress in the rates for photon and lepton pair production is discussed. Together with the improvements in…

Nuclear Theory · Physics 2015-11-25 Chun Shen
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