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In this extended analysis using the ZEUS detector at HERA, the photoproduction of isolated photons together with a jet is measured for different ranges of the fractional photon energy, $x_\gamma^{\mathrm{meas}}$, contributing to the…

High Energy Physics - Experiment · Physics 2014-09-15 ZEUS Collaboration , H. Abramowicz , I. Abt , L. Adamczyk , M. Adamus , R. Aggarwal , S. Antonelli , O. Arslan , V. Aushev , Y. Aushev , O. Bachynska , A. N. Barakbaev , N. Bartosik , O. Behnke , J. Behr , U. Behrens , A. Bertolin , S. Bhadra , I. Bloch , V. Bokhonov , E. G. Boos , K. Borras , I. Brock , R. Brugnera , A. Bruni , B. Brzozowska , P. J. Bussey , A. Caldwell , M. Capua , C. D. Catterall , J. Chwastowski , J. Ciborowski , R. Ciesielski , A. M. Cooper-Sarkar , M. Corradi , F. Corriveau , G. D'Agostini , R. K. Dementiev , R. C. E. Devenish , G. Dolinska , V. Drugakov , S. Dusini , J. Ferrando , J. Figiel , B. Foster , G. Gach , A. Garfagnini , A. Geiser , A. Gizhko , L. K. Gladilin , O. Gogota , Yu. A. Golubkov , J. Grebenyuk , I. Gregor , G. Grzelak , O. Gueta , M. Guzik , W. Hain , G. Hartner , D. Hochman , R. Hori , Z. A. Ibrahim , Y. Iga , M. Ishitsuka , A. Iudin , F. Januschek , I. Kadenko , S. Kananov , T. Kanno , U. Karshon , M. Kaur , P. Kaur , L. A. Khein , D. Kisielewska , R. Klanner , U. Klein , N. Kondrashova , O. Kononenko , Ie. Korol , I. A. Korzhavina , A. Kotanski , U. Kotz , N. Kovalchuk , H. Kowalski , O. Kuprash , M. Kuze , B. B. Levchenko , A. Levy , V. Libov , S. Limentani , M. Lisovyi , E. Lobodzinska , W. Lohmann , B. Lohr , E. Lohrmann , A. Longhin , D. Lontkovskyi , O. Yu. Lukina , J. Maeda , I. Makarenko , J. Malka , J. F. Martin , S. Mergelmeyer , F. Mohamad Idris , K. Mujkic , V. Myronenko , K. Nagano , A. Nigro , T. Nobe , D. Notz , R. J. Nowak , K. Olkiewicz , Yu. Onishchuk , E. Paul , W. Perlanski , H. Perrey , N. S. Pokrovskiy , A. S. Proskuryakov , M. Przybycien , A. Raval , P. Roloff , I. Rubinsky , M. Ruspa , V. Samojlov , D. H. Saxon , M. Schioppa , W. B. Schmidke , U. Schneekloth , T. Schorner-Sadenius , J. Schwartz , L. M. Shcheglova , R. Shevchenko , O. Shkola , I. Singh , I. O. Skillicorn , W. Slominski , V. Sola , A. Solano , A. Spiridonov , L. Stanco , N. Stefaniuk , A. Stern , T. P. Stewart , P. Stopa , J. Sztuk-Dambietz , D. Szuba , J. Szuba , E. Tassi , T. Temiraliev , K. Tokushuku , J. Tomaszewska , A. Trofymov , V. Trusov , T. Tsurugai , M. Turcato , O. Turkot , T. Tymieniecka , A. Verbytskyi , O. Viazlo , R. Walczak , W. A. T. Wan Abdullah , K. Wichmann , M. Wing , G. Wolf , S. Yamada , Y. Yamazaki , N. Zakharchuk , A. F. Zarnecki , L. Zawiejski , O. Zenaiev , B. O. Zhautykov , N. Zhmak , D. S. Zotkin

Charged particles and photons have been measured in central Pb+Pb collisions at 158 A GeV in a common ($\eta$ - $\phi$)-phase space region in the WA98 experiment at the CERN SPS. The measured distributions have been analyzed %using the…

Nuclear Experiment · Physics 2015-05-27 WA98 Collaboration

Correlations between the arrival time and the energy of photons emitted in outbursts of astrophysical objects are predicted in quantum and classical gravity scenarios and can appear as well as a result of complex acceleration mechanisms…

Astrophysics · Physics 2009-06-23 Manel Martinez , Manel Errando

Infrared and visible image fusion has been a hot issue in image fusion. In this task, a fused image containing both the gradient and detailed texture information of visible images as well as the thermal radiation and highlighting targets of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-04 Zixiang Zhao , Shuang Xu , Chunxia Zhang , Junmin Liu , Jiangshe Zhang

The production of conditional quantum states and quantum operations based on the result of measurement is now seen as a key tool in quantum information and metrology. We propose a new type of photon number detector. It functions…

Quantum Physics · Physics 2009-11-10 A. M. Branczyk , Tobias J. Osborne , Alexei Gilchrist , T. C. Ralph

Intensity correlation measurements form the basis of many experiments based on spontaneous parametric down-conversion. In the most common situation, two single-photon avalanche diodes and coincidence electronics are used in the detection of…

Quantum Physics · Physics 2013-07-15 Daniel S. Tasca , Matthew P. Edgar , Frauke Izdebski , Gerald S. Buller , Miles J. Padgett

Bhati and Arvind [Phys. Lett. A, 127955 (2022)] recently argued that in a specially designed experiment the timing of photon detection events demonstrates photon presence at a location at which they are not present according to the weak…

The event-by-event fluctuations of suitably chosen observables in heavy ion collisions at SPS, RHIC and LHC can tell us about the thermodynamic properties of the hadronic system at freeze-out. By studying these fluctuations as a function of…

High Energy Physics - Phenomenology · Physics 2016-08-25 M. Stephanov , K. Rajagopal , E. Shuryak

In addition to being interesting in itself, the photon-photon interactions will be an inevitable background for the future electron-positron colliders. Thus to be able to quantify the potential of future electron-positron colliders it is…

High Energy Physics - Phenomenology · Physics 2015-10-21 Ilkka Helenius

We evaluate the vector and scalar form factor of the pion in the presence of virtual photons at next-to-leading order in two-flavor chiral perturbation theory. We also consider the scalar and tensor pion form factors of the energy-momentum…

High Energy Physics - Phenomenology · Physics 2009-10-31 Bastian Kubis , Ulf-G. Meißner

Jet tomography, the study of differential energy loss of hard scattered partons to infer the density profile of the medium, is greatly improved by precise knowledge of the initial energy of the hard probe. As photons are not strongly…

Nuclear Experiment · Physics 2008-11-26 Matthew Nguyen

TRION is a sub-mm spatial resolution fast neutron imaging detector, which employs an integrative optical time-of-flight technique. The detector was developed for fast neutron resonance radiography, a method capable of detecting a broad…

Instrumentation and Detectors · Physics 2009-02-26 D. Vartsky , G. Feldman , I. Mor , M. B. Goldberg , D. Bar , V. Dangendorf

As a growing number of problems involve variables that are random objects, the development of models for such data has become increasingly important. This paper introduces a novel varying-coefficient Fr\'echet regression model that extends…

Methodology · Statistics 2025-09-16 Yanzhao Wang , Jianqiang Zhang , Wangli Xu

We study the production of jet events containing large rapidity gaps in particle colliders due to the resolved photon mechanism. In particular, we analize these events at DESY HERA and future $e^+e^-$ linear colliders, including the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Hung Jung Lu

A fundamental challenge in observational causal inference is that assumptions about unconfoundedness are not testable from data. Assessing sensitivity to such assumptions is therefore important in practice. Unfortunately, some existing…

Methodology · Statistics 2019-01-15 Alexander Franks , Alexander D'Amour , Avi Feller

We show that the rising total photoproduction cross section recently observed at HERA is entirely consistant with the impact-picture in the theory of expanding protons which was proposed more than twenty years ago. More accurate data, which…

High Energy Physics - Phenomenology · Physics 2009-10-28 C. Bourrely , J. Soffer , Tai Tsun Wu

In this work, we derive a generalized modified Friedmann equation based on an entropy-area relation that incorporates established modifications, such as volumetric, linear, and logarithmic terms, in addition to novel entropic modifications…

General Relativity and Quantum Cosmology · Physics 2024-12-17 Javier Chagoya , I. Díaz-Saldaña , Mario H. Amante , J. C. López-Domínguez , M. Sabido

Ghost imaging with thermal fermions is calculated based on two-particle interference in Feynman's path integral theory. It is found that ghost imaging with thermal fermions can be simulated by ghost imaging with thermal bosons and classical…

Quantum Physics · Physics 2017-03-01 Jianbin Liu , Yu Zhou , Huaibin Zheng , Hui Chen , Fu-li Li , Zhuo Xu

The accuracy of measuring the total energy of the spectators in the FHCal calorimeter, depending on the fluctuations in the number of nucleons and the hadron shower is obtained. It is shown that, from the point of view of statistics, the…

High Energy Physics - Phenomenology · Physics 2021-04-01 R. M. Djilkibaev

Direct photon production is an important observable in heavy ion collisions as photons are penetrating and therefore largely insensetive to final state effects that lead to jet quenching. Measurements of the fragmentation component to…

Nuclear Experiment · Physics 2008-11-26 Ali Hanks