Journal article
Measurement of isolated photons accompanied by jets in deep inelastic ep scattering
Physics letters. B, Vol.715(1-3), pp.88-97
08/29/2012
DOI: 10.1016/j.physletb.2012.07.031
Abstract
The production of isolated high-energy photons accompanied by jets has been measured in deep inelastic ep scattering with the ZEUS detector at HERA, using an integrated luminosity of 326 pb(-1). Measurements were made for exchanged photon virtualities Q(2), in the range 10 to 350 GeV2. The photons were measured in the transverse-energy and pseudorapidity ranges 4 < E-T(gamma) < 15 GeV and -0.7 < eta(gamma) < 0.9, and the jets were measured in the transverse-energy and pseudorapidity ranges 2.5 < E-T(jet) < 35 GeV and -15< eta(jet) < 1.8. Differential cross sections are presented as functions of these quantities. Perturbative QCD predictions give a reasonable description of the shape of the measured cross sections over most of the kinematic range but the absolute normalisation is typically in disagreement by 20-30%. (c) 2012 Elsevier B.V. All rights reserved.
Details
- Title: Subtitle
- Measurement of isolated photons accompanied by jets in deep inelastic ep scattering
- Creators
- H. Abramowicz - Tel Aviv UniversityI. Abt - Max Planck Institute for PhysicsL. Adamczyk - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandM. Adamus - National Centre for Nuclear ResearchR. Aggarwal - Panjab UniversityS. Antonelli - University of BolognaP. Antonioli - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. Antonov - Moscow Engn Phys Inst, Moscow 115409, RussiaM. Arneodo - Ist Nazl Fis Nucl, I-10125 Turin, ItalyO. Arslan - University of BonnV. Aushev - Institute for Nuclear ResearchY. Aushev - Taras Shevchenko National University of KyivO. Bachynska - Deutsches Elektronen-Synchrotron DESYA. Bamberger - University of FreiburgA. N. Barakbaev - Institute of Physics and TechnologyG. Barbagli - Florence (Netherlands)G. Bari - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyF. Barreiro - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainN. Bartosik - Deutsches Elektronen-Synchrotron DESYD. Bartsch - University of BonnM. Basile - University of FreiburgO. Behnke - Deutsches Elektronen-Synchrotron DESYJ. Behr - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyU. Behrens - Taras Shevchenko National University of KyivL. Bellagamba - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. Bertolin - Ist Nazl Fis Nucl, Padua, ItalyS. Bhadra - York Univ, Dept Phys, N York, ON M3J 1P3, CanadaM. Bindi - University of FreiburgC. Blohm - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyV. Bokhonov - Institute of Physics and TechnologyT. Bold - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandK. Bondarenko - Deutsches Elektronen-Synchrotron DESYE. G. Boos - AlmaK. Borras - Deutsches Elektronen-Synchrotron DESYD. Boscherini - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyD. Bot - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyI. Brock - Deutsches Elektronen-Synchrotron DESYE. Brownson - Univ Wisconsin, Dept Phys, Madison, WI 53706 USAR. Brugnera - Ist Nazl Fis Nucl, Padua, ItalyN. Bruemmer - The Ohio State UniversityA. Bruni - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyG. Bruni - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyB. Brzozowska - University of WarsawP. J. Bussey - University of GlasgowB. Bylsma - The Ohio State UniversityA. Caldwell - Max Planck Inst Phys & Astrophys, D-80805 Munich, GermanyM. Capua - University of FreiburgR. Carlin - Ist Nazl Fis Nucl, Padua, ItalyC. D. Catterall - York Univ, Dept Phys, N York, ON M3J 1P3, CanadaS. Chekanov - Argonne Natl Lab, Argonne, IL 60439 USAJ. Chwastowski - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandJ. Ciborowski - University of WarsawR. Ciesielski - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyL. Cifarelli - University of BolognaF. Cindolo - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. Contin - University of BolognaA. M. Cooper-Sarkar - University of FreiburgN. Coppola - Deutsches Elektronen-Synchrotron DESYM. Corradi - University of FreiburgF. Corriveau - McGill UniversityM. Costa - University of FreiburgG. D'Agostini - Ist Nazl Fis Nucl, Rome, ItalyF. Dal Corso - Ist Nazl Fis Nucl, Padua, ItalyJ. del Peso - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainR. K. Dementiev - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaS. De Pasquale - University of BolognaM. Derrick - University of FreiburgR. C. E. Devenish - University of OxfordD. Dobur - University of FreiburgB. A. Dolgoshein - Moscow Engn Phys Inst, Moscow 115409, RussiaG. Dolinska - Taras Shevchenko National University of KyivA. T. Doyle - University of GlasgowV. Drugakov - Institute of Physics and TechnologyL. S. Durkin - The Ohio State UniversityS. Dusini - Ist Nazl Fis Nucl, Padua, ItalyY. Eisenberg - Deutsches Elektronen-Synchrotron DESYP. F. Ermolov - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaA. Eskreys - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandS. Fang - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyS. Fazio - Ist Nazl Fis Nucl, Cosenza, ItalyJ. Ferrando - University of GlasgowM. I. Ferrero - Ist Nazl Fis Nucl, I-10125 Turin, ItalyJ. Figiel - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandM. Forrest - University of FreiburgB. Foster - University of OxfordG. Gach - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandA. Galas - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandE. Gallo - Florence (Netherlands)A. Garfagnini - Ist Nazl Fis Nucl, Padua, ItalyA. Geiser - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyI. Gialas - Deutsches Elektronen-Synchrotron DESYA. Gizhko - Taras Shevchenko National University of KyivL. K. Gladilin - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaD. Gladkov - Moscow Engn Phys Inst, Moscow 115409, RussiaC. Glasman - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainO. Gogota - Deutsches Elektronen-Synchrotron DESYYu. A. Golubkov - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaP. Goettlicher - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyI. Grabowska-Bold - Deutsches Elektronen-Synchrotron DESYJ. Grebenyuk - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyI. Gregor - Deutsches Elektronen-Synchrotron DESYG. Grigorescu - University of AmsterdamG. Grzelak - University of WarsawO. Gueta - Deutsches Elektronen-Synchrotron DESYM. Guzik - University of FreiburgC. Gwenlan - University of OxfordT. Haas - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyW. Hain - Panjab UniversityR. Hamatsu - Tokyo Metropolitan UniversityJ. C. Hart - Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, EnglandH. Hartmann - University of BonnG. Hartner - York Univ, Dept Phys, N York, ON M3J 1P3, CanadaE. Hilger - University of BonnD. Hochman - Weizmann Inst Sci, Dept Particle Phys & Astrophys, IL-76100 Rehovot, IsraelR. Hori - The University of TokyoA. Huettmann - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyZ. A. Ibrahim - University of MalayaY. Iga - Deutsches Elektronen-Synchrotron DESYR. Ingbir - Tel Aviv UniversityM. Ishitsuka - University of FreiburgH. -P. Jakob - University of BonnF. Januschek - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyT. W. Jones - UCL, Dept Phys & Astron, London, EnglandM. Juengst - University of BonnI. Kadenko - Taras Shevchenko National University of KyivB. Kahle - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyS. Kananov - Tel Aviv UniversityT. Kanno - Tokyo Institute of TechnologyU. Karshon - Taras Shevchenko National University of KyivF. Karstens - University of FreiburgI. I. Katkov - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyM. Kaur - University of FreiburgP. Kaur - Panjab UniversityA. Keramidas - University of AmsterdamL. A. Khein - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaJ. Y. Kim - Chonnam Natl Univ, Inst Universe & Elementary Particles, Kwangju, South KoreaD. Kisielewska - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandS. Kitamura - Tokyo Metropolitan UniversityR. Klanner - Univ Hamburg, Inst Expt Phys, Hamburg, GermanyU. Klein - Taras Shevchenko National University of KyivE. Koffeman - University of AmsterdamN. Kondrashova - Deutsches Elektronen-Synchrotron DESYO. Kononenko - Deutsches Elektronen-Synchrotron DESYP. Kooijman - University of AmsterdamIe Korol - Taras Shevchenko National University of KyivI. A. Korzhavina - Max Planck Institute for PhysicsA. Kotanski - Jagiellonian UniversityU. Koetz - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyH. Kowalski - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyO. Kuprash - Deutsches Elektronen-Synchrotron DESYM. Kuze - University of FreiburgA. Lee - Tokyo Institute of TechnologyB. B. Levchenko - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaA. Levy - Tel Aviv UniversityV. Libov - Institute of Physics and TechnologyS. Limentani - Ist Nazl Fis Nucl, Padua, ItalyT. Y. Ling - The Ohio State UniversityM. Lisovyi - University of FreiburgE. Lobodzinska - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyW. Lohmann - Panjab UniversityB. Loehr - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyE. Lohrmann - Universität HamburgK. R. Long - University of LondonA. Longhin - Ist Nazl Fis Nucl, Padua, ItalyD. Lontkovskyi - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyO. Yu Lukina - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaJ. Maeda - Tokyo Institute of TechnologyS. Magill - Argonne Natl Lab, Argonne, IL 60439 USAI. Makarenko - Deutsches Elektronen-Synchrotron DESYJ. Malka - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyR. Mankel - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyA. Margotti - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyG. Marini - Ist Nazl Fis Nucl, Rome, ItalyJ. F. Martin - University of TorontoA. Mastroberardino - Ist Nazl Fis Nucl, Cosenza, ItalyM. C. K. Mattingly - Andrews UniversityI. -A. Melzer-Pellmann - Max Planck Institute for PhysicsS. Mergelmeyer - University of BonnS. Miglioranzi - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyF. Mohamad Idris - University of MalayaV. Monaco - Institute of Physics and TechnologyA. Montanari - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyJ. D. Morris - University of BristolK. Mujkic - Deutsches Elektronen-Synchrotron DESYB. Musgrave - Argonne Natl Lab, Argonne, IL 60439 USAK. Nagano - Deutsches Elektronen-Synchrotron DESYT. Namsoo - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyR. Nania - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. Nigro - Ist Nazl Fis Nucl, Rome, ItalyY. Ning - Columbia UniversityT. Nobe - Tokyo Institute of TechnologyD. Notz - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyR. J. Nowak - University of WarsawA. E. Nuncio-Quiroz - Institute of Physics and TechnologyB. Y. Oh - Pennsylvania State UniversityN. Okazaki - Deutsches Elektronen-Synchrotron DESYK. Olkiewicz - Deutsches Elektronen-Synchrotron DESYYu Onishchuk - Taras Shevchenko National University of KyivK. Papageorgiu - Deutsches Elektronen-Synchrotron DESYA. Parenti - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyE. Paul - University of BonnJ. M. Pawlak - University of WarsawB. Pawlik - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandP. G. Pelfer - University of FlorenceA. Pellegrino - University of AmsterdamW. Perlanski - Panjab UniversityH. Perrey - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyK. Piotrzkowski - Deutsches Elektronen-Synchrotron DESYP. Plucinski - Natl Ctr Nucl Res, Warsaw, PolandN. S. Pokrovskiy - Deutsches Elektronen-Synchrotron DESYA. Polini - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. S. Proskuryakov - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaM. Przybycien - University of FreiburgA. Raval - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyD. D. Reeder - Univ Wisconsin, Dept Phys, Madison, WI 53706 USAB. Reisert - Max Planck Inst Phys & Astrophys, D-80805 Munich, GermanyZ. Ren - Columbia UniversityJ. Repond - Argonne Natl Lab, Argonne, IL 60439 USAY. D. Ri - Tokyo Metropolitan UniversityA. Robertson - University of OxfordP. Roloff - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyI. Rubinsky - Deutsches Elektronen-Synchrotron DESYM. Ruspa - University of FreiburgR. Sacchi - Ist Nazl Fis Nucl, I-10125 Turin, ItalyU. Samson - Taras Shevchenko National University of KyivG. Sartorelli - University of BolognaA. A. Savin - Univ Wisconsin, Dept Phys, Madison, WI 53706 USAD. H. Saxon - University of GlasgowM. Schioppa - University of FreiburgS. Schlenstedt - Deutsch Elekt Synchrotron DESY, Zeuthen, GermanyP. Schleper - Universität HamburgW. B. Schmidke - Max Planck Inst Phys & Astrophys, D-80805 Munich, GermanyU. Schneekloth - Taras Shevchenko National University of KyivV. Schoenberg - University of BonnT. Schoerner-Sadenius - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyJ. Schwartz - McGill UniversityF. Sciulli - Columbia UniversityL. M. Shcheglova - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaR. Shehzadi - University of BonnS. Shimizu - The University of TokyoI. Singh - Deutsches Elektronen-Synchrotron DESYI. O. Skillicorn - University of GlasgowW. Slominski - Jagiellonian UniversityW. H. Smith - Univ Wisconsin, Dept Phys, Madison, WI 53706 USAV. Sola - Institute of Physics and TechnologyA. Solano - Ist Nazl Fis Nucl, I-10125 Turin, ItalyD. Son - Kyungpook Natl Univ, Ctr High Energy Phys, Taegu, South KoreaV. Sosnovtsev - Institute of Physics and TechnologyA. Spiridonov - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyH. Stadie - Universität HamburgL. Stanco - Ist Nazl Fis Nucl, Padua, ItalyN. Stefaniuk - Deutsches Elektronen-Synchrotron DESYA. Stern - Tel Aviv UniversityT. P. Stewart - University of TorontoA. Stifutkin - Moscow Engn Phys Inst, Moscow 115409, RussiaP. Stopa - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandS. Suchkov - Moscow Engn Phys Inst, Moscow 115409, RussiaG. Susinno - Ist Nazl Fis Nucl, Cosenza, ItalyL. Suszycki - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandJ. Sztuk-Dambietz - Universität HamburgD. Szuba - Universität HamburgJ. Szuba - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyA. D. Tapper - National Centre for Nuclear ResearchE. Tassi - Ist Nazl Fis Nucl, Cosenza, ItalyJ. Terron - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainT. Theedt - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyH. Tiecke - University of AmsterdamK. Tokushuku - Deutsches Elektronen-Synchrotron DESYJ. Tomaszewska - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyV. Trusov - Institute of Physics and TechnologyT. Tsurugai - Ferris UniversityM. Turcato - University of FreiburgO. Turkot - Deutsches Elektronen-Synchrotron DESYT. Tymieniecka - Natl Ctr Nucl Res, Warsaw, PolandM. Vazquez - University of FreiburgA. Verbytskyi - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyO. Viazlo - Deutsches Elektronen-Synchrotron DESYN. N. Vlasov - University of FreiburgR. Walczak - University of OxfordW. A. T. Wan Abdullah - University of MalayaJ. J. Whitmore - Pennsylvania State UniversityK. Wichmann - Deutsches Elektronen-Synchrotron DESYL. Wiggers - University of AmsterdamM. Wing - University of FreiburgM. Wlasenko - University of FreiburgG. Wolf - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyH. Wolfe - Univ Wisconsin, Dept Phys, Madison, WI 53706 USAK. Wrona - Deutsches Elektronen-Synchrotron DESYA. G. Yaguees-Molina - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyS. Yamada - KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki, JapanY. Yamazaki - Deutsches Elektronen-Synchrotron DESYR. Yoshida - Argonne Natl Lab, Argonne, IL 60439 USAC. Youngman - Deutsch Elekt Synchrotron DESY, Hamburg, GermanyO. Zabiegalov - Deutsches Elektronen-Synchrotron DESYA. F. Zarnecki - University of WarsawL. Zawiejski - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandO. Zenaiev - Deutsches Elektronen-Synchrotron DESYW. Zeuner - Panjab UniversityB. O. Zhautykov - AlmaN. Zhmak - Deutsches Elektronen-Synchrotron DESYA. Zichichi - University of BolognaZ. Zolkapli - University of MalayaD. S. Zotkin - Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, RussiaZEUS Collaboration
- Resource Type
- Journal article
- Publication Details
- Physics letters. B, Vol.715(1-3), pp.88-97
- DOI
- 10.1016/j.physletb.2012.07.031
- ISSN
- 0370-2693
- eISSN
- 1873-2445
- Publisher
- Elsevier
- Number of pages
- 10
- Grant note
- ST/H001026/1 / Science and Technology Facilities Council; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) ST/H001026/1 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC)
- Language
- English
- Date published
- 08/29/2012
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984627185302771
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