Journal article
Measurement of high-Q (2) charged current deep inelastic scattering cross sections with a longitudinally polarised positron beam at HERA
The European physical journal. C, Particles and fields, Vol.70(4), pp.945-963
12/01/2010
DOI: 10.1140/epjc/s10052-010-1498-9
Abstract
Measurements of the cross sections for charged current deep inelastic scattering in e (+) p collisions with a longitudinally polarised positron beam are presented. The measurements are based on a data sample with an integrated luminosity of 132 pb(-1) collected with the ZEUS detector at HERA at a centre-of-mass energy of 318 GeV. The total cross section is presented at positive and negative values of the longitudinal polarisation of the positron beams. The single-differential cross-sections d sigma/dQ (2), d sigma/dx and d sigma/dy are presented for Q (2)> 200 GeV2. The reduced cross-section is presented in the kinematic range 200 < Q (2)< 60 000 GeV2 and 0.006 < x < 0.562. The measurements agree well with the predictions of the Standard Model. The results are used to determine a lower limit on the mass of a hypothetical right-handed W boson.
Details
- Title: Subtitle
- Measurement of high-Q (2) charged current deep inelastic scattering cross sections with a longitudinally polarised positron beam at HERA
- Creators
- H. Abramowicz - Tel Aviv UniversityI. Abt - Max Planck Inst Phys & Astrophys, D-80805 Munich, GermanyL. Adamczyk - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandM. Adamus - Inst Nucl Studies, PL-00681 Warsaw, PolandR. Aggarwal - Panjab UniversityS. Antonelli - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyP. Antonioli - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. Antonov - Moscow Engn Phys Inst, Moscow 115409, RussiaM. Arneodo - Univ Piemonte Orientale, Novara, ItalyV. Aushev - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineY. Aushev - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineO. Bachynska - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyA. Bamberger - University of FreiburgA. N. Barakbaev - AlmaG. Barbagli - Florence (Netherlands)G. Bari - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyF. Barreiro - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainD. Bartsch - University of BonnM. Basile - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyO. Behnke - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyJ. Behr - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyU. Behrens - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyL. 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 - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyC. Blohm - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyV. Bokhonov - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineT. Bold - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandE. G. Boos - AlmaK. Borras - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyD. Boscherini - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyD. Bot - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyS. K. Boutle - UCL, Dept Phys & Astron, London, EnglandI. Brock - University of BonnE. Brownson - Univ Wisconsin, Dept Phys, Madison, WI 53706 USAR. Brugnera - University of PaduaN. Bruemmer - The Ohio State UniversityA. Bruni - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyG. Bruni - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyB. Brzozowska - Warsaw Univ, Inst Expt Phys, Warsaw, PolandP. J. Bussey - University of GlasgowJ. M. Butterworth - UCL, Dept Phys & Astron, London, EnglandB. Bylsma - The Ohio State UniversityA. Caldwell - Max Planck Inst Phys & Astrophys, D-80805 Munich, GermanyM. Capua - Univ Calabria, Dept Phys, I-87036 Cosenza, ItalyR. Carlin - University of PaduaC. 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 - Warsaw Univ, Inst Expt Phys, Warsaw, PolandR. Ciesielski - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyL. Cifarelli - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyF. Cindolo - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. Contin - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. M. Cooper-Sarkar - University of OxfordN. Coppola - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyM. Corradi - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyF. Corriveau - McGill UniversityM. Costa - University of TurinG. D'Agostini - Univ Roma La Sapienza, Dipartimento Fis, I-00185 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, Inst Nucl Phys, Moscow, RussiaS. De PasqualeM. Derrick - Argonne Natl Lab, Argonne, IL 60439 USAR. C. E. Devenish - University of OxfordD. Dobur - University of FreiburgB. A. Dolgoshein - Moscow Engn Phys Inst, Moscow 115409, RussiaG. Dolinska - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineA. T. Doyle - University of GlasgowV. Drugakov - Deutsch Elektronen Synchrotron DESY, Zeuthen, GermanyL. S. Durkin - The Ohio State UniversityS. Dusini - Ist Nazl Fis Nucl, Padua, ItalyY. Eisenberg - Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, IsraelP. F. Ermolov - Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, RussiaA. Eskreys - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandS. Fang - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyS. Fazio - Univ Calabria, Dept Phys, I-87036 Cosenza, ItalyJ. Ferrando - University of OxfordM. I. Ferrero - University of TurinJ. Figiel - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandM. Forrest - University of GlasgowB. Foster - University of OxfordS. Fourletov - University of TorontoG. 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 - University of PaduaA. Geiser - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyI. Gialas - University of the AegeanL. K. Gladilin - Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, RussiaD. Gladkov - Moscow Engn Phys Inst, Moscow 115409, RussiaC. Glasman - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainO. Gogota - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineYu. A. Golubkov - Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, RussiaP. Goettlicher - Ist Nazl Fis Nucl, I-10125 Turin, ItalyI. Grabowska-Bold - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandJ. Grebenyuk - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyI. Gregor - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyG. Grigorescu - National Institute for Subatomic PhysicsG. Grzelak - Warsaw Univ, Inst Expt Phys, Warsaw, PolandC. Gwenlan - University of OxfordT. Haas - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyW. Hain - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyR. 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, IL-76100 Rehovot, IsraelR. Hori - The University of TokyoK. Horton - University of OxfordA. Huettmann - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyG. Iacobucci - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyZ. A. Ibrahim - University of MalayaY. Iga - Polytech Univ, Sagamihara, Kanagawa, JapanR. Ingbir - Tel Aviv UniversityM. Ishitsuka - Tokyo Institute of TechnologyH. -P. Jakob - University of BonnF. Januschek - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyM. Jimenez - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainT. W. Jones - UCL, Dept Phys & Astron, London, EnglandM. Juengst - University of BonnI. Kadenko - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineB. Kahle - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyB. Kamaluddin - University of MalayaS. Kananov - Tel Aviv UniversityT. Kanno - Tokyo Institute of TechnologyU. Karshon - Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, IsraelF. Karstens - University of FreiburgI. I. Katkov - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyM. Kaur - Panjab UniversityP. Kaur - Panjab UniversityA. Keramidas - National Institute for Subatomic PhysicsL. A. Khein - Moscow MV Lomonosov State Univ, 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 - Universität HamburgU. Klein - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyE. Koffeman - National Institute for Subatomic PhysicsP. Kooijman - National Institute for Subatomic PhysicsIe Korol - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineI. A. Korzhavina - Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, RussiaA. Kotanski - Jagiellonian UniversityU. Koetz - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyH. Kowalski - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyP. Kulinski - Warsaw Univ, Inst Expt Phys, Warsaw, PolandO. Kuprash - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineM. Kuze - Tokyo Institute of TechnologyA. Lee - The Ohio State UniversityB. B. Levchenko - Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, RussiaA. Levy - Tel Aviv UniversityV. Libov - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyS. Limentani - University of PaduaT. Y. Ling - The Ohio State UniversityM. Lisovyi - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyE. Lobodzinska - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyW. Lohmann - Deutsch Elektronen Synchrotron DESY, Zeuthen, GermanyB. Loehr - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyE. Lohrmann - Universität HamburgJ. H. Loizides - UCL, Dept Phys & Astron, London, EnglandK. R. Long - University of LondonA. Longhin - Ist Nazl Fis Nucl, Padua, ItalyD. Lontkovskyi - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineO. Yu Lukina - Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, RussiaP. Luzniak - Warsaw Univ, Inst Expt Phys, Warsaw, PolandJ. Maeda - Tokyo Institute of TechnologyS. Magill - Argonne Natl Lab, Argonne, IL 60439 USAI. Makarenko - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineJ. Malka - Warsaw Univ, Inst Expt Phys, Warsaw, PolandR. Mankel - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyA. Margotti - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyG. Marini - Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, ItalyJ. F. Martin - University of TorontoA. Mastroberardino - University of CalabriaT. Matsumoto - Natl Lab High Energy Phys, KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 305, JapanM. C. K. Mattingly - Andrews UniversityI. -A. Melzer-Pellmann - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyS. Miglioranzi - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyF. Mohamad Idris - University of MalayaV. Monaco - University of TurinA. Montanari - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyJ. D. Morris - University of BristolB. Musgrave - Argonne Natl Lab, Argonne, IL 60439 USAK. Nagano - Natl Lab High Energy Phys, KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 305, JapanT. Namsoo - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyR. Nania - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyD. Nicholass - Argonne Natl Lab, Argonne, IL 60439 USAA. Nigro - Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, ItalyY. Ning - Columbia UniversityU. Noor - York Univ, Dept Phys, N York, ON M3J 1P3, CanadaD. Notz - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyR. J. Nowak - Warsaw Univ, Inst Expt Phys, Warsaw, PolandA. E. Nuncio-Quiroz - University of BonnB. Y. Oh - Pennsylvania State UniversityN. Okazaki - The University of TokyoK. Oliver - University of OxfordK. Olkiewicz - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandYu Onishchuk - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineO. Ota - Tokyo Metropolitan UniversityK. Papageorgiu - University of the AegeanA. Parenti - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyE. Paul - University of BonnJ. M. Pawlak - Warsaw Univ, Inst Expt Phys, Warsaw, PolandB. Pawlik - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandP. G. Pelfer - University of FlorenceA. Pellegrino - National Institute for Subatomic PhysicsW. Perlanski - Warsaw Univ, Inst Expt Phys, Warsaw, PolandH. Perrey - Universität HamburgK. Piotrzkowski - Pontifícia Universidade Católica de São PauloP. Plucinski - Inst Nucl Studies, PL-00681 Warsaw, PolandN. S. Pokrovskiy - AlmaA. Polini - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. S. Proskuryakov - Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, RussiaM. Przybycien - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandA. Raval - Deutsch Elektronen 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 Elektronen Synchrotron DESY, Hamburg, GermanyE. Ron - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainI. Rubinsky - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyM. Ruspa - Univ Piemonte Orientale, Novara, ItalyR. Sacchi - University of TurinA. Salii - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineU. Samson - University of BonnG. Sartorelli - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyA. A. Savin - Univ Wisconsin, Dept Phys, Madison, WI 53706 USAD. H. Saxon - University of GlasgowM. Schioppa - University of CalabriaS. Schlenstedt - Deutsch Elektronen Synchrotron DESY, Zeuthen, GermanyP. Schleper - Universität HamburgW. B. Schmidke - Max Planck Inst Phys & Astrophys, D-80805 Munich, GermanyU. Schneekloth - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyV. Schoenberg - University of BonnT. Schoerner-Sadenius - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyJ. Schwartz - McGill UniversityF. Sciulli - Columbia UniversityL. M. Shcheglova - Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, RussiaR. Shehzadi - University of BonnS. Shimizu - The University of TokyoI. Singh - Panjab UniversityI. O. Skillicorn - University of GlasgowW. Slominski - Jagiellonian UniversityW. H. Smith - Univ Wisconsin, Dept Phys, Madison, WI 53706 USAV. Sola - University of TurinA. Solano - University of TurinD. Son - Kyungpook Natl Univ, Ctr High Energy Phys, Taegu, South KoreaV. Sosnovtsev - Moscow Engn Phys Inst, Moscow 115409, RussiaA. Spiridonov - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyH. Stadie - Universität HamburgL. Stanco - Ist Nazl Fis Nucl, Padua, ItalyA. 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 - University of CalabriaL. Suszycki - AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, PolandJ. Sztuk-Dambietz - Universität HamburgD. Szuba - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyJ. Szuba - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyA. D. Tapper - University of LondonE. Tassi - Univ Calabria, Dept Phys, I-87036 Cosenza, ItalyJ. Terron - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainT. Theedt - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyH. Tiecke - National Institute for Subatomic PhysicsK. Tokushuku - Natl Lab High Energy Phys, KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 305, JapanO. Tomalak - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineJ. Tomaszewska - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyT. Tsurugai - Ferris UniversityM. Turcato - Universität HamburgT. Tymieniecka - Inst Nucl Studies, PL-00681 Warsaw, PolandC. Uribe-Estrada - Univ Autonoma Madrid, Dept Fis Teor, Madrid, SpainM. Vazquez - National Institute for Subatomic PhysicsA. Verbytskyi - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyO. Viazlo - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineN. N. Vlasov - University of FreiburgO. Volynets - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineR. Walczak - University of OxfordW. A. T. Wan Abdullah - University of MalayaJ. J. Whitmore - Pennsylvania State UniversityJ. Whyte - York Univ, Dept Phys, N York, ON M3J 1P3, CanadaL. Wiggers - National Institute for Subatomic PhysicsM. Wing - UCL, Dept Phys & Astron, London, EnglandM. Wlasenko - University of BonnG. Wolf - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyH. Wolfe - Univ Wisconsin, Dept Phys, Madison, WI 53706 USAK. Wrona - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyA. G. Yaguees-Molina - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyS. Yamada - Natl Lab High Energy Phys, KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 305, JapanY. Yamazaki - Natl Lab High Energy Phys, KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 305, JapanR. Yoshida - Argonne Natl Lab, Argonne, IL 60439 USAC. Youngman - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyA. F. Zarnecki - Warsaw Univ, Inst Expt Phys, Warsaw, PolandL. Zawiejski - Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, PolandO. Zenaiev - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineW. Zeuner - Deutsch Elektronen Synchrotron DESY, Hamburg, GermanyB. O. Zhautykov - AlmaN. Zhmak - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineC. Zhou - McGill UniversityA. Zichichi - Ist Nazl Fis Nucl, I-40126 Bologna, ItalyM. Zolko - Natl Acad Sci, Inst Nucl Res, Kiev, UkraineD. S. Zotkin - Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, RussiaZ. Zulkapli - University of MalayaZEUS Collaboration
- Resource Type
- Journal article
- Publication Details
- The European physical journal. C, Particles and fields, Vol.70(4), pp.945-963
- DOI
- 10.1140/epjc/s10052-010-1498-9
- ISSN
- 1434-6044
- eISSN
- 1434-6052
- Publisher
- Springer Nature
- Number of pages
- 19
- Grant note
- ST/H001026/2 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) ST/H000992/1 / Science and Technology Facilities Council; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC)
- Language
- English
- Date published
- 12/01/2010
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984627189802771
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