Inclusive-jet photoproduction at HERA and determination of alpha(s)

  title={Inclusive-jet photoproduction at HERA and determination of alpha(s)},
  author={Zeus Collaboration and Halina Abramowicz and Iris Abt and Leszek Adamczyk and Melanie Adamus and Ranjana Aggarwal and S. Antonelli and P. Arthur Antonioli and Alexey Antonov and Michele Arneodo and Volodymyr Aushev and Y. Aushev and Olena Bachynska and Adrienne Bamberger and A. N. Barakbaev and Giuseppe Barbagli and G{\'a}bor Bari and Fernando Iglesias Barreiro and Irvine M. J. Nugent and Detlef Bartsch and M. Basile and Olaf Behnke and Joseph Behr and Ullrich Behrens and Lorenzo Bellagamba and Alessandro Bertolin and Sumana Bhadra and Marco Bindi and Cristina Blohm and V. Bokhonov and Tuvshintulga Bold and Kyrylo Bondarenko and Everton Boos and K Zavergiu Borras and Davide Boscherini and Dion Bot and Ian C. Brock and Elizabeth Brownson and R. Brugnera and Nichol C. Brummer and S{\'e}bastien Brunet and Gabriele Bruni and Beata Brzozowska and Peter John Bussey and Benjamin Glenn Bylsma and Anthony Caldwell and Marcella Capua and Roberto Carlin and Clive Catterall and Sergei Gennad'evich Chekanov and Janusz Chwastowski and Jacek Ciborowski and Rafał Ciesielski and Luisa Cifarelli and Federico Cindolo and Andrea Contin and Amanda M. Cooper-Sarkar and Nicola Coppola and Massimo Corradi and Francois Corriveau and Manuel Costa and Giulio D'Agostini and Francesco Dal Corso and Jes{\'u}s del Peso and Roman Dementiev and Salvatore De Pasquale and M. Elizabeth Derrick and R. C. E. Devenish and Didar Dobur and Boris Dolgoshein and Ganna Dolinska and A. T. Doyle and V. V. Drugakov and Lloyd Stanley Durkin and S. Dusini and Yehuda Eisenberg and P. F. Ermolov and Andrzej Eskreys and Shoushi Fang and Salvatore Fazio and Julien Ferrando and Mitch Ferrero and Victor Jose Gaston Feuillard and Martyn Forrest and Brian Foster and Grzegorz Gach and Aleksander Galas and Elisabetta Gallo and A. Garfagnini and Achim Geiser and Ioannis Gialas and Andrii Gizhko and Leonid Gladilin and Daniil Gladkov and Claudia Glasman and Olga Gogota and Yu. A. Golubkov and Peter Gottlicher and Iwona Grabowska-Bold and Julia N. Grebenyuk and Ingrid M. Gregor and Gabriela Grigorescu and Grzegorz Grzelak and Orel Gueta and Marcin Pawel Guzik and Claire Gwenlan and Taylor Haas and Wang Hain and Ryosuke Hamatsu and J. C. Hart and Heidi Hartmann and Gerd Frank Hartner and Eva Hilger and David. Hochman and Ryuma Hori and Keith Horton and Antje Huttmann and Zainol Abidin Ibrahim and Yuka Iga and Ronen Ingbir and Masaki Ishitsuka and Hjelmer Jakob and Friederike Januschek and Thomas W. Jones and Markus Jungst and I. Kadenko and Beatrix Kahle and Sergey Kananov and Tetsuo Kanno and Uri Karshon and F. Karstens and Igor I. Katkov and Manjot Kaur and Pawandeep Kaur and Angelo Keramidas and L. A. Khein and Jae Yool Kim and Daria Kisielewska and Sota Kitamura and Robert Klanner and Uschi Klein and Els Koffeman and Natalia Yurievna Kondrashova and O. Kononeko and Paulien Kooijman and Ie. Korol and Irina A. Korzhavina and Andrzej Kotański and Ulrich Kotz and Henri Kowalski and O. E. Kuprash and Masahiro Kuze and Adrian F. Lee and B. B. Levchenko and Amir Levy and Vladimir Libov and Sa Limentani and Tabitha Ng Yin Ling and Mykhailo Lisovyi and Ewelina Maria Lobodzinska and Wolfgang Lohmann and Bernd Lohr and Emanuel Lohrmann and Kevin R. Long and A. Longhin and Denys Lontkovskyi and O. Yu. Lukina and Junpei Maeda and Steve Magill and Irina Makarenko and Jonathan Malka and Ekaterina Kuznetsova and Anselmo Margotti and Giambattista Marini and John Francis Martin and Antonio Mastroberardino and Megan C. Mattingly and Jack Joseph Leonard and Sebastian Mergelmeyer and Silvia Miglioranzi and F. Mohamad Idris and Vincenzo Monaco and Andrea Montanari and Julie Dianne Morris and Kenan Mujkic and Barbara Musgrave and Kunihiro Nagano and T. A. Namsoo and Rosario Nania and Abdelmalek Nigro and Yafei Ning and Takuya Nobe and Umara Noor and D. K. Notz and Roman J. Nowak and A.-E. Nuncio-Quiroz and Byung Yeol Oh and Naoaki Okazaki and Kamilla Oliver and Katarzyna Olkiewicz and Yu. N. Onishchuk and Konstantinova G. Papag{\'e}orgiu and Andrea Parenti and Elizabeth S Paul and Joseph Matthew Pawlak and Boscij Pawlik and P. G. Pelfer and Antonio Pellegrino and Wojciech Perlański and Hanno Perrey and Krzysztof Piotrzkowski and Piotr Plucinski and Nikolay Pokrovskiy and Alessandro Polini and Aleksandr Proskuryakov and Mateusz Przybycień and Amita Raval and D. D. Reeder and Burkard Christian Reisert and Zhongliang Ren and Julien Repond and Yongsok Ri and Aaron Robertson and Philipp Gerhard Roloff and I. A. Rubinsky and Marta Ruspa and Roberto Sacchi and Ursula Samson and Gabriella Sartorelli and Audrey Savin and David H. Saxon and Marco Schioppa and Stefan Schlenstedt and P. Schleper and W. B. Schmidke and Uwe Schneekloth and Verena Ellen Schonberg and Th. Schorner-Sadenius and Jeffrey D. Schwartz and Frank Sciulli and Lydia Shcheglova and Romana Shehzadi and Suguru Shimizu and Ishwar Singh and Ian O Skillicorn and Wojtek Slominski and Wm. Hayden Smith and V. Antonio Sola and Angelique Solano and D. O. Bell Son and Valery V Sosnovtsev and Alexander Spiridonov and H. Stadie and L. Stanco and Nazar Stefaniuk and Ady Stern and Tyler P. Stewart and Alexei Stifutkin and Piotr Stopa and Serge Suchkov and Giancarlo Susinno and Leszek Suszycki and Jolanta Sztuk-Dambietz and Dorota Szuba and Joanna Szuba and Alexander D. Tapper and E. Tassi and Juan Miguel Aguado Terr{\'o}n and Thorben Theedt and H. G. Tiecke and Katsuo Tokushuku and Justyna Tomaszewska and Vladislav Trusov and Takashi Tsurugai and Monica Turcato and Oleksii Turkot and Teresa Tymieniecka and Manuel V{\'a}zquez and Andrii Verbytskyi and Oleksandr Viazlo and Nikolai Nikolayevich Vlasov and Rafal Walczak and W.A.T. Wan Abdullah and James J. Whitmore and Louise C. W. Wiggers and Matthew Wing and Michal Wlasenko and Gy. Wolf and H. Wolfe and Konrad Wrona and A. G. Yagues-Molina and Shoichi Yamada and Y. Yamazaki and Rik Yoshida and Christopher Youngman and Oleksandr Zabiegalov and A. F. Żarnecki and Leszek Zawiejski and Oleksandr Zenaiev and Wolfram Zeuner and B. O. Zhautykov and N. Zhmak and Chunda Zhou and Antonino Zichichi and Zukhaimira Zolkapli and D. S. Zotkin},
Inclusive-jet cross sections have been measured in the reaction ep → e+ jet + X for photon virtuality Q < 1 GeV and γp centre-of-mass energies in the region 142 < Wγp < 293 GeV with the ZEUS detector at HERA using an integrated luminosity of 300 pb. Jets were identified using the kT , anti-kT or SIScone jet algorithms in the laboratory frame. Single-differential cross sections are presented as functions of the jet transverse energy, E T , and pseudorapidity, η , for jets with E T > 17 GeV and… CONTINUE READING


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