Measurement of d* Photoproduction at three different centre-of-mass energies at Hera

H Abramowicz, I Abt, L Adamczyk, M Adamus, R Aggarwal, S Antonelli, O Arslan, V Aushev, Y Aushev, O Bachynska, AN Barakbaev, N Bartosik, O Behnke, J Behr, U Behrens, A Bertolin, S Bhadra, I Bloch, V Bokhonov, EG BoosK Borras, I Brock, R Brugnera, A Bruni, B Brzozowska, PJ Bussey, A Caldwell, M Capua, CD Catterall, J Chwastowski, J Ciborowski, R Ciesielski, AM Cooper-Sarkar, M Corradi, F Corriveau, G D'Agostini, RK Dementiev, RCE Devenish, G Dolinska, V Drugakov, S Dusini, J Ferrando, J Figiel, B Foster, G Gach, A Garfagnini, A Geiser, A Gizhko, LK Gladilin, O Gogota, YA Golubkov, J Grebenyuk, I Gregor, G Grzelak, O Gueta, M Guzik, W Hain, G Hartner, Donald Hochman, R Hori, ZA Ibrahim, Y Iga, M Ishitsuka, A Iudin, F Januschek, I Kadenko, S Kananov, T Kanno, Uri Karshon, M Kaur, P Kaur, LA Khein, D Kisielewska, R Klanner, U Klein, N Kondrashova, O Kononenko, I Korol, IA Korzhavina, A Kotanski, U Kotz, N Kovalchuk, H Kowalski, O Kuprash, M Kuze, BB Levchenko, V Libov, S Limentani, M Lisovyi, E Lobodzinska, W Lohmann, B Lohr, E Lohrmann, A Longhin, D Lontkovskyi, OY Lukina, J Maeda, I Makarenko, J Malka, JF Martin, S Mergelmeyer, FM Idris, K Mujkic, V Myronenko, K Nagano, A Nigro, T Nobe, D Notz, RJ Nowak, K Olkiewicz, Y Onishchuk, E Paul, W Perlanski, H Perrey, NS Pokrovskiy, AS Proskuryakov, M Przybycien, A Raval, P Roloff, I Rubinsky, M Ruspa, V Samojlov, DH Saxon, M Schioppa, WB Schmidke, U Schneekloth, T Schorner-Sadenius, J Schwartz, LM Shcheglova, R Shevchenko, O Shkola, I Singh, IO Skillicorn, W Slominski, V Sola, A Solano, A Spiridonov, L Stanco, N Stefaniuk, Adi Stern, TP 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, WAT Abdullah, K Wichmann, M Wing, G Wolf, S Yamada, Y Yamazaki, N Zakharchuk, AF Zarnecki, L Zawiejski, O Zenaiev, BO Zhautykov, N Zhmak, DS Zotkin

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2 Citations (Scopus)

Abstract

The photoproduction of D∗± mesons has been measured with the ZEUS detector at HERA at three different ep centre-of-mass energies, √s, of 318, 251 and 225GeV. For each data set, D∗± mesons were required to have transverse momentum, pD T , and pseudorapidity, ηD , in the ranges 1.9 < pD T < 20GeV and |ηD∗ | < 1.6. The events were required to have a virtuality of the incoming photon, Q2, of less than 1GeV2. The dependence on √s was studied by normalising to the high-statistics measurement at √s = 318GeV. This led to the cancellation of a number of systematic effects both in data and theory.

Original languageEnglish
Article number3
JournalJournal of High Energy Physics
Volume2014
Issue number10
DOIs
Publication statusPublished - Oct 2014

Funding

Publisher Copyright: © The Authors.

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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