Measurement of neutral current e+/-p cross sections at high Bjorken x with the ZEUS detector

ZEUS Collaboration , H. Abramowicz , I. Abt , L. Adamczyk , M. Adamus , R. Aggarwal , S. Antonelli , O. Arslan

show 165 more authors

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. Koetz N. Kovalchuk H. Kowalski O. Kuprash M. Kuze B.B. Levchenko A. Levy V. Libov S. Limentani M. Lisovyi E. Lobodzinska W. Lohmann B. Loehr 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. Schoerner-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

Authors on Pith no claims yet

classification ✦ hep-ex

keywords crosscurrentneutralbjorkencompareddetectorimprovedmeasurement

0 comments

read the original abstract

The neutral current e+/-p cross section has been measured up to values of Bjorken x of approximately 1 with the ZEUS detector at HERA using an integrated luminosity of 187 inv. pb of e-p and 142 inv. pb of e+p collisions at sqrt(s) = 318GeV. Differential cross sections in x and Q2, the exchanged boson virtuality, are presented for Q2 geq 725GeV2. An improved reconstruction method and greatly increased amount of data allows a finer binning in the high-x region of the neutral current cross section and leads to a measurement with much improved precision compared to a similar earlier analysis. The measurements are compared to Standard Model expectations based on a variety of recent parton distribution functions.

This paper has not been read by Pith yet.

Measurement of neutral current e+/-p cross sections at high Bjorken x with the ZEUS detector

discussion (0)