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Dijet angular distributions in photoproduction of charm at HERA

Title
Dijet angular distributions in photoproduction of charm at HERA
Authors
Chekanov S.Derrick M.Krakauer D.Loizides J.H.Magill S.Musgrave B.Repond J.Yoshida R.Mattingly M.C.K.Antonioli P.Bari G.Basile M.Bellagamba L.Boscherini D.Bruni A.Bruni G.Cara Romeo G.Cifarelli L.Cindolo F.Contin A.Corradi M.de Pasquale S.Giusti P.Iacobucci G.Margotti A.Nania R.Palmonari F.Pesci A.Sartorelli G.Zichichi A.Aghuzumtsyan G.Bartsch D.Brock I.Goers S.Hartmann H.Hilger E.Irrgang P.Jakob H.-P.Kappes A.Katz U.F.Kind O.Meyer U.Paul E.Rautenberg J.Renner R.Stifutkin A.Tandler J.Voss K.C.Wang M.Weber A.Bailey D.S.Brook N.H.Cole J.E.Foster B.Heath G.P.Heath H.F.Robins S.Rodrigues E.Scott J.Tapper R.J.Wing M.Capua M.Mastroberardino A.Schioppa M.Susinno G.Kim J.Y.Kim Y.K.Lee J.H.Lim I.T.Pac M.Y.Caldwell A.Helbich M.Liu X.Mellado B.Ning Y.Paganis S.Ren Z.Schmidke W.B.Sciulli F.Chwastowski J.Eskreys A.Figiel J.Olkiewicz K.Stopa P.Zawiejski L.Adamczyk L.Bold T.Grabowska-Bold I.Kisielewska D.Kowal A.M.Kowal M.Kowalski T.Przybycien M.Suszycki L.Szuba D.Szuba J.Kotanski A.Slominski W.Bauerdick L.A.T.Behrens U.Bloch I.Borras K.Chiochia V.Dannheim D.Drews G.Fourletova J.Fricke U.Geiser A.Goebel F.Gottlicher P.Gutsche O.Haas T.Hain W.Hartner G.F.Hillert S.Kahle B.Kotz U.Kowalski H.Kramberger G.Labes H.Lelas D.Lohr B.Mankel R.Melzer-Pellmann I.-A.Moritz M.Nguyen C.N.Notz D.Petrucci M.C.Polini A.Raval A.Schneekloth U.Selonke F.Wessoleck H.Wolf G.Youngman C.Zeuner W.Schlenstedt S.Barbagli G.Gallo E.Genta C.Pelfer P.G.Bamberger A.Benen A.Coppola N.Bell M.Bussey P.J.Doyle A.T.Glasman C.Hamilton J.Hanlon S.Lee S.W.Lupi A.Saxon D.H.Skillicorn I.O.Gialas I.Bodmann B.Carli T.Holm U.Klimek K.Krumnack N.Lohrmann E.Milite M.Salehi H.Stonjek S.Wick K.Ziegler A.Collins-Tooth C.Foudas C.Goncalo R.Long K.R.Tapper A.D.Cloth P.Filges D.Kuze M.Nagano K.Tokushuku K.Yamada S.Yamazaki Y.Barakbaev A.N.Boos E.G.Pokrovskiy N.S.Zhautykov B.O.Lim H.Son D.Piotrzkowski K.Barreiro F.Gonzalez O.Labarga L.del Peso J.Tassi E.Terron J.Vazquez M.Barbi M.Corriveau F.Gliga S.Lainesse J.Padhi S.Stairs D.G.Tsurugai T.Antonov A.Danilov P.Dolgoshein B.A.Gladkov D.Sosnovtsev V.Suchkov S.Dementiev R.K.Ermolov P.F.Golubkov Y.A.Katkov I.I.Khein L.A.Korzhavina I.A.Kuzmin V.A.Levchenko B.B.Lukina O.Y.Proskuryakov A.S.Shcheglova L.M.Vlasov N.N.Zotkin S.A.Grijpink S.Koffeman E.Kooijman P.Maddox E.Pellegrino A.Schagen S.Tiecke H.Tuning N.Velthuis J.J.Wiggers L.de Wolf E.Brummer N.Bylsma B.Durkin L.S.Ling T.Y.Boogert S.Cooper-Sarkar A.M.Devenish R.C.E.Ferrando J.Grzelak G.Patel S.Rigby M.Sutton M.R.Walczak R.Bertolin A.Brugnera R.Carlin R.Dal Corso F.Dusini S.Garfagnini A.Limentani S.Longhin A.Parenti A.Posocco M.Stanco L.Turcato M.Heaphy E.A.Metlica F.Oh B.Y.Saull P.R.B.Whitmore J.J.Iga Y.D'Agostini G.Marini G.Nigro A.Cormack C.Hart J.C.McCubbin N.A.Heusch C.Park I.H.Pavel N.Abramowicz H.Gabareen A.Kananov S.Kreisel A.Levy A.Abe T.Fusayasu T.Kagawa S.Kohno T.Tawara T.Yamashita T.Hamatsu R.Hirose T.Inuzuka M.Kitamura S.Matsuzawa K.Nishimura T.Arneodo M.Ferrero M.I.Monaco V.Ruspa M.Sacchi R.Solano A.Koop T.Levman G.M.Martin J.F.Mirea A.Butterworth J.M.Gwenlan C.Hall-Wilton R.Jones T.W.Lightwood M.S.West B.J.Ciborowski J.Ciesielski R.Nowak R.J.Pawlak J.M.Sztuk J.Tymieniecka T.Ukleja A.Ukleja J.Zarnecki A.F.Adamus M.Plucinski P.Eisenberg Y.Gladilin L.K.Hochman D.Karshon U.Kcira D.Lammers S.Li L.Reeder D.D.Savin A.A.Smith W.H.Deshpande A.Dhawan S.Hughes V.W.Straub P.B.Bhadra S.Catterall C.D.Fourletov S.Menary S.Soares M.Standage J.
Ewha Authors
박일흥
Issue Date
2003
Journal Title
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ISSN
0370-2693JCR Link
Citation
vol. 565, no. 1-4, pp. 87 - 101
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Dijet angular distributions of photoproduction events in which a D*± meson is produced in association with one of two energetic jets have been measured with the ZEUS detector at HERA, using an integrated luminosity of 120 pb-1. Differential cross sections as a function of the angle between the charm-jet and the proton-beam direction in the dijet rest frame have been measured for samples enriched in direct or resolved photon events. The results are compared with predictions from leading-order parton-shower Monte Carlo models and with next-to-leading-order QCD calculations. The angular distributions show clear evidence for the existence of charm originating from the photon. © 2003 Published by Elsevier B.V.
DOI
10.1016/S0370-2693(03)00752-4
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자연과학대학 > 물리학전공 > Journal papers
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