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Comparison of ZEUS data with standard model predictions for e(+)p->e(+)X scattering at high x and Q(2)

Title:	Comparison of ZEUS data with standard model predictions for e(+)p->e(+)X scattering at high x and Q(2)
Authors:	BREITWEG J; DERRICK M; KRAKAUER D; MAGILL S; MIKUNAS D; MUSGRAVE B; REPOND J; STANEK R; TALAGA RL; YOSHIDA R; ZHANG H; MATTINGLY MCK; ANSELMO F; ANTONIOLI P; BARI G; BASILE M; BELLAGAMBA L; BOSCHERINI D; BRUNI A; BRUNI G; ROMEO GC; CASTELLINI G; CIFARELLI L; CINDOLO F; CONTIN A; CORRADI M; DEPASQUALE S; GIALAS I; GIUSTI P; IACOBUCCI G; LAURENTI G; LEVI G; MARGOTTI A; MASSAM T; NANIA R; PALMONARI F; PESCI A; POLINI A; SARTORELLI G; GARCIA YZ; ZICHICHI A; AMELUNG C; BORNHEIM A; BROCK I; COBOKEN K; CRITTENDEN J; DEFFNER R; ECKERT M; FELD L; GROTHE M; HARTMANN H; HEINLOTH K; HEINZ L; HILGER E; JAKOB HP; KATZ UF; PAUL E; PFEIFFER M; REMBSER C; STAMM J; WEDEMEYER R; BAILEY DS; CAMPBELLROBSON S; COTTINGHAM WN; FOSTER B; HALLWILTON R; HAYES ME; HEATH GP; HEATH HF; PICCIONI D; ROFF DG; TAPPER RJ; ARNEODO M; AYAD R; CAPUA M; IANNOTTI L; SCHIOPPA M; SUSINNO G; KIM JY; LEE JH; LIM IT; PAC MY; CALDWELL A; CARTIGLIA N; JING Z; LIU W; PARSONS JA; RITZ S; SAMPSON S; SCIULLI F; STRAUB PB; ZHU Q; BORZEMSKI P; CHWASTOWSKI J; ESKREYS A; JAKUBOWSKI Z; PRZYBYCIEN MB; ZACHARA M; ZAWIEJSKI L; ADAMCZYK L; BEDNAREK B; JELEN K; KISIELEWSKA D; KOWALSKI T; PRZYBYCIEO M; RULIKOWSKAZAREBSKA E; SUSZYCKI L; ZAJAC J; DULINSKI Z; KOTANSKI A; ABBIENDI G; BAUERDICK LAT; BEHRENS U; BEIER H; BIENLEIN JK; CASES G; DEPPE O; DESLER K; DREWS G; GILKINSON DJ; GLASMAN C; GOTTLICHER P; GROSSEKNETTER J; HAAS T; HAIN W; HASELL D; HESSLING H; IGA Y; JOHNSON KF; KASEMANN M; KOCH W; KOTZ U; KOWALSKI H; LABS J; LINDEMANN L; LOHR B; LOWE M; MAINUSCH J; MANCZAK O; MILEWSKI J; MONTEIRO T; NG JST; NOTZ D; OHRENBERG K; PARK JH; PELLEGRINO A; PELUCCHI F; PIOTRKOWSKI K; ROCO M; ROHDE M; ROLDAN J; SAVIN AA; SCHNEEKLOTH U; SCHULZ W; SELONKE F; SURROW B; TASSI E; VOSS T; WESTPHAL D; WOLF G; WOLLMER U; YOUNGMAN C; ZARNECKI AF; ZEUNER W; BUROW BD; GRABOSCH HJ; MEYER A; SCHLENSTEDT S; BARBAGLI G; GALLO E; PELFER P; MACCARRONE G; VOTANO L; BAMBERGER A; EISENHARDT S; MARKUN P; TREFZGER T; WOLFLE S; BROMLEY JT; BROOK NH; BUSSEY PJ; DOYLE AT; SAXON DH; SINCLAIR LE; STRICKLAND E; UTLEY ML; WAUGH R; WILSON AS; BOHNET I; GENDNER N; HOLM U; MEYERLARSEN A; SALEHI H; WICK K; GLADILIN LK; KLANNER R; LOHRMANN E; POELZ G; SCHOTT W; ZETSCHE F; BACON TC; BUTTERWORTH I; COLE JE; HARRIS VL; HOWELL G; HUNG BHY; LAMBERTI L; LONG KR; MILLER DB; PAVEL N; PRINIAS A; SEDGBEER JK; SIDERIS D; WHITFIELD AF; MALLIK U; WANG SM; WU JT; CLOTH P; FILGES D; AN SH; LEE SB; NAM SW; PARK HS; PARK SK; BARREIRO F; FERNANDEZ JP; GRACIANI R; HERNANDEZ JM; HERVAS L; LABARGA L; MARTINEZ M; DELPESO J; PUGA J; TERRON J; DETROCONIZ JF; CORRIVEAU F; HANNA DS; HARTMANN J; HUNG LW; LIM JN; MURRAY WN; OCHS A; RIVELINE M; STAIRS DG; STLAURENT M; ULLMANN R; TSURUGAI T; BASHKIROV V; DOLGOSHEIN BA; STIFUTKIN A; BASHINDZHAGYAN GL; ERMOLOV PF; GOLUBKOV YA; KOBRIN VD; KORZHAVINA LA; KUZMIN VA; LUKINA OY; PROSKURYAKOV AS; SHCHEGLOVA LM; SOLOMIN AN; ZOTOV NP; BOKEL C; BOTJE M; BRUMMER N; CHLEBANA F; ENGELEN J; DEKAMPS M; KOOIJMAN P; KRUSE A; VANSIGHEM A; TIECKE H; VERKERKE W; VOSSEBELD J; VREESWIJK M; WIGGERS L; DEWOLF E; ACOSTA D; BYLSMA B; DURKIN LS; GILMORE J; GINSBURG CH; KIM CL; LING TY; NYLANDER P; ROMANOWSKI TA; BLAIKLEY HE; CASHMORE RJ; COOPERSARKAR AM; DEVENISH RCE; EDMONDS JK; HARNEW N; LANCASTER M; MCFALL JD; NATH C; NOYES VA; QUADT A; TICKNER JR; UIJTERWAAL H; WALCZAK R; WATERS DS; YIP T; BERTOLIN A; DALCORSO F; DOSSELLI U; LIMENTANI S; MORANDIN M; POSOCCO M; STANCO L; VOCI C; BULMAHN J; FEILD RG; OH BY; OKRASINSKI JR; WHITMORE JJ; MARINI G; NIGRO A; HART JC; MCCUBBIN NA; SHAH TP; BARBERIS E; DUBBS T; HEUSCH C; VANHOOK M; LOCKMAN W; RAHN JT; SADROZINSKI HFW; SEIDEN A; WILLIAMS DC; SCHWARZER O; WALENTA AH; ABRAMOWICZ H; BRISKIN G; DAGAN S; DOEKER T; KANANOV S; LEVY A; ABE T; FLECK JI; INUZUKA M; ISHII T; KUZE M; NAGANO K; NAKAO M; SUZUKI I; TOKUSHUKU K; UMEMORI K; YAMADA S; YAMAZAKI Y; HAMATSU R; HIROSE T; HOMMA K; KITAMURA S; MATSUSHITA T; YAMAUCHI K; CIRIO R; COSTA M; FERRERO MI; MASELLI S; MONACO V; PERONI C; PETRUCCI MC; SACCHI R; SOLANO A; STAIANO A; DARDO M; BAILEY DC; BRKIC M; FAGERSTROEM CP; HARTNER GF; JOE KK; LEVMAN GM; MARTIN JF; ORR RS; POLENZ S; SAMPSON CR; SIMMONS D; TEUSCHER RJ; BUTTERWORTH JM; CATTERALL CD; JONES TW; KAZIEWICZ PB; LANE JB; SAUNDERS RL; SHULMAN J; SUTTON MR; LU B; MO LW; CIBOROWSKI J; GRZELAK G; KASPRZAK M; MUCHOROWSKI K; NOWAK RJ; PAWLAK JM; PAWLAK R; TYMIENIECKA T; WROBLEWSKI AK; ZAKRZEWSKI JA; ADAMUS M; COLDEWEY C; EISENBERG Y; HOCHMAN D; KARSHON U; REVEL D; BADGETT WF; CHAPIN D; CROSS R; DASU S; FOUDAS C; LOVELESS RJ; MATTINGLY S; REEDER DD; SMITH WH; VAICIULIS A; WODARCZYK M; BHADRA S; FRISKEN WR; KHAKZAD M; SCHMIDKE WB; GARFAGNINI, ALBERTO; BRUGNERA, RICCARDO; CARLIN, ROBERTO; STROILI, ROBERTO
Contributors:	Breitweg, J; Derrick, M; Krakauer, D; Magill, S; Mikunas, D; Musgrave, B; Repond, J; Stanek, R; Talaga, Rl; Yoshida, R; Zhang, H; Mattingly, Mck; Anselmo, F; Antonioli, P; Bari, G; Basile, M; Bellagamba, L; Boscherini, D; Bruni, A; Bruni, G; Romeo, Gc; Castellini, G; Cifarelli, L; Cindolo, F; Contin, A; Corradi, M; Depasquale, S; Gialas, I; Giusti, P; Iacobucci, G; Laurenti, G; Levi, G; Margotti, A; Massam, T; Nania, R; Palmonari, F; Pesci, A; Polini, A; Sartorelli, G; Garcia, Yz; Zichichi, A; Amelung, C; Bornheim, A; Brock, I; Coboken, K; Crittenden, J; Deffner, R; Eckert, M; Feld, L; Grothe, M; Hartmann, H; Heinloth, K; Heinz, L; Hilger, E; Jakob, Hp; Katz, Uf; Paul, E; Pfeiffer, M; Rembser, C; Stamm, J; Wedemeyer, R; Bailey, D; Campbellrobson, S; Cottingham, Wn; Foster, B; Hallwilton, R; Hayes, Me; Heath, Gp; Heath, Hf; Piccioni, D; Roff, Dg; Tapper, Rj; Arneodo, M; Ayad, R; Capua, M; Garfagnini, Alberto; Iannotti, L; Schioppa, M; Susinno, G; Kim, Jy; Lee, Jh; Lim, It; Pac, My; Caldwell, A; Cartiglia, N; Jing, Z; Liu, W; Parsons, Ja; Ritz, S; Sampson, S; Sciulli, F; Straub, Pb; Zhu, Q; Borzemski, P; Chwastowski, J; Eskreys, A; Jakubowski, Z; Przybycien, Mb; Zachara, M; Zawiejski, L
Publisher Information:	Springer Verlag Germany:Tiergartenstrasse 17, D 69121 Heidelberg Germany:011 49 6221 3450, EMAIL: g.braun@springer.de, INTERNET: http://www.springer.de, Fax: 011 49 6221 345229
Publication Year:	1997
Collection:	Padua Research Archive (IRIS - Università degli Studi di Padova)
Description:	Using the ZEUS detector at HERA, we have studied the reaction e(+)p --> e(+)X for Q(2) > 5000 GeV2 with a 20.1 pb(-1) data sample collected during the years 1993 to 1996. For Q(2) below 15000 GeV2, the data are in good agreement with Standard Model expectations. For Q(2) > 35000 GeV2. two events are observed while 0.145 +/- 0.013 events are expected, A statistical analysis of a large ensemble of simulated Standard Model experiments indicates that with probability 6.0%, an excess at least as unlikely as that observed would occur above some Q(2) cut. For x > 0.55 and y > 0.75, four events are observed where 0.91 +/- 0.08 events are expected, A statistical analysis of the two-dimensional distribution of the events in x and y yields a probability of 0.72% for the region x > 0.55 and y > 0.25 and a probability of 7.8% for the entire Q(2) > 5000 GeV2 data sample. The observed excess above Standard Model expectations is particularly interesting because it occurs in a previously unexplored kinematic region.
Document Type:	article in journal/newspaper
Language:	English
Relation:	info:eu-repo/semantics/altIdentifier/wos/WOS:A1997WZ51900002; volume:74; firstpage:207; lastpage:220; numberofpages:14; journal:ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS; https://hdl.handle.net/11577/151483
DOI:	10.1007/s002880050384
Availability:	https://hdl.handle.net/11577/151483; https://doi.org/10.1007/s002880050384
Rights:	info:eu-repo/semantics/openAccess ; license:Creative commons ; license uri:http://creativecommons.org/licenses/by/4.0/
Accession Number:	edsbas.C17CF9E4
Database:	BASE