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  1. Pubblicazioni

Observation of isolated high-ET photons in deep inelastic scattering

Articolo
Data di Pubblicazione:
2004
Abstract:
First measurements of cross sections for isolated prompt photon production in deep inelastic ep scattering have been made using the ZEUS detector at the HERA electron–proton collider using an integrated luminosity of 121 pb−1. A signal for isolated photons in the transverse energy and rapidity ranges 5<10 GeV and −0.7<0.9 was observed for virtualities of the exchanged photon of Q2>35 GeV2. Cross sections are presented for inclusive prompt photons and for those accompanied by a single jet in the range ETjet >= 6 GeV and −1.5 <= ηjet < 1.8. Calculations at order α^3a_s describe the data reasonably well.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
High Energy Physics; HERA; ZEUS Collaboration; VIRTUAL COMPTON-SCATTERING; CENTRAL TRACKING DETECTOR; CROSS-SECTION; PARTON DISTRIBUTIONS; TRANSVERSE-MOMENTUM
Elenco autori:
S. Chekanov;M. Derrick;J. H. Loizides;S. Magill;S. Miglioranzi;B. Musgrave;J. Repond;R. Yoshida;M. C. K.;N. Pavel;P. Antonioli;G. Bari;A. Basile;L. Bellagamba;D. Boscherini;A. Bruni;G. Bruni;G. C. Romeo;L. Cifarelli;F. Cindolo;A. Contin;A. Corradi;S. D. Pasquale;P. Giusti;G. Iacobucci;A. Margotti;A. Montanari;R. Nania;F. Palmonari;A. Pesci;L. Rinaldi;G. Sartorelli;A. Zichichi;G. Aghuzumtsyan;D. Bartsch;I. Brock;S. Goers;H. Hartmann;E. Hilger;P. Irrgang;H. P. Jakob;O. Kind;U. Meyer;E. Paul;J. Rautenberg;R. Renner;A. Stifutkin;J. Tandler;K. C. Voss;M. Wang;D. S. Bailey;N. H. Brook;J. E. Cole;G. P. Heath;T. Namsoo;S. Robins;M. Wing;M. Capua;A. Mastroberardino;M. Schioppa;G. Susinno;J. Y. Kim;I. T. Lim;K. J. Ma;M. Y. Pac;M. Helbich;Y. Ning;Z. Ren;W. B. Schmidke;E. Sciulli;J. Chwastowski;A. Eskreys;J. Figiel;A. Galas;K. Olkiewicz;P. Stopa;L. Zawiejski;L. Adamczyk;T. Bold;I. Grabowska-Bold;D. Kisielewska;A. M. Kowal;M. Kowal;J. Lukasik;M. Przybycien;L. Suszycki;D. Szuba;J. Szuba;A. Kotanski;W. Slominski;V. Adler;U. Behrens;I. Bloch;K. Borras;V. Chiochia;D. Dannheim;G. Drews;J. Fourletova;U. Fricke;A. Geiser;P. Gottlicher;O. Gutsche;T. Haas;W. Hain;S. Hillert;C. Horn;B. Kahle;U. Kotz;H. Kowalski;G. Kramberger;H. Labes;D. Lelas;H. Lim;B. Lohr;R. Mankel;I. A. Melzer-Pellmann;C. N. Nguyen;D. Notz;A. E. Nuncio-Quiroz;A. Polini;A. Raval;L. Rurua;U. Schneekloth;U. Stosslein;G. Wolf;C. Youngman;W. Zeuner;S. Schlenstedt;G. Barbagli;E. Gallo;C. Genta;P. G. Pelfer;A. Bamberger;A. Benen;F. Karstens;D. Dobur;N. N. Vlasov;M. Bell;P. J. Bussey;A. T. Doyle;J. Ferrando;J. Hamilton;S. Hanlon;D. H. Saxon;I. O. Skillicorn;I. Gialas;T. Carli;T. Gosau;U. Holm;N. Krumnack;E. Lohrmann;M. Milite;H. Salehi;P. Schleper;T. Schorner-Sadenius;S. Stonjek;K. Wichmann;K. Wick;A. Ziegler;A. Ziegler;C. Collins-Tooth;C. Foudas;R. Goncalo;K. R. Long;A. D. Tapper;P. Cloth;D. Filges;M. Kataoka;K. Nagano;K. Tokushuku;S. Yamada;Y. Yamazaki;A. N. Barakbaev;E. G. Boos;N. S. Pokrovskiy;B. O. Zhautykov;D. Son;K. Piotrzkowski;F. Barreiro;C. Glasman;O. Gonzalez;L. Labarga;J. d. Peso;E. Tassi;J. Terron;M. Zambrana;M. Barbi;F. Corriveau;S. Gliga;J. Lainesse;S. Padhi;D. G. Stairs;R. Walsh;T. Tsurugai;A. Antonov;P. Danilov;B. A. Dolgoshein;D. Gladkov;V. Sosnovtsev;S. Suchkov;R. K. Dementiev;P. F. Ermolov;I. I. Katkov;L. A. Khein;I. A. Korzhavina;V. A. Kuzmin;B. B. Levchenko;O. Y. Lukina;A. S. Proskuryakov;L. M. Shcheglova;S. A. Zotkin;I. Abt;C. Buttner;A. Caldwell;X. Liu;J. Sutiak;N. Coppola;S. Grijpink;E. Koffeman;P. Kooijman;E. Maddox;A. Pellegrino;S. Schagen;H. Tiecke;M. Vazques;L. Wiggers;E. d. Wolf;N. Brummer;B. Bylsma;L. S. Durkin;T. Y. Ling;A. M. Cooper-Sarkar;A. Cottrell;R. C. E.;B. Foster;G. Grzelak;C. Gwenlan;T. Kohno;S. Patel;P. B. Straub;R. Walczak;A. Bertolin;R. Brugnera;R. Carlin;F. D. Corso;S. Dusini;A. Garfagnini;S. Limentani;A. Longhin;A. Parenti;M. Posocco;L. Stanco;M. Turcato;E. A. Heaphy;F. Metlica;B. Y. Oh;J. J. Whitmore;Y. Iga;G. D'Agostini;G. Marini;A. Nigro;C. Cormack;J. C. Hart;N. A. McCubbin;C. Heusch;I. H. Park;H. Abramowicz;A. Gabareen;S. Kananov;A. Kreisel;A. Levy;M. Kuze;T. Fusayasu;S. Kagawa;T. Tawara;T. Yamashita;R. Hamatsu;T. Hirose;M. Inuzuka;H. Kaji;S. Kitamura;K. Matsuzawa;M. Costa;M. I. Ferrero;V. Monaco;R. Sacchi;A. Solano;M. Arneodo;M. Ruspa;T. Koop;J. F. Martin;A. Mirea;J. M. Butterworth;R. Hall-Wilton;T. W. Jones;M. S. Lightwood;M. R. Sutton;C. Targett-Adams;J. Ciborowski;R. Ciesielski;P. Luzniak;R. J. Nowak;J. M. Pawlak;J. Sztuk;T. Tymieniecka;A. Ukleja;J. Ukleja;A. F. Zarnecki;M. Adamus;P. Plucinski;Y. Eisenberg;D. Hochman;U. Karshon;M. Riveline;A. Everett;L. K. Gladilin;D. Kcira;S. Lammers;L. Li;D. D. Reeder;M. Rosin;P. Ryan;A. A. Savin;W. H. Smith;S. Dhawan;S. Bhadra;C. D. Catterall;S. Fourletov;G. Hartner;S. Menary;M. Soares;J. Standage
Autori di Ateneo:
COSTA Marco
MONACO Vincenzo
SACCHI Roberto
SOLANO Ada Maria
Link alla scheda completa:
https://iris.unito.it/handle/2318/35908
Pubblicato in:
PHYSICS LETTERS. SECTION B
Journal
  • Dati Generali

Dati Generali

URL

http://dx.doi.org/10.1016/j.physletb.2004.05.033
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