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Journal Articles European Physical Journal C: Particles and Fields Year : 2008

Measurement of Isolated Photon Production in Deep-Inelastic Scattering at HERA

F.D. Aaron , A. Aktas , C. Alexa , V. Andreev , B. Antunovic , S. Aplin , A. Asmone , A. Astvatsatourov , S. Backovic , A. Baghdasaryan , P. Baranov , E. Barrelet (1) , W. Bartel , S. Baudrand (2) , M. Beckingham , K. Begzsuren , O. Behnke , O. Behrendt , A. Belousov , N. Berger , J.C. Bizot (2) , M.-O. Boenig , V. Boudry (3) , I. Bozovic-Jelisavcic , J. Bracinik , G. Brandt , M. Brinkmann , V. Brisson (2) , D. Bruncko , F.W. Busser , A. Bunyatyan , G. Buschhorn , L. Bystritskaya , A.J. Campbell , K.B. Cantun Avila , F. Cassol-Brunner (4) , K. Cerny , V. Cerny , V. Chekelian , A. Cholewa , J.G. Contreras , J.A. Coughlan , G. Cozzika (5) , J. Cvach , J.B. Dainton , K. Daum , M. Deak , Y. de Boer , B. Delcourt (2) , M. del Degan , J. Delvax , A. de Roeck , E.A. de Wolf , C. Diaconu (4) , V. Dodonov , A. Dubak , G. Eckerlin , V. Efremenko , S. Egli , R. Eichler , F. Eisele , A. Eliseev , E. Elsen , S. Essenov , A. Falkiewicz , P.J.W. Faulkner , L. Favart , A. Fedotov , R. Felst , J. Feltesse (5) , J. Ferencei , L. Finke , M. Fleischer , A. Fomenko , G. Franke , T. Frisson (3) , E. Gabathuler , J. Gayler , S. Ghazaryan , S. Ginzburgskaya , A. Glazov , I. Glushkov , L. Goerlich , M. Goettlich , N. Gogitidze , S. Gorbounov , M. Gouzevitch (3) , C. Grab , T. Greenshaw , B.R. Grell , G. Grindhammer , S. Habib , D. Haidt , M. Hansson , G. Heinzelmann , C. Helebrant , R.C.W. Henderson , H. Henschel , G. Herrera , M. Hildebrandt , K.H. Hiller , D. Hoffmann (4) , R. Horisberger , A. Hovhannisyan , T. Hreus , M. Jacquet (2) , M.E. Janssen , X. Janssen , V. Jemanov , L. Jonsson , D.P. Johnson , A.W. Jung , H. Jung , M. Kapichine , J. Katzy , I.R. Kenyon , C. Kiesling , M. Klein , C. Kleinwort , T. Klimkovich , T. Kluge , A. Knutsson , V. Korbel , P. Kostka , M. Kraemer , K. Krastev , J. Kretzschmar , A. Kropivnitskaya , K. Kruger , M.P.J. Landon , W. Lange , G. Lastovicka-Medin , P. Laycock , A. A. Lebedev , G. Leibenguth , V. Lendermann , S. Levonian , G. Li (2) , L. Lindfeld , K. Lipka , A. Liptaj , B. List , J. List , N. Loktionova , R. Lopez-Fernandez , V. Lubimov , A.-I. Lucaci-Timoce , L. Lytkin , A. Makankine , E. Malinovski , P. Marage , Ll. Marti , M. Martisikova , H.-U. Martyn , S.J. Maxfield , A. Mehta , K. Meier , A.B. Meyer , H. Meyer , J. Meyer , V. Michels , S. Mikocki , I. Milcewicz-Mika , A. Mohamed , F. Moreau (3) , A. Morozov , J.V. Morris , M.U. Mozer , K. Muller , P. Murin , K. Nankov , B. Naroska , Th. Naumann , P.R. Newman , C. Niebuhr , A. Nikiforov , G. Nowak , K. Nowak , M. Nozicka , R. Oganezov , B. Olivier , J.E. Olsson , S. Osman , D. Ozerov , V. Palichik , I. Panagoulias , M. Pandurovic , Th. Papadopoulou , C. Pascaud (2) , G.D. Patel , H. Peng , Emile Perez (5) , D. Perez-Astudillo , A. Perieanu , A. Petrukhin , I. Picuric , S. Piec , D. Pitzl , R. Placakyte , R. Polifka , B. Povh , T. Preda , P. Prideaux , V. Radescu , A.J. Rahmat , N. Raicevic , T. Ravdandorj , P. Reimer , C. Risler , E. Rizvi , P. Robmann , B. Roland , R. Roosen , A. Rostovtsev , Z. Rurikova , S. Rusakov , D. Salek , F. Salvaire , D.P.C. Sankey , M. Sauter , E. Sauvan , S. Schmidt , S. Schmitt , C. Schmitz , L. Schoeffel (5) , A. Schoning , H.-C. Schultz-Coulon , F. Sefkow , R.N. Shaw-West , I. Sheviakov , L.N. Shtarkov , T. Sloan , I. Smiljanic , P. Smirnov , Y. Soloviev , D. South , V. Spaskov , A. Specka (3) , Z. Staykova , M. Steder , B. Stella , J. Stiewe , U. Straumann , D. Sunar , T. Sykora , V. Tchoulakov , G. Thompson , P.D. Thompson , T. Toll , F. Tomasz , T.H. Tran (2) , D. Traynor , T.N. Trinh (4) , P. Truol , I. Tsakov , B. Tseepeldorj , G. Tsipolitis , I. Tsurin , J. Turnau , E. Tzamariudaki , K. Urban , D. Utkin , A. Valkarova , C. Vallee (4) , P. van Mechelen , A. Vargas Trevino , Y. Vazdik , S. Vinokurova , V. Volchinski , G. Weber , R. Weber , D. Wegener , C. Werner , M. Wessels , Ch. Wissing , R. Wolf , E. W¨unsch , S. Xella , V. Yeganov , J. Zacek , J. Zalesak , Zhiqing Zhang (2) , A. Zhelezov , A. Zhokin , Y.C. Zhu , T. Zimmermann , H. Zohrabyan , F. Zomer (2)
F.D. Aaron
  • Function : Author
A. Aktas
  • Function : Author
C. Alexa
  • Function : Author
V. Andreev
  • Function : Author
B. Antunovic
  • Function : Author
S. Aplin
  • Function : Author
A. Asmone
  • Function : Author
A. Astvatsatourov
  • Function : Author
S. Backovic
  • Function : Author
A. Baghdasaryan
  • Function : Author
P. Baranov
  • Function : Author
W. Bartel
  • Function : Author
M. Beckingham
  • Function : Author
K. Begzsuren
  • Function : Author
O. Behnke
  • Function : Author
O. Behrendt
  • Function : Author
A. Belousov
  • Function : Author
N. Berger
  • Function : Author
M.-O. Boenig
  • Function : Author
V. Boudry
I. Bozovic-Jelisavcic
  • Function : Author
J. Bracinik
  • Function : Author
G. Brandt
  • Function : Author
M. Brinkmann
  • Function : Author
D. Bruncko
  • Function : Author
F.W. Busser
  • Function : Author
A. Bunyatyan
  • Function : Author
G. Buschhorn
  • Function : Author
L. Bystritskaya
  • Function : Author
A.J. Campbell
  • Function : Author
K.B. Cantun Avila
  • Function : Author
K. Cerny
  • Function : Author
V. Cerny
  • Function : Author
V. Chekelian
  • Function : Author
A. Cholewa
  • Function : Author
J.G. Contreras
  • Function : Author
J.A. Coughlan
  • Function : Author
J. Cvach
  • Function : Author
J.B. Dainton
  • Function : Author
K. Daum
  • Function : Author
M. Deak
  • Function : Author
Y. de Boer
  • Function : Author
M. del Degan
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J. Delvax
  • Function : Author
A. de Roeck
  • Function : Author
E.A. de Wolf
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V. Dodonov
  • Function : Author
A. Dubak
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G. Eckerlin
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V. Efremenko
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S. Egli
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R. Eichler
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F. Eisele
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A. Eliseev
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E. Elsen
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S. Essenov
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A. Falkiewicz
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P.J.W. Faulkner
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L. Favart
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A. Fedotov
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R. Felst
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J. Ferencei
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L. Finke
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M. Fleischer
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A. Fomenko
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G. Franke
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T. Frisson
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E. Gabathuler
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J. Gayler
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S. Ghazaryan
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S. Ginzburgskaya
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A. Glazov
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I. Glushkov
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L. Goerlich
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M. Goettlich
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N. Gogitidze
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S. Gorbounov
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M. Gouzevitch
C. Grab
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T. Greenshaw
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B.R. Grell
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G. Grindhammer
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S. Habib
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D. Haidt
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M. Hansson
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G. Heinzelmann
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C. Helebrant
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R.C.W. Henderson
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H. Henschel
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G. Herrera
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M. Hildebrandt
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K.H. Hiller
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R. Horisberger
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A. Hovhannisyan
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T. Hreus
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M.E. Janssen
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X. Janssen
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V. Jemanov
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L. Jonsson
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D.P. Johnson
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A.W. Jung
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H. Jung
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M. Kapichine
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J. Katzy
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I.R. Kenyon
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C. Kiesling
  • Function : Author
M. Klein
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C. Kleinwort
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T. Klimkovich
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T. Kluge
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A. Knutsson
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V. Korbel
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P. Kostka
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M. Kraemer
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K. Krastev
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J. Kretzschmar
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A. Kropivnitskaya
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K. Kruger
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M.P.J. Landon
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W. Lange
  • Function : Author
G. Lastovicka-Medin
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P. Laycock
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A. A. Lebedev
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G. Leibenguth
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V. Lendermann
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S. Levonian
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L. Lindfeld
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K. Lipka
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A. Liptaj
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B. List
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J. List
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N. Loktionova
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R. Lopez-Fernandez
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V. Lubimov
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A.-I. Lucaci-Timoce
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L. Lytkin
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A. Makankine
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E. Malinovski
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P. Marage
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Ll. Marti
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M. Martisikova
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H.-U. Martyn
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S.J. Maxfield
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A. Mehta
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K. Meier
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A.B. Meyer
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H. Meyer
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J. Meyer
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V. Michels
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S. Mikocki
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I. Milcewicz-Mika
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A. Mohamed
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A. Morozov
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J.V. Morris
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M.U. Mozer
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K. Muller
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P. Murin
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K. Nankov
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B. Naroska
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Th. Naumann
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P.R. Newman
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C. Niebuhr
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A. Nikiforov
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G. Nowak
K. Nowak
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M. Nozicka
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R. Oganezov
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B. Olivier
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J.E. Olsson
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S. Osman
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D. Ozerov
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V. Palichik
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I. Panagoulias
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M. Pandurovic
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Th. Papadopoulou
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G.D. Patel
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H. Peng
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D. Perez-Astudillo
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A. Perieanu
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A. Petrukhin
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I. Picuric
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S. Piec
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D. Pitzl
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R. Placakyte
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R. Polifka
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B. Povh
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T. Preda
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P. Prideaux
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V. Radescu
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A.J. Rahmat
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N. Raicevic
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T. Ravdandorj
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P. Reimer
C. Risler
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E. Rizvi
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P. Robmann
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B. Roland
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R. Roosen
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A. Rostovtsev
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Z. Rurikova
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S. Rusakov
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D. Salek
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F. Salvaire
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D.P.C. Sankey
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M. Sauter
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E. Sauvan
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S. Schmidt
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S. Schmitt
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C. Schmitz
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A. Schoning
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H.-C. Schultz-Coulon
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F. Sefkow
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R.N. Shaw-West
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I. Sheviakov
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L.N. Shtarkov
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T. Sloan
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I. Smiljanic
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P. Smirnov
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Y. Soloviev
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D. South
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V. Spaskov
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Z. Staykova
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M. Steder
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B. Stella
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J. Stiewe
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U. Straumann
  • Function : Author
D. Sunar
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T. Sykora
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V. Tchoulakov
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G. Thompson
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P.D. Thompson
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T. Toll
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F. Tomasz
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D. Traynor
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P. Truol
  • Function : Author
I. Tsakov
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B. Tseepeldorj
  • Function : Author
G. Tsipolitis
  • Function : Author
I. Tsurin
  • Function : Author
J. Turnau
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E. Tzamariudaki
  • Function : Author
K. Urban
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D. Utkin
  • Function : Author
A. Valkarova
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P. van Mechelen
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A. Vargas Trevino
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Y. Vazdik
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S. Vinokurova
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V. Volchinski
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G. Weber
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R. Weber
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D. Wegener
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C. Werner
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M. Wessels
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Ch. Wissing
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R. Wolf
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E. W¨unsch
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S. Xella
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V. Yeganov
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J. Zacek
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J. Zalesak
  • Function : Author
Zhiqing Zhang
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  • PersonId : 829631
A. Zhelezov
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A. Zhokin
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Y.C. Zhu
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T. Zimmermann
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H. Zohrabyan
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Abstract

The production of isolated photons in deep-inelastic scattering $ep\to e \gamma X$ is measured with the H1 detector at HERA. The measurement is performed in the kinematic range of negative four-momentum transfer squared $450$ GeV. The analysis is based on a total integrated luminosity of 227~pb$^{-1}$. The production cross section of isolatedphotons with a transverse energy in the range $3 < E_T^\gamma < 10$ GeV and pseudorapidity range $-1.2 < \eta^\gamma < 1.8$ is measured as a function of $E_T^\gamma$, $\eta^\gamma$ and $Q^2$. Isolated photon cross sections are also measured for events with no jets or at least one hadronic jet. The measurements are compared with predictions from Monte Carlo generators modelling the photon radiation from the quark and the electron lines, as well as with calculations at leading and next to leading order in the strong coupling. The predictions significantly underestimate the measured cross sections.

Dates and versions

in2p3-00192793 , version 1 (29-11-2007)

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F.D. Aaron, A. Aktas, C. Alexa, V. Andreev, B. Antunovic, et al.. Measurement of Isolated Photon Production in Deep-Inelastic Scattering at HERA. European Physical Journal C: Particles and Fields, 2008, 54, pp.371-387. ⟨10.1140/epjc/s10052-008-0541-6⟩. ⟨in2p3-00192793⟩
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