Forward $\pi^0$ meson production at Hera - Université Pierre et Marie Curie Access content directly
Journal Articles Physics Letters B Year : 1999

Forward $\pi^0$ meson production at Hera

C. Adloff , V. Andreev , B. Andrieu (1) , V. Arkadov , A. Astvatsatourov , I. Ayyaz (2) , A. Babaev , J. Bahr , P. Baranov , E. Barrelet (2) , W. Bartel , U. Bassler (2) , P. Bate , A. Beglarian , O. Behnke , C. Beier , A. Belousov , T. Benisch , C. Berger , G. Bernardi (2) , T. Berndt , G. Bertrand-Coremans , P. Biddulph , J.C. Bizot , K. Borras , V. Boudry (1) , W. Braunschweig , V. Brisson , H.B. Broker , D.P. Brown , W. Bruckner , Pascal Bruel (1) , D. Bruncko , J. Burger , F.W. Busser , A. Bunyatian , S. Burke , A. Burrage , G. Buschhorn , A.J. Campbell , J. Cao , T. Carli , E. Chabert (3) , M. Charlet , D. Clarke , B. Clerbaux , C. Collard , J.G. Contreras , J.A. Coughlan , M.C. Cousinou (3) , B.E. Cox , G. Cozzika , J. Cvach , J.B. Dainton , W.D. Dau , K. Daum , M. David , M. Davidsson , B. Delcourt , R. Demirchian , A. de Roeck , E.A. de Wolf , C. Diaconu (3) , P. Dixon , V. Dodonov , K.T. Donovan , J.D. Dowell , A. Droutskoi , C. Duprel , J. Ebert , G. Eckerlin , D. Eckstein , V. Efremenko , S. Egli , R. Eichler , F. Eisele , E. Eisenhandler , E. Elsen , M. Erdmann , A.B. Fahr , P.J.W. Faulkner , L. Favart , A. Fedotov , R. Felst , J. Feltesse , J. Ferencei , F. Ferrarotto , S. Ferron (1) , M. Fleischer , G. Flugge , A. Fomenko , I. Foresti , J. Formanek , J.M. Foster , G. Franke , E. Gabathuler , K. Gabathuler , J. Garvey , J. Gassner , J. Gayler , R. Gerhards , S. Ghazaryan , A. Glazov , L. Goerlich , N. Gogitidze , M. Goldberg (2) , I. Gorelov , C. Grab , H. Grassler , T. Greenshaw , R.K. Griffiths , G. Grindhammer , T. Hadig , D. Haidt , L. Hajduk , V. Haustein , W.J. Haynes , B. Heinemann , G. Heinzelmann , R.C.W. Henderson , S. Hengstmann , H. Henschel , R. Heremans , G. Herrera , I. Herynek , M. Hilgers , K.H. Hiller , C.D. Hilton , J. Hladky , P. Hoting , D. Hoffmann , R. Horisberger , S. Hurling , M. Ibbotson , C. Issever , M. Jacquet , M. Jaffre , L. Janauschek , D.M. Jansen , X. Janssen , L. Jonsson , D.P. Johnson , M. J. Jones , H. Jung , H.K. Kastli , D. Kant , M. Kapichine , M. Karlsson , O. Karschnick , O. Kaufmann , M. Kausch , F. Keil , N. Keller , I.R. Kenyon , S. Kermiche (3) , C. Kiesling , M. Klein , C. Kleinwort , G. Knies , H. Kolanoski , S.D. Kolya , V. Korbel , P. Kostka , S.K. Kotelnikov , M.W. Krasny (2) , H. Krehbiel , J. Kroseberg , D. Krucker , K. Kruger , A. Kupper , T. Kuhr , T. Kurca , W. Lachnit , R. Lahmann , D. Lamb , M.P.J. Landon , W. Lange , A. A. Lebedev , F. Lehner , V. Lemaitre , R. Lemrani , V. Lendermann , S. Levonian (1) , M. Lindstroem , G. Lobo , E. Lobodzinska , V. Lubimov , S. Luders , D. Luke , L. Lytkin , N. Magnussen , H. Mahlke-Kruger , N. Malden , E. Malinovsky , I. Malinovsky , R. Maracek , P. Marage , J. Marks , R. Marshall , H.U. Martyn , J. Martyniak , S.J. Maxfield , T.R. Mcmahon , A. Mehta , K. Meier , P. Merkel , F. Metlica , A. Meyer , H. Meyer , J. Meyer (1) , P.O. Meyer , S. Mikocki , D. Milstead , R. Mohr , S. Mohrdieck , M.N. Mondragon , F. Moreau (1) , A. Morozov , J.V. Morris , D. Muller , K. Muller , P. Murin , V. Nagovizin , B. Naroska , J. Naumann , T. Naumann , I. Negri (3) , P.R. Newman , H.K. Nguyen (2) , T.C. Nicholls , F. Niebergall , C. Niebuhr , O. Nix , G. Nowak , T. Nunnemann , J.E. Olsson , D. Ozerov , V. Panassik , C. Pascaud , S. Passaggio , G.D. Patel , Emile Perez , J.P. Phillips , D. Pitzl , R. Poschl , I. Potashnikova , B. Povh , K. Rabbertz , G. Radel , J. Rauschenberger , P. Reimer , B. Reisert , D. Reyna , S. Riess , E. Rizvi , P. Robmann , R. Roosen , A. Rostovtsev (2) , C. Royon , S. Rusakov , K. Rybicki , D.P.C. Sankey , J. Scheins , F.P. Schilling , S. Schleif , P. Schleper , D. Schmidt , L. Schoeffel , T. Schorner , V. Schroder , H.C. Schultz-Coulon , F. Sefkow , V. Shekelian , I. Sheviakov , L.N. Shtarkov , G. Siegmon , P. Sievers , Y. Sirois (1) , T. Sloan , P. Smirnov , M. Smith , V. Solochenko , Yu. Solovev , V. Spaskov , A. Specka (1) , H. Spitzer , R. Stamen , J. Steinhart , B. Stella , A. Stellberger , J. Stiewe , U. Straumann , W. Struczinski , J.P. Sutton , M. Swart , M. Tasevsky , V. Chernyshov , S. Chechelnitsky , G. Thompson , P.D. Thompson , N. Tobien , D. Traynor , P. Truol , G. Tsipolitis , J. Turnau , J. Turney , E. Tzamariudaki , S. Udluft , A. Usik , S. Valkar , A. Valkarova , C. Vallee (3) , A. van Haecke , P. van Mechelen , Ya. Vazdik , G. Villet , S. von Dombrowski , K. Wacker , R. Wallny , T. Walter , B. Waugh , G. Weber , M. Weber , D. Wegener , A. Wegner , T. Wengler , M. Werner , L.R. West , G. White , S. Wiesand , T. Wilksen , M. Winde , G.G. Winter , C. Wissing , M. Wobisch , H. Wollatz , E. Wunsch , J. Zacek , J. Zalesak , Zhiqing Zhang , A. Zhokin , P. Zini (2) , F. Zomer , J. Zsembery , M. Zur Nedden
C. Adloff
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V. Andreev
  • Function : Author
V. Arkadov
  • Function : Author
A. Astvatsatourov
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A. Babaev
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J. Bahr
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P. Baranov
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W. Bartel
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P. Bate
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A. Beglarian
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O. Behnke
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C. Beier
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A. Belousov
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T. Benisch
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C. Berger
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T. Berndt
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G. Bertrand-Coremans
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P. Biddulph
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J.C. Bizot
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K. Borras
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V. Boudry
W. Braunschweig
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V. Brisson
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H.B. Broker
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D.P. Brown
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W. Bruckner
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D. Bruncko
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J. Burger
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F.W. Busser
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A. Bunyatian
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S. Burke
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A. Burrage
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G. Buschhorn
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A.J. Campbell
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J. Cao
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T. Carli
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M. Charlet
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D. Clarke
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B. Clerbaux
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C. Collard
J.G. Contreras
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J.A. Coughlan
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B.E. Cox
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G. Cozzika
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J. Cvach
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J.B. Dainton
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W.D. Dau
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K. Daum
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M. David
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M. Davidsson
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B. Delcourt
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R. Demirchian
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A. de Roeck
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E.A. de Wolf
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P. Dixon
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V. Dodonov
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K.T. Donovan
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J.D. Dowell
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A. Droutskoi
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C. Duprel
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J. Ebert
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G. Eckerlin
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D. Eckstein
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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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E. Eisenhandler
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E. Elsen
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M. Erdmann
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A.B. Fahr
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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. Feltesse
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J. Ferencei
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F. Ferrarotto
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M. Fleischer
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G. Flugge
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A. Fomenko
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I. Foresti
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J. Formanek
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J.M. Foster
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G. Franke
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E. Gabathuler
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K. Gabathuler
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J. Garvey
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J. Gassner
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J. Gayler
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R. Gerhards
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S. Ghazaryan
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A. Glazov
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L. Goerlich
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N. Gogitidze
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I. Gorelov
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C. Grab
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H. Grassler
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T. Greenshaw
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R.K. Griffiths
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G. Grindhammer
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T. Hadig
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D. Haidt
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L. Hajduk
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V. Haustein
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W.J. Haynes
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B. Heinemann
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G. Heinzelmann
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R.C.W. Henderson
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S. Hengstmann
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H. Henschel
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R. Heremans
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G. Herrera
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I. Herynek
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M. Hilgers
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K.H. Hiller
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C.D. Hilton
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J. Hladky
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P. Hoting
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D. Hoffmann
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R. Horisberger
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S. Hurling
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M. Ibbotson
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C. Issever
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M. Jacquet
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M. Jaffre
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L. Janauschek
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D.M. Jansen
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X. Janssen
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L. Jonsson
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D.P. Johnson
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M. J. Jones
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H. Jung
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H.K. Kastli
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D. Kant
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M. Kapichine
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M. Karlsson
O. Karschnick
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O. Kaufmann
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M. Kausch
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F. Keil
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N. Keller
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I.R. Kenyon
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C. Kiesling
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M. Klein
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C. Kleinwort
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G. Knies
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H. Kolanoski
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S.D. Kolya
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V. Korbel
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P. Kostka
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S.K. Kotelnikov
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H. Krehbiel
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A. Kupper
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T. Kurca
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W. Lachnit
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R. Lahmann
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D. Lamb
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M.P.J. Landon
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W. Lange
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A. A. Lebedev
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F. Lehner
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V. Lemaitre
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V. Lendermann
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M. Lindstroem
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G. Lobo
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E. Lobodzinska
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V. Lubimov
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S. Luders
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D. Luke
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L. Lytkin
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N. Magnussen
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H. Mahlke-Kruger
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N. Malden
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E. Malinovsky
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I. Malinovsky
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R. Maracek
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P. Marage
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J. Marks
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R. Marshall
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H.U. Martyn
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J. Martyniak
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S.J. Maxfield
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T.R. Mcmahon
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A. Mehta
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K. Meier
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P. Merkel
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F. Metlica
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A. Meyer
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H. Meyer
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P.O. Meyer
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S. Mikocki
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D. Milstead
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R. Mohr
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S. Mohrdieck
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M.N. Mondragon
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A. Morozov
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J.V. Morris
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D. Muller
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K. Muller
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P. Murin
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V. Nagovizin
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B. Naroska
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J. Naumann
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T. Naumann
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P.R. Newman
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T.C. Nicholls
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F. Niebergall
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C. Niebuhr
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O. Nix
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G. Nowak
T. Nunnemann
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J.E. Olsson
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D. Ozerov
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V. Panassik
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C. Pascaud
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S. Passaggio
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G.D. Patel
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Emile Perez
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J.P. Phillips
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D. Pitzl
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R. Poschl
I. Potashnikova
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B. Povh
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K. Rabbertz
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G. Radel
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J. Rauschenberger
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P. Reimer
B. Reisert
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D. Reyna
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S. Riess
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E. Rizvi
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P. Robmann
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R. Roosen
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C. Royon
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S. Rusakov
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K. Rybicki
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D.P.C. Sankey
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J. Scheins
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F.P. Schilling
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S. Schleif
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P. Schleper
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D. Schmidt
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L. Schoeffel
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T. Schorner
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V. Schroder
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H.C. Schultz-Coulon
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F. Sefkow
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V. Shekelian
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I. Sheviakov
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L.N. Shtarkov
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G. Siegmon
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P. Sievers
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T. Sloan
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P. Smirnov
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M. Smith
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V. Solochenko
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Yu. Solovev
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V. Spaskov
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H. Spitzer
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R. Stamen
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J. Steinhart
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B. Stella
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A. Stellberger
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J. Stiewe
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U. Straumann
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W. Struczinski
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J.P. Sutton
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M. Swart
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M. Tasevsky
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V. Chernyshov
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S. Chechelnitsky
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G. Thompson
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P.D. Thompson
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N. Tobien
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D. Traynor
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P. Truol
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G. Tsipolitis
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J. Turnau
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J. Turney
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E. Tzamariudaki
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S. Udluft
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A. Usik
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S. Valkar
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A. Valkarova
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A. van Haecke
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P. van Mechelen
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Ya. Vazdik
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G. Villet
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S. von Dombrowski
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K. Wacker
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R. Wallny
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T. Walter
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B. Waugh
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G. Weber
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M. Weber
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D. Wegener
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A. Wegner
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T. Wengler
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M. Werner
L.R. West
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G. White
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S. Wiesand
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T. Wilksen
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M. Winde
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G.G. Winter
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C. Wissing
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M. Wobisch
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H. Wollatz
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E. Wunsch
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J. Zacek
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J. Zalesak
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Zhiqing Zhang
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A. Zhokin
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F. Zomer
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J. Zsembery
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M. Zur Nedden
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Abstract

High transverse momentum pi0-mesons have been measured with the H1 detector at HERA in deep-inelastic ep scattering events at low Bjorken-x, down to x <~ 4.10^{-5}. The measurement is performed in a region of small angles with respect to the proton remnant in the laboratory frame of reference, namely the forward region, and corresponds to central rapidity in the centre of mass system of the virtual photon and proton. This region is expected to be particularly sensitive to QCD effects in hadronic final states. Differential cross-sections for inclusive pi0-meson production are presented as a function of Bjorken-x and the four-momentum transfer Q^2, and as a function of transverse momentum and pseudorapidity. A recent numerical BFKL calculation and predictions from QCD models based on DGLAP parton evolution are compared with the data.
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Dates and versions

in2p3-00003698 , version 1 (03-12-1999)

Identifiers

  • HAL Id : in2p3-00003698 , version 1

Cite

C. Adloff, V. Andreev, B. Andrieu, V. Arkadov, A. Astvatsatourov, et al.. Forward $\pi^0$ meson production at Hera. Physics Letters B, 1999, 462, pp.440-452. ⟨in2p3-00003698⟩
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