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Leif Jönsson

Leif Jönsson

Professor emeritus

Leif Jönsson

Inelastic leptoproduction of J/psi mesons at HERA

Author

  • C Adloff
  • V Andreev
  • B Andrieu
  • T Anthonis
  • A Astvatsatourov
  • A Babaev
  • J Bahr
  • P Baranov
  • E Barrelet
  • W Bartel
  • J Becker
  • M Beckingham
  • A Beglarian
  • O Behnke
  • C Beier
  • A Belousov
  • C Berger
  • T Berndt
  • JC Bizot
  • J Boehme
  • V Boudry
  • W Braunschweig
  • V Brisson
  • HB Broker
  • DP Brown
  • W Bruckner
  • D Bruncko
  • FW Busser
  • A Bunyatyan
  • A Burrage
  • G Buschhorn
  • L Bystritskaya
  • AJ Campbell
  • S Caron
  • F Cassol-Brunner
  • D Clarke
  • C Collard
  • JG Contreras
  • YR Coppens
  • JA Coughlan
  • MC Cousinou
  • BE Cox
  • G Cozzika
  • J Cvach
  • JB Dainton
  • WD Dau
  • K Daum
  • Mattias Davidsson
  • B Delcourt
  • N Delerue
  • R Demirchyan
  • A De Roeck
  • EA De Wolf
  • C Diaconu
  • J Dingfelder
  • P Dixon
  • V Dodonov
  • JD Dowell
  • A Droutskoi
  • A Dubak
  • C Duprel
  • G Eckerlin
  • D Eckstein
  • V Efremenko
  • S Egli
  • R Eichler
  • F Eisele
  • E Eisenhandler
  • M Ellerbrock
  • E Elsen
  • M Erdmann
  • W Erdmann
  • PJW Faulkner
  • L Favart
  • A Fedotov
  • R Felst
  • J Ferencei
  • S Ferron
  • M Fleisclier
  • P Fleischmann
  • YH Fleming
  • G Flugge
  • A Fomenko
  • I Foresti
  • J Formanek
  • G Franke
  • G Frising
  • E Gabathuler
  • K Gabathuler
  • J Garvey
  • J Gassner
  • J Gayler
  • R Gerhards
  • C Gerlich
  • S Ghazaryan
  • L Goerlich
  • N Gogitidze
  • C Grab
  • V Grabski
  • H Grassler
  • T Greenshaw
  • G Grindhammer
  • T Hadig
  • D Haidt
  • L Hajduk
  • J Haller
  • WJ Haynes
  • B Heinemann
  • G Heinzelmann
  • RCW Henderson
  • S Hengstmann
  • H Henschel
  • R Heremans
  • G Herrera
  • I Herynek
  • M Hildebrandt
  • M Hilgers
  • KH Hiller
  • J Hladky
  • P Hoting
  • D Hoffmann
  • R Horisberger
  • A Hovhannisyan
  • S Hurling
  • M Ibbotson
  • C Issever
  • M Jacquet
  • M Jaffre
  • L Janauschek
  • X Janssen
  • V Jemanov
  • Leif Jönsson
  • C Johnson
  • DP Johnson
  • MAS Jones
  • Hannes Jung
  • D Kant
  • M Kapichine
  • Martin Karlsson
  • O Karschnick
  • F Keil
  • N Keller
  • J Kennedy
  • IR Kenyon
  • S Kermiche
  • C Kiesling
  • Pär Kjellberg
  • M Klein
  • I Kleinwort
  • T Kluge
  • G Knies
  • B Koblitz
  • SD Kolya
  • V Korbel
  • P Kostka
  • SK Kotelnikov
  • R Koutouev
  • A Koutov
  • J Kroseberg
  • K Kruger
  • T Kuhr
  • T Kurca
  • D Lamb
  • MPJ Landon
  • W Lange
  • T Lastovicka
  • P Laycock
  • E Lebailly
  • A Lebedev
  • B Leissner
  • R Lemrani
  • V Lendermann
  • S Levonian
  • Magnus Lindström
  • B List
  • E Lobodzinska
  • B Lobodzinski
  • A Loginov
  • N Loktionova
  • V Lubimov
  • S Luders
  • D Luke
  • L Lytkin
  • N Malden
  • E Malinovski
  • I Malinovski
  • S Mangano
  • R Maracek
  • P Marage
  • J Marks
  • R Marshall
  • HU Martyn
  • J Martyniak
  • SJ Maxfield
  • D Meer
  • A Mehta
  • K Meier
  • AB Meyer
  • H Meyer
  • J Meyer
  • PO Meyer
  • S Mikocki
  • D Milstead
  • S Mohrdieck
  • MN Mondragon
  • F Moreau
  • A Morozov
  • JV Morris
  • K Muller
  • P Murin
  • V Nagovizin
  • B Naroska
  • J Naumann
  • T Naumann
  • G Nellen
  • PR Newman
  • F Niebergall
  • C Niebuhr
  • O Nix
  • G Nowak
  • JE Olsson
  • D Ozerov
  • V Panassik
  • C Pascaud
  • GD Patel
  • M Peez
  • E Perez
  • A Petrukhin
  • JP Phillips
  • D Pitzl
  • R Poschl
  • I Potachnikova
  • B Povh
  • G Radel
  • J Rauschenberger
  • P Reimer
  • B Reisert
  • D Reyna
  • C Risler
  • E Rizvi
  • P Robmann
  • R Roosen
  • A Rostovtsev
  • S Rusakov
  • K Rybicki
  • DPC Sankey
  • S Schatzel
  • J Scheins
  • FP Schilling
  • P Schleper
  • D Schmidt
  • D Schmidt
  • S Schmidt
  • S Schmitt
  • M Schneider
  • L Schoeffel
  • A Schoning
  • T Schorner
  • V Schroder
  • HC Schultz-Coulon
  • C Schwanenberger
  • K Sedlak
  • F Sefkow
  • V Shekelyan
  • I Shenakov
  • LN Shtarkov
  • Y Sirois
  • T Sloan
  • P Smirnov
  • Y Soloviev
  • D South
  • V Spaskov
  • A Specka
  • H Spitzer
  • R Stamen
  • B Stella
  • J Stiewe
  • I Strauch
  • U Straumann
  • M Swart
  • S Tchetchelnitski
  • G Thompson
  • PD Thompson
  • N Tobien
  • F Tomasz
  • D Traynor
  • P Truol
  • G Tsipolitis
  • I Tsurin
  • J Turnau
  • JE Turney
  • E Tzamariudaki
  • S Udluft
  • A Uraev
  • M Urban
  • A Usik
  • S Valkar
  • A Valkarova
  • C Vallee
  • P Van Mechelen
  • S Vassiliev
  • Y Vazdik
  • A Vest
  • A Vichnevski
  • K Wacker
  • J Wagner
  • R Wallny
  • B Waugh
  • G Weber
  • D Wegener
  • C Werner
  • N Werner
  • M Wessels
  • G White
  • S Wiesand
  • T Wilksen
  • M Winde
  • GG Winter
  • C Wissing
  • M Wobisch
  • EE Woehrling
  • E Wunsch
  • AC Wyatt
  • J Zacek
  • J Zalesak
  • Z Zhang
  • A Zhokin
  • F Zomer
  • M zur Nedden

Summary, in English

The leptoproduction of J/psi mesons is studied in inelastic reactions for four momentorri transfers 2 < Q(2) < 100GeV(2). The data were taken with the H1 detector at the electron proton collider HERA and correspond to an integrated luminosity of 77 pb(-1). Single differential and double differential cross sections are measured with increased precision compared with previous analyses. New leading order calculations within the non-relativistic QCD factorisation approach including colour octet and colour singlet contributions are compared with the data and are found to give a reasonable description of most distributions. An exception is the shape of the distribution in the J/psi fractional energy. z, which deviates significantly from that of the data. Comparisons with photoproduction are made and the polarisation of the produced J/psi meson is analysed.

Department/s

  • Particle and nuclear physics
  • Chemical Physics

Publishing year

2002

Language

English

Pages

41-53

Publication/Series

European Physical Journal C. Particles and Fields

Volume

25

Issue

1

Document type

Journal article

Publisher

Springer

Topic

  • Subatomic Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1434-6044