A measurement of the gluon splitting rate into $c\overline{c}$ pairs in hadronic Z decays

A. Heister; S. Schael; R. Barate; R. Bruneliere; I. de Bonis; D. Decamp; C. Goy; S. Jezequel; J P. Lees; F. Martin; E. Merle; M N. Minard; B. Pietrzyk; B. Trocme; S. Bravo; M P. Casado; M. Chmeissani; J M. Crespo; E. Fernandez; M. Fernandez-Bosman; L. Garrido; M. Martinez; A. Pacheco; H. Ruiz; A. Colaleo; D. Creanza; N. de Filippis; M. de Palma; G. Iaselli; G. Maggi; M. Maggi; S. Nuzzo; A. Ranieri; G. Raso; F. Ruggieri; G. Selvaggi; L. Silvestris; P. Tempesta; A. Tricomi; G. Zito; X. Huang; Jiali Lin; Q. Ouyang; T. Wang; Y. Xie; R. Xu; S. Xue; J. Zhang; L. Zhang; W. Zhao; D. Abbaneo; T. Barklow; O. Buchmuller; M. Cattaneo; F. Cerutti; B. Clerbaux; H. Drevermann; R W. Forty; M. Frank; F. Gianotti; J B. Hansen; J. Harvey; D E. Hutchcroft; P. Janot; B. Jost; M. Kado; P. Mato; A. Moutoussi; F. Ranjard; L. Rolandi; D. Schlatter; G. Sguazzoni; W. Tejessy; F. Teubert; A. Valassi; I. Videau; F. Badaud; S. Dessagne; Alain Falvard; D. Fayolle; Pascal Gay; J. Jousset; B. Michel; S. Monteil; D. Pallin; J M. Pascolo; Pascal Perret; J D. Hansen; J R. Hansen; P H. Hansen; A. Kraan; B S. Nilsson; A. Kyriakis; C. Markou; E. Simopoulou; A. Vayaki; K. Zachariadou; A. Blondel; J C. Brient; F. Machefert; A. Rouge; M. Swynghedauw; R. Tanaka; H. Videau; V. Ciulli; E. Focardi; G. Parrini; A. Antonelli; M. Antonelli; G. Bencivenni; F. Bossi; G. Capon; V. Chiarella; P. Laurelli; G. Mannocchi; G P. Murtas; L. Passalacqua; J. Kennedy; J G. Lynch; P. Negus; V. O'Shea; a S. Thompson; S. Wasserbaech; R. Cavanaugh; S. Dhamotharan; C. Geweniger; P. Hanke; V. Hepp; E E. Kluge; G. Leibenguth; A. Putzer; H. Stenzel; K. Tittel; M. Wunsch; R. Beuselinck; W. Cameron; G. Davies; P J. Dornan; M. Girone; R D. Hill; N. Marinelli; J. Nowell; S A. Rutherford; J K. Sedgbeer; J C. Thompson; R. White; V M. Ghete; P. Girtler; E. Kneringer; D. Kuhn; G. Rudolph; E. Bouhova-Thacker; C K. Bowdery; D P. Clarke; G. Ellis; a J. Finch; F. Foster; G. Hughes; R W L. Jones; M R. Pearson; N A. Robertson; M. Smizanska; O. van Der Aa; C. Delaere; V. Lemaitre; U. Blumenschein; F. Holldorfer; K. Jakobs; F. Kayser; K. Kleinknecht; a S. Muller; B. Renk; H G. Sander; S. Schmeling; H. Wachsmuth; C. Zeitnitz; T. Ziegler; A. Bonissent; P. Coyle; C. Curtil; A. Ealet; D. Fouchez; P. Payre; A. Tilquin; F. Ragusa; A. David; H. Dietl; G. Ganis; K. Huttmann; G. Lutjens; W. Manner; H G. Moser; R. Settles; M. Villegas; G. Wolf; J. Boucrot; O. Callot; M. Davier; L. Duflot; J F. Grivaz; P. Heusse; A. Jacholkowska; L. Serin; J J. Veillet; P. Azzurri; G. Bagliesi; T. Boccali; L. Foa; A. Giammanco; A. Giassi; F. Ligabue; A. Messineo; F. Palla; G. Sanguinetti; A. Sciaba; P. Spagnolo; R. Tenchini; A. Venturi; P G. Verdini; O. Awunor; G A. Blair; G. Cowan; A. Garcia-Bellido; M G. Green; L T. Jones; T. Medcalf; A. Misiejuk; J A. Strong; P. Teixeira-Dias; R W. Clifft; T R. Edgecock; P R. Norton; I R. Tomalin; J J. Ward; B. Bloch-Devaux; D. Boumediene; P. Colas; B. Fabbro; E. Lancon; M C. Lemaire; E. Locci; P. Perez; J. Rander; B. Tuchming; B. Vallage; N. Konstantinidis; a M. Litke; G. Taylor; C N. Booth; S. Cartwright; F. Combley; P N. Hodgson; M H. Lehto; L F. Thompson; A. Bohrer; S. Brandt; C. Grupen; J. Hess; A. Ngac; G. Prange; C. Borean; G. Giannini; H. He; J. Putz; J E. Rothberg; S R. Armstrong; K. Berkelman; K. Cranmer; D P S. Ferguson; Y. Gao; S. Gonzalez; O J. Hayes; H. Hu; S. Jin; J. Kile; P A. Mcnamara; J. Nielsen; y B. Pan; J H. von Wimmersperg-Toller; W. Wiedenmann; J. Wu; S L. Wu; X. Wu; G. Zobernig; G. Dissertori

doi:10.1016/S0370-2693(03)00495-7

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$A measurement of the gluon splitting rate into $c\overline{c}$ pairs in hadronic Z decays$

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A measurement of the gluon splitting rate into $c\overline{c}$ pairs in hadronic Z decays

A. Heister, S. Schael, R. Barate, R. Bruneliere, I. de Bonis, D. Decamp, C. Goy, S. Jezequel, J P. Lees, F. Martin, …

Physics Letters B, Vol.561, pp.213-224

2003

DOI: https://doi.org/10.1016/S0370-2693(03)00495-7

Abstract

The rate of gluons splitting into $c \bar{c}$ pairs in hadronic $Z$ decays is measured using the data sample collected by ALEPH from 1991 to 1995. The selection is based on the identification of leptons (electrons and muons) originating from semileptonic charm decays, and on the topological properties of signal events. The result derived from the selected sample is $g_{c \bar{c}}=(3.26 \pm 0.23 \rm{(stat)} \pm 0.42 \rm{(syst)}) %$

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Title: A measurement of the gluon splitting rate into $c\overline{c}$ pairs in hadronic Z decays
Creators - without role: A. Heister - RWTH Aachen University
S. Schael - RWTH Aachen University
R. Barate - Centre de Gestion Scientifique
R. Bruneliere - Centre de Gestion Scientifique
I. de Bonis - Centre de Gestion Scientifique
D. Decamp - Centre de Gestion Scientifique
C. Goy - Centre de Gestion Scientifique
S. Jezequel - Centre de Gestion Scientifique
J P. Lees - Centre de Gestion Scientifique
F. Martin - Centre de Gestion Scientifique
E. Merle - Centre de Gestion Scientifique
M N. Minard - Centre de Gestion Scientifique
B. Pietrzyk - Centre de Gestion Scientifique
B. Trocme - Centre de Gestion Scientifique
S. Bravo - Universitat Autònoma de Barcelona
M P. Casado - Universitat Autònoma de Barcelona
M. Chmeissani - Universitat Autònoma de Barcelona
J M. Crespo - Universitat Autònoma de Barcelona
E. Fernandez - Universitat Autònoma de Barcelona
M. Fernandez-Bosman
L. Garrido - Universitat Autònoma de Barcelona
M. Martinez
A. Pacheco - Universitat Autònoma de Barcelona
H. Ruiz - Universitat Autònoma de Barcelona
A. Colaleo
D. Creanza
N. de Filippis
M. de Palma
G. Iaselli
G. Maggi
M. Maggi
S. Nuzzo
A. Ranieri
G. Raso
F. Ruggieri
G. Selvaggi
L. Silvestris
P. Tempesta
A. Tricomi - Centre National de la Recherche Scientifique
G. Zito
X. Huang - U.S. National Science Foundation
Jiali Lin - U.S. National Science Foundation
Q. Ouyang - U.S. National Science Foundation
T. Wang - U.S. National Science Foundation
Y. Xie - U.S. National Science Foundation
R. Xu - U.S. National Science Foundation
S. Xue - U.S. National Science Foundation
J. Zhang - U.S. National Science Foundation
L. Zhang - U.S. National Science Foundation
W. Zhao - U.S. National Science Foundation
D. Abbaneo - European Organization for Nuclear Research
T. Barklow - European Organization for Nuclear Research
O. Buchmuller - European Organization for Nuclear Research
M. Cattaneo - European Organization for Nuclear Research
F. Cerutti - European Organization for Nuclear Research
B. Clerbaux - European Organization for Nuclear Research
H. Drevermann - European Organization for Nuclear Research
R W. Forty - European Organization for Nuclear Research
M. Frank - European Organization for Nuclear Research
F. Gianotti - European Organization for Nuclear Research
J B. Hansen - European Organization for Nuclear Research
J. Harvey - European Organization for Nuclear Research
D E. Hutchcroft - European Organization for Nuclear Research
P. Janot - European Organization for Nuclear Research
B. Jost - European Organization for Nuclear Research
M. Kado - European Organization for Nuclear Research
P. Mato - European Organization for Nuclear Research
A. Moutoussi - European Organization for Nuclear Research
F. Ranjard - European Organization for Nuclear Research
L. Rolandi
D. Schlatter - European Organization for Nuclear Research
G. Sguazzoni - European Organization for Nuclear Research
W. Tejessy - European Organization for Nuclear Research
F. Teubert - European Organization for Nuclear Research
A. Valassi - European Organization for Nuclear Research
I. Videau - European Organization for Nuclear Research
F. Badaud - Institut Pascal
S. Dessagne - Institut Pascal
Alain Falvard - Laboratoire d'Informatique, de Modélisation et d'Optimisation des Systèmes
D. Fayolle - Laboratoire d'Informatique, de Modélisation et d'Optimisation des Systèmes
Pascal Gay - Institut Pascal
J. Jousset - Laboratoire d'Informatique, de Modélisation et d'Optimisation des Systèmes
B. Michel - Laboratoire d'Informatique, de Modélisation et d'Optimisation des Systèmes
S. Monteil - Laboratoire d'Informatique, de Modélisation et d'Optimisation des Systèmes
D. Pallin - Institut Pascal
J M. Pascolo - Laboratoire d'Informatique, de Modélisation et d'Optimisation des Systèmes
Pascal Perret - Laboratoire d'Informatique, de Modélisation et d'Optimisation des Systèmes
J D. Hansen
J R. Hansen - University of Copenhagen
P H. Hansen - University of Copenhagen
A. Kraan - University of Copenhagen
B S. Nilsson - University of Copenhagen
A. Kyriakis
C. Markou
E. Simopoulou
A. Vayaki
K. Zachariadou
A. Blondel - Laboratoire d'Informatique de l'École Polytechnique
J C. Brient - Laboratoire d'Informatique de l'École Polytechnique
F. Machefert - Laboratoire d'Informatique de l'École Polytechnique
A. Rouge - Laboratoire d'Informatique de l'École Polytechnique
M. Swynghedauw - Laboratoire d'Informatique de l'École Polytechnique
R. Tanaka - Laboratoire d'Informatique de l'École Polytechnique
H. Videau - Laboratoire d'Informatique de l'École Polytechnique
V. Ciulli - University of Florence
E. Focardi - University of Florence
G. Parrini - University of Florence
A. Antonelli
M. Antonelli
G. Bencivenni
F. Bossi
G. Capon
V. Chiarella
P. Laurelli
G. Mannocchi
G P. Murtas
L. Passalacqua
J. Kennedy
J G. Lynch
P. Negus
V. O'Shea
a S. Thompson
S. Wasserbaech - Utah Valley University
R. Cavanaugh - Heidelberg University
S. Dhamotharan - Heidelberg University
C. Geweniger - Heidelberg University
P. Hanke - Heidelberg University
V. Hepp - Heidelberg University
E E. Kluge - Heidelberg University
G. Leibenguth - Heidelberg University
A. Putzer - Heidelberg University
H. Stenzel - Heidelberg University
K. Tittel - Heidelberg University
M. Wunsch - Heidelberg University
R. Beuselinck - Imperial College London
W. Cameron - Imperial College London
G. Davies - Imperial College London
P J. Dornan - Imperial College London
M. Girone - Imperial College London
R D. Hill - Imperial College London
N. Marinelli - Imperial College London
J. Nowell - Imperial College London
S A. Rutherford - Imperial College London
J K. Sedgbeer - Imperial College London
J C. Thompson - Imperial College London
R. White - Imperial College London
V M. Ghete
P. Girtler
E. Kneringer
D. Kuhn
G. Rudolph
E. Bouhova-Thacker - Lancaster University
C K. Bowdery - Lancaster University
D P. Clarke - Lancaster University
G. Ellis - Lancaster University
a J. Finch - Lancaster University
F. Foster - Lancaster University
G. Hughes - Lancaster University
R W L. Jones - Lancaster University
M R. Pearson - Lancaster University
N A. Robertson - Lancaster University
M. Smizanska - Lancaster University
O. van Der Aa - UCLouvain
C. Delaere - UCLouvain
V. Lemaitre - UCLouvain
U. Blumenschein - Johannes Gutenberg University Mainz
F. Holldorfer - Johannes Gutenberg University Mainz
K. Jakobs - Johannes Gutenberg University Mainz
F. Kayser - Johannes Gutenberg University Mainz
K. Kleinknecht - Johannes Gutenberg University Mainz
a S. Muller - Johannes Gutenberg University Mainz
B. Renk - Johannes Gutenberg University Mainz
H G. Sander - Johannes Gutenberg University Mainz
S. Schmeling - Johannes Gutenberg University Mainz
H. Wachsmuth - Johannes Gutenberg University Mainz
C. Zeitnitz - Johannes Gutenberg University Mainz
T. Ziegler - Johannes Gutenberg University Mainz
A. Bonissent - Centre de Gestion Scientifique
P. Coyle - Centre de Gestion Scientifique
C. Curtil - Centre de Gestion Scientifique
A. Ealet - Centre de Gestion Scientifique
D. Fouchez - Centre de Gestion Scientifique
P. Payre - Centre de Gestion Scientifique
A. Tilquin - Centre de Gestion Scientifique
F. Ragusa - University of Milan
A. David - Max Planck Innovation
H. Dietl - Max Planck Innovation
G. Ganis - Max Planck Innovation
K. Huttmann - Max Planck Innovation
G. Lutjens - Max Planck Innovation
W. Manner - Max Planck Innovation
H G. Moser - Max Planck Innovation
R. Settles - Max Planck Innovation
M. Villegas - Max Planck Innovation
G. Wolf - Max Planck Innovation
J. Boucrot - Université Paris Cité
O. Callot - Université Paris Cité
M. Davier - Université Paris Cité
L. Duflot - Université Paris Cité
J F. Grivaz - Université Paris Cité
P. Heusse - Université Paris Cité
A. Jacholkowska - Université Paris Cité
L. Serin - Université Paris Cité
J J. Veillet - Université Paris Cité
P. Azzurri
G. Bagliesi
T. Boccali
L. Foa
A. Giammanco
A. Giassi
F. Ligabue
A. Messineo
F. Palla
G. Sanguinetti
A. Sciaba
P. Spagnolo
R. Tenchini
A. Venturi
P G. Verdini
O. Awunor - University of London
G A. Blair - University of London
G. Cowan - University of London
A. Garcia-Bellido - University of London
M G. Green - University of London
L T. Jones - University of London
T. Medcalf - University of London
A. Misiejuk - University of London
J A. Strong - University of London
P. Teixeira-Dias - University of London
R W. Clifft - Rutherford Appleton Laboratory
T R. Edgecock - Rutherford Appleton Laboratory
P R. Norton - Rutherford Appleton Laboratory
I R. Tomalin - Rutherford Appleton Laboratory
J J. Ward - Rutherford Appleton Laboratory
B. Bloch-Devaux
D. Boumediene
P. Colas
B. Fabbro
E. Lancon
M C. Lemaire
E. Locci
P. Perez
J. Rander
B. Tuchming
B. Vallage
N. Konstantinidis - University of California, Santa Cruz
a M. Litke - University of California, Santa Cruz
G. Taylor - University of California, Santa Cruz
C N. Booth - University of Sheffield
S. Cartwright - University of Sheffield
F. Combley - University of Sheffield
P N. Hodgson - University of Sheffield
M H. Lehto - University of Sheffield
L F. Thompson - University of Sheffield
A. Bohrer
S. Brandt
C. Grupen
J. Hess
A. Ngac
G. Prange
C. Borean - University of Trieste
G. Giannini - University of Trieste
H. He - University of Washington
J. Putz - Seattle University
J E. Rothberg - Seattle University
S R. Armstrong - University of Wisconsin–Madison
K. Berkelman - University of Wisconsin–Madison
K. Cranmer - University of Wisconsin–Madison
D P S. Ferguson - University of Wisconsin–Madison
Y. Gao - University of Wisconsin–Madison
S. Gonzalez - University of Wisconsin–Madison
O J. Hayes - University of Wisconsin–Madison
H. Hu - University of Wisconsin–Madison
S. Jin - University of Wisconsin–Madison
J. Kile - University of Wisconsin–Madison
P A. Mcnamara - University of Wisconsin–Madison
J. Nielsen - University of Wisconsin–Madison
y B. Pan - University of Wisconsin–Madison
J H. von Wimmersperg-Toller
W. Wiedenmann - University of Wisconsin–Madison
J. Wu - University of Wisconsin–Madison
S L. Wu - University of Wisconsin–Madison
X. Wu - University of Wisconsin–Madison
G. Zobernig - University of Wisconsin–Madison
G. Dissertori
Publication Details: Physics Letters B, Vol.561, pp.213-224
Identifiers: 9935185909311
Academic Unit: Université de Montpellier
Language: English
Resource Type: Journal article
Local Fields: in2p3-00013718