A study of the D∗ content of jets at the CERN pp collider

C. Albajar,M.G. Albrow,O.C. Allkofer,B. Andrieu,K. Ankoviak,R.J. Apsimon,B. Aubert,C. Bacci,S. Bartha,G. Bauer,A. Bettini,A. Bezaguet,P. Biddulph,H. Bohn,A. Böhrer,R. Bonino,K. Bos,M. Botlo,D. Brockhausen,C. Buchanan,B. Buschbeck,G. Busetto,A. Caner,P. Casoli,H. Castilla-Valdez,F. Cavanna,P. Cennini,S. Centro,F. Ceradini,G. Ciapetti,Sergio Cittolin,E. Clayton,D. Cline,J. Colas,R. Conte,J. A. Coughlan,G. Cox,D. Dau,C. Daum,M. Della Negra,M. Demoulin,D. Denegri,H. Dibon,A. Diciaccio,F.J. Diez Hedo,L. Dobrzynski,J. Dorenbosch,J. D. Dowell,D. Drijard,K. Eggert,E. Eisenhandler,N. Ellis,H. Evans,H. Faissner,M. Felcini,I.F. Fensome,A. Ferrando,L. Fortson,T. Fuess,J. Garvey,A. Geiser,A. Givernaud,A. Gonidec,B. Gonzales,Jonathan M. Gregory,J. Gronberg,D. Holthuizen,M. Ikeda,W. Jank,G. Jorat,M. I. Josa,D. Joyce,P.I.P. Kalmus,V. Karimäki,I. R. Kenyon,A. Kernan,R. Kinnunen,Manfred Krammer,D. Kryn,Francesco Lacava,S. Lammel,Murrough Landon,Y. Lemoigne,S. Levegrun,M. Lindgren,D. Linglin,P. Lipa,C. Markou,M Markytan,M.A. Marquina,R. Martinelli,G. Maurin,S. McMahon,J.-P. Mendiburu,A. Meneguzzo,J.P. Merlo,T. Meyer,T. Moers,M. Mohammadi,K. Morgan,A. Morsch,A. Moulin,Th. Müller,R. Munoz,L. Naumann,P. Nedelec,M. Nikitas,A. Nisati,A. Norton,V. O'Dell,S. Otwinowski,G. Pancheri,M. Passaseo,F. Pauss,Emilio Petrolo,G. Piano Mortari,E. Pietarinen,M. Pimiä,A. Placci,L. Pontecorvo,J.-P. Porte,R. Prosi,E. Radermacher,M. Rauschkolb,H. Reithler,J.P. Revol,S. A. Robins,D. Robinson,T. Rodrigo,J. Rohlf,C. Rubbia,G. Sajot,J. Salicio,D. Samyn,D. Schinzel,M. Schröder,C. Seez,T P Shah,D. Smith,P. Sphicas,D. H. Stork,C. Stubenrauch,K. Sumorok,F. Szoncso,A. Taurok,L. Taylor,S. Tether,G. Thompson,E. Torrente-Lujan,H. Tuchscherer,J. Tuominiemi,W. van de Guchte,A. van Dijk,M. Vargas,Stefano Veneziano,J.P. Vialle,T. Virdee,W. von Schlippe,J. Vrana,V. Vuillemin,K. Wacker,Stephen Wimpenny,X. Wu,C.-E. Wulz,M. Yvert,I. Zacharov,Lucia Zanello,Y. Zolnierowski,P. Zotto

A study of the D∗ content of jets at the CERN pp collider

1990

C. Albajar
M.G. Albrow
O.C. Allkofer
B. Andrieu
K. Ankoviak
R.J. Apsimon
B. Aubert
C. Bacci
S. Bartha
G. Bauer
A. Bettini
A. Bezaguet
P. Biddulph
H. Bohn
A. Böhrer
R. Bonino
K. Bos
M. Botlo
D. Brockhausen
C. Buchanan
B. Buschbeck
G. Busetto
A. Caner
P. Casoli
H. Castilla-Valdez
F. Cavanna
P. Cennini
S. Centro
F. Ceradini
G. Ciapetti
Sergio Cittolin
E. Clayton
D. Cline
J. Colas
R. Conte
J. A. Coughlan
G. Cox
D. Dau
C. Daum
M. Della Negra
M. Demoulin
D. Denegri
H. Dibon
A. Diciaccio
F.J. Diez Hedo
L. Dobrzynski
J. Dorenbosch
J. D. Dowell
D. Drijard
K. Eggert
E. Eisenhandler
N. Ellis
H. Evans
H. Faissner
M. Felcini
I.F. Fensome
A. Ferrando
L. Fortson
T. Fuess
J. Garvey
A. Geiser
A. Givernaud
A. Gonidec
B. Gonzales
Jonathan M. Gregory
J. Gronberg
D. Holthuizen
M. Ikeda
W. Jank
G. Jorat
M. I. Josa
D. Joyce
P.I.P. Kalmus
V. Karimäki
I. R. Kenyon
A. Kernan
R. Kinnunen
Manfred Krammer
D. Kryn
Francesco Lacava
S. Lammel
Murrough Landon
Y. Lemoigne
S. Levegrun
M. Lindgren
D. Linglin
P. Lipa
C. Markou
M Markytan
M.A. Marquina
R. Martinelli
G. Maurin
S. McMahon
J.-P. Mendiburu
A. Meneguzzo
J.P. Merlo
T. Meyer
T. Moers
M. Mohammadi
K. Morgan
A. Morsch
A. Moulin
Th. Müller
R. Munoz
L. Naumann
P. Nedelec
M. Nikitas
A. Nisati
A. Norton
V. O'Dell
S. Otwinowski
G. Pancheri
M. Passaseo
F. Pauss
Emilio Petrolo
G. Piano Mortari
E. Pietarinen
M. Pimiä
A. Placci
L. Pontecorvo
J.-P. Porte
R. Prosi
E. Radermacher
M. Rauschkolb
H. Reithler
J.P. Revol
S. A. Robins
D. Robinson
T. Rodrigo
J. Rohlf
C. Rubbia
G. Sajot
J. Salicio
D. Samyn
D. Schinzel
M. Schröder
C. Seez
T P Shah
D. Smith
P. Sphicas
D. H. Stork
C. Stubenrauch
K. Sumorok
F. Szoncso
A. Taurok
L. Taylor
S. Tether
G. Thompson
E. Torrente-Lujan
H. Tuchscherer
J. Tuominiemi
W. van de Guchte
A. van Dijk
M. Vargas
Stefano Veneziano
J.P. Vialle
T. Virdee
W. von Schlippe
J. Vrana
V. Vuillemin
K. Wacker
Stephen Wimpenny
X. Wu
C.-E. Wulz
M. Yvert
I. Zacharov
Lucia Zanello
Y. Zolnierowski
P. Zotto

Abstract We have measured the rate of D ∗± meson production inside the jets produced in p p collisions at √ s = 630 GeV. For jets in the transverse energy range 15 E T ∗± per jet, which is in good agreement with perturbative QCD calculations. In addition, we find that the D ∗± fragmentation distribution is strongly peaked towards low z consistent with gluon splitting as the dominant production mechanism.

Keywords:

Quantum electrodynamics
Large Hadron Collider
Collider
Meson
Perturbative QCD
Nuclear physics
Particle physics
Physics
Gluon
meson production
Transverse plane
production rate

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