Measurement of the cross-section for the process γγ → pp̄ at √see = 183 - 189 GeV at LEP: The OPAL collaboration

Giovanni Abbiendi,C. Ainsley,P. F. Åkesson,Gideon Alexander,J. Allison,P. Amaral,G. Anagnostou,K. J. Anderson,Silvia Arcelli,Shoji Asai,D. Axen,G. Azuelos,I. R. Bailey,E. L. Barberio,T. Barillari,Rj Barlow,Richard Batley,Philip Bechtle,T. Behnke,K. W. Bell,P. J. Bell,Gideon Bella,Alain Bellerive,G. Benelli,Siegfried Bethke,Otmar Biebel,I. J. Bloodworth,Oana Elena Vickey Boeriu,P. Bock,Daniele Bonacorsi,M. Boutemeur,S. Braibant,L. Brigliadori,R. M. Brown,K. Buesser,H.J. Burckhart,S. Campana,R. K. Carnegie,B. Caron,A. A. Carter,J. R. Carter,C. Y. Chang,David G. Charlton,A. Csilling,M. Cuffiani,Shlomo Dado,G. M. Dallavalle,S.J. Dallison,A. De Roeck,E. A. De Wolf,K. Desch,B. Dienes,M. Donkers,J. Dubbert,Ehud Duchovni,Guenter Duckeck,I. P. Duerdoth,E. Elfgren,Erez Etzion,F.L. Fabbri,L. Feld,P. Ferrari,Frank Fiedler,Ivor Fleck,M. Ford,A. Frey,A. Fürtjes,Pauline Gagnon,J. W. Gary,G. Gaycken,Christoph Geich-Gimbel,G. Giacomelli,Paolo Giacomelli,M. Giunta,J. Goldberg,E. Gross,J. Grunhaus,M. Gruwe,P. O. Günther,A. Gupta,C. Hajdu,M. Hamann,Gail Hanson,K. Harder,A. Harel,M. Harin-Dirac,M. Hauschild,J. Hauschildt,C. M. Hawkes,R. J. Hawkings,R.J. Hemingway,C. Hensel,Gregor Herten,R.-D. Heuer,J. C. Hill,Kara Dion Hoffman,R. J. Homer,D. Horvath,R. Howard,P. Hüntemeyer,P. Igo-Kemenes,K. Ishii,H. Jeremie,P Jovanovic,T. R. Junk,N. Kanaya,J. Kanzaki,G. Karapetian,D. Karlen,V. Kartvelishvili,Kiyotomo Kawagoe,T. Kawamoto,R. K. Keeler,R. G. Kellogg,B. W. Kennedy,D. H. Kim,K. Klein,A. Klier,Stefan Kluth,T. Kobayashi,M. Kobel,Sachio Komamiya,L. L. Kormos,R. Kowalewski,T. Krämer,T. Kress,Peter Krieger,J. von Krogh,D Krop,K. Kruger,M. Kupper,G. D. Lafferty,H. Landsman,D. Lanske,J. G. Layter,A. Leins,Daniel Lellouch,J. Letts,Lorne Levinson,J. Lillich,S. L. Lloyd,Fred Loebinger,J. Lu,J. Ludwig,A. Macpherson,W. Mader,Stefano Marcellini,T. E. Marchant,A.J. Martin,J.P. Martin,G. Masetti,Tetsuro Mashimo,P. Mättig,W. J. McDonald,Ja Mckenna,T. J. McMahon,R.A. McPherson,F. Meijers,P. Mendez-Lorenzo,W. Menges,F. S. Merritt,H. Mes,A. Michelini,S. Mihara,Giora Mikenberg,D.J. Miller,S. Moed,W. Mohr,Tatsuya Mori,A. Mutter,K Nagai,I. Nakamura,H.A. Neal,R. Nisius,S. W. ONeale,Alexander Oh,A. Okpara,M. J. Oreglia,S. Orito,Christoph Pahl,G. Pásztor,J. R. Pater,G. N. Patrick,J. E. Pilcher,J. L. Pinfold,D. E. Plane,B. Poli,J. Polok,O. Pooth,M. Przybycieá,Arnulf Quadt,K. Rabbertz,Christoph Rembser,P. Renkel,H. Rick,Jm Roney,S. Rosati,Yoram Rozen,K. Runge,K. Sachs,Takayuki Saeki,O. Sahr,Edward K. G. Sarkisyan,A. D. Schaile,O. Schaile,P. Scharff-Hansen,Jochen Schieck,T. Schoerner-Sadenius,M. Schröder,M. Schumacher,C. Schwick,W. G. Scott,R. Seuster,Tara Shears,B. C. Shen,C. H. Shepherd-Themistocleous,Peter Sherwood,G. P. Siroli,A. Skuja,A.M. Smith,R. J. Sobie,S. Söldner-Rembold,S. Spagnolo,F. Spanò,Achim Stahl,K. Stephens,Derek Strom,R. Ströhmer,Shlomit Tarem,M. Tasevsky,Richard J. K. Taylor,R. Teuscher,Mark Thomson,E. Torrence,D. Toya,P. Tran,T. Trefzger,A. Tricoli,I. M. Trigger,Zoltan Laszlo Trocsanyi,E. Tsur,M. F. Turner-Watson,I Ueda,Balazs Ujvari,B. Vachon,C. F. Vollmer,P. Vannerem,M. Verzocchi,H. Voss,J. H. Vossebeld,D. Waller,C.P. Ward,D.R. Ward,P. M. Watkins,Alan Watson,N. K. Watson,P. S. Wells,Thorsten Wengler,Norbert Wermes,D. Wetterling,G. W. Wilson,J. A. Wilson,G. Wolf,T. R. Wyatt,Satoru Yamashita,D. Zer-Zion,Lidija Živković

Measurement of the cross-section for the process γγ → pp̄ at √see = 183 - 189 GeV at LEP: The OPAL collaboration

2003

Giovanni Abbiendi
C. Ainsley
P. F. Åkesson
Gideon Alexander
J. Allison
P. Amaral
G. Anagnostou
K. J. Anderson
Silvia Arcelli
Shoji Asai
D. Axen
G. Azuelos
I. R. Bailey
E. L. Barberio
T. Barillari
Rj Barlow
Richard Batley
Philip Bechtle
T. Behnke
K. W. Bell
P. J. Bell
Gideon Bella
Alain Bellerive
G. Benelli
Siegfried Bethke
Otmar Biebel
I. J. Bloodworth
Oana Elena Vickey Boeriu
P. Bock
Daniele Bonacorsi
M. Boutemeur
S. Braibant
L. Brigliadori
R. M. Brown
K. Buesser
H.J. Burckhart
S. Campana
R. K. Carnegie
B. Caron
A. A. Carter
J. R. Carter
C. Y. Chang
David G. Charlton
A. Csilling
M. Cuffiani
Shlomo Dado
G. M. Dallavalle
S.J. Dallison
A. De Roeck
E. A. De Wolf
K. Desch
B. Dienes
M. Donkers
J. Dubbert
Ehud Duchovni
Guenter Duckeck
I. P. Duerdoth
E. Elfgren
Erez Etzion
F.L. Fabbri
L. Feld
P. Ferrari
Frank Fiedler
Ivor Fleck
M. Ford
A. Frey
A. Fürtjes
Pauline Gagnon
J. W. Gary
G. Gaycken
Christoph Geich-Gimbel
G. Giacomelli
Paolo Giacomelli
M. Giunta
J. Goldberg
E. Gross
J. Grunhaus
M. Gruwe
P. O. Günther
A. Gupta
C. Hajdu
M. Hamann
Gail Hanson
K. Harder
A. Harel
M. Harin-Dirac
M. Hauschild
J. Hauschildt
C. M. Hawkes
R. J. Hawkings
R.J. Hemingway
C. Hensel
Gregor Herten
R.-D. Heuer
J. C. Hill
Kara Dion Hoffman
R. J. Homer
D. Horvath
R. Howard
P. Hüntemeyer
P. Igo-Kemenes
K. Ishii
H. Jeremie
P Jovanovic
T. R. Junk
N. Kanaya
J. Kanzaki
G. Karapetian
D. Karlen
V. Kartvelishvili
Kiyotomo Kawagoe
T. Kawamoto
R. K. Keeler
R. G. Kellogg
B. W. Kennedy
D. H. Kim
K. Klein
A. Klier
Stefan Kluth
T. Kobayashi
M. Kobel
Sachio Komamiya
L. L. Kormos
R. Kowalewski
T. Krämer
T. Kress
Peter Krieger
J. von Krogh
D Krop
K. Kruger
M. Kupper
G. D. Lafferty
H. Landsman
D. Lanske
J. G. Layter
A. Leins
Daniel Lellouch
J. Letts
Lorne Levinson
J. Lillich
S. L. Lloyd
Fred Loebinger
J. Lu
J. Ludwig
A. Macpherson
W. Mader
Stefano Marcellini
T. E. Marchant
A.J. Martin
J.P. Martin
G. Masetti
Tetsuro Mashimo
P. Mättig
W. J. McDonald
Ja Mckenna
T. J. McMahon
R.A. McPherson
F. Meijers
P. Mendez-Lorenzo
W. Menges
F. S. Merritt
H. Mes
A. Michelini
S. Mihara
Giora Mikenberg
D.J. Miller
S. Moed
W. Mohr
Tatsuya Mori
A. Mutter
K Nagai
I. Nakamura
H.A. Neal
R. Nisius
S. W. ONeale
Alexander Oh
A. Okpara
M. J. Oreglia
S. Orito
Christoph Pahl
G. Pásztor
J. R. Pater
G. N. Patrick
J. E. Pilcher
J. L. Pinfold
D. E. Plane
B. Poli
J. Polok
O. Pooth
M. Przybycieá
Arnulf Quadt
K. Rabbertz
Christoph Rembser
P. Renkel
H. Rick
Jm Roney
S. Rosati
Yoram Rozen
K. Runge
K. Sachs
Takayuki Saeki
O. Sahr
Edward K. G. Sarkisyan
A. D. Schaile
O. Schaile
P. Scharff-Hansen
Jochen Schieck
T. Schoerner-Sadenius
M. Schröder
M. Schumacher
C. Schwick
W. G. Scott
R. Seuster
Tara Shears
B. C. Shen
C. H. Shepherd-Themistocleous
Peter Sherwood
G. P. Siroli
A. Skuja
A.M. Smith
R. J. Sobie
S. Söldner-Rembold
S. Spagnolo
F. Spanò
Achim Stahl
K. Stephens
Derek Strom
R. Ströhmer
Shlomit Tarem
M. Tasevsky
Richard J. K. Taylor
R. Teuscher
Mark Thomson
E. Torrence
D. Toya
P. Tran
T. Trefzger
A. Tricoli
I. M. Trigger
Zoltan Laszlo Trocsanyi
E. Tsur
M. F. Turner-Watson
I Ueda
Balazs Ujvari
B. Vachon
C. F. Vollmer
P. Vannerem
M. Verzocchi
H. Voss
J. H. Vossebeld
D. Waller
C.P. Ward
D.R. Ward
P. M. Watkins
Alan Watson
N. K. Watson
P. S. Wells
Thorsten Wengler
Norbert Wermes
D. Wetterling
G. W. Wilson
J. A. Wilson
G. Wolf
T. R. Wyatt
Satoru Yamashita
D. Zer-Zion
Lidija Živković

The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons has been studied using data taken at \(\sqrt{s_{ee}} = 183 \) GeV and 189 GeV with the OPAL detector at LEP. Results are presented for \(p\bar{p}\) invariant masses, W, in the range 2.15

Keywords:

Particle physics
Physics

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