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Measurement of the cross section for hard exclusive π0 muoproduction on the proton

Authors :
M.G. Alexeev
G.D. Alexeev
A. Amoroso
V. Andrieux
N.V. Anfimov
V. Anosov
A. Antoshkin
K. Augsten
W. Augustyniak
C.D.R. Azevedo
B. Badełek
F. Balestra
M. Ball
J. Barth
R. Beck
Y. Bedfer
J. Bernhard
M. Bodlak
P. Bordalo
F. Bradamante
A. Bressan
M. Büchele
V.E. Burtsev
W.-C. Chang
C. Chatterjee
M. Chiosso
A.G. Chumakov
S.-U. Chung
A. Cicuttin
M.L. Crespo
S. Dalla Torre
S.S. Dasgupta
S. Dasgupta
O.Yu. Denisov
L. Dhara
S.V. Donskov
N. Doshita
Ch. Dreisbach
W. Dünnweber
R.R. Dusaev
A. Efremov
P.D. Eversheim
M. Faessler
A. Ferrero
M. Finger
M. Finger, Jr.
H. Fischer
C. Franco
N. du Fresne von Hohenesche
J.M. Friedrich
V. Frolov
E. Fuchey
F. Gautheron
O.P. Gavrichtchouk
S. Gerassimov
J. Giarra
I. Gnesi
M. Gorzellik
A. Grasso
A. Gridin
M. Grosse Perdekamp
B. Grube
A. Guskov
D. Hahne
G. Hamar
D. von Harrach
R. Heitz
F. Herrmann
N. Horikawa
N. d'Hose
C.-Y. Hsieh
S. Huber
S. Ishimoto
A. Ivanov
T. Iwata
M. Jandek
V. Jary
R. Joosten
P. Jörg
K. Juraskova
E. Kabuß
F. Kaspar
A. Kerbizi
B. Ketzer
G.V. Khaustov
Yu.A. Khokhlov
Yu. Kisselev
F. Klein
J.H. Koivuniemi
V.N. Kolosov
K. Kondo Horikawa
I. Konorov
V.F. Konstantinov
A.M. Kotzinian
O.M. Kouznetsov
Z. Kral
M. Krämer
F. Krinner
Z.V. Kroumchtein
Y. Kulinich
F. Kunne
K. Kurek
R.P. Kurjata
A. Kveton
S. Levorato
Y.-S. Lian
J. Lichtenstadt
P.-J. Lin
R. Longo
V.E. Lyubovitskij
A. Maggiora
A. Magnon
N. Makins
N. Makke
G.K. Mallot
S.A. Mamon
B. Marianski
A. Martin
J. Marzec
J. Matoušek
T. Matsuda
G.V. Meshcheryakov
M. Meyer
W. Meyer
Yu.V. Mikhailov
M. Mikhasenko
E. Mitrofanov
N. Mitrofanov
Y. Miyachi
A. Moretti
C. Naim
A. Nagaytsev
D. Neyret
J. Nový
W.-D. Nowak
G. Nukazuka
A.S. Nunes
A.G. Olshevsky
M. Ostrick
D. Panzieri
B. Parsamyan
S. Paul
J.-C. Peng
F. Pereira
M. Pešek
D.V. Peshekhonov
M. Pešková
N. Pierre
S. Platchkov
J. Pochodzalla
V.A. Polyakov
J. Pretz
M. Quaresma
C. Quintans
S. Ramos
C. Regali
G. Reicherz
C. Riedl
D.I. Ryabchikov
A. Rybnikov
A. Rychter
V.D. Samoylenko
A. Sandacz
S. Sarkar
I.A. Savin
G. Sbrizzai
H. Schmieden
A. Selyunin
L. Silva
L. Sinha
M. Slunecka
J. Smolik
A. Srnka
D. Steffen
M. Stolarski
O. Subrt
M. Sulc
H. Suzuki
A. Szabelski
T. Szameitat
P. Sznajder
S. Tessaro
F. Tessarotto
A. Thiel
J. Tomsa
F. Tosello
V. Tskhay
S. Uhl
B.I. Vasilishin
A. Vauth
B.M. Veit
J. Veloso
A. Vidon
M. Virius
M. Wagner
S. Wallner
M. Wilfert
K. Zaremba
P. Zavada
M. Zavertyaev
E. Zemlyanichkina
Y. Zhao
M. Ziembicki
Source :
Physics Letters B, Vol 805, Iss , Pp - (2020)
Publication Year :
2020
Publisher :
Elsevier, 2020.

Abstract

We report on a measurement of hard exclusive π0 muoproduction on the proton by COMPASS using 160GeV/c polarised μ+ and μ− beams of the CERN SPS impinging on a liquid hydrogen target. From the average of the measured μ+ and μ− cross sections, the virtual-photon proton cross section is determined as a function of the squared four-momentum transfer between initial and final proton in the range 0.08(GeV/c)2

Details

Language :
English
ISSN :
03702693
Volume :
805
Issue :
-
Database :
Directory of Open Access Journals
Journal :
Physics Letters B
Publication Type :
Academic Journal
Accession number :
edsdoj.6e6c4bd89cae4a5bae9f4b4665b2cd21
Document Type :
article
Full Text :
https://doi.org/10.1016/j.physletb.2020.135454