Physics Letters B 770 (2017) 418–425
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Physics Letters B
www.elsevier.com/locate/physletb
Measurement of the ω → π
+
π
−
π
0
Dalitz plot distribution
The WASA-at-COSY Collaboration
P. Adlarson
a,1
, W. Augustyniak
b
, W. Bardan
c
, M. Bashkanov
d
, F.S. Bergmann
e
,
M. Berłowski
f
, H. Bhatt
g
, A. Bondar
h,i
, M. Büscher
j,2,3
, H. Calén
a
, I. Ciepał
k
,
H. Clement
l,m
, E. Czerwi
´
nski
c
, K. Demmich
e
, R. Engels
j
, A. Erven
n
, W. Erven
n
,
W. Eyrich
o
, P. Fedorets
j,p
, K. Föhl
q
, K. Fransson
a
, F. Goldenbaum
j
, A. Goswami
j,r
,
K. Grigoryev
j,s,4
, C.-O. Gullström
a
, L. Heijkenskjöld
a,∗
, V. Hejny
j
, N. Hüsken
e
, L. Jarczyk
c
,
T. Johansson
a
, B. Kamys
c
, G. Kemmerling
n,5
, F.A. Khan
j
, G. Khatri
c,6
, A. Khoukaz
e
,
O. Khreptak
c
, D.A. Kirillov
t
, S. Kistryn
c
, H. Kleines
n,5
, B. Kłos
u
, W. Krzemie
´
n
f
,
P. Kulessa
k
, A. Kup
´
s
´
c
a,f
, A. Kuzmin
h,i
, K. Lalwani
v
, D. Lersch
j
, B. Lorentz
j
, A. Magiera
c
,
R. Maier
j,w
, P. Marciniewski
a
, B. Maria
´
nski
b
, H.-P. Morsch
b
, P. Moskal
c
, H. Ohm
j
,
E. Perez del Rio
l,m,7
, N.M. Piskunov
t
, D. Prasuhn
j
, D. Pszczel
a,f
, K. Pysz
k
, A. Pyszniak
a,c
,
J. Ritman
j,w,x
, A. Roy
r
, Z. Rudy
c
, O. Rundel
c
, S. Sawant
g,j,∗∗
, S. Schadmand
j
,
I. Schätti-Ozerianska
c
, T. Sefzick
j
, V. Serdyuk
j
, B. Shwartz
h,i
, K. Sitterberg
e
,
T. Skorodko
l,m,y
, M. Skurzok
c
, J. Smyrski
c
, V. Sopov
p
, R. Stassen
j
, J. Stepaniak
f
,
E. Stephan
u
, G. Sterzenbach
j
, H. Stockhorst
j
, H. Ströher
j,w
, A. Szczurek
k
, A. Trzci
´
nski
b
,
R. Varma
g
, M. Wolke
a
, A. Wro
´
nska
c
, P. Wüstner
n
, A. Yamamoto
z
, J. Zabierowski
aa
,
M.J. Zieli
´
nski
c
, J. Złoma
´
nczuk
a
, P.
˙
Zupra
´
nski
b
, M.
˙
Zurek
j
a
Division of Nuclear Physics, Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden
b
Department of Nuclear Physics, National Centre for Nuclear Research, ul. Hoza 69, 00-681, Warsaw, Poland
c
Institute of Physics, Jagiellonian University, prof. Stanisława Łojasiewicza 11, 30-348 Kraków, Poland
d
School of Physics and Astronomy, University of Edinburgh, James Clerk Maxwell Building, Peter Guthrie Tait Road, Edinburgh EH9 3FD, United Kingdom
e
Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Str. 9, 48149 Münster, Germany
f
High Energy Physics Department, National Centre for Nuclear Research, ul. Hoza 69, 00-681, Warsaw, Poland
g
Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India
h
Budker Institute of Nuclear Physics of SB RAS, 11 akademika Lavrentieva prospect, Novosibirsk, 630090, Russia
i
Novosibirsk State University, 2 Pirogova Str ., Novosibirsk, 630090, Russia
j
Institut für Kernphysik, Forschungszentrum Jülich, 52425 Jülich, Germany
k
The Henryk Niewodnicza´nski Institute of Nuclear Physics, Polish Academy of Sciences, 152 Radzikowskiego St, 31-342 Kraków, Poland
l
Physikalisches Institut, Eberhard-Karls-Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany
m
Kepler Center for Astro and Particle Physics, Eberhard Karls University Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany
n
Zentralinstitut für Engineering, Elektronik und Analytik, Forschungszentrum Jülich, 52425 Jülich, Germany
o
Physikalisches Institut, Friedrich-Alexander-Universität Erlangen–Nürnberg, Erwin-Rommel-Str. 1, 91058 Erlangen, Germany
p
Institute for Theoretical and Experimental Physics, State Scientific Center of the Russian Federation, Bolshaya Cheremushkinskaya 25, 117218 Moscow, Russia
q
II. Physikalisches Institut, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 16, 35392 Giessen, Germany
r
Department of Physics, Indian Institute of Technology Indore, Khandwa Road, Indore 452017, Madhya Pradesh, India
*
Corresponding author.
**
Corresponding author at: Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India.
E-mail
addresses: lena.heijkenskjold@physics.uu.se (L. Heijkenskjöld), siddhesh.sawant@iitb.ac.in (S. Sawant).
1
Present address: Institut für Kernphysik, Johannes-Gutenberg-Universität Mainz, Johann-Joachim-Becher Weg 45, 55128 Mainz, Germany.
2
Present address: Peter Grünberg Institut, PGI-6 Elektronische Eigenschaften, Forschungszentrum Jülich, 52425 Jülich, Germany.
3
Present address: Institut für Laser- und Plasmaphysik, Heinrich-Heine Universität Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany.
4
Present address: III. Physikalisches Institut B, Physikzentrum, RWTH Aachen, 52056 Aachen, Germany.
5
Present address: Jülich Centre for Neutron Science JCNS, Forschungszentrum Jülich, 52425 Jülich, Germany.
6
Present address: Department of Physics, Harvard University, 17 Oxford St., Cambridge, MA 02138, USA.
7
Present address: INFN, Laboratori Nazionali di Frascati, Via E. Fermi, 40, 00044 Frascati (Roma), Italy.
http://dx.doi.org/10.1016/j.physletb.2017.03.050
0370-2693/
© 2017 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by
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3
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