Radiative decay width of the a2(1320)âˆ’ meson

V.V Molchanov; G Alkhazov; A.G Atamantchouk; M.Y Balatz; N.F Bondar; D Casey; P.S Cooper; L.J Dauwe; G.V Davidenko; U Dersch; A.G Dolgolenko; G.B Dzyubenko; R Edelstein; L Emediato; A.M.F Endler; J Engelfried; I Eschrich; C.O Escobar; A.V Evdokimov; T Ferbel; I.S Filimonov; F.G Garcia; M Gaspero; I Giller; V.L Golovtsov; P Gouffon; E G; C Hammer; Kangling He; M Iori; S.Y Jun; M Kaya; J Kilmer; V.T Kim; L.M Kochenda; I Konorov; A.P Kozhevnikov; A.G Krivshich; H Kr; M.A Kubantsev; V.P Kubarovsky; A.I Kulyavtsev; N.P Kuropatkin; V.F Kurshetsov; A Kushnirenko; S Kwan; J Lach; A Lamberto; L.G Landsberg; I Larin; E.M Leikin; Yunshan Li; M Luksys; T Lungov; V.P Maleev; D Mao; Chensheng Mao; Zhenlin Mao; P Mathew; M Mattson; V Matveev; E McCliment; M.A Moinester; A Morelos; V.A Mukhin; K.D Nelson; A.V Nemitkin; P.V Neoustroev; C Newsom; A.P Nilov; S.B Nurushev; A Ocherashvili; Y Onel; E Ozel; S Ozkorucuklu; A Penzo; S.V Petrenko; P Pogodin; M Procario; V.A Prutskoi; E Ramberg; G.F Rappazzo; B.V Razmyslovich; V.I Rud; J Russ; P Schiavon; J Simon; A.I Sitnikov; D Skow; P Slattery; V.J Smith; M Srivastava; V Steiner; V Stepanov; L Stutte; M Svoiski; N.K Terentyev; G.P Thomas; L.N Uvarov; A.N Vasiliev; D.V Vavilov; V.S Verebryusov; V.A Victorov; V.E Vishnyakov; A.A Vorobyov; K Vorwalter; J You; Wenheng Zhao; Shuchen Zheng; Z.H Zhu; M Zielinski; R Zukanovich; SELEX Collaboration

doi:10.1016/S0370-2693(01)01194-7

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Radiative decay width of the a2(1320)âˆ’ meson

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Radiative decay width of the a2(1320)âˆ’ meson

V.V Molchanov, G Alkhazov, A.G Atamantchouk, M.Y Balatz, N.F Bondar, D Casey, P.S Cooper, L.J Dauwe, G.V Davidenko, U Dersch, …

Physics letters. B, Vol.521(4-Mar), pp.171-180

11/29/2001

DOI: 10.1016/S0370-2693(01)01194-7

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Abstract

Coherent π+π−π− production in the interactions of a beam of 600GeVπ− mesons with C, Cu and Pb nuclei has been studied with the SELEX facility (Experiment E781 at Fermilab). The a2(1320) meson signal has been detected in the Coulomb (low q2) region. The Primakoff formalism used to extract radiative decay width of this meson yields Γ=284±25±25keV, which is the most precise measurement to date.

Primakoff effect

Radiative decay

Details

Title: Subtitle: Radiative decay width of the a2(1320)âˆ’ meson
Creators: V.V Molchanov - Institute for High Energy Physics, Protvino, Russia
G Alkhazov - Petersburg Nuclear Physics Institute
A.G Atamantchouk - Petersburg Nuclear Physics Institute
M.Y Balatz - Institute of Theoretical and Experimental Physics, Moscow, Russia
N.F Bondar - Petersburg Nuclear Physics Institute
D Casey - University of Rochester
P.S Cooper - Fermi National Accelerator Laboratory
L.J Dauwe - University of Michigan–Flint
G.V Davidenko - Institute of Theoretical and Experimental Physics, Moscow, Russia
U Dersch - Max Planck Society
A.G Dolgolenko - Institute of Theoretical and Experimental Physics, Moscow, Russia
G.B Dzyubenko - Institute of Theoretical and Experimental Physics, Moscow, Russia
R Edelstein - Carnegie Mellon University
L Emediato - Universidade de São Paulo
A.M.F Endler - Centro Brasileiro de Pesquisas Fı́sicas, Rio de Janeiro, Brazil
J Engelfried - Fermi National Accelerator Laboratory
I Eschrich - Max Planck Society
C.O Escobar - Universidade de São Paulo
A.V Evdokimov - Institute of Theoretical and Experimental Physics, Moscow, Russia
T Ferbel - University of Rochester
I.S Filimonov - Moscow State University
F.G Garcia - Universidade de São Paulo
M Gaspero - Sapienza University of Rome
I Giller - Tel Aviv University
V.L Golovtsov - Petersburg Nuclear Physics Institute
P Gouffon - Universidade de São Paulo
E G - Boğaziçi University
C Hammer - University of Rochester
Kangling He - Institute of High Energy Physics, Beijing, PR China
M Iori - Sapienza University of Rome
S.Y Jun - Carnegie Mellon University
M Kaya - University of Iowa
J Kilmer - Fermi National Accelerator Laboratory
V.T Kim - Petersburg Nuclear Physics Institute
L.M Kochenda - Petersburg Nuclear Physics Institute
I Konorov - Max Planck Society
A.P Kozhevnikov - Institute for High Energy Physics, Protvino, Russia
A.G Krivshich - Petersburg Nuclear Physics Institute
H Kr - Max Planck Society
M.A Kubantsev - Institute of Theoretical and Experimental Physics, Moscow, Russia
V.P Kubarovsky - Institute for High Energy Physics, Protvino, Russia
A.I Kulyavtsev - Fermi National Accelerator Laboratory
N.P Kuropatkin - Petersburg Nuclear Physics Institute
V.F Kurshetsov - Institute for High Energy Physics, Protvino, Russia
A Kushnirenko - Carnegie Mellon University
S Kwan - Fermi National Accelerator Laboratory
J Lach - Fermi National Accelerator Laboratory
A Lamberto - University of Trieste
L.G Landsberg - Institute for High Energy Physics, Protvino, Russia
I Larin - Institute of Theoretical and Experimental Physics, Moscow, Russia
E.M Leikin - Moscow State University
Yunshan Li - Institute of High Energy Physics, Beijing, PR China
M Luksys - Universidade Federal da Paraíba
T Lungov - Universidade de São Paulo
V.P Maleev - Petersburg Nuclear Physics Institute
D Mao - Carnegie Mellon University
Chensheng Mao - Institute of High Energy Physics, Beijing, PR China
Zhenlin Mao - Institute of High Energy Physics, Beijing, PR China
P Mathew - Carnegie Mellon University
M Mattson - Carnegie Mellon University
V Matveev - Institute of Theoretical and Experimental Physics, Moscow, Russia
E McCliment - University of Iowa
M.A Moinester - Tel Aviv University
A Morelos - Universidad Autónoma de San Luis Potosí
V.A Mukhin - Institute for High Energy Physics, Protvino, Russia
K.D Nelson - University of Iowa
A.V Nemitkin - Moscow State University
P.V Neoustroev - Petersburg Nuclear Physics Institute
C Newsom - University of Iowa
A.P Nilov - Institute of Theoretical and Experimental Physics, Moscow, Russia
S.B Nurushev - Institute for High Energy Physics, Protvino, Russia
A Ocherashvili - Tel Aviv University
Y Onel - University of Iowa
E Ozel - University of Iowa
S Ozkorucuklu - University of Iowa
A Penzo - University of Trieste
S.V Petrenko - Institute for High Energy Physics, Protvino, Russia
P Pogodin - University of Iowa
M Procario - Carnegie Mellon University
V.A Prutskoi - Institute of Theoretical and Experimental Physics, Moscow, Russia
E Ramberg - Fermi National Accelerator Laboratory
G.F Rappazzo - University of Trieste
B.V Razmyslovich - Petersburg Nuclear Physics Institute
V.I Rud - Moscow State University
J Russ - Carnegie Mellon University
P Schiavon - University of Trieste
J Simon - Max Planck Society
A.I Sitnikov - Institute of Theoretical and Experimental Physics, Moscow, Russia
D Skow - Fermi National Accelerator Laboratory
P Slattery - University of Rochester
V.J Smith - University of Bristol
M Srivastava - Universidade de São Paulo
V Steiner - Tel Aviv University
V Stepanov - Petersburg Nuclear Physics Institute
L Stutte - Fermi National Accelerator Laboratory
M Svoiski - Petersburg Nuclear Physics Institute
N.K Terentyev - Petersburg Nuclear Physics Institute
G.P Thomas - Ball State University
L.N Uvarov - Petersburg Nuclear Physics Institute
A.N Vasiliev - Institute for High Energy Physics, Protvino, Russia
D.V Vavilov - Institute for High Energy Physics, Protvino, Russia
V.S Verebryusov - Institute of Theoretical and Experimental Physics, Moscow, Russia
V.A Victorov - Institute for High Energy Physics, Protvino, Russia
V.E Vishnyakov - Institute of Theoretical and Experimental Physics, Moscow, Russia
A.A Vorobyov - Petersburg Nuclear Physics Institute
K Vorwalter - Max Planck Society
J You - Fermi National Accelerator Laboratory
Wenheng Zhao - Institute of High Energy Physics, Beijing, PR China
Shuchen Zheng - Institute of High Energy Physics, Beijing, PR China
Z.H Zhu - University of Rochester
M Zielinski - University of Rochester
R Zukanovich - Universidade de São Paulo
SELEX Collaboration
Resource Type: Journal article
Publication Details: Physics letters. B, Vol.521(4-Mar), pp.171-180
DOI: 10.1016/S0370-2693(01)01194-7
ISSN: 0370-2693
eISSN: 1873-2445
Publisher: Elsevier B.V
Language: English
Date published: 11/29/2001
Academic Unit: Physics and Astronomy
Record Identifier: 9984199673502771

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