Radiative decay width of the a2(1320)- meson Article

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Overview

abstract

• Coherent π π-π- production in the interactions of a beam of 600 GeV π- 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 ± 25 keV, which is the most precise measurement to date. © 2001 Elsevier Science B.V. All rights reserved.
• Coherent π%2bπ-π- production in the interactions of a beam of 600 GeV π- 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 ± 25 keV, which is the most precise measurement to date. © 2001 Elsevier Science B.V. All rights reserved.

authors

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

publication date

• 2001-01-01

funding provided via

• British Skin Foundation, BSF  Grant
• Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie, BMBWF  Grant
• Fundação de Amparo à Pesquisa do Estado de São Paulo, FAPESP  Grant
• Israel Academy of Sciences and Humanities  Grant
• Israel Science Foundation, ISF  Grant
• Istituto Nazionale di Fisica Nucleare, INFN  Grant
• National Science Foundation, NSF: 9602178  Grant
• North Atlantic Treaty Organization, NATO: CR6.941058-1360/94  Grant
• U.S. Department of Energy, USDOE: DE-AC02-76CHO3000, DE-FG02-91ER40664  Grant
• Universidad Autónoma de San Luis Potosí, UASLP  Grant

published in

• Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics  Journal

Research

keywords

• a2(1320); Primakoff effect; Radiative decay carbon; copper; lead; analytic method; article; electromagnetic radiation; molecular interaction; radiation physics

Identity

Digital Object Identifier (DOI)

• 10.1016/S0370-2693(01)01194-7

Additional Document Info

start page

• 171

end page

• 180

volume

• 521

issue

• 3-4