Determination of the Dalitz plot parameter α for the decay η → 3π⁰ with the Crystal Ball at MAMI-B

Unverzagt, M. and Aguar-Bartolome, P. and Ahrens, J. and Annand, J. R. M. and Arends, H. J. and Beck, R. and Bekrenev, V. and Boillat, B. and Braghieri, A. and Branford, D. and Briscoe, W. J. and Brudvik, J. W. and Cherepnya, S. and Codling, R. and Downie, E. J. and Fil`kov, L. V. and Glazier, D. I. and Gregor, R. and Heid, E. and Hornidge, D. and Jahn, O. and Kashevarov, V. L. and Kondratiev, R. and Korolija, M. and Kotulla, M. and Krambrich, D. and Krusche, B. and Lang, M. and Lisin, V. and Livingston, K. and Lugert, S. and MacGregor, I. J. D. and Manley, D. M. and Martinez-Fabregate, M. and McGeorge, J. C. and Mekterovic, D. and Metag, V. and Nefkens, B. M. K. and Nikolaev, A. and Novotny, R. and Owens, R. O. and Pedroni, P. and Polonski, A. and Prakhov, S. N. and Price, J. W. and Rosner, G. and Rost, M. and Rostomyan, T. and Schumann, S. and Sober, D. and Starostin, A. and Supek, I. and Tarbert, C. M. and Thomas, A. and Walcher, Th. and Watts, D. P. and Zehr, F.. (2009) Determination of the Dalitz plot parameter α for the decay η → 3π⁰ with the Crystal Ball at MAMI-B. The European physical journal. A, Hadrons and nuclei, Vol. 39, H. 2. pp. 169-177.

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Official URL: http://edoc.unibas.ch/dok/A5261911

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A precise measurement of the Dalitz plot parameter, alpha, for the eta -< 3 pi(0) decay is presented. The experiment was performed with the Crystal Ball and TAPS large-acceptance photon detectors at the tagged photon beam facility of the MAMI-B electron accelerator in Mainz. High statistics of 1.8.10(6) eta -< 3 pi(0) events were obtained, giving the result alpha = -0.032 +/- 0.002(stat) +/- 0.002(syst).
Faculties and Departments:05 Faculty of Science > Departement Physik > Former Organization Units Physics > Hadronenphysik (Krusche)
UniBasel Contributors:Krusche, Bernd
Item Type:Article, refereed
Article Subtype:Research Article
Note:Variant title: Determination of the Dalitz plot parameter alpha for the decay eta -< 3 pi(0) with the Crystal Ball at MAMI-B -- Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:26
Deposited On:22 Mar 2012 13:55

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