Search for narrow dibaryon resonances in neutral pion photoproduction from the deuteron

Siodlaczek, U. and Achenbach, P. and Ahrens, J. and Arends, H. J. and Beck, R. and Bilger, R. and Clement, H. and Hejny, V. and Kellie, J. D. and Kotulla, M. and Krusche, B. and Kuhr, V. and Leukel, R. and McGeorge, J. C. and Metag, V. and Novotny, R. and de Leon, V. O. and Rambo, F. and Schepkin, M. and Schmidt, A. and Stroher, H. and Wagner, G. J. and Walcher, T. and Weiss, J. and Wissmann, F. and Wolf, M.. (2000) Search for narrow dibaryon resonances in neutral pion photoproduction from the deuteron. The European physical journal. A, Hadrons and nuclei, Vol. 9, H. 3. pp. 309-311.

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Official URL: http://edoc.unibas.ch/dok/A5261967

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Abstract

The reaction gammad -< pi X-0 has been measured with TAPS at MAMI in the energy range E-gamma = 140-300 MeV. Using the Glasgow tagging spectrometer a photon energy resolution of 0.8 MeV was achieved. The energy excitation functions of integral and differential total cross-sections show no structures of statistical significance < 2 sigma. Upper limits for the production of narrow isoscalar or isovector dibaryons with masses m less than or equal to 2100 MeV/c(2) were deduced. They are in the range 2-5 mub averaged over the 0.8 MeV energy resolution.

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
Publisher:	Springer-Verlag
ISSN:	1434-6001
Note:	Publication type according to Uni Basel Research Database: Journal article
Identification Number:	isi: 000166747200005 doi: 10.1007/s100500070015
Last Modified:	22 Mar 2012 14:26
Deposited On:	22 Mar 2012 13:55

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