Journalartikel

Jahr der Veröffentlichung: 2001

Seiten: 365-371

Zeitschrift: The European Physical Journal A

Bandnummer: 10

Heftnummer: 3

ISSN: 1434-6001

eISSN: 1434-601X

DOI Link: https://doi.org/10.1007/s100500170120

Verlag: Springer

Abstract: 
Differential cross-sections for the reactions d(gamma,pi (o))d and d(gamma,pi (o))pn have been measured at MAMI with the TAPS detector setup in the energy range 140 MeV < E- < 306 MeV. By use of the Glasgow tagging spectrometer an 0.8 MeV energy resolution for photons incident on the target was achieved. The (o) missing energy resolution was sufficient for a reliable separation of coherent and incoherent channels. The data for the break-up channel exhibit very strong final state interaction effects, whereas the observed angular dependence of the inclusive process d(gamma, pi (o))X is in quantitative agreement with predictions for a quasi-free process. The observed absolute d(gamma, pi (o))X cross-sections, on, the other hand, are significantly smaller than predicted by the quasi-free process for E-gamma greater than or similar to 250 MeV. Associating this failure with the pi (o) photoproduction on the neutron would suggest that its cross-section is up to 25% below the presently believed value.

Harvard-Zitierstil: Siodlaczek, U., Achenbach, P., Ahrens, J., Annand, J., Arends, H., Beck, R., et al. (2001) Coherent and incoherent π⁰ photoproduction from the deuteron, The European Physical Journal A, 10(3), pp. 365-371. https://doi.org/10.1007/s100500170120

APA-Zitierstil: Siodlaczek, U., Achenbach, P., Ahrens, J., Annand, J., Arends, H., Beck, R., Bilger, R., Clement, H., Hejny, V., Kotulla, M., Krusche, B., Kuhr, V., Leukel, R., McGeorge, J., Metag, V., Novotny, R., de León, V., Rambo, F., Schepkin, M., ...Wolf, M. (2001). Coherent and incoherent π⁰ photoproduction from the deuteron. The European Physical Journal A. 10(3), 365-371. https://doi.org/10.1007/s100500170120