Autor: |
Achasov, M. N., Baru, S. E., Beloborodov, K. I., Berdyugin, A. V., Bogdanchikov, A. G., Bozhenok, A. V., Bukin, A. D., Bukin, D. A., Burdin, S. V., Dimova, T. V., Drozdetski, A. A., Druzhinin, V. P., Golubev, V. B., Ivanchenko, V. N., Ivanov, P. M., Koop, I. A., Korol, A. A., Korostelev, M. S., Koshuba, S. V., Otboev, A.V. |
Předmět: |
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Zdroj: |
AIP Conference Proceedings; 2002, Vol. 619 Issue 1, p721, 6p |
Abstrakt: |
We present results of studies e[sup +]e[sup -] → nγ cross section in the energy region &sradic; < 1.4 GeV performed in SND experiment at VEPP-2M e[sup +]e[sup -] collider. The following values for the decay probabilities were obtained Br(φ) → nγ) = (1.341±0.051). 10[sup -2], B(ω → nγ) = (4.22 ± 0.47 ± 0.17) ·t; 10[sup -4], and B(ρ → nγ) = (2.77 ± 0.26 ± 0.16) · 10[sup -4] for n → 3π[sup 0 ], &pi[sup 0] →γ γ decay mode. It was found that cross section of this process may be described by a sum of p, ω and φ) resonance contributions only. [ABSTRACT FROM AUTHOR] |
Databáze: |
Complementary Index |
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