Study of the Form Factor $$\gamma {\text{*}}\omega {{\pi }^{0}}$$ Using the SND Detector
| Autor: | K. V. Pugachev, V. P. Druzhinin, A. A. Botov, A. A. Baikov, S. I. Serednyakov, E. V. Pakhtusova, Yu. V. Usov, L. V. Kardapoltsev, N. Yu. Muchnoi, M. N. Achasov, I. K. Surin, Alexey Kharlamov, V. B. Golubev, Alexander Bogdanchikov, Konstantin Beloborodov, K. A. Martin, V. V. Zhulanov, A. S. Kupich, A. V. Berdyugin, A. E. Obrazovskii, V. N. Zhabin, Aleksandr Korol, D. A. Shtol, D. P. Kovrizhin, Z. K. Silagadze, Y. S. Savchenko, T. V. Dimova, A. Yu. Barnyakov, N. A. Melnikova |
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| Rok vydání: | 2021 |
| Předmět: |
010302 applied physics
Physics Particle physics Physics::Instrumentation and Detectors Form factor (quantum field theory) Vector meson dominance 01 natural sciences Omega Electronic Optical and Magnetic Materials 010309 optics 0103 physical sciences Pi High Energy Physics::Experiment Nuclear Experiment |
| Zdroj: | Bulletin of the Lebedev Physics Institute. 48:87-91 |
| ISSN: | 1934-838X 1068-3356 |
| Popis: | In this paper, we present the form factor $$\gamma {\text{*}}\omega {{\pi }^{0}}$$ measurement in the virtual photon mass range 1 GeV < $$\sqrt {{{q}^{2}}} $$ < 2 GeV in the $${{e}^{ + }}{{e}^{ - }} \to \omega {{\pi }^{0}} \to {{\pi }^{ + }}{{\pi }^{ - }}{{\pi }^{0}}{{\pi }^{0}}$$ process. Measurements are based on the data acquired by the SND detector at the VEPP-2000 $${{e}^{ + }}{{e}^{ - }}$$ collider in Novosibirsk. The obtained form factor is approximated in the vector meson dominance (VMD) model. The joint fitting of the form factor obtained in the SND and NA60 experiments is also performed. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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