We study the (1S) radiative decays to γπ+π- and γK+K- using data recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy e+e- collider at center-of-mass energies at the (2S) and (3S) resonances. The (1S) resonance is reconstructed from the decay (nS)→π+π-(1S), n=2, 3. Branching fraction measurements and spin-parity analyses of (1S) radiative decays are reported for the I=0 S-wave and f2(1270) resonances in the π+π- mass spectrum, the f2′(1525) and f0(1500) in the K+K- mass spectrum, and the f0(1710) in both.

Study of (1S) radiative decays to γπ+π- and γk+K- / Lees, J.P., Poireau, V., Tisserand, V., Grauges, E., Giannuzzi, F., Palano, A., Eigen, G., Brown, D.N., Kolomensky, Yu.G., Fritsch, M., Koch, H., Schroeder, T., Hearty, C., Mattison, T.S., Mckenna, J.A., So, R.Y., Blinov, V.E., Buzykaev, A.R., Druzhinin, V.P., Golubev, V.B., et al.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 97:11(2018). [10.1103/PhysRevD.97.112006]

Study of (1S) radiative decays to γπ+π- and γk+K-

Carpinelli, M.;
2018-01-01

Abstract

We study the (1S) radiative decays to γπ+π- and γK+K- using data recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy e+e- collider at center-of-mass energies at the (2S) and (3S) resonances. The (1S) resonance is reconstructed from the decay (nS)→π+π-(1S), n=2, 3. Branching fraction measurements and spin-parity analyses of (1S) radiative decays are reported for the I=0 S-wave and f2(1270) resonances in the π+π- mass spectrum, the f2′(1525) and f0(1500) in the K+K- mass spectrum, and the f0(1710) in both.
2018
Study of (1S) radiative decays to γπ+π- and γk+K- / Lees, J.P., Poireau, V., Tisserand, V., Grauges, E., Giannuzzi, F., Palano, A., Eigen, G., Brown, D.N., Kolomensky, Yu.G., Fritsch, M., Koch, H., Schroeder, T., Hearty, C., Mattison, T.S., Mckenna, J.A., So, R.Y., Blinov, V.E., Buzykaev, A.R., Druzhinin, V.P., Golubev, V.B., et al.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 97:11(2018). [10.1103/PhysRevD.97.112006]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11388/215510
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