Study of the process e + e − → π + π − η using initial state radiation

We study the process e+e−→π+π−ηγ, where the photon is radiated from the initial state. About 8000 fully reconstructed events of this process are selected from the BABAR data sample with an integrated luminosity of 469  fb−1. Using the π+π−η invariant mass spectrum, we measure the e+e−→π+π−η cross se...

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Bibliographic Details
Published in:Physical review. D 2018-03, Vol.97 (5), Article 052007
Main Authors: Tisserand, V., Grauges, E., Palano, A., Eigen, G., Brown, D. N., Fritsch, M., Hearty, C., Mattison, T. S., So, R. Y., Blinov, V. E., Buzykaev, A. R., Kravchenko, E. A., Lankford, A. J., Gary, J. W., Long, O., Eisner, A. M., Panduro Vazquez, W., Flood, K. T., Hitlin, D. G., Li, Y., Ongmongkolkul, P., Röhrken, M., Smith, J. G., Bernard, D., Luppi, E., Santoro, V., de Sangro, R., Finocchiaro, G., Piccolo, M., Rotondo, M., Zallo, A., Passaggio, S., Lacker, H. M., Mallik, U., Chen, C., Prell, S., Arnaud, N., Le Diberder, F., Wright, D. M., Hutchcroft, D. E., Payne, D. J., Bevan, A. J., Sacco, R., Cowan, G., Banerjee, Sw, Davis, C. L., Denig, A. G., Lafferty, G. D., Jawahery, A., Roberts, D. A., Cowan, R., Cheaib, R., Cremaldi, L., Summers, D. J., Taras, P., Sciacca, C., Stroili, R., Bomben, M., Bonneaud, G. R., Marchiori, G., Manoni, E., Rama, M., Walsh, J. J., Zani, L., Smith, A. J. S., Ferrarotto, F., Ferroni, F., Piredda, G., Voß, C., Adye, T., Vasseur, G., Aston, D., Dorfan, J., Field, R. C., Innes, W. R., Luitz, S., MacFarlane, D. B., Muller, D. R., Neal, H., Sullivan, M. K., Va’vra, J., Purohit, M. V., Bellis, M., Puccio, E. M. T., Alam, M. S., Peimer, D. R., Spanier, S. M., Schwitters, R. F., Lou, X. C., De Mori, F., Oyanguren, A., Beaulieu, A., King, G. J., Kowalewski, R., Nugent, I. M., Roney, J. M., Tasneem, N., Gershon, T. J., Latham, T. E., Prepost, R.
Format: Article
Language:English
Subjects:
branching fraction
Cross-sections
Hadronic decays
Luminosity
particle interactions
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
quantum electrodynamics
Vector mesons
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