Measurement of φ meson parameters with CMD-2 detector at VEPP-2M collider

R. R. Akhmetshin, G. A. Aksenov, E. V. Anashkin, V. M. Aulchenko, B. O. Baibusinov, V. S. Banzarov, L. M. Barkov, S. E. Baru, A. E. Bondar, V. V. Danilov, S. I. Eidelman, G. V. Fedotovich, N. I. Gabyshev, A. A. Grebeniuk, D. N. Grigoriev, P. M. Ivanov, B. I. Khazin, I. A. Koop, A. S. Kuzmin, I. B. LogashenkoA. P. Lysenko, A. V. Maksimov, Yu I. Merzlyakov, V. A. Monitch, I. N. Nesterenko, V. S. Okhapkin, E. A. Perevedentsev, A. A. Polumin, E. V. Popkov, V. I. Ptitzyn, T. A. Purlats, S. I. Redin, N. I. Root, A. A. Ruban, N. M. Ryskulov, Yu M. Shatunov, A. E. Sher, M. A. Shubin, B. A. Shwartz, V. A. Sidorov, A. N. Skrinsky, V. P. Smakhtin, I. G. Snopkov, E. P. Solodov, A. I. Sukhanov, V. M. Titov, Yu V. Yudin, V. G. Zavarzin, D. H. Brown, J. P. Miller, B. L. Roberts, W. A. Worstell, J. A. Thompson, C. M. Valine, P. B. Cushman, S. K. Dhawan, V. W. Hughes

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Results of the measurement of the φ meson parameters with the general purpose detector CMD-2 at the upgraded e+e- collider VEPP-2M at Novosibirsk are presented. This is the first measurement of the four major φ decay modes in a single e+e- experiment. The results based on about 55,600 identified hadronic events are consistent with previous measurements, and have precision comparable to the current world average.

Original languageEnglish (US)
Pages (from-to)199-206
Number of pages8
JournalPhysics Letters B
Issue number3
StatePublished - Dec 21 1995

Bibliographical note

Funding Information:
The authorsa re gratefult o N.N. Achasov,V S. Fadin,V .N. IvanchenkoE,. A. Kuraev,a ndG .N. Shes-takovf or usefuld iscussions. We would like to thankJ .H. Herald,M .B. James, R.R. Rose,a ndU .Y. Washingtofno r helpw itht hep ro-ductiono f simulatedd ataa nd the technicalp erson-nel of VEPP-2M for them achinea ndd etectosr upport duringe xperimentarul ns. The presentw ork was supportedin partb y grants from the Russiang overnmenat,n df rom the govem-mento f theU nitedS tatesth roughg rantsfr om theD e-partmenotf Energya ndt heN ationaSl cienceF ounda-tion anda lsofrom the grantR PTOOOo f the Intema-tionalS cienceF oundation.


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