Acciarri, M. ; Achard, P. ; Adriani, O. ; Aguilar-Benitez, M. ; Gurtu, A. ; et., al (1993) Measurement of ηc production in untagged two-photon collisions at LEP Physics Letters B, 318 (3). pp. 575-582. ISSN 0370-2693
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0370-2693(93)91558-5
Abstract
A study of twelve distinct decay channels of the ηc has been performed with the L3 detector at LEP, for an integrated luminosity of 30 pb-1. Summing all channels, 28 candidate events have been identified, with an estimated background of 11 events. The two-photon radiative width is evaluated to be Γγγ(ηc)= 8.0 ±2.3 ±2.4 keV.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 84332 |
| Deposited On: | 25 Feb 2012 05:06 |
| Last Modified: | 25 Feb 2012 05:06 |
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