Search for the glueball candidates f<inf>0</inf>(1500) and f(j)(1710) in γγ collisions

R. Barate, D. Decamp, P. Ghez, C. Goy, J. P. Lees, E. Merle, M. N. Minard, B. Pietrzyk, R. Alemany, S. Bravo, M. P. Casado, M. Chmeissani, J. M. Crespo, E. Fernandez, M. Fernandez-Bosman, Ll Garrido, E. Graugès, A. Juste, M. Martinez, G. MerinoR. Miquel, Ll M. Mir, A. Pacheco, I. Riu, H. Ruiz, A. Colaleo, D. Creanza, M. De Palma, G. Iaselli, G. Maggi

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Abstract

Data taken with the ALEPH detector at LEP1 have been used to search for γγ production of the glueball candidates f0(1500) and f(J)(1710) via their decay to π+π-. No signal is observed and upper limits to the product of γγ width and π+ π- branching ratio of the f0(1500) and the f(J)(1710) have been measured to be Γ(γγ→f0(1500)) · BR(f0(1500) → π+π-) < 0.31 keV and Γ(γγ → f(J)(1710)) · BR(f(J)(1710) → π+π-) < 0.55 keV at 95% confidence level. (C) 2000 Elsevier Science B.V.
Original languageEnglish
Pages (from-to)189-199
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume472
Issue number1-2
DOIs
Publication statusPublished - 13 Jan 2000

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    Barate, R., Decamp, D., Ghez, P., Goy, C., Lees, J. P., Merle, E., Minard, M. N., Pietrzyk, B., Alemany, R., Bravo, S., Casado, M. P., Chmeissani, M., Crespo, J. M., Fernandez, E., Fernandez-Bosman, M., Garrido, L., Graugès, E., Juste, A., Martinez, M., ... Maggi, G. (2000). Search for the glueball candidates f<inf>0</inf>(1500) and f(j)(1710) in γγ collisions. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 472(1-2), 189-199. https://doi.org/10.1016/S0370-2693(99)01390-8