Abstract
The decay branching fractions of the three narrow υ resonances to μ+ μ- have been measured by analyzing about 4.3 fb-1 e+ e- data collected with the CLEO III detector. The branching fraction 25(υ(1S) → μ+ μ-) = (2.49 ± 0.02 ± 0.07)% is consistent with the current world average, but ℬ(υ(2S) → μ+ μ-) = (2.03 ± 0.03 ± 0.08)% and ℬ(υ(3S) → μ+ μ-) = (2.39 ± 0.07 ± 0.10)% are significantly larger than prior results. These new muonic branching fractions imply a narrower total decay width for the υ(2S) and υ(3S) resonances and lower other branching fractions that rely on these decays in their determination.
Original language | English (US) |
---|---|
Article number | 012001 |
Journal | Physical review letters |
Volume | 94 |
Issue number | 1 |
DOIs | |
State | Published - Jan 14 2005 |
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Measurement of the muonic branching fractions of the narrow upsilon resonances. / Adams, G. S.; Chasse, M.; Cravey, M.; Cummings, J. P.; Danko, I.; Napolitano, J.; Cronin-Hennessy, D.; Park, C. S.; Park, W.; Thayer, J. B.; Thorndike, E. H.; Coan, T. E.; Gao, Y. S.; Liu, F.; Stroynowski, R.; Artuso, M.; Boulahouache, C.; Blusk, S.; Butt, J.; Dambasuren, E.; Dorjkhaidav, O.; Menaa, N.; Mountain, R.; Muramatsu, H.; Nandakumar, R.; Redjimi, R.; Sia, R.; Skwarnicki, T.; Stone, S.; Wang, J. C.; Zhang, K.; Csorna, S. E.; Bonvicini, G.; Cinabro, D.; Dubrovin, M.; Bornheim, A.; Pappas, S. P.; Weinstein, A. J.; Briere, R. A.; Chen, G. P.; Ferguson, T.; Tatishvili, G.; Vogel, H.; Watkins, M. E.; Adam, N. E.; Alexander, J. P.; Berkelman, K.; Cassel, D. G.; Duboscq, J. E.; Ecklund, K. M.; Ehrlich, R.; Fields, L.; Galik, R. S.; Gibbons, L.; Gittelman, B.; Gray, R.; Gray, S. W.; Hartill, D. L.; Heltsley, B. K.; Hertz, D.; Hsu, L.; Jones, C. D.; Kandaswamy, J.; Kreinick, D. L.; Kuznetsov, V. E.; Mahlke-Krüger, H.; Meyer, T. O.; Onyisi, P. U.E.; Patterson, J. R.; Peterson, D.; Pivarski, J.; Riley, D.; Rosner, J. L.; Ryd, A.; Sadoff, A. J.; Schwarthoff, H.; Shepherd, M. R.; Sun, W. M.; Thayer, J. G.; Urner, D.; Wilksen, T.; Weinberger, M.; Athar, S. B.; Avery, P.; Breva-Newell, L.; Patel, R.; Potlia, V.; Stoeck, H.; Yelton, J.; Rubin, P.; Cawlfield, C.; Eisenstein, B. I.; Gollin, G. D.; Karliner, I.; Kim, D.; Lowrey, N.; Naik, P.; Sedlack, C.; Selen, M.; Thaler, Jon J; Williams, J.; Wiss, J.; Edwards, K. W.; Besson, D.; Gao, K. Y.; Gong, D. T.; Kubota, Y.; Lang, B. W.; Li, S. Z.; Poling, R.; Scott, A. W.; Smith, A.; Stepaniak, C. J.; Urheim, J.; Metreveli, Z.; Seth, K. K.; Tomaradze, A.; Zweber, P.; Ernst, J.; Mahmood, A. H.; Arms, K.; Gan, K. K.; Asner, D. M.; Dytman, S. A.; Mehrabyan, S.; Mueller, J. A.; Savinov, V.; Li, Z.; Lopez, A.; Mendez, H.; Ramirez, J.; Huang, G. S.; Miller, D. H.; Pavlunin, V.; Sanghi, B.; Shibata, E. I.; Shipsey, I. P.J.
In: Physical review letters, Vol. 94, No. 1, 012001, 14.01.2005.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Measurement of the muonic branching fractions of the narrow upsilon resonances
AU - Adams, G. S.
AU - Chasse, M.
AU - Cravey, M.
AU - Cummings, J. P.
AU - Danko, I.
AU - Napolitano, J.
AU - Cronin-Hennessy, D.
AU - Park, C. S.
AU - Park, W.
AU - Thayer, J. B.
AU - Thorndike, E. H.
AU - Coan, T. E.
AU - Gao, Y. S.
AU - Liu, F.
AU - Stroynowski, R.
AU - Artuso, M.
AU - Boulahouache, C.
AU - Blusk, S.
AU - Butt, J.
AU - Dambasuren, E.
AU - Dorjkhaidav, O.
AU - Menaa, N.
AU - Mountain, R.
AU - Muramatsu, H.
AU - Nandakumar, R.
AU - Redjimi, R.
AU - Sia, R.
AU - Skwarnicki, T.
AU - Stone, S.
AU - Wang, J. C.
AU - Zhang, K.
AU - Csorna, S. E.
AU - Bonvicini, G.
AU - Cinabro, D.
AU - Dubrovin, M.
AU - Bornheim, A.
AU - Pappas, S. P.
AU - Weinstein, A. J.
AU - Briere, R. A.
AU - Chen, G. P.
AU - Ferguson, T.
AU - Tatishvili, G.
AU - Vogel, H.
AU - Watkins, M. E.
AU - Adam, N. E.
AU - Alexander, J. P.
AU - Berkelman, K.
AU - Cassel, D. G.
AU - Duboscq, J. E.
AU - Ecklund, K. M.
AU - Ehrlich, R.
AU - Fields, L.
AU - Galik, R. S.
AU - Gibbons, L.
AU - Gittelman, B.
AU - Gray, R.
AU - Gray, S. W.
AU - Hartill, D. L.
AU - Heltsley, B. K.
AU - Hertz, D.
AU - Hsu, L.
AU - Jones, C. D.
AU - Kandaswamy, J.
AU - Kreinick, D. L.
AU - Kuznetsov, V. E.
AU - Mahlke-Krüger, H.
AU - Meyer, T. O.
AU - Onyisi, P. U.E.
AU - Patterson, J. R.
AU - Peterson, D.
AU - Pivarski, J.
AU - Riley, D.
AU - Rosner, J. L.
AU - Ryd, A.
AU - Sadoff, A. J.
AU - Schwarthoff, H.
AU - Shepherd, M. R.
AU - Sun, W. M.
AU - Thayer, J. G.
AU - Urner, D.
AU - Wilksen, T.
AU - Weinberger, M.
AU - Athar, S. B.
AU - Avery, P.
AU - Breva-Newell, L.
AU - Patel, R.
AU - Potlia, V.
AU - Stoeck, H.
AU - Yelton, J.
AU - Rubin, P.
AU - Cawlfield, C.
AU - Eisenstein, B. I.
AU - Gollin, G. D.
AU - Karliner, I.
AU - Kim, D.
AU - Lowrey, N.
AU - Naik, P.
AU - Sedlack, C.
AU - Selen, M.
AU - Thaler, Jon J
AU - Williams, J.
AU - Wiss, J.
AU - Edwards, K. W.
AU - Besson, D.
AU - Gao, K. Y.
AU - Gong, D. T.
AU - Kubota, Y.
AU - Lang, B. W.
AU - Li, S. Z.
AU - Poling, R.
AU - Scott, A. W.
AU - Smith, A.
AU - Stepaniak, C. J.
AU - Urheim, J.
AU - Metreveli, Z.
AU - Seth, K. K.
AU - Tomaradze, A.
AU - Zweber, P.
AU - Ernst, J.
AU - Mahmood, A. H.
AU - Arms, K.
AU - Gan, K. K.
AU - Asner, D. M.
AU - Dytman, S. A.
AU - Mehrabyan, S.
AU - Mueller, J. A.
AU - Savinov, V.
AU - Li, Z.
AU - Lopez, A.
AU - Mendez, H.
AU - Ramirez, J.
AU - Huang, G. S.
AU - Miller, D. H.
AU - Pavlunin, V.
AU - Sanghi, B.
AU - Shibata, E. I.
AU - Shipsey, I. P.J.
PY - 2005/1/14
Y1 - 2005/1/14
N2 - The decay branching fractions of the three narrow υ resonances to μ+ μ- have been measured by analyzing about 4.3 fb-1 e+ e- data collected with the CLEO III detector. The branching fraction 25(υ(1S) → μ+ μ-) = (2.49 ± 0.02 ± 0.07)% is consistent with the current world average, but ℬ(υ(2S) → μ+ μ-) = (2.03 ± 0.03 ± 0.08)% and ℬ(υ(3S) → μ+ μ-) = (2.39 ± 0.07 ± 0.10)% are significantly larger than prior results. These new muonic branching fractions imply a narrower total decay width for the υ(2S) and υ(3S) resonances and lower other branching fractions that rely on these decays in their determination.
AB - The decay branching fractions of the three narrow υ resonances to μ+ μ- have been measured by analyzing about 4.3 fb-1 e+ e- data collected with the CLEO III detector. The branching fraction 25(υ(1S) → μ+ μ-) = (2.49 ± 0.02 ± 0.07)% is consistent with the current world average, but ℬ(υ(2S) → μ+ μ-) = (2.03 ± 0.03 ± 0.08)% and ℬ(υ(3S) → μ+ μ-) = (2.39 ± 0.07 ± 0.10)% are significantly larger than prior results. These new muonic branching fractions imply a narrower total decay width for the υ(2S) and υ(3S) resonances and lower other branching fractions that rely on these decays in their determination.
UR - http://www.scopus.com/inward/record.url?scp=18144382664&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=18144382664&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.94.012001
DO - 10.1103/PhysRevLett.94.012001
M3 - Article
AN - SCOPUS:18144382664
VL - 94
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 1
M1 - 012001
ER -