Measurement of γγ widths of charmonium states

W. Y. Chen, R. L. McIlwain, D. H. Miller, C. R. Ng, S. F. Schaffner, E. I. Shibata, W. M. Yao, K. Sparks, E. H. Thorndike, C. H. Wang, M. S. Alam, I. J. Kim, W. C. Li, X. C. Lou, C. R. Sun, P. N. Wang, M. I. Zoeller, D. Bortoletto, M. Goldberg, N. HorwitzV. Jain, M. D. Mestayer, G. C. Moneti, V. Sharma, I. P J Shipsey, Tomasz Skwarnicki, M. Thulasidas, S. E. Csorna, T. Letson, J. Alexander, Marina Artuso, C. Bebek, K. Berkelman, D. G. Cassel, E. Cheu, D. M. Coffman, G. Crawford, J. W. DeWire, P. S. Dell, R. Ehrlich, R. S. Galik, B. Gittlman, S. W. Gray, A. M. Halling, D. L. Hartill, B. K. Heltsley, J. Kandaswamy, N. Katayama, D. L. Kreinick, J. D. Lewis, N. B. Mistry, J. Mueller, R. Namjoshi, S. Nandi, E. Nordberg, C. O'Grady, D. Peterson, M. Pisharody, D. Riley, M. Sapper, A. Silverman, Sheldon Stone, H. Worden, M. Worris, A. J. Sadoff, P. Avery, D. Besson, L. Garren, J. Yelton, T. Bowcock, K. Kinoshita, F. M. Pipkin, M. Procario, Richard Wilson, J. Wolinski, D. Xiao, R. Ammar, P. Baringer, D. Coppage, P. Haas, Ha Lam, A. Jawahery, C. H. Park, Y. Kubota, J. K. Nelson, D. Perticone, R. Poling, R. Fulton, M. Hempstead, T. Jensen, D. R. Johnson, H. Kagan, R. Kass, F. Morrow, J. Whitmore, P. Wilson

Research output: Contribution to journalArticle

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Abstract

Using the CLEO detector at the Cornell Electron Storage Ring, we have searched for two-photon production of charmonium in four-track final states. We have measured Γγγc)=5.9+2.1 -1.8±1.9 keV, and we have obtained 95% CL upper limits of Γγγ(Xc0)<6.2 keV and Γγγ(Xc2)<1.0 keV.

Original languageEnglish (US)
Pages (from-to)169-174
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume243
Issue number1-2
DOIs
StatePublished - Jun 21 1990

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photons
electrons

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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Chen, W. Y., McIlwain, R. L., Miller, D. H., Ng, C. R., Schaffner, S. F., Shibata, E. I., ... Wilson, P. (1990). Measurement of γγ widths of charmonium states. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 243(1-2), 169-174. https://doi.org/10.1016/0370-2693(90)90975-C

Measurement of γγ widths of charmonium states. / Chen, W. Y.; McIlwain, R. L.; Miller, D. H.; Ng, C. R.; Schaffner, S. F.; Shibata, E. I.; Yao, W. M.; Sparks, K.; Thorndike, E. H.; Wang, C. H.; Alam, M. S.; Kim, I. J.; Li, W. C.; Lou, X. C.; Sun, C. R.; Wang, P. N.; Zoeller, M. I.; Bortoletto, D.; Goldberg, M.; Horwitz, N.; Jain, V.; Mestayer, M. D.; Moneti, G. C.; Sharma, V.; Shipsey, I. P J; Skwarnicki, Tomasz; Thulasidas, M.; Csorna, S. E.; Letson, T.; Alexander, J.; Artuso, Marina; Bebek, C.; Berkelman, K.; Cassel, D. G.; Cheu, E.; Coffman, D. M.; Crawford, G.; DeWire, J. W.; Dell, P. S.; Ehrlich, R.; Galik, R. S.; Gittlman, B.; Gray, S. W.; Halling, A. M.; Hartill, D. L.; Heltsley, B. K.; Kandaswamy, J.; Katayama, N.; Kreinick, D. L.; Lewis, J. D.; Mistry, N. B.; Mueller, J.; Namjoshi, R.; Nandi, S.; Nordberg, E.; O'Grady, C.; Peterson, D.; Pisharody, M.; Riley, D.; Sapper, M.; Silverman, A.; Stone, Sheldon; Worden, H.; Worris, M.; Sadoff, A. J.; Avery, P.; Besson, D.; Garren, L.; Yelton, J.; Bowcock, T.; Kinoshita, K.; Pipkin, F. M.; Procario, M.; Wilson, Richard; Wolinski, J.; Xiao, D.; Ammar, R.; Baringer, P.; Coppage, D.; Haas, P.; Lam, Ha; Jawahery, A.; Park, C. H.; Kubota, Y.; Nelson, J. K.; Perticone, D.; Poling, R.; Fulton, R.; Hempstead, M.; Jensen, T.; Johnson, D. R.; Kagan, H.; Kass, R.; Morrow, F.; Whitmore, J.; Wilson, P.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 243, No. 1-2, 21.06.1990, p. 169-174.

Research output: Contribution to journalArticle

Chen, WY, McIlwain, RL, Miller, DH, Ng, CR, Schaffner, SF, Shibata, EI, Yao, WM, Sparks, K, Thorndike, EH, Wang, CH, Alam, MS, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Wang, PN, Zoeller, MI, Bortoletto, D, Goldberg, M, Horwitz, N, Jain, V, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Thulasidas, M, Csorna, SE, Letson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeWire, JW, Dell, PS, Ehrlich, R, Galik, RS, Gittlman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Katayama, N, Kreinick, DL, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, R, Wolinski, J, Xiao, D, Ammar, R, Baringer, P, Coppage, D, Haas, P, Lam, H, Jawahery, A, Park, CH, Kubota, Y, Nelson, JK, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J & Wilson, P 1990, 'Measurement of γγ widths of charmonium states', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 243, no. 1-2, pp. 169-174. https://doi.org/10.1016/0370-2693(90)90975-C
Chen, W. Y. ; McIlwain, R. L. ; Miller, D. H. ; Ng, C. R. ; Schaffner, S. F. ; Shibata, E. I. ; Yao, W. M. ; Sparks, K. ; Thorndike, E. H. ; Wang, C. H. ; Alam, M. S. ; Kim, I. J. ; Li, W. C. ; Lou, X. C. ; Sun, C. R. ; Wang, P. N. ; Zoeller, M. I. ; Bortoletto, D. ; Goldberg, M. ; Horwitz, N. ; Jain, V. ; Mestayer, M. D. ; Moneti, G. C. ; Sharma, V. ; Shipsey, I. P J ; Skwarnicki, Tomasz ; Thulasidas, M. ; Csorna, S. E. ; Letson, T. ; Alexander, J. ; Artuso, Marina ; Bebek, C. ; Berkelman, K. ; Cassel, D. G. ; Cheu, E. ; Coffman, D. M. ; Crawford, G. ; DeWire, J. W. ; Dell, P. S. ; Ehrlich, R. ; Galik, R. S. ; Gittlman, B. ; Gray, S. W. ; Halling, A. M. ; Hartill, D. L. ; Heltsley, B. K. ; Kandaswamy, J. ; Katayama, N. ; Kreinick, D. L. ; Lewis, J. D. ; Mistry, N. B. ; Mueller, J. ; Namjoshi, R. ; Nandi, S. ; Nordberg, E. ; O'Grady, C. ; Peterson, D. ; Pisharody, M. ; Riley, D. ; Sapper, M. ; Silverman, A. ; Stone, Sheldon ; Worden, H. ; Worris, M. ; Sadoff, A. J. ; Avery, P. ; Besson, D. ; Garren, L. ; Yelton, J. ; Bowcock, T. ; Kinoshita, K. ; Pipkin, F. M. ; Procario, M. ; Wilson, Richard ; Wolinski, J. ; Xiao, D. ; Ammar, R. ; Baringer, P. ; Coppage, D. ; Haas, P. ; Lam, Ha ; Jawahery, A. ; Park, C. H. ; Kubota, Y. ; Nelson, J. K. ; Perticone, D. ; Poling, R. ; Fulton, R. ; Hempstead, M. ; Jensen, T. ; Johnson, D. R. ; Kagan, H. ; Kass, R. ; Morrow, F. ; Whitmore, J. ; Wilson, P. / Measurement of γγ widths of charmonium states. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1990 ; Vol. 243, No. 1-2. pp. 169-174.
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TY - JOUR

T1 - Measurement of γγ widths of charmonium states

AU - Chen, W. Y.

AU - McIlwain, R. L.

AU - Miller, D. H.

AU - Ng, C. R.

AU - Schaffner, S. F.

AU - Shibata, E. I.

AU - Yao, W. M.

AU - Sparks, K.

AU - Thorndike, E. H.

AU - Wang, C. H.

AU - Alam, M. S.

AU - Kim, I. J.

AU - Li, W. C.

AU - Lou, X. C.

AU - Sun, C. R.

AU - Wang, P. N.

AU - Zoeller, M. I.

AU - Bortoletto, D.

AU - Goldberg, M.

AU - Horwitz, N.

AU - Jain, V.

AU - Mestayer, M. D.

AU - Moneti, G. C.

AU - Sharma, V.

AU - Shipsey, I. P J

AU - Skwarnicki, Tomasz

AU - Thulasidas, M.

AU - Csorna, S. E.

AU - Letson, T.

AU - Alexander, J.

AU - Artuso, Marina

AU - Bebek, C.

AU - Berkelman, K.

AU - Cassel, D. G.

AU - Cheu, E.

AU - Coffman, D. M.

AU - Crawford, G.

AU - DeWire, J. W.

AU - Dell, P. S.

AU - Ehrlich, R.

AU - Galik, R. S.

AU - Gittlman, B.

AU - Gray, S. W.

AU - Halling, A. M.

AU - Hartill, D. L.

AU - Heltsley, B. K.

AU - Kandaswamy, J.

AU - Katayama, N.

AU - Kreinick, D. L.

AU - Lewis, J. D.

AU - Mistry, N. B.

AU - Mueller, J.

AU - Namjoshi, R.

AU - Nandi, S.

AU - Nordberg, E.

AU - O'Grady, C.

AU - Peterson, D.

AU - Pisharody, M.

AU - Riley, D.

AU - Sapper, M.

AU - Silverman, A.

AU - Stone, Sheldon

AU - Worden, H.

AU - Worris, M.

AU - Sadoff, A. J.

AU - Avery, P.

AU - Besson, D.

AU - Garren, L.

AU - Yelton, J.

AU - Bowcock, T.

AU - Kinoshita, K.

AU - Pipkin, F. M.

AU - Procario, M.

AU - Wilson, Richard

AU - Wolinski, J.

AU - Xiao, D.

AU - Ammar, R.

AU - Baringer, P.

AU - Coppage, D.

AU - Haas, P.

AU - Lam, Ha

AU - Jawahery, A.

AU - Park, C. H.

AU - Kubota, Y.

AU - Nelson, J. K.

AU - Perticone, D.

AU - Poling, R.

AU - Fulton, R.

AU - Hempstead, M.

AU - Jensen, T.

AU - Johnson, D. R.

AU - Kagan, H.

AU - Kass, R.

AU - Morrow, F.

AU - Whitmore, J.

AU - Wilson, P.

PY - 1990/6/21

Y1 - 1990/6/21

N2 - Using the CLEO detector at the Cornell Electron Storage Ring, we have searched for two-photon production of charmonium in four-track final states. We have measured Γγγ(ηc)=5.9+2.1 -1.8±1.9 keV, and we have obtained 95% CL upper limits of Γγγ(Xc0)<6.2 keV and Γγγ(Xc2)<1.0 keV.

AB - Using the CLEO detector at the Cornell Electron Storage Ring, we have searched for two-photon production of charmonium in four-track final states. We have measured Γγγ(ηc)=5.9+2.1 -1.8±1.9 keV, and we have obtained 95% CL upper limits of Γγγ(Xc0)<6.2 keV and Γγγ(Xc2)<1.0 keV.

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U2 - 10.1016/0370-2693(90)90975-C

DO - 10.1016/0370-2693(90)90975-C

M3 - Article

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VL - 243

SP - 169

EP - 174

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

IS - 1-2

ER -