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Measurement of the total cross section for e^+e^-→hadrons at √s=10.52 GeV

Ammar, R. and Barish, B. and Chadha, M. and Chan, S. and Eigen, G. and Miller, J. S. and O’Grady, C. and Schmidtler, M. and Urheim, J. and Würthwein, F. and Weinstein, Alan J. (1998) Measurement of the total cross section for e^+e^-→hadrons at √s=10.52 GeV. Physical Review D, 57 (3). pp. 1350-1358. ISSN 2470-0010. doi:10.1103/PhysRevD.57.1350.

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Using the CLEO detector at the Cornell Electron Storage Ring, we have made a measurement of R≡σ(e^+e^-→hadrons)/σ(e^+e^-→μ^+μ^-)=3.56±0.01±0.07 at √s=10.52 GeV. This implies a value for the strong coupling constant of α_s(10.52 GeV)=0.20±0.01±0.06, or α_s(MZ)=0.13±0.005±0.03.

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Weinstein, Alan J.0000-0002-0928-6784
Additional Information:© 1998 The American Physical Society. Received 7 July 1997; published 13 January 1998. We gratefully acknowledge the effort of the CESR staff in providing us with excellent luminosity and running conditions. J.P.A., J.R.P., and I.P.J.S. thank the NYI program of the NSF, M.S. thanks the PFF program of the NSF, G.E. thanks the Heisenberg Foundation, K.K.G., M.S., H.N.N., T.S., and H.Y. thank the OJI program of DOE, J.R.P., K.H., M.S., and V.S. thank the A.P. Sloan Foundation, R.W. thanks the Alexander von Humboldt Stiftung, and M.S. thanks Research Corporation for support. This work was supported by the National Science Foundation, the U.S. Department of Energy, and the Natural Sciences and Engineering Research Council of Canada.
Funding AgencyGrant Number
Heisenberg FoundationUNSPECIFIED
Department of Energy (DOE) OJI ProgramUNSPECIFIED
A. P. Sloan FoundationUNSPECIFIED
Alexander von Humboldt StiftungUNSPECIFIED
Research CorporationUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Issue or Number:3
Classification Code:PACS: 12.38.Aw, 12.38.Qk, 13.60.Hb, 13.85.Lg
Record Number:CaltechAUTHORS:20120113-092305246
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Official Citation:Measurement of the total cross section for e+e-→hadrons at √s=10.52 GeV R. Ammar et al. ((CLEO Collaboration)) pp. 1350-1358
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28769
Deposited By: Ruth Sustaita
Deposited On:13 Jan 2012 17:43
Last Modified:09 Nov 2021 17:00

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