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A high-Q2Q^{2} measurement of the photon structure function F2γF^{\gamma}_{2} at LEP2

Abstract

The photon structure function F_2^gamma has been measured at of 706 GeV^2, using a sample of two-photon events with a scattered electron observed in the OPAL electromagnetic endcap calorimeter. The data were taken during the years 1997-1999, when LEP operated at e+e- centre-of-mass energies ranging from 183 to 202 GeV, and correspond to an integrated luminosity of 424 pb^-1. This analysis represents the highest measurement of F_2^gamma made to date.The photon structure function F2γ (x,Q2) has been measured at 〈Q2〉 of 706 GeV2 using a sample of two-photon events with a scattered electron observed in the OPAL electromagnetic endcap calorimeter. The data were taken during the years 1997-1999, when LEP operated at e+e− center-of-mass energies ranging from 183 to 202 GeV, and correspond to an integrated luminosity of 424 pb−1. This analysis represents the highest 〈Q2〉 measurement of F2γ made to date.The photon structure function F_2^gamma has been measured at of 706 GeV^2, using a sample of two-photon events with a scattered electron observed in the OPAL electromagnetic endcap calorimeter. The data were taken during the years 1997-1999, when LEP operated at e+e- centre-of-mass energies ranging from 183 to 202 GeV, and correspond to an integrated luminosity of 424 pb^-1. This analysis represents the highest measurement of F_2^gamma made to date

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Last time updated on 30/10/2014

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