The hadronic photon structure function F 2 γ(x, Q 2) is measured from data taken with the ALEPH detector at LEP. At centre-of-mass energies between √s = 189 GeV and 207 GeV an integrated luminosity of 548.4 pb -1 is analyzed in two ranges of Q 2 with 〈Q 2〉 = 17.3 GeV 2 and 67.2 GeV 2. Detector effects and acceptance are corrected for with a Tikhonov unfolding procedure. The results are compared to theoretical predictions and measurements from other experiments.

Measurement of the hadronic photon structure function F 2 γ (x, Q 2) in two-photon collisions at LEP / Heister, A., Schael, S., Barate, R., Brunelière, R., Bonis, I.d., Focardi, E., Goy, C., Jezequel, S., Lees, J., Martin, F., Merle, E., Minard, M., Pietrzyk, B., Trocmé, B., Bravo, S., Casado, M., Chmeissani, M., Crespo, J., Fernandez, E., Fernandez Bosman, M., et al.. - In: THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. - ISSN 1434-6044. - STAMPA. - 30:(2003), pp. 145-158.

Measurement of the hadronic photon structure function F 2 γ (x, Q 2) in two-photon collisions at LEP

FOCARDI, ETTORE;CIULLI, VITALIANO;
2003

Abstract

The hadronic photon structure function F 2 γ(x, Q 2) is measured from data taken with the ALEPH detector at LEP. At centre-of-mass energies between √s = 189 GeV and 207 GeV an integrated luminosity of 548.4 pb -1 is analyzed in two ranges of Q 2 with 〈Q 2〉 = 17.3 GeV 2 and 67.2 GeV 2. Detector effects and acceptance are corrected for with a Tikhonov unfolding procedure. The results are compared to theoretical predictions and measurements from other experiments.
2003
30
145
158
Heister, A.; Schael, S.; Barate, R.; Brunelière, R.; Bonis, I. d.; Focardi, Ettore; Goy, C.; Jezequel, S.; Lees, J.; Martin, F.; Merle, E.; Minard, M....espandi
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/780726
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