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Scientific article
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English

Z-boson production with two unobserved, back-to-back, hard photons at LEP

ContributorsL3 Collaboration
Published inPhysics letters. B, vol. 613, no. 3-4, p. 118-127
Publication date2005
Abstract

The double-radiative process e+e−→Zγγ→qqγγ where the two hard photons escape detection at low polar angles into opposite directions, is studied in 0.62 fb−1 of data collected with the L3 detector at LEP at centre-of-mass energies between 188.6 and 209.2 GeV. The cross sections are measured and found to be consistent with the Standard Model expectations.

Citation (ISO format)
L3 Collaboration. Z-boson production with two unobserved, back-to-back, hard photons at LEP. In: Physics letters. B, 2005, vol. 613, n° 3-4, p. 118–127. doi: 10.1016/j.physletb.2005.03.039
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ISSN of the journal0370-2693
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