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Factorization breaking in diffractive photoproduction of dijets

Abstract : We have calculated the diffractive dijet cross section in low-Q^2 ep scattering in the HERA regime. The results of the calculation in LO and NLO are compared to recent experimental data of the H1 collaboration. We find that in LO the calculated cross sections are in reasonable agreement with the experimental results. In NLO, however, some of the cross sections disagree, showing that factorization breaking occurs in that order. By suppressing the resolved contribution by a factor of approximately three, good agreement with all the data is found. The size of the factorization breaking effects in diffractive dijet photoproduction agrees well with absorptive model predictions.
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http://hal.in2p3.fr/in2p3-00023349
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Submitted on : Friday, November 26, 2004 - 1:37:18 PM
Last modification on : Thursday, November 19, 2020 - 12:58:39 PM

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M. Klasen, G. Kramer. Factorization breaking in diffractive photoproduction of dijets. 12. International Workshop on Deep Inelastic Scattering (DIS), Apr 2004, Strbske Pleso, Slovakia. pp.492-498. ⟨in2p3-00023349⟩

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