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Transparencies pdf - Desy

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Two versions:<br />

(a) power law increase of the gluon densities to the BBL. Contradicts to<br />

the data: too large reduction of X max .<br />

(b) Slower increase at very small x as suggested in Altarelli et al, Ciafaloni et<br />

al estimates. - Leads to modest reduction of X max - agrees with the data.<br />

49<br />

49

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