x / 95 10 00 9 v 2 2 2 N ov 1 99 5 Measurement of the Proton Structure Function F 2 at low x and low Q 2 at HERA ZEUS

Abstract

We report on a measurement of the proton structure function F2 in the range 3.5 × 10 ≤ x ≤ 4 × 10 and 1.5 GeV ≤ Q ≤ 15 GeV at the ep collider HERA operating at a centre-of-mass energy of √ s = 300 GeV. The rise of F2 with decreasing x observed in the previous HERA measurements persists in this lower x and Q range. The Q evolution of F2, even at the lowest Q… (More)

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