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Determination of the longitudinal proton structure function F-L(x,Q(2)) at low x

Abstract:

A measurement of the inclusive cross section for the deep-inelastic scattering of positrons off protons at HERA is presented at momentum transfers 8.5 ≤ Q2 ≤ 35 GeV2 and large inelasticity 〈y〉 = 0.7, i.e. for the Bjorken-x range 0.00013 ≤ x ≤ 0.00055. Using a next-to-leading order QCD fit to the structure function F2 at lower y values, the contribution of F2 to the measured cross section at high y is calculated and, by subtraction, the longitudinal structure function FL is determined for the ...

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Publication status:
Published

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Journal:
PHYSICS LETTERS B
Volume:
393
Issue:
3-4
Pages:
452-464
Publication date:
1997-02-13
DOI:
ISSN:
0370-2693
URN:
uuid:c34340a5-9f1b-4dad-bd6c-40293232bb48
Source identifiers:
7242
Local pid:
pubs:7242

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