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Precision measurement of the structure function ratios F2He/F2D, F2C/F2D and F2Ca/F2D
Paul Scherrer Institute, Villingen, Switzerland.
University of California, Santa Cruz CA, United States.ORCID iD: 0000-0002-9007-0410
MPI Heidelberg, Heidelberg, Germany.
Number of Authors: 67
1991 (English)In: Zeitschrift für Physik C Particles and Fields, ISSN 0170-9739, E-ISSN 1431-5858, Vol. 51, no 3, 387-393 p.Article in journal (Refereed) Published
Abstract [en]

We present the structure function ratios F2He/F2D, F2C/F2D and F2Ca/F2D measured in deep inelastic muon-nucleus scattering at an incident muon momentum of 200 GeV. The kinematic range 0.0035 < x < 0.65 and 0.5 < Q2 < 90 GeV2 is covered. At low x the three ratios are significantly smaller than unity and the size of the depletion grows with decreasing x and increasing mass number A. At intermediate x the ratios show an enhancement of about 2% above unity for C/D and Ca/D, possibly less for He/D. There are indications of some Q2 dependence in the Ca/D data. The integrals of the structure function differences F2A-F2D are discussed.

Place, publisher, year, edition, pages
Springer, 1991. Vol. 51, no 3, 387-393 p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:oru:diva-57753DOI: 10.1007/BF01548560ISI: A1991GB75600005ScopusID: 2-s2.0-0009088601OAI: oai:DiVA.org:oru-57753DiVA: diva2:1098150
Available from: 2017-05-23 Created: 2017-05-23 Last updated: 2017-05-23Bibliographically approved

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