Magnetic moments and the structure function of the proton

Choudhury, D. ; O'Donnell, P. J. ; Sarkar, U. (1992) Magnetic moments and the structure function of the proton Zeitschrift für Physik C Particles and Fields, 54 (2). pp. 307-309. ISSN 0170-9739

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Official URL: http://www.springerlink.com/content/g22530uu435p05...

Related URL: http://dx.doi.org/10.1007/BF01566660

Abstract

The EMC collaboration have reported a measurement of the proton structure function which has been interpreted to mean that the spin of the proton is not predominantly that of the quarks (ΔΣ=Δμ+Δd+Δs=0.13±0.19). We show that the magnetic moments of the baryons are independent of this measurement and are given (within 10-20%) for a range of ΔΣ including the valence model value ΔΣ=1. The magnetic moments of the quarks can only be fixed if the quantity ΔΣ is determined very accurately.

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