Determination of the neutron spin structure function

P.L. Anthony(American University), R. G. Arnold(American University), H. R. Band(American University), H. Borel(American University), P. Bosted(American University), Vincent Breton(American University), G. D. Cates(American University), T. E. Chupp(American University), Franz Dietrich(American University), J. Dunne(American University), R. Erbacher(American University), J. Fellbaum(American University), H. Fonvieille(American University), R. Gearhart(American University), R. Holmes(American University), E. W. Hughes(American University), J. R. Johnson(American University), D. Kawall(American University), C. E. Keppel(American University), Sebastian Kühn(American University), R. M. Lombard-Nelsen(American University), J. Marroncle(American University), T. Maruyama(American University), W. Meyer(American University), Z.-E. Meziani(American University), H. Middleton(American University), J. Morgenstern(American University), Nathan R. Newbury(American University), G. G. Petratos(American University), R. Pitthan(American University), R. Prepost(American University), Y. Roblin(American University), S. E. Rock(American University), S. Rokni(American University), G. Shapiro(American University), T Smith(American University), P. A. Souder(American University), M. Spengos(American University), F. Staley(American University), L. M. Stuart(American University), Z. M. Szalata(American University), Y. Terrien(American University), A. K. Thompson(American University), J. L. White(American University), M. Woods(American University), Jun Xu(American University), C. C. Young(American University), G. Zapalac(American University)
Physical Review Letters
August 16, 1993
Cited by 495Open Access
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Abstract

The spin structure function of the neutron ${\mathit{g}}_{1}^{\mathit{n}}$ has been determined over the range 0.03x0.6 at an average ${\mathit{Q}}^{2}$ of 2 (GeV/c${)}^{2}$ by measuring the asymmetry in deep inelastic scattering of polarized electrons from a polarized $^{3}\mathrm{He}$ target at energies between 19 and 26 GeV. The integral of the neutron spin structure function is found to be ${\mathcal{F}}_{0}^{1}$${\mathit{g}}_{1}^{\mathit{n}}$(x)dx=-0.022\ifmmode\pm\else\textpm\fi{}0.011. Earlier reported proton results together with the Bjorken sum rule predict ${\mathcal{F}}_{0}^{1}$${\mathit{g}}_{1}^{\mathit{n}}$(x)dx=-0.059\ifmmode\pm\else\textpm\fi{}0.019.


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