Isoscalar and isovector form factors of H3 and He3 for Q below 2.9 fm-1 from electron-scattering measurements

D. Beck, A. Bernstein, I. Blomqvist, H. Caplan, D. Day, P. Demos, W. Dodge, G. Dodson, K. Dow, S. Dytman, M. Farkhondeh, J. Flanz, K. Giovanetti, R. Goloskie, E. Hallin, E. Knill, S. Kowalski, J. Lightbody, R. Lindgren, X. MaruyamaJ. McCarthy, B. Quinn, G. Retzlaff, W. Sapp, C. Sargent, D. Skopik, I. The, D. Tieger, W. Turchinetz, T. Ueng, N. Videla, K. Von Reden, R. Whitney, C. Williamson

Research output: Contribution to journalArticlepeer-review

Abstract

The H3 and He3 charge and magnetic form factors have been extracted from cross-section measurements in the region 0.3Q2.9 fm-1. The measurements have random uncertainties of about 2% and systematic uncertainties of about 2% for H3 and 1.5% for He3. The small systematic uncertainties allow accurate determination of the isoscalar and isovector trinucleon form factors. The isoscalar charge and isovector magnetic form factors are in reasonable agreement with current theoretical models, whereas the isovector charge and isoscalar magnetic form factors show significant deviations from the models.

Original languageEnglish (US)
Pages (from-to)1537-1540
Number of pages4
JournalPhysical review letters
Volume59
Issue number14
DOIs
StatePublished - 1987
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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