Measurement of parity violation in the elastic scattering of polarized electrons from C12

Paul A Souder, R. Holmes, D. H. Kim, K. S. Kumar, M. E. Schulze, K. Isakovich, G. W. Dodson, K. W. Dow, M. Farkhondeh, S. Kowalski, M. S. Lubell, J. Bellanca, M. Goodman, S. Patch, Richard Wilson, G. D. Cates, S. Dhawan, T. J. Gay, V. W. Hughes, A. MagnonR. Michaels, H. R. Schaefer

Research output: Contribution to journalArticle

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Abstract

We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from C12 nuclei. Our result is Aexpt=0.60±0.14±0.02 ppm, where the first error is statistical and the second is systematic. With a beam polarization of 0.37, we compute the isoscalar vector hadronic coupling constant I to be 0.136±0.032±0. 009. The standard model predicts I=0.155 at the tree level, in agreement with our data.

Original languageEnglish (US)
Pages (from-to)694-697
Number of pages4
JournalPhysical Review Letters
Volume65
Issue number6
DOIs
StatePublished - 1990

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parity
elastic scattering
asymmetry
nuclei
polarization
electrons

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Souder, P. A., Holmes, R., Kim, D. H., Kumar, K. S., Schulze, M. E., Isakovich, K., ... Schaefer, H. R. (1990). Measurement of parity violation in the elastic scattering of polarized electrons from C12. Physical Review Letters, 65(6), 694-697. https://doi.org/10.1103/PhysRevLett.65.694

Measurement of parity violation in the elastic scattering of polarized electrons from C12. / Souder, Paul A; Holmes, R.; Kim, D. H.; Kumar, K. S.; Schulze, M. E.; Isakovich, K.; Dodson, G. W.; Dow, K. W.; Farkhondeh, M.; Kowalski, S.; Lubell, M. S.; Bellanca, J.; Goodman, M.; Patch, S.; Wilson, Richard; Cates, G. D.; Dhawan, S.; Gay, T. J.; Hughes, V. W.; Magnon, A.; Michaels, R.; Schaefer, H. R.

In: Physical Review Letters, Vol. 65, No. 6, 1990, p. 694-697.

Research output: Contribution to journalArticle

Souder, PA, Holmes, R, Kim, DH, Kumar, KS, Schulze, ME, Isakovich, K, Dodson, GW, Dow, KW, Farkhondeh, M, Kowalski, S, Lubell, MS, Bellanca, J, Goodman, M, Patch, S, Wilson, R, Cates, GD, Dhawan, S, Gay, TJ, Hughes, VW, Magnon, A, Michaels, R & Schaefer, HR 1990, 'Measurement of parity violation in the elastic scattering of polarized electrons from C12', Physical Review Letters, vol. 65, no. 6, pp. 694-697. https://doi.org/10.1103/PhysRevLett.65.694
Souder, Paul A ; Holmes, R. ; Kim, D. H. ; Kumar, K. S. ; Schulze, M. E. ; Isakovich, K. ; Dodson, G. W. ; Dow, K. W. ; Farkhondeh, M. ; Kowalski, S. ; Lubell, M. S. ; Bellanca, J. ; Goodman, M. ; Patch, S. ; Wilson, Richard ; Cates, G. D. ; Dhawan, S. ; Gay, T. J. ; Hughes, V. W. ; Magnon, A. ; Michaels, R. ; Schaefer, H. R. / Measurement of parity violation in the elastic scattering of polarized electrons from C12. In: Physical Review Letters. 1990 ; Vol. 65, No. 6. pp. 694-697.
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abstract = "We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from C12 nuclei. Our result is Aexpt=0.60±0.14±0.02 ppm, where the first error is statistical and the second is systematic. With a beam polarization of 0.37, we compute the isoscalar vector hadronic coupling constant I to be 0.136±0.032±0. 009. The standard model predicts I=0.155 at the tree level, in agreement with our data.",
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T1 - Measurement of parity violation in the elastic scattering of polarized electrons from C12

AU - Souder, Paul A

AU - Holmes, R.

AU - Kim, D. H.

AU - Kumar, K. S.

AU - Schulze, M. E.

AU - Isakovich, K.

AU - Dodson, G. W.

AU - Dow, K. W.

AU - Farkhondeh, M.

AU - Kowalski, S.

AU - Lubell, M. S.

AU - Bellanca, J.

AU - Goodman, M.

AU - Patch, S.

AU - Wilson, Richard

AU - Cates, G. D.

AU - Dhawan, S.

AU - Gay, T. J.

AU - Hughes, V. W.

AU - Magnon, A.

AU - Michaels, R.

AU - Schaefer, H. R.

PY - 1990

Y1 - 1990

N2 - We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from C12 nuclei. Our result is Aexpt=0.60±0.14±0.02 ppm, where the first error is statistical and the second is systematic. With a beam polarization of 0.37, we compute the isoscalar vector hadronic coupling constant I to be 0.136±0.032±0. 009. The standard model predicts I=0.155 at the tree level, in agreement with our data.

AB - We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from C12 nuclei. Our result is Aexpt=0.60±0.14±0.02 ppm, where the first error is statistical and the second is systematic. With a beam polarization of 0.37, we compute the isoscalar vector hadronic coupling constant I to be 0.136±0.032±0. 009. The standard model predicts I=0.155 at the tree level, in agreement with our data.

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