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Upper bound on parity-violating neutron spin rotation in He4

Publication ,  Journal Article
Snow, WM; Bass, CD; Bass, TD; Crawford, BE; Gan, K; Heckel, BR; Luo, D; Markoff, DM; Micherdzinska, AM; Mumm, HP; Nico, JS; Opper, AK ...
Published in: Physical Review C - Nuclear Physics
February 7, 2011

We report an upper bound on parity-violating neutron spin rotation in He4. This experiment is the most sensitive search for neutron-weak optical activity yet performed and represents a significant advance in precision in comparison to past measurements in heavy nuclei. The experiment was performed at the NG-6 slow-neutron beamline at the National Institute of Standards and Technology (NIST) Center for Neutron Research. Our result for the neutron spin rotation angle per unit length in He4 is dφ/dz=[+1.7±9.1(stat.)±1. 4(sys.)]×10-7 rad/m. The statistical uncertainty is smaller than current estimates of the range of possible values of dφ/dz in n +4He. © 2011 American Physical Society.

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Published In

Physical Review C - Nuclear Physics

DOI

EISSN

1089-490X

ISSN

0556-2813

Publication Date

February 7, 2011

Volume

83

Issue

2

Related Subject Headings

  • Nuclear & Particles Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
 

Citation

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MLA
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Snow, W. M., Bass, C. D., Bass, T. D., Crawford, B. E., Gan, K., Heckel, B. R., … Zhumabekova, V. (2011). Upper bound on parity-violating neutron spin rotation in He4. Physical Review C - Nuclear Physics, 83(2). https://doi.org/10.1103/PhysRevC.83.022501
Snow, W. M., C. D. Bass, T. D. Bass, B. E. Crawford, K. Gan, B. R. Heckel, D. Luo, et al. “Upper bound on parity-violating neutron spin rotation in He4.” Physical Review C - Nuclear Physics 83, no. 2 (February 7, 2011). https://doi.org/10.1103/PhysRevC.83.022501.
Snow WM, Bass CD, Bass TD, Crawford BE, Gan K, Heckel BR, et al. Upper bound on parity-violating neutron spin rotation in He4. Physical Review C - Nuclear Physics. 2011 Feb 7;83(2).
Snow, W. M., et al. “Upper bound on parity-violating neutron spin rotation in He4.” Physical Review C - Nuclear Physics, vol. 83, no. 2, Feb. 2011. Scopus, doi:10.1103/PhysRevC.83.022501.
Snow WM, Bass CD, Bass TD, Crawford BE, Gan K, Heckel BR, Luo D, Markoff DM, Micherdzinska AM, Mumm HP, Nico JS, Opper AK, Sarsour M, Sharapov EI, Swanson HE, Walbridge SB, Zhumabekova V. Upper bound on parity-violating neutron spin rotation in He4. Physical Review C - Nuclear Physics. 2011 Feb 7;83(2).

Published In

Physical Review C - Nuclear Physics

DOI

EISSN

1089-490X

ISSN

0556-2813

Publication Date

February 7, 2011

Volume

83

Issue

2

Related Subject Headings

  • Nuclear & Particles Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics