Search for Lorentz and CPT violation effects in Muon spin precession

G W Bennett; B Bousquet; H N Brown; G Bunce; R M Carey; P Cushman; G T Danby; P T Debevec; M Deile; H Deng; W Deninger; S K Dhawan; V P Druzhinin; L Duong; E Efstathiadis; F J M Farley; G V Fedotovich; S Giron; F E Gray; D Grigoriev; M Grosse-Perdekamp; A Grossmann; M F Hare; D W Hertzog; X Huang; V W Hughes; M Iwasaki; K Jungmann; D Kawall; M Kawamura; B I Khazin; J Kindem; F Krienen; I Kronkvist; A Lam; R Larsen; Y Y Lee; I Logashenko; R McNabb; W Meng; J Mi; J P Miller; Y Mizumachi; W M Morse; D Nikas; C J G Onderwater; Y Orlov; C S Ozben; J M Paley; Q Peng; C C Polly; J Pretz; R Prigl; G zu Putlitz; T Qian; S I Redin; O Rind; B L Roberts; N Ryskulov; S Sedykh; Y K Semertzidis; P Shagin; Yu M Shatunov; E P Sichtermann; E Solodov; M Sossong; A Steinmetz; L R Sulak; C Timmermans; A Trofimov; D Urner; P von Walter; D Warburton; D Winn; A Yamamoto; D Zimmerman; Muon g-2 Collaboration

doi:10.1103/PhysRevLett.100.091602

Search for Lorentz and CPT violation effects in Muon spin precession

Phys Rev Lett. 2008 Mar 7;100(9):091602. doi: 10.1103/PhysRevLett.100.091602. Epub 2008 Mar 4.

Authors

G W Bennett¹, B Bousquet, H N Brown, G Bunce, R M Carey, P Cushman, G T Danby, P T Debevec, M Deile, H Deng, W Deninger, S K Dhawan, V P Druzhinin, L Duong, E Efstathiadis, F J M Farley, G V Fedotovich, S Giron, F E Gray, D Grigoriev, M Grosse-Perdekamp, A Grossmann, M F Hare, D W Hertzog, X Huang, V W Hughes, M Iwasaki, K Jungmann, D Kawall, M Kawamura, B I Khazin, J Kindem, F Krienen, I Kronkvist, A Lam, R Larsen, Y Y Lee, I Logashenko, R McNabb, W Meng, J Mi, J P Miller, Y Mizumachi, W M Morse, D Nikas, C J G Onderwater, Y Orlov, C S Ozben, J M Paley, Q Peng, C C Polly, J Pretz, R Prigl, G zu Putlitz, T Qian, S I Redin, O Rind, B L Roberts, N Ryskulov, S Sedykh, Y K Semertzidis, P Shagin, Yu M Shatunov, E P Sichtermann, E Solodov, M Sossong, A Steinmetz, L R Sulak, C Timmermans, A Trofimov, D Urner, P von Walter, D Warburton, D Winn, A Yamamoto, D Zimmerman; Muon g-2 Collaboration

Affiliation

¹ Brookhaven National Laboratory, Upton, NY 11973, USA.

PMID: 18352695
DOI: 10.1103/PhysRevLett.100.091602

Abstract

The spin precession frequency of muons stored in the (g-2) storage ring has been analyzed for evidence of Lorentz and CPT violation. Two Lorentz and CPT violation signatures were searched for a nonzero delta omega a(=omega a mu+ - omega a mu-) and a sidereal variation of omega a mu+/-). No significant effect is found, and the following limits on the standard-model extension parameters are obtained: bZ = -(1.0+/-1.1) x 10(-23) GeV; (m mu dZ0 + HXY)=(1.8+/-6.0) x 10(-23) GeV; and the 95% confidence level limits b perpendicular mu+ <1.4 x 10(-24) GeV and b perpendicular mu- <2.6 x 10(-24) GeV.

Publication types

Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.