By V. Alan Kostelecky
This publication comprises the court cases of the 5th assembly on CPT and Lorentz Symmetry, held at Indiana college in Bloomington from June 28 to July 2, 2010. The assembly desirous about exams of those primary symmetries and on similar theoretical concerns, together with eventualities for attainable violations. themes lined on the assembly comprise searches for CPT and Lorentz violations concerning: birefringence and dispersion from cosmological resources, clock-comparison measurements, CMB polarization, electromagnetic resonant cavities, equivalence precept, gauge and Higgs debris, high-energy astrophysical observations, laboratory and gravimetric assessments of gravity, subject interferometry, neutrino oscillations, oscillations and decays of K,D,B mesons, particle-antiparticle comparisons, post-newtonian gravity within the sunlight method and past, moment- and third-generation debris, space-based missions, spectroscopy of hydrogen and antihydrogen, and spin polarized subject. Theoretical discussions comprise actual results on the point of the normal version, basic Relativity, and past; the potential origins and mechanisms for Lorentz and CPT violations; and comparable classical and quantum matters in box conception, particle physics, gravity, and string idea.
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Extra resources for CPT and Lorentz Symmetry: Proceedings of the Fifth Meeting
A. Kosteleck´ y and N. 0287. 5. A. , Phys. Rev. Lett. 102, 170402 (2009); Phys. Rev. D. Altschul, Phys. Rev. D 80, 091901 (2009). 6. -P. , Phys. Rev. Lett. 104, 241601 (2010). 7. R. Lehnert, Phys. Rev. D 68, 085003 (2003). R. G. A. E. CRAMER NIST, 100 Bureau Dr. MS 8444 Gaithersburg, MD 20899, USA This article describes constraints on possible new spin-coupled interactions using a torsion pendulum with approximately 1 × 1023 polarized electrons. 1. Introduction Intrinsic spin and mass are the labels required to describe objects in a four dimensional spacetime that obeys Poincar´e invariance.
A. E. CRAMER NIST, 100 Bureau Dr. MS 8444 Gaithersburg, MD 20899, USA This article describes constraints on possible new spin-coupled interactions using a torsion pendulum with approximately 1 × 1023 polarized electrons. 1. Introduction Intrinsic spin and mass are the labels required to describe objects in a four dimensional spacetime that obeys Poincar´e invariance. General relativity describes how matter affects spacetime, but it is not a quantum theory and does not include spin at a fundamental level.
2) × 10−20 , (10) where (V+ + V− )/2 = −5 × 10−3 eV is the Newtonian potential of a laboratory electron in the field of the Sun. 1) × 10−21 . To investigate spin-spin interactions, as given in Eq. (5), we constructed four electron spin sources based on principles similar to our spin pendulum. Each spin source had ∼ 6 × 1024 polarized electrons and was placed about 18 cm away from the spin pendulum (outside of four layers of magnetic shielding). We found no evidence for a spin-spin interaction, leading to a preliminary limit on an interaction of the form in Eq.
CPT and Lorentz Symmetry: Proceedings of the Fifth Meeting by V. Alan Kostelecky