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arXiv · hep-ph/9901217

CPT- and B-Violation: The p-pbar Sector

Dallas C. Kennedy
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Abstract

The CPT symmetry of relativistic quantum field theory requires the total lifetimes of particles and antiparticles be equal. Detection of pbar lifetime shorter than tau_p > O(10^32) yr would signal breakdown of CPT invariance, in combination with B-violation. The best current limit on tau_pbar, inferred from cosmic ray measurements, is about one Myr, placing lower limits on CPT-violating scales that depend on the exact mechanism. Paths to CPT breakdown within and outside ordinary quantum mechanics are sketched. Many of the limiting CPT-violating scales in pbar decay lie within the weak-to-Planck range.

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Dallas C. Kennedy. 2000-12-08. CPT- and B-Violation: The p-pbar Sector. https://doi.org/10.1142/s0217732399000894

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