Abstract
Potential advantages of chiral molecules for a sensitive search for parity violating cosmic fields are highlighted. Such fields are invoked in different models for cold dark matter or in the Lorentz-invariance violating standard model extensions and thus are signatures of physics beyond the standard model. The sensitivity of a 20-year-old experiment with the molecule CHBrClF to pseudovector cosmic fields as characterized by the parameter |b_{0}^{e}| is estimated to be O(10^{-12} GeV) employing abinitio calculations. This allows us to project the sensitivity of future experiments with favorable choices of chiral heavy-elemental molecular probes to be O(10^{-17} GeV), which will be an improvement of the present best limits by at least two orders of magnitude.
Highlights
Potential advantages of chiral molecules for a sensitive search for parity violating cosmic fields are highlighted. Such fields are invoked in different models for cold dark matter or in the Lorentz-invariance violating standard model extensions and are signatures of physics beyond the standard model
Introduction.—The nature of dark matter (DM), the existence of which is invoked to explain the cosmological motion of visible matter, is considered to be one of the biggest unsolved problems of modern physics
Among the various DM theories, the cold DM (CDM) variant appears to provide a simple explanation for a wealth of astrophysical observations [2]
Summary
Introduction.—The nature of dark matter (DM), the existence of which is invoked to explain the cosmological motion of visible matter, is considered to be one of the biggest unsolved problems of modern physics (see, e.g., Ref. [1]). Chiral Molecules as Sensitive Probes for Direct Detection of P-Odd Cosmic Fields Potential advantages of chiral molecules for a sensitive search for parity violating cosmic fields are highlighted.
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