4.6 Article

Studies of the weak interaction in atomic systems: towards measurements of atomic parity non-conservation in francium

Journal

QUANTUM SCIENCE AND TECHNOLOGY
Volume 7, Issue 2, Pages -

Publisher

IOP Publishing Ltd
DOI: 10.1088/2058-9565/ac4424

Keywords

precision measurements; weak interactions; quantum science and technology; atomic parity non-conservation

Funding

  1. Natural Sciences and Engineering Research Council (NSERC) of Canada
  2. National Research Council (NRC) of Canada through TRIUMF
  3. National Science Foundation (NSF)
  4. Department of Energy (DOE) of the United States
  5. University of Maryland
  6. University of Manitoba

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The article presents plans and progress for an atomic parity non-conservation experiment using francium, the heaviest alkali element, which has no stable isotope. Low-energy tests like this provide complementary sensitivity to higher energy searches such as those conducted at the large hadron collider.
Tests of the standard model of particle physics should be carried out over the widest possible range of energies. Here we present our plans and progress for an atomic parity non-conservation experiment using the heaviest alkali, francium (Z = 87), which has no stable isotope. Low-energy tests of this kind have sensitivity complementary to higher energy searches, e.g. at the large hadron collider.

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