Comment on "New limit on Lorentz-invariance- and CPT-violating neutron spin interactions using a free-spin-precession (3)He-(129)Xe comagnetometer".
Department of Physics, Princeton University, Princeton, New Jersey 08544, USA.
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Romalis
Department of Physics, Princeton University, Princeton, New Jersey 08544, USA.
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D
Sheng
Department of Physics, University of Utah, Salt Lake City, Utah 84112, USA.
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B
Saam
Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA.
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Walker