Constraints on Exotic Spin-Dependent Interactions Between Matter and Antimatter from Antiprotonic Helium Spectroscopy.

6533b7d5fe1ef96bd1263cc6

RESEARCH PRODUCT

Constraints on Exotic Spin-Dependent Interactions Between Matter and Antimatter from Antiprotonic Helium Spectroscopy.

Filip Ficek Mikhail Kozlov Yevgeny V. Stadnik Pavel Fadeev Pavel Fadeev Dmitry Budker Dmitry Budker Dmitry Budker Derek F. Jackson Kimball Victor V. Flambaum Victor V. Flambaum

subject

Physics Atomic Physics (physics.atom-ph)010308 nuclear & particles physics FOS: Physical sciences General Physics and Astronomy Electron 01 natural sciences Physics - Atomic Physics 3. Good health Standard Model Nuclear physics Antiproton Antimatter 0103 physical sciences Condensed Matter::Strongly Correlated Electrons Physics::Atomic Physics 010306 general physics Spin (physics)Antiprotonic helium Hyperfine structure Boson

description

Heretofore undiscovered spin-0 or spin-1 bosons can mediate exotic spin-dependent interactions between standard-model particles. Here we carry out the first search for semileptonic spin-dependent interactions between matter and antimatter. We compare theoretical calculations and spectroscopic measurements of the hyperfine structure of antiprotonic helium to constrain exotic spin- and velocity-dependent interactions between electrons and antiprotons.

year	journal	country	edition	language
2018-01-01	Physical review letters

10.1103/physrevlett.120.183002 https://pubmed.ncbi.nlm.nih.gov/29775329

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