410 citations · 667 across the 11 of their papers we have counts for
11 papers
Proposed method for laser spectroscopy of pionic helium atoms to determine the charged-pion mass
Masaki Hori, Anna Sótér, Vladimir I. Korobov
Metastable pionic helium () is a three-body atom composed of a helium nucleus, an electron occupying the ground state, and a negatively charged pion in a Ry…
Segmented scintillation detectors with silicon photomultiplier readout for measuring antiproton annihilations
A. Sótér, K. Todoroki, T. Kobayashi +3
The Atomic Spectroscopy and Collisions Using Slow Antiprotons (ASACUSA) experiment at the Antiproton Decelerator (AD) facility of CERN constructed segmented scintillators to detect…
Physics at CERN's Antiproton Decelerator
M. Hori, J. Walz
The Antiproton Decelerator of CERN began operation in 1999 to serve experiments for studies of CPT invariance by precision laser and microwave spectroscopy of antihydrogen ($\bar{\…
Two-photon laser spectroscopy of antiprotonic helium and the antiproton-to-electron mass ratio
Masaki Hori, Anna Sótér, Daniel Barna +9
Physical laws are believed to be invariant under the combined transformations of charge, parity and time reversal (CPT symmetry). This implies that an antimatter particle has exact…
Microwave spectroscopic study of the hyperfine structure of antiprotonic helium-3
Susanne Friedreich, Daniel Barna, Fritz Caspers +11
In this work we describe the latest results for the measurements of the hyperfine structure of antiprotonic helium-3. Two out of four measurable super-super-hyperfine SSHF transiti…
First observation of two hyperfine transitions in antiprotonic He-3
S. Friedreich, D. Barna, F. Caspers +11
We report on the first experimental results for microwave spectroscopy of the hyperfine structure of antiprotonic He-3. Due to the helium nuclear spin, antiprotonic He-3 has a more…