COLLEGE PARK, Maryland, April 29 -- Physical Review Letters, a journal from the American Physical Society that publishes reports of fundamental and interdisciplinary physics research, published research articles on the following topics in its April 28, 2023 edition:

* Direct Measurement of the Cosmic-Ray Helium Spectrum from 40 GeV to 250 TeV with the Calorimetric Electron Telescope on the International Space Station

* Dynamical Gauge Fields with Bosonic Codes