papers

Publications (9)

nucl-ex2023

Muonic atom spectroscopy with microgram target material

A. Adamczak, A. Antognini, N. Berger +26

Muonic atom spectroscopy -- the measurement of the x rays emitted during the formation process of a muonic atom -- has a long standing history in probing the shape and size of nucl…

physics.atom-ph2023

Diffusion of muonic hydrogen in hydrogen gas and the measurement of the 1 hyperfine splitting of muonic hydrogen

J. Nuber, A. Adamczak, M. Abdou Ahmed +46

The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen (p) with 1 ppm accuracy by means of pulsed laser spectroscopy…

nucl-ex2020

The measurement of the quadrupole moment of 185-Re and 187-Re from the hyperfine structure of muonic X rays

A. Antognini, N. Berger, T. E. Cocolios +23

The hyperfine splitting of the 5g -> 4f transitions in muonic 185,187-Re has been measured using high resolution HPGe detectors and compared to state-of-the-art atomic theoretical…

physics.atom-ph2022

Room-temperature emission of muonium from aerogel and zeolite targets

A. Antognini, P. Crivelli, L. Gerchow +12

A low-emittance, high-intensity atomic beam of muonium () using superfluid helium as muon-to-muonium converter is being developed at the Paul Scherr…

physics.atom-ph2022

Laser excitation of the 1s-hyperfine transition in muonic hydrogen

P. Amaro, A. Adamczak, M. Abdou Ahmed +43

The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen (p) with 1 ppm accuracy by means of pulsed laser spectroscopy…

physics.acc-ph2025

Phase space compression of a positive muon beam in two spatial dimensions

A. Antognini, N. J. Ayres, I. Belosevic +13

We present the first demonstration of simultaneous phase space compression in two spatial dimensions of a positive muon beam, the first stage of the novel high-brightness muon beam…