P. Crivelli

activity

20242026

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physics.atom-ph2025

Precision continuous-wave laser measurement of the $1^{3} S_{1} \to 2^{3} S_{1}$ interval in positronium

Lucas de Sousa Borges, Edward Thorpe-Woods, Evans Javary +1

We report a 4.9\,ppb measurement of the positronium $1^{3} S_{1} \to 2^{3} S_{1}$ interval using continuous-wave two-photon laser spec…

hep-ex2025

Axion Searches at the CERN SPS: From Their Dawn to Current Prospects

Paolo Crivelli, Martina Mongillo

This mini-review traces the evolution of axion searches at the CERN Super Proton Synchrotron (SPS), beginning with the early proposal by Guido Barbiellini in 1982 and culminating i…

Precision continuous-wave laser measurement of the 13S1​→23S1​ interval in positronium

Axion Searches at the CERN SPS: From Their Dawn to Current Prospects

Precision continuous-wave laser measurement of the $1^{3} S_{1} \to 2^{3} S_{1}$ interval in positronium