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The mass of the $\pi^-$

by M. Daum and D. Gotta

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Submission summary

Authors (as registered SciPost users): Detlev Gotta
Submission information
Preprint Link: scipost_202102_00019v2  (pdf)
Date accepted: 2021-04-28
Date submitted: 2021-03-23 18:12
Submitted by: Gotta, Detlev
Submitted to: SciPost Physics
Ontological classification
Academic field: Physics
  • Nuclear Physics - Experiment
Approach: Experimental


The most precise values of the mass of the negatively charged pion have been determined from several measurements of X-ray wavelengths for transitions in pionic atoms at PSI. The Particle Data Group gives the average $m_{\pi^-}= (139.570 61 \pm 0.000 24) MeV/c^2$.

Author comments upon resubmission

Updated version according to referee comments.

Published as SciPost Phys. Proc. 5, 010 (2021)

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