Muon spectroscopy tables

The below tables collate all the published kinetic data on the reactions of the muonium atom (Mu)with solutes in solutions.


We acknowledge David Walker and Stefan Karolczak for collating and making available information contained in Tables A-E, originally hosted on the website The original website can still be found on the Internet Archive Wayback Machine ( However, to ensure the information continues to be available, we are reproducing the tables in a revised format on this website, together with the author’s preface, introduction and notes on the database.

We thank the publisher Cambridge University Press for allowing Table F to be reproduced (originally Table A from the Appendix to ‘Muon and Muonium Chemistry’ by David C. Walker, 1983, ISBN9780521103374). This has been reproduced with permission of The Licensor through PLSclear. The table remains in copyright. Subject to statutory exception and to the provisions of relevant licensing agreements, no reproduction of any part may take place without the written permission of Cambridge University Press.

New material for the tables may be submitted by email to We would be grateful if you could make us aware of any errors in the transcription of the tables to this same address.