Skip to main content

Reset your password

Please enter the e-mail address you used to register to reset your password

Note: The verification e-mail to change your password should arrive immediately. However, in some cases it takes longer. Don't forget to check your spam folder.

If you haven't received the e-mail in 24 hours, please contact customerservices@ioppublishing.org

Registration complete

Thank you for registering with Physics World
If you'd like to change your details at any time, please visit My account

Close
Particles and interactions

Particles and interactions

Space-based spectrometer enters neutron lifetime debate

20 Jul 2020 Isabelle Dumé
Artist impression of MESSENGER spacecraft
Artist impression of MESSENGER spacecraft in orbit at Mercury. (Courtesy: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington)
While protons remain stable for at least 1034 years outside the nucleus, a free neutron survives for

You’ve reached the limit of what you can view on Physics World without registering

If you already have an account on Physics World, then please sign in to continue reading

If you do not yet have an account, please register so you can

  • Access more than 20 years of online content
  • Choose which e-mail newsletters you would like to receive
Isabelle Dumé is a contributing editor to Physics World
Read previous

Fukushima may have scattered plutonium widely
Read next

Quantum squeezing is achieved at room temperature

Discover more from Physics World

Related jobs

Related events

Copyright © 2024 by IOP Publishing Ltd and individual contributors