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- Newsgroups: sci.physics
- Subject: Re: energy, mass, and all that
- Message-ID: <mcirvin.722374031@husc8>
- From: mcirvin@husc8.harvard.edu (Mcirvin)
- Date: 21 Nov 92 19:27:11 GMT
- References: <Nov.17.18.53.42.1992.9384@ruhets.rutgers.edu> <1992Nov21.020240.14999@nuscc.nus.sg>
- Nntp-Posting-Host: husc8.harvard.edu
- Lines: 18
-
- matmcinn@nuscc.nus.sg (Brett McInnes) writes:
-
- >bweiner@ruhets.rutgers.edu (Benjamin Weiner) writes:
- >:
- >: Look, Martin, it seems that you do understand this. Rest mass is not
- >: conserved in e+ e- -> photons.
-
- >Err...Ben...would you like to modify this a little? Surely the rest mass
- >has to be conserved if the 4-momentum is?
-
- Heh, heh. The rest mass of the whole system, yes. The rest mass of the
- individual particles, no.
-
- I'm so glad to see sci.physics drop into this quagmire again... it's
- like an old friend.
-
- --
- Matt McIrvin
-