Bruce and Matthew are absolutely correct - the lifetime is not the average time between successive beam dumps as I mistakenly thought.
Anatoly
 
 
-----Original Message-----
From: Ravel, Bruce [mailto:bravel@bnl.gov]
Sent: Friday, April 04, 2008 8:45 AM
To: anatoly.frenkel@yu.edu; XAFS Analysis using Ifeffit
Subject: Re: [Ifeffit] Brainteaser

On Thursday 03 April 2008 21:52:46 Anatoly Frenkel wrote:
> A comment: the last time NSLS had 20h of stored beam lifetime was in the
> 20th century, I think, but it is besides the point.

At this moment, according to the machine status on the web, the NSLS
lifetime is 19.31 hours.  As you said, Marcus knows what he's talking
about.

I was going to guess "crappy data analysis software", but that's
always my first answer! ;-)

B



--
 Bruce Ravel  ------------------------------------ bravel@bnl.gov

 National Institute of Standards and Technology
 Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2
 Building 535A
 Upton NY, 11973

 My homepage:    http://xafs.org/BruceRavel
 EXAFS software: http://cars9.uchicago.edu/~ravel/software/exafs/