[phenixbb] question on f/sigf
bshaanan at exchange.bgu.ac.il
Fri Jul 13 16:36:00 PDT 2012
I think that the math you're looking for is on p. 329 of Rupp's book BMC (eqs. 7-47 - 7-50).
Boaz Shaanan, Ph.D.
Dept. of Life Sciences
Ben-Gurion University of the Negev
E-mail: bshaanan at bgu.ac.il
Phone: 972-8-647-2220 Skype: boaz.shaanan
Fax: 972-8-647-2992 or 972-8-646-1710
From: phenixbb-bounces at phenix-online.org [phenixbb-bounces at phenix-online.org] on behalf of fn1 at rice.edu [fn1 at rice.edu]
Sent: Saturday, July 14, 2012 1:52 AM
To: PHENIX user mailing list
Subject: Re: [phenixbb] question on f/sigf
Quoting Nathaniel Echols <nechols at lbl.gov>:
> On Fri, Jul 13, 2012 at 2:25 PM, <fn1 at rice.edu> wrote:
>> I am wondering why f/sigf is always about twice of i/sigi. Is there any
>> mathematics behind this relation? Maybe it is not directly related to
>> phenix, but i sincerely hope someone could help me with it.
> I don't know the logic behind this, but from notes in our code, the default
> implementation appears to be this one:
> specifically, section 18.104.22.168.
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