CalcHEP

scan

Asked by bota

Dear Professor Alexander Pukhov,
I will scan p1+p2= 250 Gev to 1000 Gev so i have the new parameter b in file vars of stander model and i write p1 and p2 functions of the scan parameters (see the batch file).
but not work, not scan, p1 and p2 not change. i used the version calchep 3.4.1
yours

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bota (baouche-nabil) said : 		#1

Dear Professor Alexander Pukhov,
I used the scripts pcm_cycle pcm0 step in GUI for scan p1+p2=250 to 1000 Gev but i see the error in part 2 and part 10 part 11 big
for exemple 10and 15.
how i can minimized the error
thank you very much

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Alexander Pukhov (pukhov) said : 		#2

You should to increase number of call, or include Regularization, or
implement new cuts.

To increase number of calls use

./bin/set_vegas which needs 4 parameters

../bin/set_vegas
Error! 4 parameters expected
1 - number Vegas iterations at firts loop
2 - number of integral calls for earch iteration of the first loop
3 - number Vegas iterations at second loop
4 - number of integral calls for earch iteration of the second loop
5 - number of sub-cubes to prepare event generator

Unfortunately in the current version
3 - number Vegas iterations at second loop
4 - number of integral calls for earch iteration of the second loop
can not be set via CalcHEP menus. So, special routine is used.

Best
     Alexander Pukhov

On 06/02/2016 01:32 PM, bota wrote:
> Question #294627 on CalcHEP changed:
> https://answers.launchpad.net/calchep/+question/294627
>
> bota posted a new comment:
> Dear Professor Alexander Pukhov,
> I used the scripts pcm_cycle pcm0 step in GUI for scan p1+p2=250 to 1000 Gev but i see the error in part 2 and part 10 part 11 big
> for exemple 10and 15.
> how i can minimized the error
> thank you very much
>

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