[Blackmax] FW: Running BlackMax at 8 TeV failed

Shaoqi Hou shou at crimson.ua.edu
Tue Mar 3 17:52:54 GMT 2015


Hi Mr. Marc Cano Bret,

Thanks for your help! I compiled BlackMax in the all mode. And I use older
version of PYTHIA. pythia-6.4.28.

Best Wishes

Shaoqi


On Tue, Mar 3, 2015 at 8:55 AM, Marc Cano Bret <marc.bret.87 at gmail.com>
wrote:

> Dear Shaoqi,
>
> I have been forwarded the email discussion you had with Prof. Issever on
> the BlackMax issue you have encountered. Could you please tell me which
> option are you using to compile BlackMax (BlackMaxOnly, BlackMax or all)
> and the Pythia version you are using? Using the same parameter.txt file you
> sent Prof. Issever I can generate events just fine by compiling in the
> BlackMax mode, so I guess the problem might be with Pythia if you are using
> the all compilation mode.
>
> Best,
>
> Marc
>
> On 3 March 2015 at 14:50, Marc Cano Bret <marc.bret.87 at gmail.com> wrote:
>
>> Hi Cigdem,
>>
>> Looking through the output file and the parameter.txt I don't see
>> anything striking. I have run BlackMax myself using his file and don't get
>> any errors. I first ran with the CTEQ PDF and then with the PDF he is using
>> (21000, which is MSTW2008). It is then quite possible that this is a Pythia
>> issue. I normally compile BlackMax with the BlackMaxOnly or BlackMax choice
>> so I haven't encountered this problem. The Pythia version I have in my
>> computer (8.175) is very recent and BlackMax doesnt compile with that one.
>> We should ask which option he is using to compile BlackMax and if he is
>> using the Pythia version mentioned in the README file. I will drop him an
>> email.
>>
>> Best,
>>
>> Marc
>>
>> On 3 March 2015 at 14:18, Cigdem Issever <c.Issever1 at physics.ox.ac.uk>
>> wrote:
>>
>>>  and the outputs
>>>
>>>    ---------------------------------------------------------------------
>>> Cigdem Issever <https://www2.physics.ox.ac.uk/contacts/people/issever>
>>>
>>> University of Oxford                    @ CERN office 104/1-C14
>>> Skype-id: cigdem.issever            Oxford Tel: +44-1865-273337
>>>
>>> ---------------------------------------------------------------------
>>>      ------------------------------
>>> *From:* Shaoqi Hou [shou at crimson.ua.edu]
>>> *Sent:* 25 February 2015 15:57
>>> *To:* Cigdem Issever
>>> *Cc:* Email the developers
>>> *Subject:* Re: [Blackmax] Running BlackMax at 8 TeV failed
>>>
>>>    Hi Prof. Issever,
>>>
>>> I ran BlackMax with the newest parameter.txt sent to you. BlackMax
>>> stalled after about 2 min, 1481 events simulated. No more events were
>>> simulated further. Please download the two attachments. Thank you very much!
>>>
>>> Best Wishes
>>>
>>> Shaoqi
>>>
>>>>>>   BlackMaxLHArecord.lhe
>>> <https://docs.google.com/a/crimson.ua.edu/file/d/0B4MDh9xjGUXvanQ3bEVEQWFXLUU/edit?usp=drive_web>
>>> ​​
>>>   output.txt
>>> <https://docs.google.com/a/crimson.ua.edu/file/d/0B4MDh9xjGUXvbHpVNFhQWGxVN0E/edit?usp=drive_web>
>>>>>>
>>>
>>> On Wed, Feb 25, 2015 at 8:40 AM, Cigdem Issever <
>>> c.Issever1 at physics.ox.ac.uk> wrote:
>>>
>>>>  Can you also send me any output BlackMax produce when you run it with
>>>> the 8TeV setup?
>>>>
>>>> I will try to run BlackMax myself with your settings and see if I can
>>>> reproduce it.
>>>>
>>>> Cigdem
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> Cigdem Issever <https://www2.physics.ox.ac.uk/contacts/people/issever>
>>>>
>>>> University of Oxford                    @ CERN office 104/1-C14
>>>> Skype-id: cigdem.issever            Oxford Tel: +44-1865-273337
>>>>
>>>> ---------------------------------------------------------------------
>>>>      ------------------------------
>>>> *From:* Cigdem Issever
>>>> *Sent:* 24 February 2015 17:03
>>>>
>>>> *To:* shou at crimson.ua.edu; Email the developers
>>>> *Subject:* RE: [Blackmax] Running BlackMax at 8 TeV failed
>>>>
>>>>    I am not sure what BlackMax does if you set the maximum mass to a
>>>> higher value than the centre of mass energy.
>>>>
>>>> Can you try to run blackmax for the COM = 8 TeV with a maximum mass
>>>> value of 8TeV? and see if you still have this problem?
>>>>
>>>> Cigdem
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> Cigdem Issever <https://www2.physics.ox.ac.uk/contacts/people/issever>
>>>>
>>>> University of Oxford                    @ CERN office 104/1-C14
>>>> Skype-id: cigdem.issever            Oxford Tel: +44-1865-273337
>>>>
>>>> ---------------------------------------------------------------------
>>>>      ------------------------------
>>>> *From:* Cigdem Issever
>>>> *Sent:* 24 February 2015 17:01
>>>> *To:* shou at crimson.ua.edu; Email the developers
>>>> *Subject:* RE: [Blackmax] Running BlackMax at 8 TeV failed
>>>>
>>>>   Dear Shaoqi,
>>>>
>>>> the parameter file you have send is this the the file which causes the
>>>> problems? I see that the centre of mass energy in this file is set to 9TeV.
>>>> Can you send me the file which causes the problem? Or are you just changing
>>>> the centre of mass energy from 9 to 8 TeV in this file and you end up with
>>>> problems?
>>>>
>>>> I just want to make sure that there is not a typo in the parameter file
>>>> where you set the CoM to 8 TeV.
>>>>
>>>> Best
>>>>   Cigdem
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> Cigdem Issever <https://www2.physics.ox.ac.uk/contacts/people/issever>
>>>>
>>>> University of Oxford                    @ CERN office 104/1-C14
>>>> Skype-id: cigdem.issever            Oxford Tel: +44-1865-273337
>>>>
>>>> ---------------------------------------------------------------------
>>>>      ------------------------------
>>>> *From:* blackmax-bounces at projects.hepforge.org [
>>>> blackmax-bounces at projects.hepforge.org] on behalf of Shaoqi Hou [
>>>> shou at crimson.ua.edu]
>>>> *Sent:* 24 February 2015 16:45
>>>> *To:* blackmax at projects.hepforge.org
>>>> *Subject:* [Blackmax] Running BlackMax at 8 TeV failed
>>>>
>>>>    To whom it may concern,
>>>>
>>>>  I am a graduate student at the University of Alabama. Recently, I
>>>> tried to run BlackMax to reproduce the results of Fig. 1 published in the
>>>> paper JHEP 07 (2013) 178. But unfortunately, BlackMax got stuck when the
>>>> center of mass energy was set to 8 TeV. If the center of mass energy is 14
>>>> TeV or 9 TeV, BlackMax runs successfully. The attachment is the parameter
>>>> file. Please look into this problem. Thank you!
>>>>
>>>>  Best wishes
>>>>
>>>>  Shaoqi Hou
>>>>
>>>>
>>>
>>
>
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