[Blackmax] Print BH to LHA_Output

[Michiru Kaneda]

Dear Eram,

Thank you for a prompt replay.
I want to pass it to Pythia.
So it seems better not to print out them to avoid problems on color flow.

Regards,
Michiru

(23/7/13 13:39), Eram Rizvi wrote:
> Hi Michiru,
>
> Yes, that is correct - you can add the BH to the output in that way,
> unfortunately this is likely to cause problems with the hadronisation
> step and the lines of colour flow, but if you're only interested in
> the evolution of the BH as it decays then you can use the method you
> described. Of course, more complete information about the BH is given
> in the output.txt file including it's location on the brane after each
> emission step as well as its complete n-dimensional momentum.
>
> I hope that helps.
>
> Cheers
> Eram
>
> On 13 July 2011 12:09, Michiru Kaneda<Michiru.Kaneda at cern.ch>  wrote:
>> Dear BlackMax authors,
>>
>> Is it possible to print BH particles to LHA output?
>> In the source code (BlackMax.c), I found some lines with commend:
>> hepeup_.Imoth[ii][0] = 1; //jobby: don't write the black hole to
>> particle list
>> hepeup_.Imoth[ii][1] = 2; //jobby: don't write the black hole to
>> particle list
>> hepeup_.Imoth[ii][0] = 1; //jobby: don't write the black hole to
>> particle list
>> hepeup_.Imoth[ii][1] = 2; //jobby: don't write the black hole to
>> particle list
>> int BHlist = 0; //jobby: don't write the black hole to particle list
>>
>> It seems that if I comment out first four lines and change last as "int
>> BHlist=1",
>> and also add line
>> AddParticle(&NewEvent,0,dim,40,B_q_c,Pb,Q1, initial_particle);
>> after lines
>> //write initial point
>> if(WriteLHArecord==2)
>> { print_position(0,NN, pFile7, posbh, B_q_c, Pb, Lm, Mm,
>> ch_case,dim,E_simble,E_q_c,Pe,Emass,0.0);}
>>
>> I can write out BH.
>>
>> Is this correct procedure? or is there any problems to print out BH in
>> color connection or others...?
>>
>> Regards,
>> Michiru
>>
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