[Halld-physics] Eta Proposal

[Eugene Chudakov]

Are you going to use the FDC for charged tracks?

Eugene

On Tue, 1 May 2012, Alexander Somov wrote:

>
> Hi,
>
> We are going to reconstruct recoil protons and
> veto events with charged track. I dont' think that
> the combinatorical background due to the pipeup
> of em events only is an issue.
>
> The em pileup with hadronic events is our concern.
>
> Mark, we have already made some 'preliminary' estimates
> of the hadronic bg - adding plots to the proposal.
>
> Cheers,
>        Sascha
>
>
>
>
> On Tue, 1 May 2012, Mark M. Ito wrote:
>
>> Folks,
>>
>> I have to endorse Matt's last sentence:
>>
>> On 04/30/2012 09:25 PM, Matthew Shepherd wrote:
>>> There can always be the unknown background, but the minimum goal should be
>>> to try to probe all possible known backgrounds.
>>>
>> Said another way, if there are known, possibly significant backgrounds that
>> have not been estimated, you are not done. Estimates do not have to be
>> iron-clad, but they do have to be reasonable.
>>
>>  -- Mark
>>
>> --
>> Mark M. Ito
>> Jefferson Lab (www.jlab.org)
>> (757)269-5295
>>
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