sPHENIX tracking discussion

[Spencer Klein <srklein AT lbl.gov>]

Haiwang:

I have the same comment on this poster that I did on the pre-proposal. 

The poster has a lot of material about finding b hadrons, but not much about finding an associated jet once the b-hadron is found.    We see from STAR that finding jets at RHIC is very tough, and it is even tougher to extract useful information, due to a variety of causes.  The underlying event, with its underlying azimuthal variation due to anisotropic flow is not easy to remove.   In the case of b jets, we also need to consider the effect of overlapping b-hadrons + non-b jets and also misidentified charm (in either a charm jet, or coincident background).  And, since jets in AA are modified from those in pp, one should not do a naive apples-to-apples comparison of their extracted jets.

Spencer

On 1/31/17 09:33, Haiwang Yu wrote:

Dear all,

I uploaded a QM17 poster draft for the b-jet tagging study.

https://indico.bnl.gov/getFile.py/access?contribId=18&resId=0&materialId=slides&confId=2794

Comments and suggestions will be very appreciated.

Cheers,

Haiwang

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