Projection of a Measurement of the Nonphotonic Electron v2 in Au+Au Collisions at STAR
Journal Article
·
· International Journal of Modern Physics E
We present a method of measuring the elliptic flow (v{sub 2}) of nonphotonic electrons from heavy flavor quark decays using the STAR detector at RHIC in Au + Au collisions at {radical}S{sub NN}. Inclusive electrons are identified in the p{sub T} range 0.5-4 GeV/c at mid-rapidity -1 < {eta} < 0 by the STAR time projection chamber (TPC) and time-of-flight detector. Photonic e{sup +}e{sup -} pairs with characteristic low invariant mass are reconstructed in the TPC and their v{sub 2} is measured using the standard event plane method by subtracting the combinatorial background in the dN/d{Delta}{phi} distributions in each p{sub T} bin. The nonphotonic electron v{sub 2} and its propagated error can be derived from the inclusive and photonic electron v{sub 2}. We estimate the necessary statistics and errors of nonphotonic electron v{sub 2} for a more recent RHIC run.
- Research Organization:
- Brookhaven National Laboratory (BNL) Relativistic Heavy Ion Collider
- Sponsoring Organization:
- DOE - OFFICE OF SCIENCE
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 1034070
- Report Number(s):
- BNL--96385-2011-JA; KB0202012
- Journal Information:
- International Journal of Modern Physics E, Journal Name: International Journal of Modern Physics E Journal Issue: 8 Vol. 20; ISSN 0218-3013
- Country of Publication:
- United States
- Language:
- English
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