Speaker
Description
The dimuon mass spectrum, unlike-sign as well as like-sign, is a unique
probe to directly access the different stages of a heavy-ion collision.
The unlike-sign intermediate ($1< m_{\mu^+\mu^-}<3$ GeV/$c^2$) and high
($4< m_{\mu^+\mu^-}<8$ GeV/$c^2$) mass regions are dominated by semi-leptonic
decays of open charm and bottom, and therefore provide information about
the heavy flavor dynamics. The like-sign dimuon mass spectrum in the
high mass region mostly comprise of bottom decays coming from $B^0$
oscillations, which provides a strong constraint to the bottom
cross-section. This poster will present the current status of the
analysis of open heavy flavor ($c\bar{c}$ and $b\bar{b}$) using the high statistics
2015 p+p data collected with the PHENIX detector in the rapidity range
1.2 < |y| < 2.2 at $\sqrt{s_{_{NN}}}$ = 200 GeV. In this poster, we present the status
of the analysis to determine $c\bar{c}$ and $b\bar{b}$ separated yields by
exploiting a double-differential fit done simultaneously in mass and $p_T$
, for both unlike and like sign mass spectra, and with ${\sigma_{c\bar{c}}}$ and ${\sigma_{b\bar{b}}}$ as free parameters.
| Preferred Track | Open Heavy Flavors |
|---|---|
| Collaboration | PHENIX |
