Measurements of Nuclear Modification Factors of $B^{0}_{s}$ and $B^+$ Mesons in PbPb Collisions with the CMS Experiment

TL;DR

This paper reports measurements of $B^{0}_{s}$ and $B^+$ meson production in PbPb collisions at 5.02 TeV, providing insights into beauty quark energy loss, hadronization, and strangeness enhancement in quark-gluon plasma.

Contribution

First measurement of the $B^{0}_{s}$ to $B^+$ meson ratio in PbPb collisions at 5.02 TeV with the CMS detector.

Findings

The $B^{0}_{s}$ to $B^+$ ratio in PbPb collisions was measured.

Results provide insights into beauty quark hadronization mechanisms.

Data contribute to understanding strangeness enhancement in quark-gluon plasma.

Abstract

Beauty quarks are considered as one of the best probes of the strongly interacting medium created in relativistic heavy-ion collisions because they are predominantly produced via initial hard scatterings. Measurements of B meson production provide information about the diffusion of beauty quarks and the flavor dependence of in-medium energy loss. In these studies, clarifying the hadronization mechanism is crucial for understanding the transport properties of beauty quarks. Measurements of $B^{0}_{s}$ production can shed light on the mechanisms of beauty recombination in the medium and provide information about strangeness enhancement in the quark-gluon plasma. In this talk, we will present a new measurement of the ratio of $B^{0}_{s}$ to $B^+$ mesons in PbPb collisions at 5.02 TeV with the CMS detector, using data recorded in 2018.