Some Topics on Double Heavy Mesons: Heavy Quarkonia and $B_c$ Meson (Advances and outlooks)

TL;DR

This paper reviews recent advances in the study of double heavy flavored mesons, including heavy quarkonia and B_c mesons, highlighting key developments, remaining challenges, and future outlooks.

Contribution

It provides a comprehensive overview of recent progress and identifies future directions in the research of double heavy mesons.

Findings

Summarizes recent experimental and theoretical progress.

Identifies key challenges and open problems.

Outlines future research outlooks.

Abstract

The most important advances achieved recently on the double heavy flavored mesons are reviewed. Some problems and outlooks on them are also outlined.