分类: 物理学 >> 核物理学 提交时间: 2016-09-12
摘要: The BESIII experiment at the Beijing Electron Positron Collider (BEPCII) has accumulated the world's largest samples of direct e+e− collisions in the τ-charm region. From the collected samples, which include e+e− annihilations at J/ψ, ψ′, ψ(3770) peaks and in the region from 3.8GeV to 4.6GeV, BESIII has produced many new physics results in the spectroscopy, transitions, and decays of charmonium(-like) states. This talk will cover the latest results over a wide range of topics from radiative and hadronic transitions among charmonium states, as well as the productions and decays of the XYZ states.
分类: 物理学 >> 核物理学 提交时间: 2016-09-12
摘要: The BESIII experiment has collected world's largest direct e+e− colliding beam data at the J/ψ, ψ′, ψ(3770) and at and around the Y(4260). These data have enabled the study of hadrons at unprecedented precisions. We present results on the light hadron spectroscopy, production of hadrons in radiative decays of charmonia, observation of new excited N∗ baryons and of anomalous decays of the η/η′ states.