Abstract
The observation of the DsJ*(2317), DsJ(2460), and SELEX DsJ*(2632) states with properties differing considerably from what was expected has led to a renewed interest in hadron spectroscopy. In addition to these states, non-strange partners of the DsJ states have also been observed. Understanding the D0* and D1′ states can provide important insights into the DsJ states. In this contribution I examine quark model predictions for the D0* and D1′ states and discuss experimental measurements that can shed light on them. I find that these states are well described as the broad, j = 1/2 non-strange charmed P-wave mesons. In the latter part of this writeup I discuss the cs̄ possibilities for the SELEX DsJ*(2632) and measurements that can shed light on it.
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