Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-08-26
Phys.Rev.D76:114002,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 1 figure. To be submitted to Phys. Rev. D (Brief Reports). Additional text, acknowledgment, references; note added on
Scientific paper
10.1103/PhysRevD.76.114002
A resonance-like structure in the $\pi^\pm \psi(2S)$ mass spectrum arising in
$B \to K \pi^\pm \psi(2S)$ has recently been reported. It is noted that the
mass of this structure, $4433 \pm 4 \pm 1$ MeV, is not far from the threshold
for production of $D^* \bar{D}_1(2420)$. A proposed mechanism for production of
this state is suggested, and tests are suggested.
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