An alternative fit to Belle mass spectra for DD, D*D* and Lambda_C Lambda_c

Details An alternative fit to Belle mass spectra for DD, D*D* and Lambda_C Lambda_c An alternative fit to Belle mass spectra for DD, D*D* and Lambda_C Lambda_c

2008-11-16

arxiv.org/abs/0811.2559v2

J.Phys.G36:075002,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 1 figures Shorted version, conclusions unchanged

Scientific paper

10.1088/0954-3899/36/7/075002

Peaks observed by Belle in DD at 3.878 GeV and in D*D* at 4.156 GeV may be
fitted by phase space multiplied by a form factor with an RMS radius of
interaction 0.63 fm. The peak observed in Lambda_C Lambda_C at 4.63 GeV may be
explained by Y(4660), multiplied by a corresponding form factor with RMS radius
0.94 fm.

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