On the scattering of D and D* mesons off the X(3872)

Details On the scattering of D and D* mesons off the X(3872) On the scattering of D and D* mesons off the X(3872)

2009-06-06

arxiv.org/abs/0906.1263v1

Phys.Rev.D80:014009,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 5 figures, revtex4

Scientific paper

10.1103/PhysRevD.80.014009

Both the mass (just below the D^{*0}Dbar^0 threshold) and the likely quantum numbers (J^{PC}=1^{++}) of the X(3872) suggest that it is either a weakly-bound hadronic ``molecule'' or a virtual state of charmed mesons. Assuming the X(3872) is a weakly-bound molecule, the scattering of neutral D and D* mesons off the X(3872) can be predicted from the X(3872) binding energy. We calculate the phase shifts and cross section for scattering of D^0 and D^{*0} mesons and their antiparticles off the X(3872) in an effective field theory for short-range interactions. This provides another example of a three-body process, along with those in nuclear and atomic systems, that displays universal properties. It may be possible to extract the scattering within the final state interactions of B_c decays and/or other LHC events.

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