Observation of new resonances decaying to $$D\pi$$ and $$D^*\pi$$ in inclusive $e^ e^-$ collisions near $\sqrt{s}

Journal Article · Tue Sep 14 00:00:00 EDT 2010 · Phys.Rev.D82:111101,2010

DOI:https://doi.org/10.1103/PhysRevD.82.111101· OSTI ID:992886

del Amo Sanchez, P.; Lees, J. P.; Poireau, V.; Prencipe, E.; Tisserand, V.; Garra Tico, J.; Grauges, E.; Martinelli, M.; Palano, A.; Pappagallo, M.; Eigen, G.; Stugu, B.; Sun, L.; Battaglia, M.; Brown, David Nathan; Hooberman, B.; Kerth, L. T.; Kolomensky, Yu. G.; Lynch, G.; Osipenkov, I. L. ; Tanabe, T.

The authors present a study of the D{sup +}{pi}{sup -}, D{sup 0}{pi}{sup +}, and D*{sup +}{pi}{sup -} systems in inclusive e{sup +}e{sup -} {yields} c{bar c} interactions in a search for new excited D meson states. they use a dataset, consisting of {approx} 454 fb{sup -1}, collected at center-of-mass energies near 10.58 GeV by the BABAR detector at the SLAC PEP-II asymmetric-energy collider. They observe, for the first time, candidates for the radial excitations of the D{sup 0}, D*{sup 0}, and D*{sup +}, as well as the L = 2 excited states of the D{sup 0} and D{sup +}, where L is the orbital angular momentum of the quarks.

• Research Organization: SLAC National Accelerator Lab., Menlo Park, CA (United States)
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: AC02-76SF00515
• OSTI ID: 992886
• Report Number(s): SLAC-PUB-14246; arXiv:1009.2076; TRN: US1007842
• Journal Information: Phys.Rev.D82:111101,2010, Vol. 82, Issue 11; ISSN 1550--7998
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
D PLUS MESONS
D NEUTRAL MESONS
PIONS PLUS
PIONS MINUS
EXCITED STATES
ORBITAL ANGULAR MOMENTUM
PARTICLE DECAY
BARYONS
ELECTRON-POSITRON COLLISIONS
GEV RANGE 10-100
Experiment-HEP
HEPEX