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The Ds(2317) and Ds(2463) Mesons as Scalar and Axial-Vector Chiralons in the Covariant Level-Classification Scheme

The new narrow mesons observed recently in the final states Ds+ pi0 and Ds*+ pi0 are pointed out to be naturally assigned as the ground-state scalar and axial-vector chiralons in the c sbar system, which would newly appear in the covariant hadron-classification scheme proposed a few years ago.Comment: 8 pages, 1 figure, uses ptptex.st

Atomic layer deposition of Al-doped ZnO thin films

Atomic layer deposition has been used to fabricate thin films of aluminum-doped ZnO by depositing interspersed layers of ZnO and Al 2O3 on borosilicate glass substrates. The growth characteristics of the films have been investigated through x-ray diffraction, x-ray reflection, and x-ray fluorescence measurements, and the efficacy of the Al doping has been evaluated through optical reflectivity and Seebeck coefficient measurements. The Al doping is found to affect the carrier density of ZnO up to a nominal Al dopant content of 5 at. %. At nominal Al doping levels of 10 at. % and higher, the structure of the films is found to be strongly affected by the Al 2O3 phase and no further carrier doping of ZnO is observed.Peer reviewe

Charge Transfer Cross Sections for Multiply Charged Slow Ne, Ar, Kr and Xe Ions on Various Gas Targets : II. Molecular Gas Targets

Observed charge transfer cross sections are compiled, similarly to Part I, for multiply charged Ne, Ar, Kr and Xe ions on several molecular targets in an energy region from a few to tens keV. The projectiles are recoil ions produced by using our “ion-impact ion source” (IIIS). The values are compared with the results of other research workers