Semileptonic heavy → heavy and heavy → light meson transitions are studied as a phenomenological application of a heavy-quark limit of Dyson-Schwinger equations. Employing two parameters: E, the difference between the mass of the heavy meson and the effective-mass of the heavy quark; and Λ, the width of the heavy-meson Bethe-Salpeter amplitude, we calculate f+(t) for all decays on their entire ...

Please see the full text contains the Pesian abstracts for this volume.

Insofar as one of the fundamenta l object ives of organic synthesis is the const ruct ion of complex molecules from simpler ones, the impor tance of synthet ic efficiency becomes immedia tely apparen t and has been well-recognized.1 The increase in molecula r complexity2 tha t necessar ily accompanies the course of a synthesis provides a guide (and a measure) of synthet ic efficiency. As a goal...

2-phosphonobutane-1,2,4-tricarboxylic acid is(pbtc) a member of phosphonate family, and used as corrosion and scale inhibitor in cooling water systems. phosphonocarboxylates as a member of organophosphorus compounds have c-p and p-o bonds in their structures. pbtc is mainly used as carbonate scale inhibitor (caco3), sulphate scale inhibitor (caso4), corrosion inhibitor of low alloyed steel, eff...

Although Bohr’s reply to the EPR argument is supposed to be a watershed moment in the development of his philosophy of quantum theory, it is difficult to find a clear statement of the reply’s philosophical point. Moreover, some have claimed that the point is simply that Bohr is a radical positivist. In this paper, we show that such claims are unfounded. In particular, we give a mathematically r...

Please see the full text contains the Pesian abstracts for this volume.