Solution of the entropy crisis of supersymmetric theories

Most supersymmetric models possess a decoupled particle with mass of order M_W which is copiously produced in the early universe and whose decays produce huge amounts of entropy. We show how this problem is avoided in theories in which the hidden sector contains several light fields.     

Comments on “theory of oscillatory oxidation of carbon monoxide over platinum” by R.E. Lagos,B.S. Sales and H. Suhl

The position of the thermochemical surface oscillation (TCSO) model applied to the CO oxidation on supported Pt pellets is tentatively specified.     

Absolute residue cross sections for 46–50Ti + 13C reactions at 36, 46 and 56 MeV

Absolute cross sections for nuclei produced in the reactions ^46–50Ti + ¹³C at 36, 46 and 56 MeV (lab) were measured. Complete identification in mass and atomic number for the evaporation residues was obtained by means of in-beam γ-ray spectroscopy techniques. In the entire energy range, an overall satisfactory account of the observed product nuclei is given by the predictions of the fusion-evaporation model. Direct channels like inelastic scattering and n-transfer appear to be noticeable and contribute ~ 15 % to the total cross section.     

Note on linear systems derivable from a variational principle

This paper is a complementation of a previous one, in which we studied the problem of converting general linear second-order equations into Euler-Lagrange equations through multiplication by a time-dependent matrix. The present paper discusses the possibility of having multipliers depending on coordinates and velocities too.     

The decay of neutron deficient97Ag,98Ag,and99g,m Ag

The decays of neutron-deficient 21-sec⁹⁷Ag, 44.5-sec⁹⁸Ag, 15-sec^99mAg, and 124-sec^99gAg nuclides have been investigated with the LISOL facility. Sources were produced by the⁹²Mo(¹⁴N, ypxn) reactions on an enriched⁹²Mo target. Positron-, x-, and γ-ray singles spectra have been performed on mass separated samples. The results are consistent with 9/2⁺ ground state in⁹⁹Ag and a high (6⁺ or 7⁺) spin and parity for⁹⁸Ag.     

HPLC-Methode zur Untersuchung der Chlorogens?ure-Spaltung durch Depsidase

Ohne Zusammenfassung

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HPLC method for the investigation of chlorogenic acid cleavage by depsidase