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7 papers · 1 filter
A Review of the Soft Pomeron
J. R. Cudell
Soft pomeron fits reproduce all zero-Q2 data for light quarks, but run into problems at HERA for heavy mesons and for high Q2, and at the Tevatron for W diffractive production. I r…
Hamiltonian Formulation of Bianchi Cosmological Models in Quadratic Theories of Gravity
Jacques Demaret, Laurent Querella
We use Boulware's Hamiltonian formalism of quadratic gravity theories in order to analyze the classical behaviour of Bianchi cosmological models for a Lagrangian density containing…
Strongly coupled positronium in a chiral phase
M. Bawin, J. Cugnon, H. Sazdjian
Strongly coupled positronium, considered in its pseudoscalar sector, is studied in the framework of relativistic quantum constraint dynamics. Case's method of self-adjoint extensio…
The Nucleon-Nucleon Interaction in the Chromo-Dielectric Soliton Model: Dynamics
S. Pepin, Fl. Stancu, W. Koepf +1
The present work is an extension of a previous study of the nucleon-nucleon interaction based on the chromo-dielectric soliton model. The former approach was static, leading to an…
Cosmological Formation of Low-Mass Objects
Zoltan Haiman, Anne A. Thoul, Abraham Loeb
We investigate the early formation of bound objects with masses comparable to the cosmological Jeans mass (10^5 solar masses). We follow the growth of isolated spherically symmetri…
On a Deformation of with Paragrassmannian Variables
B. Abdesselam, J. Beckers, A. Chakrabarti +1
We propose a new structure . This is realized by multiplying (, $δ\in \CC$) by , where is a real nilpotent -paragrassmann…