منابع مشابه
Stable Multiquark Interactions
The necessity of adding higher order multiquark interactions to the three flavor NJL model with UA(1) breaking, in order to stabilize its vacuum, is discussed.
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Anxiety comprises many clinical descriptions and phenotypes. A genetic predisposition to anxiety is undoubted; however, the nature and extent of that contribution is still unclear. Extensive genetic studies of the serotonin (5-hydroxytryptamine, 5-HT) transporter (5-HTT) gene have revealed how variation in gene expression can be correlated with anxiety phenotypes. Complete genome-wide linkage s...
متن کاملp30: are there anxious genes?
anxiety comprises many clinical descriptions and phenotypes. a genetic predisposition to anxiety is undoubted; however, the nature and extent of that contribution is still unclear. extensive genetic studies of the serotonin (5-hydroxytryptamine, 5-ht) transporter (5-htt) gene have revealed how variation in gene expression can be correlated with anxiety phenotypes. complete genome-wide linkage s...
متن کاملStability of Multiquark Systems
We give a brief review of developments in the field of exotic hadrons formed of more than three quarks and/or antiquarks. In particular we discuss the stability of multiquark systems containing heavy flavours. We show that the gluon exchange model and the chiral constituent quark model based Goldstone boson (pseudoscalar meson) exchange give entirely different results.
متن کاملElusive multiquark spectroscopy ∗
A review is presented of past and recent attempts to build multiquark states within current models already describing ordinary mesons and baryons. This includes: coherence in the chromomagnetic interaction, tetraquarks with two heavy quarks, Steiner-tree models of confinement, and hadronic molecules, in particular in the hidden-charm sector. Some emphasis is put on the difficulties encountered ...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 1983
ISSN: 0370-2693
DOI: 10.1016/0370-2693(83)90540-3