منابع مشابه
Genetics: C. Stern
which involved various strains of race A and race B coming from diverse parts of the distribution area of each race. These races were of different "strength," and had different types of Y-chromosomes (Dobzhansky and Boche,6 Dobzhansky7). The details of chromosome morphology and chromosome differences between the two races of Drosophila pseudoobscura is now in press elsewhere., The present ident...
متن کاملThe W Mass and the U Parameter
The Z-pole data from e+e− colliders 1 and results from the NuTeV 2 experiment at Fermilab can be brought into agreement if (1) the neutrino-Z couplings were suppressed relative to the Standard Model (SM), and (2) the Higgs boson were much heavier than suggested by SM global fits 1. However, increasing the Higgs boson mass will move the theoretical value of the W mass away from its experimental ...
متن کاملThe SU(3)C×SU(4)W×U(1)B−L Models with Left-Right Unification
Abstract: The left-right models provide an explanation for the parity asymmetry in the the Standard Model (SM). To further understand the origin of the left-right symmetry, we study a partial unification model based on SU(4)W×U(1)B−L which can be broken down to the minimal left-right model either through the Higgs mechanism in four dimensions or through the five-dimensional orbifold gauge symme...
متن کاملA Three - Family SU ( 4 ) c ⊗ SU ( 2 ) w ⊗ U ( 1 ) Type I Vacuum
We construct a four dimensional chiral N = 1 space-time supersymmetric perturbative Type I vacuum corresponding to a compactification on a toroidal Z2 ⊗ Z2 ⊗ Z3 orbifold with a discrete Wilson line. This model is non-perturbative from the heterotic viewpoint. It has three chiral families in the SU(4)c⊗SU(2)w ⊗U(1) subgroup of the total gauge group. We compute the tree-level superpotential in th...
متن کاملProfessor C. W. Boeck
world generally. Wilhelm Boeck was born at Kongsberg in 1808, became a student in 1S27. Doctor in 1831; he was elected member of the Storthing in 1845 and Professor at the University in 1846. Boeck's name and scientific merits stand in special connexion witli his investigation of two of the most terrible forms of disease which have afflicted and still afflict the human race. Of one of these, Le...
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ژورنال
عنوان ژورنال: Indogermanische Forschungen
سال: 1910
ISSN: 1613-0405,0019-7262
DOI: 10.1515/if-1910-0141