نتایج جستجو برای: scimitar syndrome
تعداد نتایج: 622005 فیلتر نتایج به سال:
A generic feature of string-derived models is the appearance of an anomalous Abelian U (1) A symmetry which, among other properties, constrains the Yukawa couplings and distinguishes the three families from each other. In this paper, we discuss in a model-independent way the general constraints imposed by such a U (1) A symmetry on fermion masses, R-violating couplings and proton-decay operator...
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Diffraction anomalous fine-structure (DAFS) and extended x-ray absorption fine-structure (EXAFS) measurements were combined to determine short range order (SRO) about a single atomic type in a sample of mixed amorphous and nanocrystalline phases of germanium. EXAFS yields information about the SRO of all Ge atoms in the sample, while DAFS determines the SRO of only the ordered fraction. We dete...
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