منابع مشابه
SUSY Splits, But Then Returns
We study the phenomenon of accidental or “emergent” supersymmetry within gauge theory and connect it to the scenarios of Split Supersymmetry and Higgs compositeness. Combining these elements leads to a significant refinement and extension of the proposal of Partial Supersymmetry, in which supersymmetry is broken at very high energies but with a remnant surviving to the weak scale. The Hierarchy...
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We examine the impact of firm ownership composition on both the abnormal returns at the announcement of a stock split and liquidity changes following a stock split. We find three results. First, the largest post-split increase in institutional ownership occurs for firms that had low institutional ownership prior to the split. Second, changes in liquidity are negatively related to the level of i...
متن کاملKiller splits
Although killer whales showed overall low levels of mitochondrial sequence variation, the researchers found three fixed differences between the open-sea type A whales compared with the two ice-inhabiting, other forms. " The genetic pattern suggests that, for females at least, there is no gene flow between them, " the authors write. But they do point out that the evidence for reproductive isolat...
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BACKGROUND Diffuse cutaneous leishmaniasis (DCL), although rare, is profoundly incapacitating. At present there is no successful treatment for this progressive protozoan infection, which is associated with the absence of specific cell-mediated immunity (CMI) to Leishmania. This disease shares features with visceral leishmaniasis (VL), including specific CMI inactivity during active disease and ...
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of protein for the mountain pygmy possum, a tiny 45 g possum and the only mammal unique to alpine and subalpine areas of Australia. Pygmy possums have a range totalling less than ten square kilometres and almost entirely coincident with Australian ski resorts, so it is perhaps fortuitous for them that they hibernate during the winter. Winter-active mammals, like the dusky antechinus (a carnivor...
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ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2011
ISSN: 1029-8479
DOI: 10.1007/jhep01(2011)062