Global polarization of Λ hyperons has been measured to be of the order of a few tenths of a percent in Au+Au collisions at √ s N N = 200 GeV, with no significant difference between Λ andΛ.These new results reveal the collision energy dependence of the global polarization together with the results previously observed at √ s N N = 7.7 -62.4 GeV and indicate noticeable vorticity of the medium created in non-central heavy-ion collisions at the highest RHIC collision energy. The signal is in rough quantitative agreement with the theoretical predictions from a hydrodynamic model and from the AMPT (A Multi-Phase Transport) model. The polarization is larger in more peripheral collisions, and depends weakly on the hyperon's transverse momentum and pseudorapidity η H within |η H | < 1. An indication of the polarization dependence on the event-by-event charge asymmetry 3 is observed at the 2σ level, suggesting a possible contribution to the polarization from the axial current induced by the initial magnetic field. PACS numbers: 25.75.-q, 25.75.Ld

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Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Terms of use: Documents in AbstractOur concern in this paper is two-fold: first to see whether the determinants of bank distress and failure have been any different in the GFC from previous years: second to see whether simple measures of capital adequacy outperform their risk-weighted counterparts as predictors, despite the focus on the later in the Basel framework. This paper examines bank distress within a large quarterly data set of FDIC-insured US banks from 1992 to 2012. We contrast the effects of risk-weighted and non-risk-weighted capital measures for various banking types using two estimation methods (logit and discrete survival time analysis). We predict bank failures and draw inferences about the stability of contributing bank characteristics. Our models incorporate CAMELS indicators that consider the bank-specific variables and macroeconomic conditions. We find that the non-risk-weighted capital measure, the adjusted leverage ratio, explains bank distress and failures best with considerable accuracy. Further, we find that the influence of the characteristics in the two methods differs only slightly. Also the characteristics of banks getting into bank distress are alike over time. That means that the familiar banking characteristics for identifying a distress-prone bank identified fragile banks effectively during the global crisis without new information and are likely to continue to work well in the future. Further, our findings suggest that the more complex a bank is the more effective is the leverage ratio compared to the risk-based capital ratio 2 .

The Big Gossan Cu-Au skarn deposit is the highest grade copper deposit in the world-class Ertsberg district, Irian Jaya. Current reserves are 37.4 million metric tons (Mr), grading 2.69 percent Cu, 1.02 g/t Au, and 16 g/t Ag. Mineralization is associated with a series of 3 to 4 Ma granodioritic dikes which have intruded close to the near-vertical faulted contact between the Shale Member of the Cretaceous Ekmai Formation and the stratigraphically overlying Paleocene Waripi and Eocene Faumai Formations. Most mineralization and alteration occurs in the purer carbonate rocks of the Waripi Formation, although biotite and calc-silicate hornfels alteration also occurs in the footwall rocks adjacent to mineralization.Prograde skarn alteration consists dominantly of pyroxene and garnet with an overall ratio of approximately 2:1. The average pyroxene and garnet compositions are Di73Hds4Joa and Ads47Gr•a5Sp•.sPy0..•, respectively. The skarn is zoned in three dimensions relative to the main fluid conduit along the Ekmai-Waripi contact. Proximal zones are garnet rich and the garnet has a dark red-brown color, whereas the pyroxene is pale in color and is iron poor. Intermediate zones contain subequal amounts of relatively coarse-grained, green pyroxene and brown garnet. Distal skarn zones are dominated by dark green, iron-rich (up to Hd75) pyroxene. Garnet in distal zones typically is pale green to greenish brown. At the skarn-marble contact, retrograde alteration (mostly amphibole and epidote) and sulfide minerals (mostly pyrite and pyrrhotite) are abundant. Chalcopyrite and anhydrite are present in all skarn zones. Although the skarn-marble contact is sharp, tiny dark veinlets (containing chlorite, serpentine, clay, sulfides, and/or carbon) which locally resemble stylolites record the passage of hydrothermal fluids for tens to hundreds of meters beyond the skarn. Skarn zonation in terms of mineral ratios, colors, and compositions can be used for exploration on both a local and district scale.In addition to mineralogy, Big Gossan is zoned with respect to metals. Cu, Au, Ag, Pb, Zn, As, and Co in the skarn all increase toward the top of the system, whereas Mo increases with depth. Similarly, Cu, Au, Ag, Pb, Zn, As, and Co increase (for a given elevation) toward the western and in most cases, toward the eastern margin of the system. Only Mo is inverse to this trend, defining a central core zone xvhich is interpreted to represent the main locus of fluid flow overlying the source pluton. Relative to the host rocks (Kembelangan and Waripi Formations), minera]ized skarn is enriched in Si, Fe, S, Cu, Ag, Au, As, Co, Se, and W. Both the host rocks and mineralized skarn are significantly depleted in rare earth elements relative to typical Phanerozoic sedimentary rocks. Particularly striking is the deep negative curopium anomaly, mostly < 1 ppm Eu.Fluids associated with prograde skarn are high-temperature, low COs (<0.05 mole %), NaC1-KC1 brines. Pressure-corrected temperatures for fluid inclusions in prograde skarn range from 360 ø to...

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