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We present measurements of exclusive ensuremathπ+,0 and η production in pp reactions at 1.25GeV and 2.2GeV beam kinetic energy in hadron and dielectron channels. In the case of π+ and π0 , high-statistics invariant-mass and angular distributions are obtained within the HADES acceptance as well as acceptance-corrected distributions, which are compared to a resonance model. The sensitivity of the data to the yield and production angular distribution of Δ (1232) and higher-lying baryon resonances is shown, and an improved parameterization is proposed. The extracted cross-sections are of special interest in the case of pp → pp η , since controversial data exist at 2.0GeV; we find \ensuremathσ=0.142±0.022 mb. Using the dielectron channels, the π0 and η Dalitz decay signals are reconstructed with yields fully consistent with the hadronic channels. The electron invariant masses and acceptance-corrected helicity angle distributions are found in good agreement with model predictions.
Es wird deutlich, dass in Sachen Saatkrähe nun der erste Schritt gemacht wurde – weitere werden in den nächsten Jahren folgen. Für die nächste Saison wurden die notwendigen Maßnahmen in der Arbeitsgruppe bereits beschlossen. So wird das Wäldchen in Menzenbrock für eine Ansiedelung weiter optimiert und die Nester im alten Koloniestandort werden abermals entfernt. Mit einer erneuten Vergrämungsaktion am Krankenhausparkplatz und im Wäldchen am Altenheim soll die Umsiedlung nach Menzenbrock vorangetrieben werden. Der endgültige Umzug wird nach jetzigem Kenntnisstand aber erst in einigen Jahren abgeschlossen sein. So lange gilt es durchzuhalten und kooperativ zusammenzustehen.
Der literarische Mythos des Dr. Faust – Ansätze und Eckpunkte einer Phänomenologie im Überblick
(2013)
Due to its multidimensional model of identity, the literary myth of Dr. Faustus is suitable for a phenomenological analysis. This paper investigates this identity model as well as the most important aspects that must taken into account in this respect: its modulations, interpretations and variations, the instances of relevant expression that the literary myth of Dr. Faustus has adopted in its transformations across cultures and time.
The present contribution is meant as an approach to the debate mentioned in the heading. It is important to find ways, to make on one side the learning and the cultivation of the German language attractive for the young people and on the other side to regain again the peoples’ conscious, here and there, for the centuries-long German culture and history. Teachers of both sexes as well as the students who are going to become teachers are the future multipliers par excellence. Due to a variety of integral pedagogical and linguistic didactical concepts –meant simultaneously for transmitting information, meeting, exchange and networking – there have to be found innovative ideas, precise proposals have to be worked out, which both also strengthen the social relevance of the local Institutions and German Departments respectively Faculties, which qualify teachers for the German language and providing in this way a contribution to the harmonization of the civil society.
On a close examination, the Romanian cultural space suggests the existance of a spiritual and cultural incompatibility between Romanian existential feeling and the Faustian man, endowed with the personality and character of Faustus. The Faustian character, Faustus and his literary myth have been imported in Romanian culture. Under the circumstances, this paper investigates the manner in which Faustian aspects and motives reflect in Romanian literature.
Eine Ausstellung des Jüdischen Museum Frankfurt zeigte vor einigen Jahren eine umfangreiche Sammlung von Postkarten mit antisemitischen Darstellungen, Abbildungen und Zeichnungen. Die Ausstellung führte vor Augen, wie gängig antisemitische Motive bereits bei der Einführung der Postkarte 1870 im alltäglichen Leben waren. Auf Grußkarten zu Geburtstagen und aus dem Urlaub wurden – mal unzweideutig, mal in Form subtiler Karikaturen – antisemitische Bildpolemiken verbreitet. Die kleinen Zeichnungen, die tausendfach ihren Weg in Privathaushalte gefunden haben mussten (anders lassen sich die zahlreichen Exemplare, die man noch immer auf Flohmärkten erwerben kann, nicht erklären), zeigen genauso wie wissenschaftsgeschichtliche Forschungen zur Rassenlehre und Anthropologie, dass der spezifisch „jüdische Körper“ keine Erfindung der Nationalsozialisten war. Diese griffen für ihre antisemitische Ideologie auf Ideen, wissenschaftliche Forschungen und rassistische Paradigmen zurück, die bereits seit dem 19. Jahrhundert entwickelten. Judenfeindliche Bilddarstellungen freilich gab es bereits im frühen Mittelalter. Und doch kann man die „Herstellung des jüdischen Körpers“ als nationalsozialistisches Projekt bezeichnen, waren doch Zentrum und Fundament der nationalsozialistischen Weltanschauung der propagierte Unterschied zwischen Rassen, allen voran zwischen „Ariern“ und Juden. Welche Bedeutung und Dimension die Vorstellung von der jüdischen Physiognomie während des Nationalsozialismus, vor allem für die Verfolgten hatte, und welche Auswirkungen dies auf die Praxis der Verfolgung und die Praktiken des Sich-Entziehens hatte, wird im Folgenden zu schildern sein. Juden wurden aus einem einzigen Grund gejagt: weil sie Juden waren. Die nähere Betrachtung der Verfolgungspraxis soll zeigen, dass die rassistische und antisemitische Ideologie auch unmittelbare Auswirkungen auf die Wahrnehmung des „jüdischen Körpers“ hatte.
Lantibiotics are peptide-derived antibiotics that inhibit the growth of Gram-positive bacteria via interactions with lipid II and lipid II-dependent pore formation in the bacterial membrane. Due to their general mode of action the Gram-positive producer strains need to express immunity proteins (LanI proteins) for protection against their own lantibiotics. Little is known about the immunity mechanism protecting the producer strain against its own lantibiotic on the molecular level. So far, no structures have been reported for any LanI protein. We solved the structure of SpaI, a LanI protein from the subtilin producing strain Bacillus subtilis ATCC 6633. SpaI is a 16.8-kDa lipoprotein that is attached to the outside of the cytoplasmic membrane via a covalent diacylglycerol anchor. SpaI together with the ABC transporter SpaFEG protects the B. subtilis membrane from subtilin insertion. The solution-NMR structure of a 15-kDa biologically active C-terminal fragment reveals a novel fold. We also demonstrate that the first 20 N-terminal amino acids not present in this C-terminal fragment are unstructured in solution and are required for interactions with lipid membranes. Additionally, growth tests reveal that these 20 N-terminal residues are important for the immunity mediated by SpaI but most likely are not part of a possible subtilin binding site. Our findings are the first step on the way of understanding the immunity mechanism of B. subtilis in particular and of other lantibiotic producing strains in general.
A single wavelength heterodyne interferometer has been set up to investigate the free electron density integrated axially along the line of sight (line density) in a theta-pinch plasma to determine its applicability as a plasma target for ion beam stripping. The maximal line density reached in this experiment was (3.57 ± 0.28) × 1018 cm−2 at 80 Pa and 20 kV. The findings demonstrate the pulsed character of the line density and its increase by raising the load voltage and the working gas pressure. Additionally, the results were compared with spectroscopic free electron density estimations, which were carried out by Hβ -line broadening and peak separation. The time behavior of the line density indicates that its peak value is delayed by about 10 μs compared to the spectroscopic results. This effect is due to the formation of an extended, magnetically compressed plasma column in the vicinity of the current maximum, although the highest volumetric free electron density is reached near the current zero crossing. Since the line density is an essential parameter in describing the stripping capabilities of the plasma target, the interferometric diagnostic is superior to a spectroscopic diagnostic, because it directly provides integrated values along the line of sight. Furthermore, the measurements of the line density in this experiment partially show nonphysical negative values, which is due to gaseous effects and residual shot vibrations.