210 research outputs found
Erdoğan accuses Germany of echoing the Nazis – but his own record on anti-Semitism is shameful
Turkish President Recep Tayyip Erdoğan recently generated controversy in Germany after he compared the actions of German officials with Nazis. The comments came following Germany’s decision to block political rallies linked to an upcoming referendum in Turkey on 16 April. Marc David Baer argues that the incident should be used to shine a light on the Turkish government’s own deployment of antisemitic conspiracy theories
Light Gravitinos at Colliders and Implications for Cosmology
Light gravitinos, with mass in the eV to MeV range, are well-motivated in
particle physics, but their status as dark-matter candidates is muddled by
early-Universe uncertainties. We investigate how upcoming data from colliders
may clarify this picture. Light gravitinos are produced primarily in the decays
of the next-to-lightest supersymmetric particle, resulting in spectacular
signals, including di-photons, delayed and non-pointing photons, kinked charged
tracks, and heavy metastable charged particles. We find that the Tevatron with
20/fb and the 7 TeV LHC with 1/fb may both see evidence for hundreds of
light-gravitino events. Remarkably, this collider data is also well suited to
distinguish between currently viable light-gravitino scenarios, with striking
implications for structure formation, inflation, and other early-Universe
cosmology.Comment: 12 pages, 6 figures. To be submitted to Phys. Rev. D
Mistaken for Jews: Turkish PhD students in Nazi Germany
The history and memory of “Turks” in Germany during World War II is a “blind spot” in Turkish- German Studies. What still needs to be examined are non-archival Turkish texts and contexts of that era, especially autobiographical accounts, written in Turkish and German, which complicate our understanding of Turkish, German, and Jewish entanglements, encounters, and exchanges. This article fills this gap by presenting the accounts of citizens of the Turkish Republic who earned PhDs in Nazi Germany and were eyewitnesses to the antisemitic persecution of that era, especially the Kristallnacht pogrom on November 9, 1938, which led them to fear being mistaken for Jews
Protestant Islam in Weimar Germany: Hugo Marcus and 'the message of the holy prophet Muhammad to Europe'
The article explores the Islam envisioned in the extensive writings of one of the most prominent German converts to Islam in Weimar Germany, the Jewish poet, philosopher, and political activist Hugo Marcus (1880–1966). Marcus's understanding of Islam is a surprisingly Eurocentric and even Germanic one. It is not only the religion of the German past, Marcus claims, but also, given its faith in the intellect and in progress, the religion of the future. His ideas do not figure in the historiography of Weimar Germany. While many of the new political notions of the future that Weimar writers contemplated have been explored, scholars have paid less attention to the spiritual and religious utopias envisioned in the 1920s. This article engages with German responses to the rupture of World War I and the realm of imagined political possibilities in Weimar Germany by focusing on one such utopia overlooked in historiography, Marcus's German-Islamic synthesis
Maine Perspective, v 3, i 2
The Maine Perspective, a publication for the University of Maine, was a campus newsletter produced by the Department of Public Affairs which eventually transformed into the Division of Marketing and Communication. Regular columns included Along the Mall, Campus Notes, the UM Calendar, Sponsored Programs, Faculty Publications, and employment openings. Included in this issue is an article covering high school students joining UM Researchers in the SEED project
Maine Perspective, v 3, i 3
The Maine Perspective, a publication for the University of Maine, was a campus newsletter produced by the Department of Public Affairs which eventually transformed into the Division of Marketing and Communication. Regular columns included Along the Mall, Campus Notes, the UM Calendar, Sponsored Programs, Faculty Publications, and employment openings. Included in this issue are articles covering a symposium on World Peace featuring Samantha Smith, Eunice Baumann-Nelson, Robert Chandler Jr., Bernard Lown, and Doris Twitchell Allen, opening of the Counseling Center and Student Health and Substance Abuse Services at Cutler Health Center, and the history of labor in Maine
Maine Perspective, v 3, i 2
The Maine Perspective, a publication for the University of Maine, was a campus newsletter produced by the Department of Public Affairs which eventually transformed into the Division of Marketing and Communication. Regular columns included Along the Mall, Campus Notes, the UM Calendar, Sponsored Programs, Faculty Publications, and employment openings. Included in this issue is an article covering high school students joining UM Researchers in the SEED project
A Running Spectral Index in Supersymmetric Dark-Matter Models with Quasi-Stable Charged Particles
We show that charged-particles decaying in the early Universe can induce a
scale-dependent or `running' spectral index in the small-scale linear and
nonlinear matter power spectrum and discuss examples of this effect in minimal
supersymmetric models in which the lightest neutralino is a viable
cold-dark-matter candidate. We find configurations in which the neutralino
relic density is set by coannihilations with a long-lived stau, and the late
decay of staus partially suppresses the linear matter power spectrum. Nonlinear
evolution on small scales then causes the modified linear power spectrum to
evolve to a nonlinear power spectrum similar (but different in detail) to
models parametrized by a constant running by
redshifts of 2 to 4. Thus, Lyman- forest observations, which probe the
matter power spectrum at these redshifts, might not discriminate between the
two effects. However, a measurement of the angular power spectrum of primordial
21-cm radiation from redshift -- might distinguish between
this charged-decay model and a primordial running spectral index. The direct
production of a long-lived charged particle at future colliders is a dramatic
prediction of this model.Comment: 15 pages, 12 figures, submitted to Phys. Rev.
Radiation Hardening of Digital Color CMOS Camera-on-a-Chip Building Blocks for Multi-MGy Total Ionizing Dose Environments
The Total Ionizing Dose (TID) hardness of digital color Camera-on-a-Chip (CoC) building blocks is explored in the Multi-MGy range using 60Co gamma-ray irradiations. The performances of the following CoC subcomponents are studied: radiation hardened (RH) pixel and photodiode designs, RH readout chain, Color Filter Arrays (CFA) and column RH Analog-to-Digital Converters (ADC). Several radiation hardness improvements are reported (on the readout chain and on dark current). CFAs and ADCs degradations appear to be very weak at the maximum TID of 6 MGy(SiO2), 600 Mrad. In the end, this study demonstrates the feasibility of a MGy rad-hard CMOS color digital camera-on-a-chip, illustrated by a color image captured after 6 MGy(SiO2) with no obvious degradation. An original dark current reduction mechanism in irradiated CMOS Image Sensors is also reported and discussed
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