2,529 research outputs found
Cutaneous CD30-positive T-cell lymphoproliferative disorders— clinical and histopathologic features, differential diagnosis, and treatment
No full textCutaneous lymphomas—An update 2019
No full textAbstract Primary cutaneous lymphomas (CL) are the second most common form of extranodal lymphomas. Cutaneous T‐cell lymphomas represent the majority. They are classified according to the WHO classification 2017 and the updated WHO‐EORTC 2018 published in the fourth edition of the WHO classification for Skin Tumors monograph. Primary cutaneous acral CD8+ T‐cell lymphoma and EBV‐positive mucocutaneous ulcer have been listed as new provisional entities. Moreover, the histological and genetic spectrum of lymphomatoid papulosis has been expanded. Recently, prognostic subtypes were delineated for some entities and subtypes of CL such as folliculotropic mycosis fungoides and marginal zone lymphoma. Since CL show overlapping histological features, clinico‐pathological correlation is of outmost importance for the diagnosis. Recent studies revealed new biomarkers and genetic alterations underlying the pathogenesis of CL. Moreover, targeted therapies have widened the treatment options particularly for aggressive lymphomas
Werner Helsper/ Lena Dreier/ Anja Gibson/ Katrin Kotzyba/ Mareke Niemann: Exklusive Gymnasien und ihre Schüler. Passungsverhältnisse zwischen institutionellem und individuellem Schülerhabitus. Wiesbaden: VS Verlag für Sozialwissenschaften 2017 (537 S.) [Rezension]
No full textRezension von: Werner Helsper/ Lena Dreier/ Anja Gibson/ Katrin Kotzyba/ Mareke Niemann: Exklusive Gymnasien und ihre Schüler. Passungsverhältnisse zwischen institutionellem und individuellem Schülerhabitus. Wiesbaden: VS Verlag für Sozialwissenschaften 2017 (537 S.; ISBN 978-3-658-17079-0; 69,99 EUR)
Few love to hear the sins they love to act': Father-Daughter incest in three versions of apollonius of tyre. Families
No full textCombined neutrino-mass analysis of the first five KATRIN science runs
No full textThe observation of neutrino oscillation proved that neutrinos possess a non-zero mass.
Neutrinos are one of the most elusive particles, the absolute mass scale of neutrinos remains unknown until today. The KArlsruhe TRItium Neutrino (KATRIN) collaboration aims to measure the neutrino mass by precision spectroscopy of tritium -decay with a design sensitivity of 0.2 eV/c. To this end, KATRIN measures the endpoint region of the tritium -electron spectrum. The first science run was taken in Spring 2019. Since then, more measurement campaigns have further improved the statistical precision. With an increasing number of campaigns, a combined analysis of all collected data becomes more challenging.
The main work presented in this thesis focuses on the neutrino-mass analysis of the first five neutrino-mass measurement campaigns. This result improves on previous neutrino mass limits from kinematic measurements.
Probing the neutrino mass is the main purpose of the KATRIN experiment.
Beyond this, the ultra-precise measurement of the -spectrum can be used for new physics searches. One such study is the search for extra (sterile) neutrino states.
The result of the light sterile neutrino search at the eV mass scale is presented based on the first and second KATRIN measurement campaigns
High-resolution spectroscopy of gaseous 83m Kr conversion electrons with the KATRIN experiment
No full text© 2020 The Author(s). Published by IOP Publishing Ltd. In this work, we present the first spectroscopic measurements of conversion electrons originating from the decay of metastable gaseous 83mKr with the Karlsruhe Tritium Neutrino (KATRIN) experiment. The obtained results represent one of the major commissioning milestones for the subsequent direct neutrino mass measurement with KATRIN. The successful campaign demonstrates the functionalities of the KATRIN beamline. Precise measurement of the narrow K-32, L3-32, and N2,3-32 conversion electron lines allowed to verify the eV-scale energy resolution of the KATRIN main spectrometer necessary for competitive measurement of the absolute neutrino mass scale
High-resolution spectroscopy of gaseous 83m Kr conversion electrons with the KATRIN experiment
No full text© 2020 The Author(s). Published by IOP Publishing Ltd. In this work, we present the first spectroscopic measurements of conversion electrons originating from the decay of metastable gaseous 83mKr with the Karlsruhe Tritium Neutrino (KATRIN) experiment. The obtained results represent one of the major commissioning milestones for the subsequent direct neutrino mass measurement with KATRIN. The successful campaign demonstrates the functionalities of the KATRIN beamline. Precise measurement of the narrow K-32, L3-32, and N2,3-32 conversion electron lines allowed to verify the eV-scale energy resolution of the KATRIN main spectrometer necessary for competitive measurement of the absolute neutrino mass scale
KATRIN: Status and Prospects for the Neutrino Mass and Beyond
No full textThe Karlsruhe Tritium Neutrino (KATRIN) experiment is designed to measure a
high-precision integral spectrum of the endpoint region of T2 beta decay, with
the primary goal of probing the absolute mass scale of the neutrino. After a
first tritium commissioning campaign in 2018, the experiment has been regularly
running since 2019, and in its first two measurement campaigns has already
achieved a sub-eV sensitivity. After 1000 days of data-taking, KATRIN's design
sensitivity is 0.2 eV at the 90% confidence level. In this white paper we
describe the current status of KATRIN; explore prospects for measuring the
neutrino mass and other physics observables, including sterile neutrinos and
other beyond-Standard-Model hypotheses; and discuss research-and-development
projects that may further improve the KATRIN sensitivity.Comment: Contribution to Snowmass 2021. 70 pages excluding references; 35
figures. Author list updated June 202
The haunted public sphere: women and the power of emotion in the works of Alexander Kluge and the films of the Berlin School
No full textMy dissertation sheds light on the German filmmaker and author Alexander Kluge and his ideas on filmmaking as they evolved out of his conception of the public versus the private spheres since the early 1960s. It was Kluge’s contention that personal experiences of war and violence could not be expressed publicly in the postwar Federal Republic, causing a rift between the two realms and a haunting presence of trauma within individuals and society as a whole. What Kluge, in cooperation with Oskar Negt, called “alternative public sphere” in Public Sphere and Experience (1972) and History and Obstinacy (1981) is closely linked to Woman and so-called “proletarian” forces countering instrumental reason and the bourgeois cultural matrix. Analyzing four crucial films from Kluge’s creative work, I outline the increasingly allegorical role of his concept of “female mode of production,” which constitutes Kluge’s aesthetics and thematic focus. How the ideas of “alternative public sphere” and “female mode of production” are linked to the cinema and Kluge’s theory of film is the focus of another chapter that scrutinizes Kluge’s recent literary compilation Cinema Stories (2007). Finally, I read a selection of contemporary German films considered the new filmic avant-garde through the lens of Kluge’s approach to film, to the “female mode of production,” and to the public sphere. This allows me to compare the ethics, the formal and political attitude of the so-called Berlin School directors to the vanguard movement of Young German Film in the sixties and early seventies. I conclude that the filmic Autoren today deal with a similar problem as Alexander Kluge has done throughout his career, namely the dissociation of personal, lived experience from public representation. They also employ formal and thematic strategies that can be related to the thoughts behind the Oberhausen generation of German filmmakers. While the generation of the leftist student movements sought public recognition of the atrocities committed under National Socialism, the Berlin School directors deal with mediated experience in times of media and finance corporatism as virtual realities threaten to take over the empiric world.Ph. D.Includes bibliographical referencesby Katrin Polak-Springe
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