493 research outputs found
Om dysenterie. Academisk afhandling med ... medicinska facultetens i Upsala tillstånd, under inseende af ... Israël Hwasser ... för medicinska gradens erhållande utgifven af Leonhard Fahlander finne ... på medic. auditorium den 27 maji 1835. p. v. t. f. m. I delen. [Elektronisk resurs]
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Octupole states in Tl 207 studied through β decay
No full textThe β decay of Hg207 into the single-proton-hole nucleus Tl207 has been studied through γ-ray spectroscopy at the ISOLDE Decay Station (IDS) with the aim of identifying states resulting from coupling of the πs1/2-1, πd3/2-1, and πh11/2-1 shell model orbitals to the collective octupole vibration. Twenty-two states were observed lying between 2.6 and 4.0 MeV, eleven of which were observed for the first time, and 78 new transitions were placed. Two octupole states (s1/2-coupled) are identified and three more states (d3/2-coupled) are tentatively assigned using spin-parity inferences, while further h11/2-coupled states may also have been observed for the first time. Comparisons are made with state-of-the-art large-scale shell model calculations and previous observations made in this region, and systematic underestimation of the energy of the octupole vibrational states is noted. We suggest that in order to resolve the difference in predicted energies for collective and noncollective t=1 states (t is the number of nucleons breaking the Pb208 core), the effect of t=2 mixing may be reduced for octupole-coupled states. The inclusion of mixing with t=0,2,3 excitations is necessary to replicate all t=1 state energies accurately. © 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI
More than Metaphor. Approaching the Human Cadaver in Archaeology.
No full textDevelopments in body theory have had a strong impact on archaeology in recent years, but the concept of the body has tended to remain abstract. The term “body” is often used as a synonym for self or person, and the remains of bodies and body parts have often been approached theoretically as signs or symbols. While this has emphasized the importance of the body as a cultural construct and a social product, archaeologists have tended to overlook the equally important biological reality of the body. Bodies are more than metaphors. They are also biological realities. Maybe this becomes especially obvious at death, when the embodied social being is transformed into a cadaver, continuously in a state of transformation due to the processes of putrefaction and decomposition. In this transition, the unity of the mindful body and the embodied mind breaks down, and cultural and social control over the body can no longer be exercised from within, but instead has to be imposed from the outside. This article explores the friction between the culturally and socially produced body and the body as a biological entity at death. Through an approach that focuses both on the post mortem processes that affect the cadaver – and that can be seen as an ultimate materialization of death – and the practical handling of the dead body by the survivors, the author suggests a way toward an integrative and transdiciplinary approach to death and the dead body in archaeology
First identification of excited states in 59Zn
No full textExcited states in 59Zn were observed for the first time following the fusion-evaporation reaction 24Mg + 40Ca at a beam energy of 60 MeV. The GASP array in conjunction with the ISIS Silicon ball and the NeutronRing allowed for the detection of n-rays in coincidence with evaporated light particles. The mirror symmetry of 59Zn and 59Cu is discussed
Emission of intermediate mass fragments using γ-spectroscopic techniques
No full textIntermediate mass fragments (IMF) and light particles emitted from the 58Ni+58Ni reaction at a beam energy of 375 MeV have been studied. The fragments and light particles were measured in coincidence with 4π γ-ray spectrometer. The Z=6 (C) kinetic energy spectra and the distribution of the final nuclei in coincidence with the emitted C are well described by Hauser-Feshbach calculations extended to many channels. A detailed study of C-γ and 3α-γ correlations indicate a strong selectivity of the IMF decay. Our results indicate that the IMF can populate nuclei that are not accessible via multiple light particle (Z<3) emission and, thus, are useful for nuclear structure studies
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