Sökresultat

High-intensity neutron beams, such as those available at the European Spallation Source (ESS), provide new opportunities for fundamental discoveries. Here, we discuss a novel Ramsey neutron-beam experiment to search for ultralight axion dark matter through its coupling to neutron spins, which would cause the neutron spins to rotate about the velocity of the neutrons relative to the dark matter hal

Objectives: This paper analyzes the educational content of the MinSmerte (MyPain) app, designed to educate patients on postoperative pain management after ambulatory surgery. It examines the complexity of instructional videos, investigating how these relate to the legitimacy claims constructed by educators – defined as assertions about the value of the information based on its relevance, authority

Smart card data and survey data have different characteristics, which combined have the potential to enrich the total level of information as well as to reduce inherent biases in each dataset. This paper describes a fruitful procedure to use survey data from a smartphone application-based travel survey with prompted recall to validate data from smart card transactions in the same geographical area

Stationary and mobile field gamma spectrometry is a useful tool for rapid estimation of environmental radioactivity inventories on and in the ground. A weak point however, is that the depth distribution of the activity in the ground must be known in order to calculate the true activity per unit area or unit mass from an observed photon fluence rate. A promising method for converting incoming spect

Controlled invariant set and viability regulation of dynamical control systems have played important roles in many control and coordination applications. In this paper we develop a \textit{temporal} viability regulation theory for general dynamical control systems, and in particular for control affine systems. The time-varying viable set is parameterized by time-varying constraint functions, with

In this paper we present and evaluate a method for estimation of in-network performance of mobile terminal antennas developed by the Swedish telecom operator Telia. The Telia Scattered Field Measurement (TSFM) Method is intended to give a better estimate of the performance of the mobile terminal antenna as in an in-network fading scenario. The parameter measured from the TSFM method is referred t

The Sami people have a long history of colonization, discrimination, marginalization and prosecution in their past. My thesis deals with how the Sami identity is created and reproduced today and how it has been shaped in the light of the history of the Sami people and the policies pursued by the Swedish government through times, and also why the search for identity, heritage and roots has had such

The Large Hadron Collider in Geneva was constructed as a discovery machine. So far, the Higgs boson has been the only discovery at the Large Hadron Collider, but physicists keep on pushing the limit in order to discover new particles. With the two major runs at the Large Hadron Collider showing some alluring surpluses of activity in multi-lepton final states, beyond the Standard Model theories are

This essay addresses the needs of so called ‘climate migrants’. It focuses exclusively on the relocation of the population of Kiribati, a small island nation in the Pacific Ocean whose very existence is threatened by the effects of climate change. With the principles of causality, morality, capacity and community, Miller’s Connection Theory provides the study with a framework for discussing the di

This Letter presents a search for tb resonances in 1.04 fb(-1) of LHC proton-proton collision data collected by the ATLAS detector at a center-of-mass energy of 7 TeV. Events with a lepton, missing transverse momentum, and two jets are selected and the invariant mass of the corresponding final state is reconstructed. The search exploits the shape of the tb invariant mass distribution compared to t