Search results for " Multidisciplinary"
showing 10 items of 209 documents
First experimental study of photon polarization in radiative B0s decays.
2017
The polarization of photons produced in radiative $B^{0}_{s}$ decays is studied for the first time. The data are recorded by the LHCb experiment in $pp$ collisions corresponding to an integrated luminosity of 3fb$^{-1}$ at center-of-mass energies of $7$ and $8$TeV. A time-dependent analysis of the $B^{0}_{s} \to \phi \gamma$ decay rate is conducted to determine the parameter ${\mathcal{A}}^\Delta$, which is related to the ratio of right- over left-handed photon polarization amplitudes in $b \to s \gamma$ transitions. A value of ${\mathcal{A}}^\Delta=-0.98^{\,+0.46\,+0.23}_{\,-0.52\,-0.20}$ is measured. This result is consistent with the Standard Model prediction within two standard deviatio…
Magnetic Monopole Search with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions Interpreted in Photon-Fusion and Drell-Yan Production
2019
MoEDAL is designed to identify new physics in the form of stable or pseudostable highly ionizing particles produced in high-energy Large Hadron Collider (LHC) collisions. Here we update our previous search for magnetic monopoles in Run 2 using the full trapping detector with almost four times more material and almost twice more integrated luminosity. For the first time at the LHC, the data were interpreted in terms of photon-fusion monopole direct production in addition to the Drell-Yan-like mechanism. The MoEDAL trapping detector, consisting of 794 kg of aluminum samples installed in the forward and lateral regions, was exposed to 4.0 fb$^{-1}$ of 13 TeV proton-proton collisions at the LHC…
Main Sequence Stars with Asymmetric Dark Matter
2012
We study the effects of feebly or non-annihilating weakly interacting Dark Matter (DM) particles on stars that live in DM environments denser than that of our Sun. We find that the energy transport mechanism induced by DM particles can produce unusual conditions in the core of Main Sequence stars, with effects which can potentially be used to probe DM properties. We find that solar mass stars placed in DM densities of rhochi>= e2 GeV/cm3 are sensitive to Spin-Dependent scattering cross-section sigmsd >= e-37 cm2 and a DM particle mass as low as mchi=5 GeV, accessing a parameter range weakly constrained by current direct detection experiments.
Insensitivity of Tree-Ring Growth to Temperature and Precipitation Sharpens the Puzzle of Enhanced Pre-Eruption NDVI on Mt. Etna (Italy)
2017
On Mt. Etna (Italy), an enhanced Normalized Difference in Vegetation Index (NDVI) signature was detected in the summers of 2001 and 2002 along a distinct line where, in November 2002, a flank eruption subsequently occurred. These observations suggest that pre-eruptive volcanic activity may have enhanced photosynthesis along the future eruptive fissure. If a direct relation between NDVI and future volcanic eruptions could be established, it would provide a straightforward and low-cost method for early detection of upcoming eruptions. However, it is unclear if, or to what extent, the observed enhancement of NDVI can be attributed to volcanic activity prior to the subsequent eruption. We conse…
Will women soon outperform men in open-water ultra-distance swimming in the ‘Maratona del Golfo Capri-Napoli’?
2014
Abstract This study investigated the change in sex differences across years in ultra-distance swimming performances at the 36-km ‘Maratona del Golfo Capri-Napoli’ race held from 1954 to 2013. Changes in swimming performance of 662 men and 228 women over the 59-year period were investigated using linear, non-linear and hierarchical regression analyses. Race times of the annual fastest swimmers decreased linearly for women from 731 min to 391 min (r 2 = 0.60, p < 0.0001) and for men from 600 min to 373 min (r 2 = 0.30, p < 0.0001). Race times of the annual top three swimmers decreased linearly between 1963 and 2013 for women from 736.8 ± 78.4 min to 396.6 ± 4.5 min (r 2 = 0.58, p <…
Self-care and anticipated transition into retirement and later life in a Nordic welfare context
2011
Olle S&ouml;derhamn1&ndash;3, Anne Skisland1,2, Margaretha Herrman31Department of Health and Nursing Sciences, Faculty of Health and Sport Sciences, University of Agder, Grimstad and Kristiansand, Norway; 2Centre for Caring Research &ndash; Southern Norway, Grimstad, Norway; 3Department of Nursing, Health and Culture, University West, Trollh&auml;ttan, SwedenAbstract: Few studies have appeared in the health care literature on the meaning of transition into retirement and later life. However, this predictable-involuntary transition may influence personal health and well-being, and studying it from a self-care perspective could be useful. The aim of this study was to illuminat…
Ability for self-care in urban living older people in southern Norway
2012
- Published article -cc-by-nc Background: The number of older people living in urban environments throughout the world will increase in the coming years. There is a trend in most European countries towards improved health among older people, and increased life expectancy for both women and men. Norway has experienced less increase in life expectancy than some other European countries, and it is therefore important to investigate older urban Norwegian people’s health and ways of living in a self-care environment, with special regard to health promotion. Aim: The aim of this study was to describe self-care ability among home-dwelling older (65+ years) individuals living in urban areas in sout…
Lived experiences of self-care among older, home-dwelling individuals identified to be at risk of undernutrition
2012
Solveig T Tomstad,1,2 Ulrika S&ouml;derhamn,2 Geir Arild Espnes,3 Olle S&ouml;derhamn21Department of Social Work and Health Science, Norwegian University of Science and Technology, Trondheim, Norway; 2Centre for Caring Research &ndash; Southern Norway, University of Agder, Grimstad, Norway; 3Research Centre for Health Promotion and Resources HiST-NTNU, Department of Social Work and Health Science, Norwegian University of Science and Technology, Trondheim, NorwayIntroduction: In a society where most older people live in their own homes, it may be expected of older individuals to exercise their potential to take care of themselves in daily life. Nutrition is a central aspect of se…
Psychometric testing of the Norwegian version of the Nutritional Form For the Elderly among older home-dwelling people
2012
Ulrika S&ouml;derhamn, Bj&oslash;rg Dale, Kari Sundsli, Solveig T Tomstad, Olle S&ouml;derhamnCenter for Caring Research, Southern Norway, Faculty of Health and Sport Sciences, University of Agder, Grimstad, NorwayBackground: Nutritional screening instruments need to be evaluated in terms of reliability and validity and being able to demonstrate sensitivity and specificity for use in clinical practice and research. The aims of this study were to test the reliability and validity of the Norwegian version of the Nutritional Form For the Elderly (NUFFE-NO) in a sample of older home-dwelling people, and to use the short form of the Mini Nutritional Assessment (MNA-SF) as a standard.…
Expanding the Variety of Zirconium‐based Inorganic Building Units for Metal–Organic Frameworks
2019
Two new zirconium-based metal-organic frameworks with the composition [Zr6 O4 (OH)4 (OAc)6 (BDC)3 ] (CAU-26) and [Zr5 O4 (OH)4 (OAc)4 (BDC)2 ] (CAU-27) are reported, which were synthesized from acetic acid, a rarely utilized but green and sustainable solvent (BDC2- : 1,4-benzenedicarboxylate). Structure determination aided by automated electron diffraction tomography revealed that CAU-26 is composed of layers of well-known {Zr6 O8 } clusters interconnected by terephthalate ions. In contrast CAU-27 exhibits a three-dimensional structure with a so far unknown type of one-dimensional inorganic building unit (IBU), which can be rationalized as condensed polyhedron-sharing chains of {Zr6 O8 } cl…