Popular Abstract in Swedish Protonen, neutronen och elektronen utgör de grundläggande byggstenarna för materian i vårt universum. Emedan elektronen, som tillhör den grupp av partiklar som kallas leptoner, är "odelbar", är protonen och neutronen, som tillhör gruppen hadroner, i sin tur uppbyggda av mindre partiklar, kvarkar och gluoner (partoner). En elektron växelverkar med andra partiklar genom sThe DIS ep-scattering parton dynamics at low-x is characterised by an initial state cascade in which the virtualities of the propagator gluons are expected to take any kinematically allowed value, in contrast to the leading log behaviour. These dynamics might be enhanced by selecting events in which an energetic jet is found in the forward angular region at HERA, 1.735 < etajet3.5 GeV) are found i

In the Swedish context teaching at primary and secondary school is combined with collaborative exercises in a variety of subjects. These collaborative moments can be in the form of mini projects that groups of students are supposed to present to the classmates when fulfilled. A collaborative moment may also be an exercise that the students solve together. The main idea is thus that the students le

The project that we will discuss in this paper aims to support the areas of teaching and learning in a multidisciplinary collaboration between the Centre for Languages and Literature (SOL), Faculty of Engineering (LTH) and Centre for Educational Development (CED), all Lund University, Sweden, by using the virtual world Second Life (SL) as a platform for collaborative learning activities. Students

A mobile robot navigating in an unstructured environment faces many dificult problems for which vision may potentially offer useful solutions. The XT-1 (eXpectation based Template matching) architecture was developed in an attempt to address many of these problems with similar constructions. The current system handles such diverse problems as landmark and place recognition, the generation of orien

Product innovation in highly complex and technological areas, such as medical technology, puts high requirements on innovation capability of an organization. Previous research and publications have highlighted organizational issues and learning matters as important and necessary for the development of innovation capability. Action learning require reflections of the ways things are carried out, ch

Control based on image information offers great possibilities for advanced automation. Here, a flexible system for study of visual servoing has been developed by extending a standard computer with commercially available instrumentation. A robot moving on the floor is controlled by image feedback. The conclusion is that an industrially useful behavior of automated guided vehicles (AGV) in flexible

A simple approach, which utilizes existing results for the electron density around a fixed attractive point charge in an electron gas, is presented for treating the annihilation rate of a positron in an electron gas at low density.