Measurements are presented of differential cross-sections for top quark pair production in pp collisions at root s = 7 TeV relative to the total inclusive top quark pair production cross-section. A ...data sample of 2.05 fb(-1) recorded by the ATLAS detector at the Large Hadron Collider is used. Relative differential cross-sections are derived as a function of the invariant mass, the transverse momentum and the rapidity of the top quark pair system. Events are selected in the lepton (electron or muon) + jets channel. The background-subtracted differential distributions are corrected for detector effects, normalized to the total inclusive top quark pair production cross-section and compared to theoretical predictions. The measurement uncertainties range typically between 10 % and 20 % and are generally dominated by systematic effects. No significant deviations from the Standard Model expectations are observed.
The b-hadron production cross section is measured with the ATLAS detector in pp collisions at root s = 7 TeV, using 3.3 pb(-1) of integrated luminosity, collected during the 2010 LHC run. The ...b-hadrons are selected by partially reconstructing D*(+)mu X- final states. Differential cross sections are measured as functions of the transverse momentum and pseudorapidity. The measured production cross section for a b-hadron with p(T) > 9 GeV and vertical bar eta vertical bar < 2.5 is 32.7 +/- 0.8(stat.)(-6.8)(+4.5)(syst.) mu b, higher than the next-to-leading-order QCD predictions but consistent within the experimental and theoretical uncertainties.
We prospectively followed a cohort of 354 blue-collar men and women, some of whom lost their jobs. Results show marked effects during the anticipatory and early unemployement phase on mental ...well-being, serum cortisol, prolactin, total cholesterol, HDL cholesterol, and phytohemagglutinin reactivity of lymphocytes. Most of these changes appear to be of short-term duration. However, changes in cardiovascular risk factors are observed at least 2 years following the loss of one’s job. Coping style appears to be a major determinant whether or not and how people will react to unemployment.
Inside the NIKE matrix Brenner, Barbara; Schlegelmilch, Bodo B; Ambos, Björn Dissertation
Odprti dostop
This case describes how Nike, a consumer goods company with an ever expanding portfolio and a tremendous brand value, manages the tradeoff between local responsiveness and global integration. In ...particular, the case highlights Nike's organizational structure that consists of a global matrix organization that is replicated at a regional level for the European market. While this organizational structure allows Nike to respond to local consumer tastes it also ensures that the company benefits from integration advantages such as global marketing and sourcing. Supported by rich quotes from Nike managers on various organizational levels, this case draws a colorful picture of all the challenges involved that come with matrix and regional structures. Will Nike be able to better exploit its competitive advantage by introducing more regional structures in the future? What is the logic behind the Nike's regional structure?
Series: WU Case Series
To demonstrate the feasibility of detecting magnetically trapped neutral atoms with "bad" cavities, a macroscopic nearly concentric cavity is built. Using this cavity,atoms guided with a ...free-standing current-carrying wire are detected.
We prospectively followed a cohort of 354 blue-collar men and women, some of whom lost their jobs. Results show marked effects during the anticipatory and early unemployement phase on mental ...well-being, serum cortisol, prolactin, total cholesterol, HDL cholesterol, and phytohemagglutinin reactivity of lymphocytes. Most of these changes appear to be of short-term duration. However, changes in cardiovascular risk factors are observed at least 2 years following the loss of one's job. Coping style appears to be a major determinant whether or not and how people will react to unemployment.
PDF
