19 research outputs found

    Measurement of event-shape observables in Z→ℓ+ℓ− events in pp collisions at √ s=7 TeV with the ATLAS detector at the LHC

    Get PDF
    Event-shape observables measured using charged particles in inclusive ZZ-boson events are presented, using the electron and muon decay modes of the ZZ bosons. The measurements are based on an integrated luminosity of 1.1fb11.1 {\rm fb}^{-1} of proton--proton collisions recorded by the ATLAS detector at the LHC at a centre-of-mass energy s=7\sqrt{s}=7 TeV. Charged-particle distributions, excluding the lepton--antilepton pair from the ZZ-boson decay, are measured in different ranges of transverse momentum of the ZZ boson. Distributions include multiplicity, scalar sum of transverse momenta, beam thrust, transverse thrust, spherocity, and F\mathcal{F}-parameter, which are in particular sensitive to properties of the underlying event at small values of the ZZ-boson transverse momentum. The Sherpa event generator shows larger deviations from the measured observables than Pythia8 and Herwig7. Typically, all three Monte Carlo generators provide predictions that are in better agreement with the data at high ZZ-boson transverse momenta than at low ZZ-boson transverse momenta and for the observables that are less sensitive to the number of charged particles in the event.Comment: 36 pages plus author list + cover page (54 pages total), 14 figures, 4 tables, submitted to EPJC, All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/STDM-2014-0

    Crop residue harvest for bioenergy production and its implications on soil functioning and plant growth: A review

    Full text link

    Creating Entrepreneurial Universities in the UK: Applying Entrepreneurship Theory to Practice

    No full text
    In the modern knowledge economy higher educational institutions are being required to operate more entrepreneurially, commercialising the results of their research and spinning out new, knowledge-based enterprises. Like most large organisations, particularly those operating in the public sector, they are not traditionally suited to this role and often face the same sort of barriers to intrapreneurial activity as their counterparts in the private sector. In this note, the theories of entrepreneurship and intrapreneurship development are used to identify what needs to be done and a case example is provided. Copyright Springer Science+Business Media, LLC 2006entrepreneurship, intrapreneurship, universities, M130 – Entrepreneurship (New Firms: Startups), I280 – Education: Government Policy, L200 – Firm Objectives, Organisation, and Behaviour: General, L330 – Comparison of Public and Private Enterprises,
    corecore