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Träfflista för sökning "LAR1:lu srt2:(2010-2011)"

Search: LAR1:lu > (2010-2011)

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  • 1800-talets mediesystem
  • 2010
  • Editorial collection (other academic/artistic)abstract
    • Mediehistoria skrivs ofta utifrån ett medium i taget. Den här boken argumenterar istället för att historiens medier utvecklats tillsammans.Nya former, tekniker och praktiker har interagerat med gamla, innehåll har cirkulerat medierna emellan och rader av aktörer har aktivt relaterat till en helhet av uttrycksformer. Denna helhet var konturfast på ett vis som gör det befogat att tala om ett historiskt mediesystem: summan av en viss tids medier och deras inbäddning i sociala, politiska och ekonomiska villkor. I ett antal delstudier prövar boken möjligheterna att på närgången empirisk nivå undersöka 1800-talets mediesystem.
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5.
  • Aaboen, Lise, 1978, et al. (author)
  • Nourishment for the piggy bank : facilitation of external financing in incubators
  • 2011
  • In: International Journal of Technology Transfer and Commercialisation. - : Inderscience. - 1470-6075 .- 1741-5284. ; 10 3-4, s. 354-374
  • Journal article (peer-reviewed)abstract
    • In this paper, we argue that incubators facilitate access to external financing for their incubatees. Incubators use a wide range of activities to facilitate the accessing of external financing from public and private sources. We have grouped these into two sets of activities. The general activities aim to develop the conditions for external financing through information, education of incubatees, network-building and lobbying activities. The specific activities aim to assist the individual incubatee in their pursuit of external finance through help in application procedures, establishing need for capital, making contacts with the best public or private investor, etc. Based on the survey data, we have also shown that it is more common for incubatees to attract external capital compared to non-incubator firms. The incubatees seem especially successful in attracting public capital. The incubatees also attract more private external capital, however, the observed frequency of private capital in the incubatees are low.
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6.
  • Aaby, Peter, et al. (author)
  • Randomized Trial of BCG Vaccination at Birth to Low-Birth-Weight Children: Beneficial Nonspecific Effects in the Neonatal Period?
  • 2011
  • In: Journal of Infectious Diseases. - : Oxford University Press (OUP). - 1537-6613 .- 0022-1899. ; 204:2, s. 245-252
  • Journal article (peer-reviewed)abstract
    • Background. Observational studies have suggested that BCG may have nonspecific beneficial effects on survival. Low-birth-weight (LBW) children are not given BCG at birth in Guinea-Bissau; we conducted a randomized trial of BCG at birth (early BCG) vs delayed BCG. Methods. In the period 2004-2008 we recruited 2320 LBW children in Bissau. The children were visited at home at 2, 6, and 12 months of age. With a pretrial infant mortality of 250 per 1000, we hypothesized a 25% reduction in infant mortality for LBW children. Results. Infant mortality was only 101 per 1000 during the trial. In the primary analysis, infant mortality was reduced insignificantly by 17% (mortality rate ratio [MRR] = .83 [.63-1.08]). In secondary analyses, early BCG vaccine was safe with an MRR of .49 (.21-1.15) after 3 days and .55 (.34-.89) after 4 weeks. The reduction in neonatal mortality was mainly due to fewer cases of neonatal sepsis, respiratory infection, and fever. The impact of early BCG on infant mortality was marked for children weighing <1.5 kg (MRR = .43 [.21-.85]) who had lower coverage for diphtheria-tetanus-pertussis vaccinations. Conclusions. Though early BCG did not reduce infant mortality significantly, it may have a beneficial effect in the neonatal period. This could be important for public health because BCG is often delayed in low-income countries.
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  • Aad, G, et al. (author)
  • Dijet Resonance Search with Weak Supervision Using s =13 TeV pp Collisions in the ATLAS Detector
  • 2020
  • In: Physical Review Letters. - : American Physical Society (APS). - 1079-7114 .- 0031-9007. ; 125:13
  • Journal article (peer-reviewed)abstract
    • This Letter describes a search for narrowly resonant new physics using a machine-learning anomaly detection procedure that does not rely on signal simulations for developing the analysis selection. Weakly supervised learning is used to train classifiers directly on data to enhance potential signals. The targeted topology is dijet events and the features used for machine learning are the masses of the two jets. The resulting analysis is essentially a three-dimensional search A→BC, for mA∼O(TeV), mB,mC∼O(100 GeV) and B, C are reconstructed as large-radius jets, without paying a penalty associated with a large trials factor in the scan of the masses of the two jets. The full run 2 s=13 TeV pp collision dataset of 139 fb-1 recorded by the ATLAS detector at the Large Hadron Collider is used for the search. There is no significant evidence of a localized excess in the dijet invariant mass spectrum between 1.8 and 8.2 TeV. Cross-section limits for narrow-width A, B, and C particles vary with mA, mB, and mC. For example, when mA=3 TeV and mBâ200 GeV, a production cross section between 1 and 5 fb is excluded at 95% confidence level, depending on mC. For certain masses, these limits are up to 10 times more sensitive than those obtained by the inclusive dijet search. These results are complementary to the dedicated searches for the case that B and C are standard model bosons. © 2020 CERN.
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9.
  • Aad, G., et al. (author)
  • Pursuit of paired dijet resonances in the Run 2 dataset with ATLAS
  • 2023
  • In: Physical Review D. - 2470-0010 .- 2470-0029. ; 108:11
  • Journal article (peer-reviewed)abstract
    • New particles with large masses that decay into hadronically interacting particles are predicted by many models of physics beyond the Standard Model. A search for a massive resonance that decays into pairs of dijet resonances is performed using 140  fb−1 of proton-proton collisions at √s=13  TeV recorded by the ATLAS detector during Run 2 of the Large Hadron Collider. Resonances are searched for in the invariant mass of the tetrajet system, and in the average invariant mass of the pair of dijet systems. A data-driven background estimate is obtained by fitting the tetrajet and dijet invariant mass distributions with a four-parameter dijet function and a search for local excesses from resonant production of dijet pairs is performed. No significant excess of events beyond the Standard Model expectation is observed, and upper limits are set on the production cross sections of new physics scenarios.
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  • Result 1-10 of 16091
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Li, X. (32)
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Kwon, Y. (30)
Read, K. F. (30)
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Inaba, M. (29)
Mao, Y. (28)
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Park, W. J. (27)
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aut (26)
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