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Sökning: WFRF:(Brenner David) > Samhällsvetenskap

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1.
  • Mullier, G.A., et al. (författare)
  • A search for an unexpected asymmetry in the production of e+μ− and e−μ+ pairs in proton–proton collisions recorded by the ATLAS detector at √s = 13 TeV
  • 2022
  • Ingår i: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 830
  • Tidskriftsartikel (refereegranskat)abstract
    • This search, a type not previously performed at ATLAS, uses a comparison of the production cross sections for e+μ− and e−μ+ pairs to constrain physics processes beyond the Standard Model. It uses 139fb−1 of proton–proton collision data recorded at √s=13 TeV at the LHC. Targeting sources of new physics which prefer final states containing e+μ− to e−μ+, the search contains two broad signal regions which are used to provide model-independent constraints on the ratio of cross sections at the 2% level. The search also has two special selections targeting supersymmetric models and leptoquark signatures. Observations using one of these selections are able to exclude, at 95% confidence level, singly produced smuons with masses up to 640 GeV in a model in which the only other light sparticle is a neutralino when the R-parity-violating coupling λ231′ is close to unity. Observations using the other selection exclude scalar leptoquarks with masses below 1880 GeV when geu1R=gμc1R=1, at 95% confidence level. The limit on the coupling reduces to geu1R=gμc1R=0.46 for a mass of 1420 GeV.
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2.
  • Brenner, David, et al. (författare)
  • Myanmar’s top-down transition : Challenges for civil society
  • 2019
  • Ingår i: IDS Bulletin. - : Institute of Development Studies. - 0265-5012. ; 50:3, s. 17-36
  • Tidskriftsartikel (refereegranskat)abstract
    • This article historicises the nature of political transition in Myanmar to better appreciate the challenges faced by civil society. After Myanmar’s political reforms in 2011, Western donors rushed into the country in support of what they misunderstood as a remarkable instance of democratisation. In 2019, escalating civil war, ethnic cleansing, and contracting civil liberties urge a rethink. This article argues that viewing transition in Myanmar through the lens of democratisation has always been misleading and problematic. Partial liberalisation was orchestrated by the military to safeguard its own power. Reforms have not only benefited civil society but also enabled the growth of uncivil society, fuelling sectarian violence and bolstering military rule. Operating on the assumption of democratisation, Western donors shifted funds from grass-roots networks to militarised state bureaucracies that seek to co-opt peace-building and development projects for the purposes of ethnocratic state-building and counterinsurgency. Rethinking the nature of transition is pivotal for preventing inadvertently aiding authoritarianism and conflict.
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