Dan Just

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Muqtedar Khan

University of Delaware

Remo Caponi

University of Cologne

Valerio Sangiovanni

University of Trento

Armando Marques-Guedes

UNL - New University of Lisbon

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University of Southern Denmark

Davide Achille

Università degli Studi del Piemonte Orientale

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University of Delhi

Muhammad Hasbi Zaenal

UIN Syarif Hidayatullah Jakarta

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University of Lucknow

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Search for diphoton events with large missing transverse momentum in 7 TeV proton-proton collision data with the ATLAS detector

Physics Letters B, 2012

A search for diphoton events with large missing transverse momentum has been performed using prot... more A search for diphoton events with large missing transverse momentum has been performed using proton-proton collision data at √ s = 7 TeV recorded with the ATLAS detector, corresponding to an integrated luminosity of 4.8 fb −1 . No excess of events was observed above the Standard Model prediction and model-dependent 95 % confidence level exclusion limits are set. In the context of a generalised model of gauge-mediated supersymmetry breaking with a bino-like lightest neutralino of mass above 50 GeV, gluinos (squarks) below 1.07 TeV (0.87 TeV) are excluded, while a breaking scale Λ below 196 TeV is excluded for a minimal model of gauge-mediated supersymmetry breaking. For a specific model with one universal extra dimension, compactification scales 1/R < 1.40 TeV are excluded. These limits provide the most stringent tests of these models to date.

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Preuves de la juste et legale celebration de la fete de paques dans l'eglise romaine, le dimanche 3 avril 1825; conformement AU decret DU Concile de Nicee, nonobstant la coincidence de la paque des juifs avec celle des chretiens AU meme jour, EN reponse a quelques journaux des Pays-Bas, mentionne...

A Pharmacological Model for Psychosis Based on N-methyl-D-aspartate Receptor Hypofunction: Molecular, Cellular, Functional and Behavioral Abnormalities

Biological Psychiatry, 2006

The psychotomimetic effects of N-methyl-D-aspartate (NMDA) receptor antagonists such as phencycli... more The psychotomimetic effects of N-methyl-D-aspartate (NMDA) receptor antagonists such as phencyclidine (PCP) in healthy humans and their ability to exacerbate psychotic symptoms in schizophrenic patients have promoted a view of schizophrenia as being related to altered glutamatergic neurotransmission. Methods: This prompted us and others to develop animal models for psychosis based on a glutamatergic approach. Pharmacological induction of a state of impaired glutamatergic neurotransmission based on chronic, low-dose application of MK-801, a highly selective noncompetitive NMDA antagonist, revealed marked parallels between schizophrenia and our animal model. Results: MK-801 altered the expression of NR1 splice variants and NR2 subunits of the NMDA receptor in a pattern partially resembling the alterations detected in schizophrenia. Ultrastructurally, the number of gamma-aminobutyric-acid (GABA)ergic parvalbuminpositive interneurons was relatively decreased, a finding which again parallels observations in post mortem brain from schizophrenic patients. As a functional consequence, local inhibition of pyramidal cells which is largely mediated by recurrent axon collaterals, originating from GABAergic interneurons, was altered. Not unexpectedly, these animals showed cognitive deficits resembling findings in schizophrenic humans. Conclusions: These convergent lines of evidence suggest that our approach has a significant potential of serving as a model of the pathobiology of several aspects of psychosis and consequently could contribute to the development of new therapeutic strategies.

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Jus Post Bellum: Just War Theory and the Principles of Just Peace

International Studies Perspectives, 2006

What happens following a war is important to the moral judgments we make concerning warfare, just... more What happens following a war is important to the moral judgments we make concerning warfare, just as the intentions going in and the means used are. There has, however, been inadequate attention paid to considerations of jus post bellum in the just war tradition. This essay seeks to contribute to recent efforts to develop jus post bellum principles by first noting some of the ways that jus ad bellum and jus in bello considerations serve to constrain what can legitimately be done after war. We argue, however, that the constraints grounded in traditional just war theory do not offer sufficient guidance for judging postwar behavior and that principles grounded in the concept of human rights are needed to complete our understanding of what constitutes a just war. A just peace exists when the human rights of those involved in the war, on both sides, are more secure than they were before the war.

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WORKING PAPER SERIES INTERDEPENDENCE AND CONTAGION IN GLOBAL ASSET MARKETS

This paper provides an empirical assessment of interdependence and contagion across three asset c... more This paper provides an empirical assessment of interdependence and contagion across three asset classes (bonds, stocks, and currencies) for over 60 economies over the period 1998 to 2011. Using a global VAR, we test for changes in the transmission mechanism -both within and cross-market changes -during periods of turbulence in financial markets. Our results suggest that within-market effects over the sample period for each asset market are highly significant for advanced economies. For emerging economies, these within-market effects mostly apply to the equity market. Contagion effects within-market are most notable in Latin America and Emerging Asia for equities. Cross-market contagion is identified from global bonds to local stocks in Central and Eastern Europe, but from global stocks to domestic bonds in the case of advanced economies. Impulse responses indicate that in crisis times, the origin of the shock plays an important role on the nature of the global transmission. The evidence suggests that in times of financial crisis, shocks that emanate in the US, particularly equity shocks, lead to risk aversion by investors in equities and currencies globally and in some emerging market bonds. Euro area shocks tend to have the most significant effect within the bond market. Our results have implications for policymakers in terms of understanding financial exposures and vulnerabilities and for investors in relation to portfolio rebalancing and the construction of portfolio diversification strategies across asset classes in crisis and non-crisis times.

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Search for diphoton events with large missing transverse momentum in 7 TeV proton-proton collision data with the ATLAS detector

Physics Letters B, 2012

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A Pharmacological Model for Psychosis Based on N-methyl-D-aspartate Receptor Hypofunction: Molecular, Cellular, Functional and Behavioral Abnormalities

Biological Psychiatry, 2006

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Jus Post Bellum: Just War Theory and the Principles of Just Peace

International Studies Perspectives, 2006

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WORKING PAPER SERIES INTERDEPENDENCE AND CONTAGION IN GLOBAL ASSET MARKETS

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