Exclusive measurements for SUSY events with the ATLAS detector at the LHC

We present recent work performed in ATLAS on techniques used to reconstruct the decays of SUSY particles at the LHC. We concentrate on strategies to be applied to the first fb-1 of LHC data.Comment: ICHEP0

Can free will emerge from determinism in quantum theory?

Quantum Mechanics is generally considered to be the ultimate theory capable of explaining the emergence of randomness by virtue of the quantum measurement process. Therefore, Quantum Mechanics can be thought of as God's wonderfully imaginative solution to the problem of providing His creatures with Free Will in an otherwise well-ordered Universe. Indeed, how could we dream of free will in the purely deterministic Universe envisioned by Laplace if everything ever to happen is predetermined by (and in principle calculable from) the actual conditions or even those existing at the time of the Big Bang? In this essay, we share our view that Quantum Mechanics is in fact deterministic, local and realistic, in complete contradiction with most people's perception of Bell's theorem, thanks to our new theory of parallel lives. Accordingly, what we perceive as the so-called "collapse of the wavefunction" is but an illusion. Then we ask the fundamental question: Can a purely deterministic Quantum Theory give rise to the illusion of nondeterminism, randomness, probabilities, and ultimately can free will emerge from such a theory?Comment: 22 pages. This paper will appear in "Is science compatible with free will? Exploring free will and consciousness in light of quantum physics and neuroscience", A. Suarez and P. Adams (Eds.), Springer, New York, 2012, Chapter 4. Most of the paper explains well-known ideas to a general public. We encourage the expert to skip directly to Section 7, in which we present our theory of "Parallel Lives

Capitalist Pigs: Pigs, Pork, and Power in America. By J. L. Anderson

Accepted manuscrip

Agricultural Trade Liberalization, Productivity Gain and Poverty Alleviation: a General Equilibrium Analysis

Computable General Equilibrium (CGE) models have gained continuously in popularity as an empirical tool for assessing the impact of trade liberalization on agricultural growth, poverty and income distribution. Conventional models ignore however the channels linking technical change in agriculture, trade openness and poverty. This study seeks to incorporate econometric evidence of these linkages into a CGE model to estimate the impact of alternative trade liberalization scenarios on poverty and equity. The analysis uses the Latent Class Stochastic Frontier Model (LCSFM) and the metafrontier function to investigate the influence of trade openness on agricultural technological change. The estimated productivity effects induced from higher levels of trade are combined with a general equilibrium analysis of trade liberalization to evaluate the income and prices changes. These effects are then used to infer the impact on poverty and inequality following the top-down approach. The model is applied to Tunisian data using the social accounting matrix of 2001 and the 2000 household expenditures surveys. Poverty is found to decline under agricultural and full trade liberalization and this decline is much more pronounced when the productivity effects are included.Openness, Agriculture, Productivity, Poverty, CGE modeling

FUTURE TRADE RESEARCH AREAS THAT MATTER TO DEVELOPING COUNTRY POLICYMAKERS

Income, welfare, poverty, consumer price, compensation

Le bilinguisme dans l'administration fédérale du Canada (1969-1982)

The author first examines the various public declarations which form the basis of the federal government's official languages policy, and then identifies the various stages in the application of this policy to the public service sector. He concludes with an examination of the current situation

L’église Saint-Pierre de Chéticamp

L’auteur passe en revue l’histoire des édifices religieux construits à Chéticamp, village fondé en 1790 : depuis l’érection de la première chapelle, vers 1800, en passant par la construction de deux nouveaux édifices pour accueillir la population croissante, l’église du Platin, vers 1812, et l’église du Buttereau en 1861. De 1892 à 1893, l’abbé Fiset réalise le grand projet de construire l’actuelle église, la quatrième, de Saint-Pierre de Chéticamp, Au fil des ans, elle a connu maintes réparations et rénovations et, pour les Chéticantins, elle demeure depuis plus de cent ans ce monument gigantesque qui rappelle la mémoire de ce prêtre autant que la vaillance et la foi des générations passées

Star Formation History in Barred Spiral Galaxies. AGN Feedback

We present a numerical study of the impact of AGN accretion and feedback on the star formation history of barred disc galaxies. Our goal is to determine whether the effect of feedback is positive (enhanced star formation) or negative (quenched star formation), and to what extent. We performed a series of 12 hydrodynamical simulations of disc galaxies, 10 barred and 2 unbarred, with various initial gas fractions and AGN feedback prescriptions. In barred galaxies, gas is driven toward the centre of the galaxy and causes a starburst, followed by a slow decay, while in unbarred galaxies the SFR increases slowly and steadily. AGN feedback suppresses star formation near the central black hole. Gas is pushed away from the black hole, and collides head-on with inflowing gas, forming a dense ring at a finite radius where star formation is enhanced. We conclude that both negative and positive feedback are present, and these effects mostly cancel out. There is no net quenching or enhancement in star formation, but rather a displacement of the star formation sites to larger radii. In unbarred galaxies, where the density of the central gas is lower, quenching of star formation near the black hole is more efficient, and enhancement of star formation at larger radii is less efficient. As a result, negative feedback dominates. Lowering the gas fraction reduces the star formation rate at all radii, whether or not there is a bar or an AGN.Comment: 18 pages, 17 figures. Accepted for publication in MNRA

The ATLAS detector at the LHC

The biggest existing multi-purpose particle detector, ATLAS, is now built and running at CERN. Details of the different subdetectors were presented, together with expected performance aspects. The performance achievements obtained during the two real data-taking periods of ATLAS, cosmics rays and single beam runs of the LHC in fall 2008, were outlined