Search results for " parti"
showing 10 items of 9465 documents
Measurement of the top quark charge in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
2013
A measurement of the top quark electric charge is carried out in the ATLAS experiment at the Large Hadron Collider using 2.05 fb[superscript −1] of data at a centre-of-mass energy of 7 TeV. In units of the elementary electric charge, the top quark charge is determined to be 0.64 ± 0.02 (stat.) ± 0.08 (syst.) from the charges of the top quark decay products in single lepton t[¯ over t] candidate events. This excludes models that propose a heavy quark of electric charge −4/3, instead of the Standard Model top quark, with a significance of more than 8σ.
Three-dimensional core-collapse supernovae with complex magnetic structures: I. Explosion dynamics
2021
Magnetic fields can play a major role in the dynamics of outstanding explosions associated to violent events such as GRBs and hypernovae, since they provide a natural mechanism to harness the rotational energy of the central proto-neutron star and power relativistic jets through the stellar progenitor. As the structure of such fields is quite uncertain, most numerical models of MHD-driven core-collapse supernovae consider an aligned dipole as initial magnetic field, while the field's morphology can actually be much more complex. We present three-dimensional simulations of core-collapse supernovae with more realistic magnetic structures, such as quadrupolar fields and, for the first time, an…
The impact of non-dipolar magnetic fields in core-collapse supernovae
2019
The magnetic field is believed to play an important role in at least some core-collapse supernovae if its magnitude reaches $10^{15}\,\rm{G}$, which is a typical value for a magnetar. In the presence of fast rotation, such a strong magnetic field can drive powerful jet-like explosions if it has the large-scale coherence of a dipole. The topology of the magnetic field is, however, probably much more complex with strong multipolar and small-scale components and the consequences for the explosion are so far unclear. We investigate the effects of the magnetic field topology on the dynamics of core-collapse supernovae and the properties of forming proto-neutron star (PNS) by comparing pre-collap…
Collective participation for the sustainable redevelopment of degraded environments and urban public space
2022
The use of participatory processes as useful tools for the regeneration of the built environment is urgently topical, also in view of the inclusive forms of decision-making that have been introduced for years by ministerial and European standards. The research is part of a well-structured cultural and regulatory context characterised by new and interesting experiments in the field. Studying the participatory process as a useful strategy for conflict management and for the construction of new regenerative models in fact also implies a clarification of "what is meant by participation and the participatory project. At the same time, as widely testified to by the production of manuals in recent…
To vote or not to vote? Migrant electoral (dis)engagement in an enlarged Europe
2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. External voting by nonresident citizens has become an important feature of contemporary democratic politics. However, compared to the average voter in domestic elections, we still know significantly less about migrants’ motivations to vote or not. Whereas analyses of external voting patterns offer insights into the results of external voting compared to origin populations, there is a lacuna of knowledge about why migran…
To Show, But Not to Disclose. The Willingness of Polish Political Parties to Disclose Information On their Structures
2018
Abstract Constituting the key element of a democratic system, political parties are among entities obliged by the Polish legislator to comply with the principle of disclosure by providing public information. The main objective of this paper is to determine the level of Polish political parties’ disclosure, understood here as their willingness to disclose information on their own structures. It seems that the practice of disclosing such basic organizational data may constitute a specific measure of Polish political parties’ respect for the idea of disclosure. The subject matter of the conducted research was particular parties’ sites in the Public Information Bulletin as well as their officia…
Search for photonic signatures of gauge-mediated supersymmetry in 8TeV pp collisions with the ATLAS detector
2015
A search is presented for photonic signatures motivated by generalized models of gauge-mediated supersymmetry breaking. This search makes use of 20.3 fb[superscript −1] of proton-proton collision data at √s = 8 TeV recorded by the ATLAS detector at the LHC, and explores models dominated by both strong and electroweak production of supersymmetric partner states. Four experimental signatures incorporating an isolated photon and significant missing transverse momentum are explored. These signatures include events with an additional photon, lepton, b-quark jet, or jet activity not associated with any specific underlying quark flavor. No significant excess of events is observed above the Stand…
Recommendations of the LHC Dark Matter Working Group: Comparing LHC searches for dark matter mediators in visible and invisible decay channels and ca…
2019
Physics of the Dark Universe 26, 100377 (2019). doi:10.1016/j.dark.2019.100377
Ordine pubblico, gestazione per altri e diritti dei minori: riflessioni a partire dalla sentenza SS.UU. 30 dicembre 2022, n. 38162
2023
Il contributo esamina la questione della trascrivibilità del certificato di nascita formato all'estero di un bambino nato tramite gestazione per altri da una coppia di uomini e si confronta criticamente con la soluzione della sua contrarietà all'ordine pubblico internazionale formulata dalle sezioni unite civili della Suprema Corte di Cassazione. Anche alla luce della giurisprudenza della Corte europea dei diritti dell'uomo, vengono evidenziati gli elementi che, nell'adozione in casi particolari ex art. 44, lett. d), l. n. 184/1983, si frappongono ad una piena realizzazione del superiore interesse del minore riguardo alla formalizzazione del legame con il genitore intenzionale. Viene quindi…
Forward-central two-particle correlations in p–Pb collisions at √sNN = 5.02 TeV
2016
Two-particle angular correlations between trigger particles in the forward pseudorapidity range (2.5 2 GeV/c. peerReviewed