29 research outputs found

    Una proposta per al desenvolupament de capacitats en energies renovables

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    Soluciones Prácticas – ITDG, la Asociación Catalana de Ingeniería Sin Fronteras y la Universidad Politécnica de Cataluña (UPC) trabajan conjuntamente en la promoción de las energías renovables a partir del desarrollo de capacidades en diferentes niveles y contextos sociales, en lo que se ha denominado proyecto CEDECAP (Centro de Demostración y Capacitación en Tecnologías Apropiadas). Este artículo aborda las acciones realizadas en el periodo 2005-06, describe los avances obtenidos y las perspectivas que tiene este proyecto en el mediano y largo plazo.Solucions Pràctiques – ITDG, l'Associació Catalana d'Enginyeria Sense Fronteres i la Universitat Politècnica de Catalunya (UPC) treballen conjuntament en la promoció de les energies renovables a partir del desenvolupament de capacitats en diferents nivells i contextos socials, en el projecte CEDECAP (Centre de Demostració i Capacitació en Tecnologies Apropiades). Aquest article aborda les accions realitzades en el període 2005-06, descriu els avanços obtinguts i les perspectives que té aquest projecte en el mitjà i llarg termini.Peer Reviewe

    Search for dark matter produced in association with bottom or top quarks in √s = 13 TeV pp collisions with the ATLAS detector

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    A search for weakly interacting massive particle dark matter produced in association with bottom or top quarks is presented. Final states containing third-generation quarks and miss- ing transverse momentum are considered. The analysis uses 36.1 fb−1 of proton–proton collision data recorded by the ATLAS experiment at √s = 13 TeV in 2015 and 2016. No significant excess of events above the estimated backgrounds is observed. The results are in- terpreted in the framework of simplified models of spin-0 dark-matter mediators. For colour- neutral spin-0 mediators produced in association with top quarks and decaying into a pair of dark-matter particles, mediator masses below 50 GeV are excluded assuming a dark-matter candidate mass of 1 GeV and unitary couplings. For scalar and pseudoscalar mediators produced in association with bottom quarks, the search sets limits on the production cross- section of 300 times the predicted rate for mediators with masses between 10 and 50 GeV and assuming a dark-matter mass of 1 GeV and unitary coupling. Constraints on colour- charged scalar simplified models are also presented. Assuming a dark-matter particle mass of 35 GeV, mediator particles with mass below 1.1 TeV are excluded for couplings yielding a dark-matter relic density consistent with measurements

    Measurement of jet fragmentation in Pb+Pb and pppp collisions at sNN=2.76\sqrt{{s_\mathrm{NN}}} = 2.76 TeV with the ATLAS detector at the LHC

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    Charged-particle distributions at low transverse momentum in s=13\sqrt{s} = 13 TeV pppp interactions measured with the ATLAS detector at the LHC

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    ATLAS Run 1 searches for direct pair production of third-generation squarks at the Large Hadron Collider

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    Search for dark matter in association with a Higgs boson decaying to bb-quarks in pppp collisions at s=13\sqrt s=13 TeV with the ATLAS detector

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    Measurement of the bbb\overline{b} dijet cross section in pp collisions at s=7\sqrt{s} = 7 TeV with the ATLAS detector

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    Search for single production of vector-like quarks decaying into Wb in pp collisions at s=8\sqrt{s} = 8 TeV with the ATLAS detector

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    Measurements of top-quark pair differential cross-sections in the eμe\mu channel in pppp collisions at s=13\sqrt{s} = 13 TeV using the ATLAS detector

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    Measurement of the W boson polarisation in ttˉt\bar{t} events from pp collisions at s\sqrt{s} = 8 TeV in the lepton + jets channel with ATLAS

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