03705nam 22006135 450 991025458350332120200707020937.03-319-58871-010.1007/978-3-319-58871-1(CKB)3710000001406183(DE-He213)978-3-319-58871-1(MiAaPQ)EBC4880781(PPN)202991911(EXLCZ)99371000000140618320170619d2017 u| 0engurnn|008mamaatxtrdacontentcrdamediacrrdacarrierSearch for New Physics in Mono-jet Final States in pp Collisions [electronic resource] at √s=13 TeV with the ATLAS Experiment at the LHC /by Giuliano Gustavino1st ed. 2017.Cham :Springer International Publishing :Imprint: Springer,2017.1 online resource (XV, 236 p. 132 illus., 42 illus. in color.) Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053"Doctoral Thesis accepted by Sapienza University of Rome, Italy."3-319-58870-2 Includes bibliographical references at the end of each chapters.Introduction -- The Standard Model -- Beyond the Standard Model -- The Dark Matter Paradigm -- Experimental Facilities -- Physics Objects -- The Mono-jet Analysis -- Mono-jet Versus All -- Mono-jet Analysis Improvements -- Conclusions.This thesis provides a detailed and comprehensive description of the search for New Physics at the Large Hadron Collider (LHC) in the mono-jet final state, using the first 3.2~fb$^{-1}$ of data collected at the centre of mass energy of colliding protons of 13~TeV recorded in the ATLAS experiment at LHC. The results are interpreted as limits in different theoretical contexts such as compressed supersymmetric models, theories that foresee extra-spatial dimensions and in the dark matter scenario. In the latter the limits are then compared with those obtained by other ATLAS analyses and by experiments based on completely different experimental techniques, highlighting the role of the mono-jet results in the context of dark matter searches. Lastly, a set of possible analysis improvements are proposed to reduce the main uncertainties that affect the signal region and to increase the discovery potential by further exploiting the information on the final state.Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053Elementary particles (Physics)Quantum field theoryCosmologyMathematical physicsElementary Particles, Quantum Field Theoryhttps://scigraph.springernature.com/ontologies/product-market-codes/P23029Cosmologyhttps://scigraph.springernature.com/ontologies/product-market-codes/P22049Theoretical, Mathematical and Computational Physicshttps://scigraph.springernature.com/ontologies/product-market-codes/P19005Elementary particles (Physics).Quantum field theory.Cosmology.Mathematical physics.Elementary Particles, Quantum Field Theory.Cosmology.Theoretical, Mathematical and Computational Physics.539.736Gustavino Giulianoauthttp://id.loc.gov/vocabulary/relators/aut825012MiAaPQMiAaPQMiAaPQBOOK9910254583503321Search for New Physics in Mono-jet Final States in pp Collisions2283948UNINA