{"id":{"repo_id":"trento","oai_identifier":"oai:iris.unitn.it:11572/368105"},"canonical_url":"https://search.dev.ndltd.org/etd/trento/oai:iris.unitn.it:11572/368105","repository":{"repo_id":"trento","name":"Università degli Studi di Trento","base_url":"https://iris.unitn.it/oai/request"},"display":{"title":"Pionless Effective Field Theory: Building the Bridge Between Lattice Quantum Chromodynamics and Nuclear Physics","abstract":"We analyze ground state properties of few-nucleons systems and $^{16}$O using \\eftnopi (Pionless Effective Field Theory) at \\ac{LO}. This is the first time the theory is extended to many-body nuclear systems. The free constants of the interaction are fitted using both experimental data and \\ac{LQCD} results. The nuclear many-body Schr\\\"odinger equation is solved by means of the Auxiliary Field Diffusion Monte Carlo method. A linear optimization procedure has been used to recover the correct structure of the ground state wavefunction. {\\eftnopi} as revealed to be an appropriate theory to describe light nuclei both in nature, and in the case where heavier quarks are used in order to make \\ac{LQCD} calculation feasible. Our results are in good agreement with experiments and \\ac{LQCD} predictions. In our \\ac{LO} calculation, $^{16}$O appears to be unstable against breakup into four $^4$He for the quark masses considered.","abstract_html":"We analyze ground state properties of few-nucleons systems and <span class=\"etd-inline-math\"><sup>16</sup></span>O using \\eftnopi (Pionless Effective Field Theory) at \\ac{LO}. This is the first time the theory is extended to many-body nuclear systems. The free constants of the interaction are fitted using both experimental data and \\ac{LQCD} results. The nuclear many-body Schr\\&quot;odinger equation is solved by means of the Auxiliary Field Diffusion Monte Carlo method. A linear optimization procedure has been used to recover the correct structure of the ground state wavefunction. {\\eftnopi} as revealed to be an appropriate theory to describe light nuclei both in nature, and in the case where heavier quarks are used in order to make \\ac{LQCD} calculation feasible. Our results are in good agreement with experiments and \\ac{LQCD} predictions. In our \\ac{LO} calculation, <span class=\"etd-inline-math\"><sup>16</sup></span>O appears to be unstable against breakup into four <span class=\"etd-inline-math\"><sup>4</sup></span>He for the quark masses considered.","abstract_has_math":true,"creators":["Contessi, Lorenzo"],"institution":"Università degli studi di Trento","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Pederiva, Francesco"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017","date_published":"2017","updated_at":"2026-07-24T05:04:31Z","subjects":["Settore FIS/02 - Fisica Teorica, Modelli e Metodi Matematici","Settore FIS/04 - Fisica Nucleare e Subnucleare"],"languages":["eng"],"rights":["info:eu-repo/semantics/openAccess","license:Tutti i diritti riservati (All rights reserved)","license uri:iris.PRI01"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["http://dx.doi.org/10.15168/11572_368105","10.15168/11572_368105"],"render_values":[{"text":"http://dx.doi.org/10.15168/11572_368105","href":"http://dx.doi.org/10.15168/11572_368105","code":true},{"text":"10.15168/11572_368105","href":"https://doi.org/10.15168/11572_368105","code":true}]}]},"links":{"outbound_url":"https://hdl.handle.net/11572/368105","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Contessi, Lorenzo","Pederiva, Francesco"]},{"key":"dc:creator","label":"Author","values":["Contessi, Lorenzo"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2017"]},{"key":"dc:publisher","label":"Institution","values":["Università degli studi di Trento","place:TRENTO"]},{"key":"dc:relation","label":"Dc Relation","values":["firstpage:1","lastpage:139","numberofpages:139"]},{"key":"dc:type","label":"Dc Type","values":["info:eu-repo/semantics/doctoralThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Settore FIS/02 - Fisica Teorica, Modelli e Metodi Matematici","Settore FIS/04 - Fisica Nucleare e Subnucleare"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["info:eu-repo/semantics/openAccess","license:Tutti i diritti riservati (All rights reserved)","license uri:iris.PRI01"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/11572/368105","http://dx.doi.org/10.15168/11572_368105","10.15168/11572_368105"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["We analyze ground state properties of few-nucleons systems and $^{16}$O using \\eftnopi (Pionless Effective Field Theory) at \\ac{LO}. This is the first time the theory is extended to many-body nuclear systems. The free constants of the interaction are fitted using both experimental data and \\ac{LQCD} results. The nuclear many-body Schr\\\"odinger equation is solved by means of the Auxiliary Field Diffusion Monte Carlo method. A linear optimization procedure has been used to recover the correct structure of the ground state wavefunction. {\\eftnopi} as revealed to be an appropriate theory to describe light nuclei both in nature, and in the case where heavier quarks are used in order to make \\ac{LQCD} calculation feasible. Our results are in good agreement with experiments and \\ac{LQCD} predictions. In our \\ac{LO} calculation, $^{16}$O appears to be unstable against breakup into four $^4$He for the quark masses considered."]},{"key":"dc:title","label":"Title","values":["Pionless Effective Field Theory: Building the Bridge Between Lattice Quantum Chromodynamics and Nuclear Physics"]}]}],"canonical_facts":{"dc:contributor":["Contessi, Lorenzo","Pederiva, Francesco"],"dc:creator":["Contessi, Lorenzo"],"dc:date":["2017"],"dc:description":["We analyze ground state properties of few-nucleons systems and $^{16}$O using \\eftnopi (Pionless Effective Field Theory) at \\ac{LO}. This is the first time the theory is extended to many-body nuclear systems. The free constants of the interaction are fitted using both experimental data and \\ac{LQCD} results. The nuclear many-body Schr\\\"odinger equation is solved by means of the Auxiliary Field Diffusion Monte Carlo method. A linear optimization procedure has been used to recover the correct structure of the ground state wavefunction. {\\eftnopi} as revealed to be an appropriate theory to describe light nuclei both in nature, and in the case where heavier quarks are used in order to make \\ac{LQCD} calculation feasible. Our results are in good agreement with experiments and \\ac{LQCD} predictions. In our \\ac{LO} calculation, $^{16}$O appears to be unstable against breakup into four $^4$He for the quark masses considered."],"dc:identifier":["https://hdl.handle.net/11572/368105","http://dx.doi.org/10.15168/11572_368105","10.15168/11572_368105"],"dc:language":["eng"],"dc:publisher":["Università degli studi di Trento","place:TRENTO"],"dc:relation":["firstpage:1","lastpage:139","numberofpages:139"],"dc:rights":["info:eu-repo/semantics/openAccess","license:Tutti i diritti riservati (All rights reserved)","license uri:iris.PRI01"],"dc:subject":["Settore FIS/02 - Fisica Teorica, Modelli e Metodi Matematici","Settore FIS/04 - Fisica Nucleare e Subnucleare"],"dc:title":["Pionless Effective Field Theory: Building the Bridge Between Lattice Quantum Chromodynamics and Nuclear Physics"],"dc:type":["info:eu-repo/semantics/doctoralThesis"]},"updated_at":"2026-07-24T05:04:31Z"}