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View article: t-channel dark matter models – a whitepaper
t-channel dark matter models – a whitepaper Open
This report, summarising work achieved in the context of the LHC Dark Matter Working Group, investigates the phenomenology of t -channel dark matter models, spanning minimal setups with a single dark matter candidate and mediator to more c…
View article: Production and optical characterisation of blended Polyethylene Terephthalate (PET)/Polyethylene Naphthalate (PEN) scintillator samples
Production and optical characterisation of blended Polyethylene Terephthalate (PET)/Polyethylene Naphthalate (PEN) scintillator samples Open
In Particle and Nuclear Physics research and related applications, organic scintillators provide a cost-effective technology for the detection of ionising radiation. The next generation of experiments in this field is driving fundamental r…
View article: The ECFA Early-Career Researchers Panel: Report for the year 2023
The ECFA Early-Career Researchers Panel: Report for the year 2023 Open
The European Committee for Future Accelerators (ECFA) Early-Career Researcher (ECR) panel, which represents the interests of the ECR community to ECFA, presents in this document its initiatives and activities in the year 2023. This report …
View article: Production and optical characterisation of blended Polyethylene Terephthalate (PET)/Polyethylene Naphthalate (PEN) scintillator samples
Production and optical characterisation of blended Polyethylene Terephthalate (PET)/Polyethylene Naphthalate (PEN) scintillator samples Open
In Particle and Nuclear Physics research and related applications, organic scintillators provide a cost-effective technology for the detection of ionising radiation. The next generation of experiments in this field is driving fundamental r…
View article: Searches for dark matter with the ATLAS detector
Searches for dark matter with the ATLAS detector Open
The presence of a non-baryonic Dark Matter (DM) component in the Universe is inferred from the observation of its gravitational interaction. If DM interacts weakly with Standard Model (SM) particles it could be produced at the LHC. The ATL…
View article: Laser calibration of the ATLAS Tile Calorimeter during LHC Run 2
Laser calibration of the ATLAS Tile Calorimeter during LHC Run 2 Open
This article reports the laser calibration of the hadronic Tile Calorimeter of the ATLAS experiment in the LHC Run 2 data campaign. The upgraded Laser II calibration system is described. The system was commissioned during the first LHC Lon…
View article: Simulated pp collisions at 13 TeV with 2 leptons + 1 b jet final state and selected benchmark Beyond the Standard Model signals
Simulated pp collisions at 13 TeV with 2 leptons + 1 b jet final state and selected benchmark Beyond the Standard Model signals Open
This data-set is comprised of simulated events of pp collisions at 13 TeV with 2 leptons + 1 bottom jet sinal state, with HT > 500 GeV. It includes the following samples Standard-Model background (bkg), generated at leading order includes …
View article: Simulated pp collisions at 13 TeV with 2 leptons + 1 b jet final state and selected benchmark Beyond the Standard Model signals
Simulated pp collisions at 13 TeV with 2 leptons + 1 b jet final state and selected benchmark Beyond the Standard Model signals Open
This data-set is comprised of simulated events of pp collisions at 13 TeV with 2 leptons + 1 bottom jet sinal state, with HT > 500 GeV. It includes the following samples Standard-Model background (bkg), generated at leading order includes …
View article: Operation and Performance of the ATLAS Tile Calorimeter
Operation and Performance of the ATLAS Tile Calorimeter Open
The Tile Calorimeter (TileCal), the central hadronic calorimeter of the ATLAS detector, is a key system to measure jets and the missing transverse energy. It uses plastic scintillators interleaved by steel plates, with optical fibre readou…
View article: Transferability of deep learning models in searches for new physics at colliders
Transferability of deep learning models in searches for new physics at colliders Open
In this work we assess the transferability of deep learning models to detect
\nbeyond the standard model signals. For this we trained Deep Neural Networks on
\nthree different signal models: $tZ$ production via a flavour changing neutral
\…
View article: Report on the ECFA Early-Career Researchers Debate on the 2020 European Strategy Update for Particle Physics
Report on the ECFA Early-Career Researchers Debate on the 2020 European Strategy Update for Particle Physics Open
A group of Early-Career Researchers (ECRs) has been given a mandate from the European Committee for Future Accelerators (ECFA) to debate the topics of the current European Strategy Update (ESU) for Particle Physics and to summarise the out…
View article: Surface Water Quality in a Contrasted Land-Use River Catchment
Surface Water Quality in a Contrasted Land-Use River Catchment Open
To evaluate the current state quality of the surface water resources in a river catchment near the city of Leiria (Central Portugal), a water sampling programme was designed and has been carried out since September of 2017. The land uses o…
View article: Search for the higgs boson at ATLAS/LHC in WH associated production and decay to b-quark pairs
Search for the higgs boson at ATLAS/LHC in WH associated production and decay to b-quark pairs Open
Tese de doutoramento, Física, Universidade de Lisboa, Faculdade de Ciências, 2017