QUANTUMLHC | Exploring quantum observables at the LHC

Summary
The main motivation driving the research in collider particle physics is the possibility to address some of the mysteries in the fundamental inner workings of our Universe and to answer to questions left open by the Standard Model of particle physics (SM).
Despite the unprecedented energy reached and the large amount of data collected at the Large Hadron Collider (LHC) no convincing evidence of physics beyond the SM has been found. The start of the third LHC data-taking phase (2022) call for novel and unconventional approaches to search for new phenomena, looking in directions yet to be explored. This project proposes to exploit quantum effects, and in particular entanglement among particles as a new observable to probe interactions at high scales. By leveraging on quantum information concepts and techniques, I will explore new experimental strategies to analyse collider final states searching for SM extensions, through unexpected modifications of quantum correlations. The sensitivity of quantum correlations to new physics effects will be investigated both through a model independent effective approach as well as through specific models encompassing new resonances.
This proposal aims to provide a first complete guidance and therefore to open the way to LHC experiments on how to perform and interpret measurements of quantum observables in the WW and top pair final states, at low as well at high energy, with specific techniques optimised for each kinematical region. Its ambition lies not only in the scope but also in development of new experimental technique based on charm tagging that has the potential to enlarge the data sample and therefore significantly extend the reach of the new physics searches.
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More information & hyperlinks
Web resources: https://cordis.europa.eu/project/id/101107121
Start date: 01-10-2023
End date: 01-10-2025
Total budget - Public funding: - 188 590,00 Euro
Cordis data

Original description

The main motivation driving the research in collider particle physics is the possibility to address some of the mysteries in the fundamental inner workings of our Universe and to answer to questions left open by the Standard Model of particle physics (SM).
Despite the unprecedented energy reached and the large amount of data collected at the Large Hadron Collider (LHC) no convincing evidence of physics beyond the SM has been found. The start of the third LHC data-taking phase (2022) call for novel and unconventional approaches to search for new phenomena, looking in directions yet to be explored. This project proposes to exploit quantum effects, and in particular entanglement among particles as a new observable to probe interactions at high scales. By leveraging on quantum information concepts and techniques, I will explore new experimental strategies to analyse collider final states searching for SM extensions, through unexpected modifications of quantum correlations. The sensitivity of quantum correlations to new physics effects will be investigated both through a model independent effective approach as well as through specific models encompassing new resonances.
This proposal aims to provide a first complete guidance and therefore to open the way to LHC experiments on how to perform and interpret measurements of quantum observables in the WW and top pair final states, at low as well at high energy, with specific techniques optimised for each kinematical region. Its ambition lies not only in the scope but also in development of new experimental technique based on charm tagging that has the potential to enlarge the data sample and therefore significantly extend the reach of the new physics searches.

Status

SIGNED

Call topic

HORIZON-MSCA-2022-PF-01-01

Update Date

31-07-2023
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Horizon Europe
HORIZON.1 Excellent Science
HORIZON.1.2 Marie Skłodowska-Curie Actions (MSCA)
HORIZON.1.2.0 Cross-cutting call topics
HORIZON-MSCA-2022-PF-01
HORIZON-MSCA-2022-PF-01-01 MSCA Postdoctoral Fellowships 2022