Project description
Unique particle decay at the Large Hadron Collider could unveil new physics beyond the standard model
In particle physics, the quest to discover phenomena beyond the standard model is a long-awaited goal. Funded by the Marie Skłodowska-Curie Actions programme, the BSM4BSMs project could potentially unveil new physics by measuring a unique decay involving the transition of a lambda baryon to a tau lepton. This decay tests lepton flavour universality, a main pillar of the standard model. Researchers will compare the decay rates to the tau lepton against those to electrons and muons. These ratios are expected to be 1 in the standard model, but previous experiments have shown deviations from this value. This critical measurement will be conducted at the Large Hadron Collider, enhancing sensitivity and exploring angular observables to potentially reveal new physics.
Objective
In the field of particle physics today, the search for what lies beyond our Standard Model is a long-awaited goal. My proposal will push forward this search and potentially uncover what we refer to as new physics. I will be measuring a unique decay that involves the transition of Lambda baryon to a tau lepton. This decay is an excellent avenue to test one of the main pillars of our Standard Model, an aspect referred to as Lepton Flavour Universality (LFU). Specifically, I will examine the ratio of the rates of Lambda decay to the tau lepton, as compared to the other two leptons, the electron and muon. This ratio is expected to have a value of 1 in the SM. However, similar measurements, with other parent particles, have been done at 3 other leading particle physics experiments, and a deviation from the SM expectation has been observed. As an expert in the field, I have performed one of these measurements at the Belle II experiment in a channel involving the decay of a B meson. At LHCb, I have unique access to the Lambda channel and this will allow me to perform a highly anticipated measurement in the field, one which will help complete the picture for LFU tests of the SM. Based on my wide experience at Belle II, I will perform this measurement with improved sensitivity and extend the scope of this LFU test to involve angular observables. The latter are more interesting, since contrary to the ratio, angular observables can help uncover the nature of any new physics, if it exists. To achieve my goal, I will develop a novel multivariate technique based on high-impact variables from the event information to suppress the persistent backgrounds in LHCb's noisy environment. I will also examine at new Lambda decay sub-channels, ones that have never been measured before. With my precision measurement, I will confirm or annul a persistent anomaly in the field. What ever the result, I will impact our current understanding of the origin of our universe.
Fields of science (EuroSciVoc)
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CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
MAIN PROGRAMME
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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(opens in new window) HORIZON-MSCA-2023-PF-01
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1053 Budapest
Hungary
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