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doctoral contract -M/F - " Belle II" experience

This offer is available in the following languages:
Français - Anglais

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General information

Reference : UMR7346-ANNPOR-042
Workplace : MARSEILLE 09
Date of publication : Wednesday, June 17, 2020
Scientific Responsible name : Justine SERRANO
Type of Contract : PhD Student contract / Thesis offer
Contract Period : 36 months
Start date of the thesis : 1 October 2020
Proportion of work : Full time
Remuneration : 2 135,00 € gross monthly

Description of the thesis topic

Being forbidden in the Standard Model (SM) of particle physics, lepton flavor violating decays are among the most powerful probes to search for physics beyond the SM. In view of the recent anomalies seen by LHCb on tests of lepton flavor universality in b → sℓℓ and b → cℓν processes, the interest of tau lepton flavor violating decays has been greatly reinforced. In particular, several new physics models predict branching fractions of τ → µµµ and τ → γµ just below the current experimental limits.
The Belle II experiment located at KEK, Japan, has just started physics data taking, aiming at collecting 50 times more data than its predecessor, Belle, by 2027. Thanks to its clean environment and high τ+τ- cross section, it provides an ideal environment to study tau decays. The goal of this phD is to analyze the first Belle II data in order to obtain the best experimental limits on the lepton flavor violating decays τ →ℓℓℓ, where ℓ=e,µ. Additional decays such as τ →ℓγ or τ → ℓh, h being a hadronic system, could also be studied.
Data analysis, participation to data taking, participation to Belle II service tasks, activities of outreach and dissemination.

Work Context

This phD will take place at CPPM, Marseille ( Travels to KEK for collaboration meetings, and longer stay for participation to the data taking, are foreseen.
The funding of this phD is provided by an ERC grant obtained by Justine serrano.

Additional Information

Additionnal informations:
Applicants must hold a Master degree (or equivalent) in Physics, or expect to hold such a degree by the start of employment.
Application must include a CV, grade records, a motivation statement and contacts of three possible persons to supply letter of recommendation.

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