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Portail > Offres > Offre UMR9012-ALEHEN-029 - Post-doc (H/F) : analyse angulaire b-> see et reconstruction des électrons avec le détecteur LHCb

Post-doctoral researcher (H/F) on b-> see angular analysis and electron reconstruction with the LHCb detector

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

Date Limite Candidature : vendredi 27 mai 2022

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General information

Reference : UMR9012-ALEHEN-029
Workplace : ORSAY
Date of publication : Friday, May 6, 2022
Type of Contract : FTC Scientist
Contract Period : 36 months
Expected date of employment : 1 September 2022
Proportion of work : Full time
Remuneration : Between 2743 and 3161€ gross monthly depending on experience
Desired level of education : PhD
Experience required : Indifferent


During the 3-year post-doctoral position, the successful candidate will participate in the angular analysis of b -> see transitions and in the optimization of the performances of the electron reconstruction in the context of the LHCb Upgrade-I. She/he will also co-supervise PhD students working in the same team and more generally work in collaboration with LHCb-IJCLab members and with our collaborators in LHCb. The post-doctoral fellow will publish her/his results on data analyses and will present them in conferences.


The main activities will be :
o To develop the angular analysis of the Lb -> L(1520) e+e- decay in view of testing the universality of the lepton couplings,
o to co-supervise the work of PhD students on angular analyses of the decay channels Bs -> Phiee , Bd -> K*0 ee and Lb -> Lee
o to study, monitor and possibly mitigate the effect of pile-up and ageing on the calorimeter,
o to investigate possible improvements in the bremsstrahlung recovery algorithm.


Education: PhD in experimental particle physics.
• Physics: knowledge in flavour physics is preferred though not mandatory.
• Programming: Skills in python, C++, and ROOT.
• Language: Fluency in spoken and written English. Some level of French could be useful.
• Good communication skills and ability to work in a team.

Work Context

IJCLab is a CNRS/IN2P3, Université Paris-Saclay and Université de Paris, laboratory located at the campus of the University Paris- Sud at Orsay. The campus is conveniently located 20 km south of Paris and is easily reachable by regional train 40 mins) . IJCLab is the largest CNRS laboratory in fundamental research whose main field is the “physics of the two infinities”. It gathers around 740 people with research topics spanning from the study of the elementary particles to cosmology. The largest department is the High Energy Physics one where 100 researchers (including about 30 doctoral students) are working.
The post-doctoral position is part of the Chiaroscuro project corresponding to a 5-year ERC grant which started on October 2021 on the study of b -> qll transitions
transitions and electron reconstruction during Upgrade-I. The successful candidate will be part of the LHCb IJCLab team (~a dozen of researchers) which is included in the High Energy physics Department of IJCLab. The post-doctoral fellow will also have the opportunity to interact with the active Flavour physics phenomenology group of IJCLab.

Additional Information

Submit a letter of motivation and CV without any break in date showing diplomas, titles and work and professional experience. As the post is located in a ZRR (zone à régime restrictif), recruitment is conditional on obtaining a favourable opinion from the HFSD. Consequently, the starting date is given as an indication and may be postponed.

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