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µPPET: studying the Cosmic Rays Muon Puzzle by probing muons with J-PETs

Employer
Jagiellonian University
Location
Kraków, Poland
Salary
Unspecified
Posting live until
7 Feb 2025
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The μPPET [mu(μ)on Probe with J-PET] project aims to investigate the "muon puzzle" from high-energy cosmic rays using two PET detection systems developed at the Jagiellonian University (J-PET). This puzzle is related to the observation of a much larger number of muons on the earth's surface than it results from current theoretical models. This project will test specific hypotheses, and studying the muon puzzle in the guise of the envisioned update of hadronic interaction models requires detailed information on muons at the ground, such as track and charge distributions, which are affected by polarisations and cannot be measured using other existing experiments.

μPPET will conduct two studies in parallel: one to modify the models of hadron interactions and the other to provide the necessary measurements to fine-tune them and verify their predictions. The experimental configuration will use two available J-PET detection systems: an existing prototype and a modular final detector, which are used, respectively, as a probe and as a scintillator array for reconstructing the core of the atmospheric shower.

More information about the project can be found on the https://projekty.ncn.gov.pl/en/index.php?projekt_id=598980 website.

The position we offer as part of the project is full-time and guaranteed for three years. A possible extension will be based on funding availability and mutual agreement. A candidate holding at least a doctoral degree may submit the application. The expected start date is 01/06/2025, but it may be modified based on mutual agreement.

Skills/Qualifications

The selection procedure is open for all individuals, who meet the requirements set out in Articles 113 and 116.2.3) of the Act of 20 July 2018 - Law on Higher Education and Science, and who meet the following eligibility criteria according to § 165 of the Statute of the Jagiellonian University:

  • holding at least a doctoral degree;
  • having relevant scientific achievements;
  • taking active part in scientific life;
  • have obtained a doctoral degree no earlier than 7 years ago before the year of employment in the project. This period may be extended, by the principles described in the catalogue of costs in research projects financed by the National Science Centre;
  • have obtained a doctoral degree in an entity other than the entity in which employment in this position is planned, or have completed at least a 10-month, continuous, and documented postdoctoral internship in an entity other than the entity implementing the project and in a country other than the country in which the doctoral degree was obtained.

Specific Requirements

  • Knowledge of hadron interaction models;
  • Knowledge of C++, Python, ROOT (Fortran will be an advantage);
  • Experience required in working with hadron interaction models for atmospheric shower.

The candidate will be responsible for modifying and testing the hadronic interaction model and introducing new hypotheses. The Postdoc will be the main leader of the cosmic showers simulation and will be free to test own ideas in the project context. The Postdoc will be actively part of the muon-puzzle community.

Duties summary:

  • Modifying and testing hadronic interaction models;
  • Simulation task leader;
  • Deputy Leadership role;
  • Being in contact with the Muon Puzzle community.

Languages: ENGLISH

Level: Good

Benefits

  • stable employment based on an employment contract at the renowned university;
  • cooperation with the interdisciplinary academic community represented by well-known scientists;
  • scientific support as well as the possibility of qualifications improvement and professional development;
  • access to research infrastructure;
  • benefits in the form of i.a. Multisport card, sports activities, medical packages, group insurance;
  • additional social benefits.

Eligibility criteria

  • resume;
  • personal questionnaire filled in by the candidate;
  • copy of the doctoral diploma or a diploma confirming the candidate’s habilitation degree, if applicable;
  • information on the candidate’s scientific, teaching and organisational achievements;
  • declaration of the candidate, confirming that the Jagiellonian University will be their primary place of work, should they be selected in the selection procedure;
  • statement under Article 113 of the Law on higher education and science;
  • statement on acknowledging and accepting the rules and regulations concerning intellectual property management and commercialisation in force at the Jagiellonian University.

Declaration forms (no. 5-7) and personal questionnaire template (no. 2) can be obtained at: https://cso.uj.edu.pl/en_GB/konkursy.

All documents should be submitted in pdf format to the address: Alessio.porcelli@uj.edu.pl.

Selection process

The first stage of the selection procedure is the formal assessment of the submitted documents. Applications which meet all formal requirements are the subject of substantive assessment, during which an interview with the Candidate may be conducted (directly or via electronic communication channels), upon settling the date of the interview with the Candidate. The Candidate has the right to appeal against the negative assessment by the selection board within 7 days from receiving the information about the results of the assessment.

The selection procedure is conducted in accordance with The Policy of Open, Transparent and Merit-Based Recruitment Process at the Jagiellonian University.

Deadline for submission of applications: 15/03/2025

Expected date of the selection procedure settlement: 08/04/2025 (interviews with candidates will take place between 25/03/2025 and 05/04/2025).

 

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