[Cugapost] Postdoctoral Position in Experimental Hadron Physics at the Institute of Nuclear Physics, Orsay, France- A message from Dominique Marchand

[Lorelei Chopard]

Postdoctoral Position in Experimental Hadron Physics at the Institute of 
Nuclear Physics in Orsay, France

A postdoctoral position in experimental hadron physics is opened at the 
Institut de Physique Nucléaire d'Orsay located 25km south of Paris. The 
successful candidate will join the hadronic physics group for a period 
of 3 years to work on the electromagnetic physics program of the PANDA 
experiment (FAIR/Darmstadt) and in the corresponding technical 
developments.

IPN Orsay is a joint laboratory of the CNRS and the University of Paris 
Sud. It is the largest nuclear physics laboratory in France with more 
than a hundred researchers and faculty members and thirty PhD students 
who conduct research on dense and hot primordial matter, the origin of 
cosmic showers, the physical limits of atomic nuclei, the properties of 
short lived aggregates of protons and neutrons in stars, and the 
structure of matter in terms of quarks and gluons. The institute has 
technical divisions of primary importance, with more than 200 engineers 
and technicians conducting frontier R&D in accelerator physics and 
instrumentation.

The PANDA group at the IPN Orsay consists currently of seven permanent 
scientists and three PhD students. Since 2004 we are developing an 
ambitious program focused on the electromagnetic channels in antiproton 
proton annihilation reactions. The program contains detailed studies of 
the channels antiproton p → ℓ+ ℓ- and ℓ+ ℓ- X (where ℓ is a lepton) 
which the group wants to study with the FAIR machine, under construction 
in Darmstadt (Germany). These channels give access to the proton 
structure via the electric and magnetic form factors of the proton in 
the time-like region.

The candidate will take an active part in the activities within the 
group which cover technical, computational and phenomenological aspects. 
He/she is expected to contribute to the validation of the calorimeter 
prototype, which includes tests with cosmic rays and with tagged photon 
and electron beams. These activities are to be executed in collaboration 
with the IPN detector R&D team. An important part of the task will be to 
verify that the measured experimental performances are in accordance 
with the simulated ones. These results will then be used to validate the 
final electromagnetic channels simulation under the most realistic 
conditions.

An other task will be the participation in the PANDAroot Monte Carlo, 
which includes code development for particle ID, tracking and filtering 
purposes, and physics channels simulations, based on locally developed 
event generators.

Part of the group is also involved in the HADES experiment at GSI. This 
program is currently taking data, thus providing a wealth of results for 
meson and e+e-pair production. Notably the IPN team is involved in the 
study of the reactions pp→ p p e+ e-, np→n p e+ e- and π- p → n e+ e-, 
giving access to time-like transition form factors of baryons, in very 
close connection to the PANDA electromagnetic physics program. A 
participation of the candidate to this activity is encouraged, at the 
level of 20 to 30%.

Applicants should have a Ph.D. in experimental physics. One to five 
years of post-doctoral experience in hadronic physics, with experience 
in simulation and/or analysis of experiments is preferred. Candidates 
should send a brief description of their work experience, and a short CV 
to Thierry Hennino ( hennino at ipno.in2p3.fr ) before 31 may 2013. Letters 
of reference are appreciated. Any inquiries should be sent to the same 
address.

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