Postdoctoral Researcher in experimental particle physics - ATLAS

Nikhef is the national institute for subatomic physics in The Netherlands. At Nikhef, approximately 175 physicists and 75 technical staff members work together in an open and international scientific environment. Together, they perform theoretical and experimental research in the fields of particle- and astroparticle physics. Among the research collaborations Nikhef participates in are the ATLAS, LHCb and ALICE experiments at CERN, the KM3NeT neutrino telescope in the Mediterranean, the VIRGO interferometer in Pisa, the Xenon1T dark matter experiment in Gran Sasso and the Pierre Auger cosmic rays observatory in Argentina. Nikhef also hosts well staffed theoretical physics and detector R&D groups. Nikhef itself is a collaboration between 5 major Dutch universities and the Dutch Foundation for Fundamental Research on Matter (FOM).
The Nikhef ATLAS group consists of groups in Amsterdam and Nijmegen, for a total of 17 staff, and typically 5 postdocs and 15 PhD students. We have constructed part of the semiconductor tracker (SCT), part of the barrel muon chambers, and elements of muon chamber readout, alignment, slow control, trigger and data acquisition.  Our group has responsibilities in trigger and muon reconstruction software and we have been active in several analyses in Higgs, SUSY, exotic and top physics.

The position

We are looking for a candidate to take a leading role in studies of the Higgs self couplings. The candidate will work as part of a team consisting of two senior scientists (Dr. Pamela Ferrari and Prof. Dr. Bob Van Eijk ) and two PhD students.  The role of the candidate is to focus on a search for a Higgs decaying in two Higgses  with the present run II data set, in final states including W bosons and  b-jets. We will exploit  the reconstruction of boosted objects in ATLAS and advanced multivariate techniques. The candidate is expected to work closely with a PhD student working on the same physics subject. A second part of the project consists  of constraining the  anomalous BSM trilinear Higgs self-couplings   using the constraints derived from  run II and run  I single Higgs couplings to fermions and vector bosons and the corresponding  kinematic differential distributions. A second PhD student will work together with the candidate on this subject. Finally, the single Higgs data will be combined them with di-Higgs analyses within an effective field theory approach. One of the Phd  students is already recruited and the second is  being recruited now, and is expected to start on the same time scale as the candidate.

Requirements

The position as postdoctoral researcher requires a PhD in Physics, candidates who are close to finishing their PhD thesis are also encouraged to apply. Extensive experience in both data analysis and software development for particle physics experiments is required. Familiarity with ATLAS jet reconstruction and flavour tagging and knowledge of Higgs physics are assets. The candidate is expected to have good communication skills and be able to work in an international team. 

Offer

The position is for two to three years. The candidate will be employed by the FOM-foundation and will obtain the status of postdoctoral researcher. You will receive a competitive salary, and a long-term stay at CERN is possible. The conditions of employment are excellent and include extra months' salary payment in May and December and good travel facilities. The conditions of employment of the FOM-foundation can be found at
www.nwo-i.nl.

Information and application

All qualified applicants are encouraged to apply by clicking the 'apply now' button below. Please be prepared to upload curriculum vitae including a brief description of your research interests, and have the email addresses of at least three referents ready, who are willing to send a letter of recommendation on your behalf. 
The opening closes on Friday the 4th of May 2018. Letters should arrive by the end of Monday May 7 for full consideration. Our aim to select candidates for an interview in mid May and hold interview with selected candidates in late May / early June
Further information on this position can be obtained from Dr. Pamela Ferrari (pamela.ferrari@cern.ch) or Prof. Dr. Bob Van Eijk (vaneijk@nikhef.nl) Prof. Dr. Wouter Verkerke (verkerke@nikhef.nl).  


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