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Postdoc Research Associate - Heavy Flavor Physics

Job ID 1839 Date posted 08/01/2019


Brookhaven National Laboratory is a multipurpose research institution funded primarily by the U.S. Department of Energy’s Office of Science. Located on the center of Long Island, New York, Brookhaven Lab brings world-class facilities and expertise to the most exciting and important questions in basic and applied science—from the birth of our universe to the sustainable energy technology of tomorrow. We operate cutting-edge large-scale facilities for studies in physics, chemistry, biology, medicine, applied science, and a wide range of advanced technologies. The Laboratory's almost 3,000 scientists, engineers, and support staff are joined each year by more than 4,000 visiting researchers from around the world. Our award-winning history, including seven Nobel Prizes, stretches back to 1947, and we continue to unravel mysteries from the nanoscale to the cosmic scale, and everything in between. Brookhaven is operated and managed by Brookhaven Science Associates, which was founded by the Research Foundation for the State University of New York on behalf of Stony Brook University, and Battelle, a nonprofit applied science and technology organization.



The Electronic Detector Group (EDG) in the Physics Department at BNL has an extensive history in kaon, neutrino and muon experiments. The EDG has a new research effort in heavy flavor physics with the Belle II B-factory experiment in KEK(Japan). EDG physicists also have major responsibilities in many neutrino and muon experiments; the Deep Underground Neutrino Experiment (DUNE) and its prototype (ProtoDUNE), MicroBooNE, Daya Bay, PROSPECT, SBND, ICARUS, and the muon g-2 experiment. The EDG currently has twenty physicists at various career levels and a long history of research in fundamental particle physics. In collaboration with the Instrumentation Division, the group is performing research and development in electronics and detector design for liquid-argon TPCs. In collaboration with the BNL Chemistry Department, the group is performing research and development on water-based liquid scintillator and reactor neutrino experiments.



The Physics Department at BNL has an opening for a Research Associate in the Electronic Detector Group to participate in the Belle II experiment. The BNL Belle II group has begun a new research activity focused on the search for CP violation in charm decays. The recent observation of direct CP violation in charm decays motivates a comprehensive study as well as searches for yet-to-be-observed signs of CP violation in oscillations of neutral D mesons. Belle II has begun running with a goal of collecting a data sample 50 times larger than available at Belle and is particularly suited for these studies. The successful candidate will have an active role in analysis of the data as the experiment ramps up to full luminosity. BNL is the lead lab for US Belle II Computing Operations with responsibility for distributed data management (DDM) for Belle II and plans to migrate from the existing custom solution to the community standard, Rucio.  Developed by the ATLAS experiment, Rucio is a full-featured DDM toolkit which provides detailed information related to data usage, and access patterns.  Using a modern software stack, the successful candidate will develop an analytics platform to visualize the monitoring information in Rucio, allowing Belle II to make optimal use of its computing resources. 

This position would be under the direction of Dr. David Jaffe. Review of applications will begin immediately and will continue until the position is filled. The successful candidate will receive an initial appointment of 2 years, with possibility of extension up to a maximum of 5 years.

Essential Duties and Responsibilities:

  • Belle II data processing and physics analysis.
  • Develop an analytics platform based on a modern software stack
  • Analyze and produce visualizations of Belle II DDM data to help optimize computing resource usage
  • Active participation in all aspects of the Belle II collaboration



Required Knowledge, Skills, and Abilities:

  • PhD in high energy or nuclear physics
  • Excellent record of recent accomplishments in experimental physics
  • Experience in data analysis of particle physics experiments
  • Demonstrated good programming skills in python
  • Familiarity with software engineering practices including testing, documentation, source code management and release procedures
  • Demonstrated ability to perform research independently and as part of a research group
  • Excellent writing, interpersonal communication and analytical skills

Preferred Knowledge, Skills, and Abilities:

  • Experience with assembly, commissioning and analysis of a particle physics experiment at an e+e- collider
  • Knowledge of heavy flavor physics
  • Experience with SQL and noSQL databases
  • Experience with big data analytics tools including spark, hadoop and elasticsearch
  • Experience with software for scientific data analysis including pandas, numpy and matplotlib

OTHER INFORMATION: (add if applicable)

  • BNL policy requires that research associate appointments be made to individuals who have received their doctorate within the past five years
  • Domestic and international travel is required

At Brookhaven National Laboratory we believe that a comprehensive employee benefits program is an important and meaningful part of the compensation employees receive. Our benefits program includes, but is not limited to:

  • Medical Plans
  • Dental Plans
  • Vacation
  • Holidays
  • Life Insurance
  • 401(k) Plan
  • Paid Parental Leave
  • Swimming Pool, Weight Room, Tennis Courts, and many other employee perks and benefits


We invite you to consider Brookhaven National Laboratory for employment. To be considered for this position, please apply online at BNL Careers and enter the job title into the Keyword Search.

Brookhaven National Laboratory (BNL) is an equal opportunity employer committed to ensuring that all qualified applicants receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, status as a veteran, disability or any other federal, state or local protected class.

BNL takes affirmative action in support of its policy and to advance in employment individuals who are minorities, women, protected veterans, and individuals with disabilities.

*VEVRAA Federal Contractor

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