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Postdoctoral Research Associate

Job ID 3481 Date posted 11/16/2022

Brookhaven National Laboratory ( delivers discovery science and transformative technology to power and secure the nation’s future. Brookhaven Lab is a multidisciplinary laboratory with seven Nobel Prize-winning discoveries, 37 R&D 100 Awards, and more than 70 years of pioneering research. The Lab is primarily supported by the U.S. Department of Energy’s (DOE) Office of Science. Brookhaven Science Associates (BSA) operates and manages the Laboratory for DOE. BSA is a partnership between Battelle and The Research Foundation for the State University of New York on behalf of Stony Brook University. BSA salutes our veterans and active military members with careers that leverage the skills and unique experience they gained while serving our country. Our organization fully supports service members transitioning from active duty to civilian life and pledge’s our commitment to actively hire veterans of the U.S. Armed Forces. Military personnel who have been formally trained or have relevant experience obtained while in service may meet educational requirements and are encouraged to apply for job opportunities at BSA.

Position Description

The Physics Department at BNL has an opening for a Research Associate in the Electronic Detector Group ( to participate in the Belle II experiment at the KEK laboratory in Tsukuba, Japan.

Belle II is the successor of the Belle experiment. It began collecting asymmetric-energy e+e-collision data produced by the SuperKEKB collider on and near the Upsilon(4S) resonance in March 2018, with the goal to accumulate a sample 50 times larger than Belle. The BNL Belle II group ( has an on-going research activity focused on the search for CP violation in the decay and mixing of charmed hadrons. BNL is the lead lab for US Belle II Computing, hosting a Tier 1 site, with responsibility for distributed data management and the conditions database. The successful candidate is expected to take a leading role in analysis of the data as the experiment ramps up to full luminosity. This position has a high level of interaction with an international and multicultural scientific community

Position Requirements

Essential Duties and Responsibilities

  • Perform physics analysis using Belle II data
  • Active participation in all aspects of the Belle II collaboration, including, but not limited to, participation in collaboration meetings, shift-taking, and performance of service tasks
  • Document and disseminate research results through publications and present research  at meetings and conferences.

Required knowledge, skills and abilities

  • PhD in high energy or nuclear physics
  • Strong record of recent accomplishments in experimental physics
  • Demonstrated track record of publication of research in high-quality peer-reviewed journals
  • Experience in data analysis of particle physics experiments
  • Demonstrated good programming skills in python or C++
  • Experience with software for scientific data analysis
  • Demonstrated ability to perform research independently and as part of a research group
  • Clear and concise writing, interpersonal communication and analytical skills

Preferred knowledge, skills and abilities

  • Experience with assembly and commissioning of a particle physics experiment
  • Knowledge of heavy flavor physics
  • Experience with AI-ML


  • This position will be under the direction of Dr. David Jaffe.
  • Review of applications will begin immediately and will continue until the position is filled.
  • In your electronic application submission, please include (in one document) a cover letter, curriculum vitae, publication list, and a brief description of research interests. After electronic submission of application, applicants should arrange for at least three letters of recommendation to be sent electronically to
  • Initial 2-year term appointment subject to renewal contingent on performance and funding
  • BNL policy requires that after obtaining a PhD, eligible candidates for research associate appointments may not exceed a combined total of 5 years of relevant work experience as a post-doc and/or in an R&D position, excluding time associated with family planning, military service, illness or other life-changing events.
  • While the successful candidate is expected to be based at BNL, it may be subjected to extended stays at KEK or CERN
  • Flexible work arrangements (including telework and remote work) may be considered

Brookhaven Science Associates requires proof of a COVID-19 vaccination for all employees. Proof of full vaccination as recognized by the CDC and/or WHO, inclusive of the two-week waiting period, is required at the start of your employment.

Brookhaven National Laboratory (BNL) is an equal opportunity employer that values inclusion and diversity at our Lab. We are 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. We ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

*VEVRAA Federal Contractor

Brookhaven employees are subject to restrictions related to participation in Foreign Government Talent Recruitment Programs, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation at the time of hire for review by Brookhaven. The full text of the Order may be found at:

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