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Brookhaven National Laboratory Polarized e-Source Scientist in Upton, New York

Polarized e-Source Scientist
Job ID 2473 Date posted 03/10/2021

Brookhaven National Laboratory (www.bnl.gov) 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.

Organizational Overview

The mission of the Collider-Accelerator Department (C-AD) is to operate, maintain, improve, and upgrade the suite of electron, proton, and heavy ion accelerators used to carry out a program of accelerator-based experiments at Brookhaven National Laboratory (BNL). To support this program, the C-AD must design, fabricate, assemble, test, install, and operate unique research equipment to generate, transport, transfer, accelerate, focus, track, collide, and absorb high intensity particle beams up to energies of 250 GeV. This includes a combination of custom designed and built parts and vendor produced components developed by a collaboration of the C-AD scientific, engineering, and technical staff. The C-AD supports an international user community of over 1,500 scientists. The C-AD performs all these functions in an environmentally-responsible and safe manner, under a rigorous conduct of operations approach.

Position Description

The Collider Accelerator Department has an opening for a two-year term Assistant Physicist to develop and utilize polarization methods to characterize and control the degree and quality of electron beam polarization emitted from cathodes for the development of the e-source for the Electron Ion Collider. This position has a high level of interaction with an international and multicultural scientific community.
Essential Duties and Responsibilities:
Develop and utilize methods to measure polarization to characterize the degree and quality of electron beam polarization emitted from photo-cathodes
Contribute to the commissioning, operation and performance characterization studies of the EIC polarized electron source prototype gun and diagnostic beam line
Perform design simulations and optimization as required for polarized e-source development and accelerator design for the EIC preinjector system
Develop, utilize and optimize cathode and e-source system cooling methods
Perform state of the art studies to advance photocathode gun development

Position Requirements

Required Knowledge, Skills, and Abilities:
PhD in Physics
4 years full time relevant experience which can include postdoc experience in the following:
Demonstrated experience in the design, development and measurement of the polarization of electron beam emitted from strained super-lattice GaAs photo-cathodes
Detailed knowledge of and demonstraited experience in electrostatic modeling and design of high voltage components of photo-cathode sources
Detailed knowledge of and demonstrated experience in the use of analytical codes for e-beam dynamics modeling and design optimization of e-beam sources, linear accelerators and e-beam transport
Detailed knowledge and demonstrated experience with photocathode cooling methods
Preferred Knowledge, Skills, and Abilities:
Demonstrated experience with ultra and extreme high vacuum systems
Monte Carlo simulation of photo-electron emission from GaAs photocathodes
Electron spin polarization measurements using a Mott polarimeter
Experience with design and modeling codes such as: AutoCAD, Solidworks, MATLAB, CST Particle Studio, Parmela, Superfish, Opera, Possion, GPT and C++ programming
Environmental, Health & Safety Requirements:
Low to moderate heights, less than 5 feet
Lifting moderate 15-30 lbs
Shift work
OTHER INFORMATION:
Valid drivers' license
Initial 2 year term appointment subject to renewal contingent on performance and funding
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, Dental, and Vision Care Plans
Flexible Spending Accounts
Paid Time-off and Leave Programs (vacation, holidays, sick leave, paid parental leave)
Lab-funded Retirement Plan
401(k) Plan
Flexible Work Arrangements
Tuition Assistance, Training and Professional Development Programs
Employee Fitness/Wellness & Recreation: Gym/Basketball Courts, Weight Room, Fitness Classes, Indoor Pool, Tennis Courts, Sports Clubs/Activities (Basketball, Ping Pong, Softball, Tennis)
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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