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spokespersons' welcome

Welcome to the STAR website. Helen Caines and Lijuan Ruan are proud to serve as the co-Spokespeople. STAR continues its history of high-quality scientific output, and we are excited by the possibilities of the data STAR has recently collected, and will collect in the course of the next several years. As the only running experiment at RHIC, we persist in pushing our vision and promoting our science at every opportunity. For details of recent events and publications from STAR please take a look at our STAR Focus pages. Information related to your possible visits and user required trainings for the facility is available online.

RHIC is a discovery machine with STAR at center stage. Our Collaboration is composed of 68 institutions from 14 countries, with a total of over 700 collaborators, and we continue to attract new groups. We are proud of having over 320 Ph.D. and master’s students graduate from our program, and for publishing over 280 peer-reviewed scientific papers. We have maintained a similar pace in our scientific productivity and training of the next generation of young scientists for the last 20 years.

From 2019-2021 the Beam Energy-Scan II program is underway utilizing the upgraded TPC and newly installed EPD and eTOF subsystems. The key objective of the BES-II is to explore the QCD phase diagram and seek evidence of a possible critical point. So far the program is progressing incredibly well and we have reached many of dataset goals at collider energies from 7.7-19.6 GeV and also for the fixed-target program, collecting data from 3-7.7 GeV.

Our Spin and Cold QCD research remain key features of the STAR scientific program. Recently, the combined efforts of the whole collaboration allowed us to secure resources for a forward upgrade project, which is progressing smoothly and expected to be online for data taking in 2022, with an exciting cold QCD and heavy-ion program.

The STAR Collaboration is organized and governed by the Council, which consists of one individual representative from each member institution. We are the representatives of the Collaboration in scientific, technical, and managerial concerns, and provide continued leadership of the Collaboration. We have assembled a strong and diverse management team to work broadly within and beyond STAR to achieve our goals.

We are committed to creating an open and inclusive scientific environment where all are encouraged to express their opinions in a collegial and respectful fashion. Please take a look at our code of conduct that all members of the collaboration are expected to strive to follow.

We thoroughly enjoy our work and take our roles as co-Spokespeople very seriously. We therefore encourage you to contact us with questions or comments about STAR.

Helen and Lijuan


Former Spokespersons

2017 - 2020
Zhang Xu (Brookhaven National Laboratory)
Helen Caines (Yale University)

2014 - 2017
Zhangbu Xu
Brookhaven National Laboratory

2008 - 2014
Nu Xu
Nuclear Science Division
Lawrence Berkeley National Laboratory

2002 - 2008
Tim Hallman
Brookhaven National Laboratory
Now at:
Associate Director of Science for Nuclear Physics at DOE

1991 - 2002
John Harris
Yale University (1996 --)
Lawrence Berkeley National Laboratory (1991 - 1996)

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webmaster Last modified: May 29 2020 15:21.
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