Towards the heavy-ion program at J-PARC

A future heavy-ion program at J-PARC has been discussed. The QCD phase structure in high baryon density regime will be explored with heavy ions at the beam momenta of around 10 A GeV/c at the beam rate of 1010–1011 Hz. For this quest, a large acceptance spectrometer is designed to measure electrons...

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Bibliographic Details
Published in:Nuclear physics. A 2014-11, Vol.931, p.1158-1162
Main Authors: Sako, H., Chujo, T., Gunji, T., Harada, H., Imai, K., Kaneta, M., Kinsho, M., Liu, Y., Nagamiya, S., Nishio, K., Ozawa, K., Saha, P.K., Sakaguchi, T., Sato, S., Tamura, J.
Format: Article
Language:English
Subjects:
Heavy ion acceleration
High baryon density
QCD phase diagram
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Summary:A future heavy-ion program at J-PARC has been discussed. The QCD phase structure in high baryon density regime will be explored with heavy ions at the beam momenta of around 10 A GeV/c at the beam rate of 1010–1011 Hz. For this quest, a large acceptance spectrometer is designed to measure electrons and muons, and rare probes such as multi-strangeness and charmed hadrons/nuclei. A heavy-ion acceleration scheme is under study with a new heavy-ion linac and a new booster ring, which accelerate and inject beams into the existing Rapid-Cycling Synchrotron and Main Ring synchrotron. An overview of the heavy-ion program and an accelerator design, as well as physics goals and a conceptual design of the heavy-ion experiment are discussed.
ISSN:0375-9474
DOI:10.1016/j.nuclphysa.2014.08.065