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Exploring dense baryonic matter and multi-strangeness at J-PARC Heavy-Ion Project

6 Nov 2019, 10:20
Ball Room 1 (Wanda Reign Wuhan Hotel)

Ball Room 1

Wanda Reign Wuhan Hotel

Oral Presentation Search for the critical end point Parallel Session - Search for the CP II


Hiroyuki Sako for the J_PARC-HI Collaboration (Japan Atomic Energy Agency)


J-PARC is one of the world’s highest-intensity proton accelerators for material and life sciences, neutrino physics, and hadron and nuclear physics. By acceleration of heavy-ion beams, J-PARC could also become a high-intensity frontier heavy-ion beam facility. For heavy-ion acceleration, we will build a new compact heavy-ion linac and a booster ring as an injector, while we utilize the existing RCS and MR synchrotrons to accelerate $10^{11}$ Hz heavy-ion beams at 1-12 AGeV/c. We aim at exploring phase structures of the QCD phase diagram in a high baryon density regime such as the first-order phase boundary and the QCD critical point, and also at searching for various multi-strangeness particles/nuclei and studying hadron interactions. We are developing the design for a large acceptance spectrometer based on a large dipole magnet. In this presentation, physics feasibility such as flow and hypernuclear measurements will be shown. We will show a plan to transport heavy-ion beams in the primary proton beam line at Hadron Experimental Facility, and an upgrade plan to study heavy-ion collisions at J-PARC E16, which will start in early 2020 to study dielectron spectra in p+A collisions.

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