2010 Fiscal Year Final Research Report
Formation of Quark Matter and Photon Physics
| Project/Area Number |
18002010
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| Research Category |
Grant-in-Aid for Specially Promoted Research
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| Allocation Type | Single-year Grants |
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| Review Section |
Science and Engineering
Mathematics and Physics
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| Research Institution | Hiroshima University |
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Principal Investigator |
SUGITATE Toru Hiroshima University, 大学院・理学研究科, 教授 (80144806)
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| Co-Investigator(Kenkyū-buntansha) |
SHIGAKI Kenta 広島大学, 大学院・理学研究科, 准教授 (70354743)
MIAKE Yasuo 筑波大学, 大学院・数理物質科学研究科, 教授 (10157422)
HAMAGAKI Hideki 東京大学, 大学院・理学系研究科, 准教授 (90114610)
INABA Motoi 筑波技術大学, 産業技術学部, 准教授 (80352566)
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| Co-Investigator(Renkei-kenkyūsha) |
HOMMA Kensuke 広島大学, 大学院・理学研究科, 助教 (40304399)
TORII Hisayuki 広島大学, 大学院・理学研究科, 特任助教 (30392046)
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| Project Period (FY) |
2006 – 2010
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| Keywords | クォーク物質 / 高エネルギー原子核衝突 / LHC加速器 / ALICE実験 / 極初期宇宙 |
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| Research Abstract |
We have developed and constructed an electromagnetic calorimeter PHOS, composed of finely segmented lead-tungstate crystals coupled with APD readout, as a part of the ALICE international collaboration at CERN. We have deployed PHOS in the first p+p and Pb+Pb collisions at the LHC accelerator, and successfully carried out photon physics in the new LHC domain based on high precision measurement, which PHOS uniquely makes possible. We observed new features of the nuclear collision system at LHC including high energy density and strong jet quenching. They shed new light on properties of quark matter.
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