2016 Fiscal Year Final Research Report

Searches for the super-symmetric signatures and the verification of the Grand Unification Theory

Planned Research

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Project Area	Particles Physics opening up the Tera-scale horizon using LHC
Project/Area Number	23104003
Research Category	Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
Allocation Type	Single-year Grants
Review Section	Science and Engineering
Research Institution	The University of Tokyo
Principal Investigator	ASAI Shoji 東京大学, 大学院理学系研究科(理学部), 教授 (60282505)
Co-Investigator(Kenkyū-buntansha)	中本建志大学共同利用機関法人高エネルギー加速器研究機構, 超伝導低温工学センター, 教授 (20290851) 陣内修東京工業大学, 理工学研究科, 准教授 (50360566) 田中純一東京大学, 素粒子物理国際研究センター, 准教授 (80376699)
Co-Investigator(Renkei-kenkyūsha)	YAMAMOTO Akira 大学共同利用機関法人高エネルギー加速器研究機構, 加速器研究施設, 研究員 (30113418) SASAKI Kenichi 大学共同利用機関法人高エネルギー加速器研究機構, 超伝導低温工学センター, 准教授 (70322831) KIKUCHI Akihiro 国立研究開発法人物質・材料研究機構, 超伝導線材ユニット, 主席研究員 (50343877) YOKOYAMA Hiromi 東京大学, 大学院理学系研究科, 准教授 (50401708)
Project Period (FY)	2011-04-01 – 2016-03-31
Keywords	LHC / ATLAS / 超対称性粒子 / ヒッグス粒子 / 超伝導
Outline of Final Research Achievements	Searches for the super-symmetric signatures were systematically conducted for the categorized channels based on the production and the decay topologies of the assumed signals. Although some signal-like events were detected, none of the channels were significant, hence the stringent limits were set. Also the new particles, and exotics phenomena were searched for with the signatures such as, long-lived particles, high-mass resonances, peculiar final states. None of them had a large enough significance for the discovery and the limits were set accordingly. For the magnet developments towards the high-luminosity LHC accelerator upgrade, the high radiation tolerant cables were developed. 2-m model pilot magnet was fabricated and the excitation test at 1.9K was performed. In addition, high field magnet beyond 10T was developed and performance of the cables was assessed.
Free Research Field	素粒子物理学実験