14 research outputs found

    The Higgs sector in the Next-to-MSSM

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    We study the Higgs sector in the Next-to-Minimal Supersymmetric Standard Model with and without explicit CP violation, focusing on the case of weak scale expectation value of the singlet field. We scan a wide range of the parameter space to find out allowed regions by requiring that the electroweak vacuum be the global minimum of the effective potential and that the neutral Higgs bosons with moderate gauge coupling be heavier than the lower bound on the Higgs boson in the standard model. Among the allowed parameters, some sets admit the situation in which the light Higgs bosons couple with the ZZ boson too weak to be found in present collider experiments. For such parameter sets, we find an upper bound on the charged Higgs mass which is reachable in LHC.Comment: 21 pages, 7 figure

    Learning behavior of 21st century program students

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    Kyushu University has an honors program named 21st century program. Students of the program are permitted that they can choose academic courses freely. In this paper we consider their learning behavior. First, we give an overview of their learning behavior based on four-years school records of the students who entered university from 2009 to 2011. Next, we show in detail their course selection from fundamental-natural-science courses, because it indicates a characteristic result, that is exponential growth of credits. We discuss the result based on a student data who entered from 2009 to 2013. Finally, we present student attendance and participation state to Combined Tutorial by which we consider a problem for grasping student\u27s learning and growth nature those are difficult to extract from school records

    Let\u27s Know about Your Classmates through their favorite books : A Trial in Core-Seminar

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    九州大学の全学教育科目「コアセミナー」は,各学部が必要とする初年次教育の実施を目的として設定され,学部ごとに特徴的な内容と方法を取り入れたセミナーが実施されている.今回,特色ある試験的な取り組みとして,九州大学附属図書館との連携によって,コアセミナーへのビブリオバトルの導入を行った.受講学生へのアンケート調査の結果から,「読む」,「伝える」,「聴く」などのスキルアップについての成果,「関心の広がり」,「コミュニケーション力の増加」,「人に対する興味・関心の深まり」などの内面的な側面に対する成果などを見てとることができるなど,初年次教育の教材としての有効性を確認することができた.今回の取り組みは,学部担当教員と附属図書館職員との教職連携による教育現場での実践例として,今後の教育改善や教育開発研究に参考となることが期待される

    Magnetic Moment of the Isomeric State of 75^{75}Cu Measured with a Highly Spin-aligned Beam

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    International audienceThe magnetic moment of the isomeric state of the neutron-rich ^75Cu nucleus was measured using a highly spin-aligned beam produced via a two-step reaction scheme. In the experiment carried out at the BigRIPS at RIBF, we achieved to produce spin alignment reaching 30% by employing the one-proton removal from ^76Zn to produce ^75Cu. In the magnetic moment measurement, a method of time-differential perturbed angular distribution (TDPAD) was employed. Precession of the isomeric state with spin parity of 3/2^− was clearly observed with significance larger than 5σ in the TDPAD spectrum. The magnetic moment of the isomeric state of ^75Cu was determined to be μ = 1.40(6)μ_N

    The International Linear Collider: Report to Snowmass 2021

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    The International Linear Collider (ILC) is on the table now as a new global energy-frontier accelerator laboratory taking data in the 2030s. The ILC addresses key questions for our current understanding of particle physics. It is based on a proven accelerator technology. Its experiments will challenge the Standard Model of particle physics and will provide a new window to look beyond it. This document brings the story of the ILC up to date, emphasizing its strong physics motivation, its readiness for construction, and the opportunity it presents to the US and the global particle physics community

    The International Linear Collider: Report to Snowmass 2021

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    International audienceThe International Linear Collider (ILC) is on the table now as a new global energy-frontier accelerator laboratory taking data in the 2030s. The ILC addresses key questions for our current understanding of particle physics. It is based on a proven accelerator technology. Its experiments will challenge the Standard Model of particle physics and will provide a new window to look beyond it. This document brings the story of the ILC up to date, emphasizing its strong physics motivation, its readiness for construction, and the opportunity it presents to the US and the global particle physics community

    The International Linear Collider:Report to Snowmass 2021

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