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Published byAllyson Neal Modified over 9 years ago
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HES-HKS & KaoS meeting Toshi Gogami 5/July/2012
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Contents SPL + ENGE Gogami spectra (Λ,Σ 0, 12 Λ B) Level 1
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SPL + ENGE01 EDC and SS/Collimator – Displacement & rotation control from input file New field map to be generated from a model with SPL field clamp will be done
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Matrix tuning 1.Read the code ( 超大作 ) done 2.(Practice of Minuit) Command list http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node 18.html http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node 18.html 3.Run the code 3 x 3 iterations ( ~3 hours ) – Limit – Step – set strategy --> argument 0 --> 2
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Matrix tuning 1.Read the code ( 超大作 ) done 2.(Practice of Minuit) Command list http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node 18.html http://wwwasdoc.web.cern.ch/wwwasdoc/minuit/node 18.html 3.Run the code 3 x 3 iterations ( ~3 hours ) – Limit – Step – set strategy --> argument 0 --> 2
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Λ, Σ from CH 1.95 target ~2.8 MeV (FWHM) Mean – Λ +600keV – Σ +150keV
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12 C target g.s. mass --> 前回の フィッティングの 中心値 --> ずれる と収束する値もず れる – ある程度ずれた場 合は前回の中心値 を起用する等 – g.s. の収束の中心 値の決定方法
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ちょっと気になったこと 数が少ないピークが効きや すい 12 Λ B low statistic 12 Λ B high statistic fcns.C TMinuit に与える chi-square
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Summary & To do Summary – ENGE +SPL (minor modification) – Level 1 histograms for Λ,Σ 0, 12 Λ B To do – Matrix tuning Λ,Σ の対称性 12 Λ B g.s. の収束値の決め方 Chi-square の定義、重み Maximum entropy – Parameters xt functions – Tracking HES
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