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HES-HKS & KaoS meeting Toshi Gogami 5/July/2012. Contents SPL + ENGE Gogami spectra (Λ,Σ 0, 12 Λ B) Level 1.

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Presentation on theme: "HES-HKS & KaoS meeting Toshi Gogami 5/July/2012. Contents SPL + ENGE Gogami spectra (Λ,Σ 0, 12 Λ B) Level 1."— Presentation transcript:

1 HES-HKS & KaoS meeting Toshi Gogami 5/July/2012

2 Contents SPL + ENGE Gogami spectra (Λ,Σ 0, 12 Λ B) Level 1

3 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

4 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

5 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

6 Λ, Σ from CH 1.95 target ~2.8 MeV (FWHM) Mean – Λ +600keV – Σ +150keV

7 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

8 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

9 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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