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phase2:experts [2015/01/27 13:01] – taarre | phase2:experts [2015/01/28 09:42] (current) – dsalerno | ||
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* [[phase2: | * [[phase2: | ||
* [[phase2: | * [[phase2: | ||
+ | * [[phase2: | ||
+ | * [[phase2: | ||
Comparison of different scenarios | Comparison of different scenarios | ||
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1) What is the eta distribution of the 4 jets from HH -> bb decay ? | 1) What is the eta distribution of the 4 jets from HH -> bb decay ? | ||
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+ | {{: | ||
2) What is the eta distribution of the most central jet ? The second | 2) What is the eta distribution of the most central jet ? The second | ||
most central jet ? The third most central jet ? The most forward jet ? | most central jet ? The third most central jet ? The most forward jet ? | ||
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+ | Most central jet: | ||
+ | {{: | ||
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+ | Second most central jet: | ||
+ | {{: | ||
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+ | Third most central jet: | ||
+ | {{: | ||
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+ | Most forward jet: | ||
+ | {{: | ||
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3) From (2) above, can we define eta regions we are most interested in | 3) From (2) above, can we define eta regions we are most interested in | ||
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4) What is the median track PT in the most central jet ? The second | 4) What is the median track PT in the most central jet ? The second | ||
most central jet ? The third most central jet ? The most forward jet ? | most central jet ? The third most central jet ? The most forward jet ? | ||
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+ | Median track PT in most central jet: | ||
+ | {{: | ||
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+ | Median track PT in second most central jet: | ||
+ | {{: | ||
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+ | Median track PT in third most central jet: | ||
+ | {{: | ||
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+ | Median track PT in most forward jet: | ||
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5) From (4) above, can we define track PT regions that we are most interested | 5) From (4) above, can we define track PT regions that we are most interested | ||
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7) * Can we implement tilted pixel modules - perhaps in the FPIX region ? | 7) * Can we implement tilted pixel modules - perhaps in the FPIX region ? | ||
- | There are examples on how to do this in Mersi’s private area. | + | There are examples on how to do this in Mersi’s private area. |
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+ | Possible for the barrel, not possible for the end cap. See page " | ||
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to charm jets and light jets and b-jet id to b-jets. | to charm jets and light jets and b-jet id to b-jets. | ||
b-jet, charm-jet, light jet b-tag parametrizations. | b-jet, charm-jet, light jet b-tag parametrizations. | ||
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+ | ============= Exciting observations ============== | ||
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+ | Everyone can add your observations here : | ||
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+ | * To b-tag all 4 jets in HH->bbb @ 95% (?) efficiency, we need to consider b-tagging out to Eta < 4 (Ben) | ||
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+ | 1) TEST | ||
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+ | Check efficiency at parton level cutting on |eta| < 1, |eta| < 2, |eta| < 3: | ||
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+ | First most central parton: | ||
+ | {{: | ||
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+ | Second most central parton: | ||
+ | {{: | ||
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+ | Third most central parton: | ||
+ | {{: | ||
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+ | Most forward parton: | ||
+ | {{: | ||
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