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Effect_of_hot_towers_in_Jet_finding_algorithm

Updated on Mon, 2014-08-18 08:25. Originally created by devika on 2014-08-14 14:33.

 Hot Towers in BEMC:

softID 275 14078078-14080045
790 14076033-14094024
799 14076033-14092097
993 14080009-14088027
1284 14076033-14077021
1306 14080009-14086022
1786 14082029-14086022
3737 14076033-14093021
1237 all
1176 all
4595 all

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To Properly Masked out Hot towers in Jet algorithm I divided whole run list to 11 sets based on above table;

Run list/ Run Range Hot Towers
runList1   [R14076033-R14077021] 790,799,1284,3737,1237,1176,4595
runList2   [R14077142-R14078017]   790,799,3737,1237,1176,4595
runList3   [R14078018-R14079016]   275,790,799,3737,1237,1176,4595
runList4   [R14080009-R14080045]   275,790,799,993,1306,3737,1237,1176,4595
runList5   [R14081004-R14081013] 790,799,993,1306,3737,1237,1176,4595 
runList6   [R14082029-R14086022] 790,799,993,1306,1786,3737,1237,1176,4595 
runList7   [R14087004-R14088027]   790,799,993,3737,1237,1176,4595
runList8   [R14088105-R14092097]    790,799,3737,1237,1176,4595
runList9   [R14092098-R14093021]   790,3737,1237,1176,4595
runList10 [R14094005-R14094024]   790,1237,1176,4595
runList11 [R14095009-R14126015]   1237,1176,4595

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I choosed 85 runs from runList 8 and read MuDsts 3 times to see the impact of masking Hot towers in jet algorithm code.
Total # of Events : 927997 

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Correct Masking:  Masked Hot Towers  790,799,3737,1237,1176,4595  as in above table in the jet Finding algorithm.

Wrong Masking :  Masked all the Hot Towers 275, 790,799,993, 1284, 1306,1786,3737,1237,1176,4595 as what Jinlog did before.

No Masking :  NO  masking for any Hot towers.

Resulting Plots :

********************************************There are No difference in Event count:

But :
 There are difference in the Jet Input Eta-Phi plots and Jet Pt .

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Difference between Correct and wrong Masking:

It seems that Hot Towers in Jet finding algorithm  does not effet  in final event counts. But There are discripencies in jet PT and Jet Eta -phi  after masking HOt Towers in Jet algorithm. So My feeling that we should simply proceed with Masking appropriate hot towers in jet finding algorithm.


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