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Title
Japanese:Performance of pile-up mitigation techniques for jets in $pp$ collisions at $\sqrt{s}=8$  TeV using the ATLAS detector 
English:Performance of pile-up mitigation techniques for jets in $pp$ collisions at $\sqrt{s}=8$  TeV using the ATLAS detector 
Author
Japanese: 山口洋平.  
English: Youhei Yamaguchi.  
Language English 
Journal/Book name
Japanese: 
English: 
Volume, Number, Page Vol. "C76"    No. "11"    pp. "581"
Published date Oct. 2015 
Publisher
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English: 
Conference name
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Conference site
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Official URL http://inspirehep.net/record/1397638
 
DOI https://doi.org/10.1140/epjc/s10052-016-4395-z
Abstract The large rate of multiple simultaneous proton–proton interactions, or pile-up, generated by the Large Hadron Collider in Run 1 required the development of many new techniques to mitigate the adverse effects of these conditions. The methods employed to correct for the impact of pile-up on jet energy, shapes and multiplicity with the ATLAS detector are presented here. They include energy correction techniques based on estimates of the average pile-up energy density and jet-to-vertex association techniques. Extensions of these methods to reduce the impact of pile-up on jet shapes use both subtraction and grooming procedures. Prospects for pile-up suppression at the HL-LHC are also

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