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Improved extrapolation methods of data-driven background estimations in high energy physicsopen access

Authors
Choi, SuyongOh, Hayoung
Issue Date
Jul-2021
Publisher
SPRINGER
Citation
EUROPEAN PHYSICAL JOURNAL C, v.81, no.7
Indexed
SCIE
SCOPUS
Journal Title
EUROPEAN PHYSICAL JOURNAL C
Volume
81
Number
7
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/144674
DOI
10.1140/epjc/s10052-021-09404-1
ISSN
1434-6044
1434-6052
Abstract
Data-driven methods of background estimations are often used to obtain more reliable descriptions of backgrounds. In hadron collider experiments, data-driven techniques are used to estimate backgrounds due to multi-jet events, which are difficult to model accurately. In this article, we propose an improvement on one of the most widely used data-driven methods in the hadron collision environment, the "ABCD" method of extrapolation. We describe the mathematical background behind the data-driven methods and extend the idea to propose improved general methods.
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