A new calibration method for charm jet identification validated with proton-proton collision events at √s = 13 TeV

Abstract

Many measurements at the LHC require efficient identification of heavy-flavour jets, i.e. jets originating from bottom (b) or charm (c) quarks. An overview of the algorithms used to identify c jets is described and a novel method to calibrate them is presented. This new method adjusts the entire distributions of the outputs obtained when the algorithms are applied to jets of different flavours. It is based on an iterative approach exploiting three distinct control regions that are enriched...

Authors Natascha Krammer, Lukas Lechner, Ivan Mikulec, Peter Paulitsch, Florian Michael Pitters, Robert Schöfbeck, Sebastian Templ, Claudia-Elisabeth Wulz, Vladimir Chekhovsky, Aliaksandr Litomin, Vladimir Makarenko, Mohamed Rashad Darwish, Eddi A. De Wolf, Tahys Janssen, Tomas Kello, Aleksandra Lelek, Haifa Rejeb Sfar, Pierre Van Mechelen, Senne Van Putte, Nick Van Remortel, Freya Blekman, Emil Sørensen Bols, Jorgen D'Hondt, Jarne De Clercq, Martin Delcourt, Hesham El Faham, Steven Lowette, Seth Moortgat, Alexander Morton, Denise Müller, Stefaan Tavernier, Walter Van Doninck, Petra Van Mulders, Diego Beghin, Bugra Bilin, Barbara Clerbaux, Laurent Favart, Anastasia Grebenyuk, Amandeep Kaur Kalsi, Kyeongpil Lee, Mostafa Mahdavikhorrami, Inna Makarenko, Laurent Pétré, Andrey Popov, Nicolas Postiau, Laurent Thomas, Max Vanden Bemden, Catherine Vander Velde, Pascal Vanlaer, David Vannerom

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