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The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration dataset recorded by the LHCb detector and selected such that the jets are unbiased in quantities used in the tagging algorithm. The charm-tagging efficiency is reported as a function of the transverse momentum of the jet. The measured efficiencies are compared to those obtained from simulation and found to be in good agreement.
Olivier Schneider, Aurelio Bay, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Donal Patrick Hill, Marie Theres Christin Bachmayer, Sebastian Schulte, Aravindhan Venkateswaran, Veronica Sølund Kirsebom, Renato Quagliani, Yunxuan Song, Luis Miguel Garcia Martin, Vitalii Lisovskyi, Surapat Ek-In, Sonia Amina Bouchiba, Serhii Cholak, Federico Ronchetti, Sara Celani, Anni Matilda Kauniskangas, Raphaël van Laak, Ettore Zaffaroni, Elisabeth Maria Niel, Radoslav Marchevski, Dimitrios Kaminaris, Maria Carolina Feliciano Faria, Louis André Marie Jean Henry
Olivier Schneider, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Donal Patrick Hill, Marie Theres Christin Bachmayer, Sebastian Schulte, Aravindhan Venkateswaran, Veronica Sølund Kirsebom, Renato Quagliani, Luis Miguel Garcia Martin, Vitalii Lisovskyi, Surapat Ek-In, Serhii Cholak, Federico Ronchetti, Sara Celani, Anni Matilda Kauniskangas, Raphaël van Laak, Ettore Zaffaroni, Elisabeth Maria Niel, Pierre Paul Louis Mayencourt, Brianna Leililani Thielen, Yifei Song, Radoslav Marchevski, Dimitrios Kaminaris
Olivier Schneider, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Donal Patrick Hill, Marie Theres Christin Bachmayer, Sebastian Schulte, Aravindhan Venkateswaran, Veronica Sølund Kirsebom, Renato Quagliani, Luis Miguel Garcia Martin, Vitalii Lisovskyi, Surapat Ek-In, Serhii Cholak, Federico Ronchetti, Sara Celani, Anni Matilda Kauniskangas, Raphaël van Laak, Ettore Zaffaroni, Elisabeth Maria Niel, Pierre Paul Louis Mayencourt, Brianna Leililani Thielen, Yifei Song, Radoslav Marchevski, Dimitrios Kaminaris