Publications [#374252] of Ashutosh V. Kotwal

Papers Published
  1. Aad, G; Abbott, B; Abeling, K; Abidi, SH; Aboulhorma, A; Abramowicz, H; Abreu, H; Abulaiti, Y; Abusleme Hoffman, AC; Acharya, BS; Adam Bourdarios, C; Adamczyk, L; Adamek, L; Addepalli, SV; Adelman, J; Adiguzel, A; Adorni, S; Adye, T; Affolder, AA; Afik, Y; Agaras, MN; Agarwala, J; Aggarwal, A; Agheorghiesei, C; Aguilar-Saavedra, JA; Ahmad, A; Ahmadov, F; Ahmed, WS; Ahuja, S; Ai, X; Aielli, G; Ait Tamlihat, M; Aitbenchikh, B; Aizenberg, I; Akbiyik, M; Åkesson, TPA; Akimov, AV; Akolkar, NN; Khoury, KA; Alberghi, GL; Albert, J; Albicocco, P; Alderweireldt, S; Aleksa, M; Aleksandrov, IN; Alexa, C; Alexopoulos, T; Alfonsi, A; Alfonsi, F; Alhroob, M; Ali, B; Ali, S; Aliev, M; Alimonti, G; Alkakhi, W; Allaire, C; Allbrooke, BMM; Allendes Flores, CA; Allport, PP; Aloisio, A; Alonso, F; Alpigiani, C; Alvarez Estevez, M; Alvarez Fernandez, A; Alviggi, MG; Aly, M; Amaral Coutinho, Y; Ambler, A; Amelung, C; Amerl, M; Ames, CG; Amidei, D; Amor Dos Santos, SP; Amos, KR; Ananiev, V; Anastopoulos, C; Andeen, T; Anders, JK; Andrean, SY; Andreazza, A; Angelidakis, S; Angerami, A; Anisenkov, AV; Annovi, A; Antel, C; Anthony, MT; Antipov, E; Antonelli, M; Antrim, DJA; Anulli, F; Aoki, M; Aoki, T; Aparisi Pozo, JA; Aparo, MA; Aperio Bella, L; Appelt, C; Aranzabal, N; Araujo Ferraz, V; Arcangeletti, C; Arce, ATH, Studies of the muon momentum calibration and performance of the ATLAS detector with pp collisions at √s=13 TeV, European Physical Journal C, vol. 83 no. 8 (August, 2023), Springer Science and Business Media LLC [doi] .

    Abstract:
    This paper presents the muon momentum calibration and performance studies for the ATLAS detector based on the pp collisions data sample produced at s = 13 TeV at the LHC during Run 2 and corresponding to an integrated luminosity of 139 fb - 1 . An innovative approach is used to correct for potential charge-dependent momentum biases related to the knowledge of the detector geometry, using the Z→ μ+μ- resonance. The muon momentum scale and resolution are measured using samples of J/ ψ→ μ+μ- and Z→ μ+μ- events. A calibration procedure is defined and applied to simulated data to match the performance measured in real data. The calibration is validated using an independent sample of Υ → μ+μ- events. At the Z (J/ ψ) peak, the momentum scale is measured with an uncertainty at the 0.05% (0.1%) level, and the resolution is measured with an uncertainty at the 1.5% (2%) level. The charge-dependent bias is removed with a dedicated in situ correction for momenta up to 450 GeV with a precision better than 0.03 TeV - 1 .

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