Momentum scale calibration of the LHCb spectrometer

For accurate determination of particle masses accurate knowledge of the momentum scale of the detectors is crucial. The procedure used to calibrate the momentum scale of the LHCb spectrometer is described and illustrated using the performance obtained with an integrated luminosity of 1.6 fb -1 colle...

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Veröffentlicht in:	JINST 2024-02, Vol.19 (2), p.P02008
Hauptverfasser:	Abellan Beteta, C., Akiba, K., Alfonso Albero, A., Anderlini, L., Andersson, M., Arguedas Cuendis, S., Baptista de Souza Leite, J., Bassi, G., Becker, M., Bernet, R., Betancourt, C., Biolchini, A., Borsuk, J.T., Burke, A.T., Buytaert, J., Calabrese, R., Campora Perez, D.H., Caravaca-Mora, R., Cerasoli, J., Cervenkov, D., Chadwick, A.J., Dai, X., Davidson, A., Deschamps, O., Dey, B., Dobishuk, V., Dordei, F., Downes, A.G., Ejopu, E., Fazzini, D., Feo, M., Fernez, A.D., Ferrari, F., Ferrillo, M., Fini, R.A., Friday, D.A., Galati, G., Gandini, P., Gao, H., Garau, M., Giza, M.A., Glaser, F.C., Golutvin, A., Grecu, A.T., Gu, C., Guarise, M., Haefeli, G., Heuel, J., Hill, D., Hollitt, S.E., Juszczak, I., Khanji, B., Konoplyannikov, A., Kot, O., Kubis, S., Legotin, S., Lindner, R., López Soliño, S., Lupato, A., Mackey, L.M., Majewski, M.W., Malentacca, L., Mattioli, K.R., Morris, A.B., Nicotra, D., O'Neil, R.H., Pais, P.R., Pappenheimer, C., Polci, F., Polyakov, I., Qu, S., Richardson-Slipper, M., Roloff, P., Romero Vidal, A., Romolini, G., Ruiz Fernandez, R.A., Santamarina Rios, C., Sarpis, M., Scarabotto, A., Sheng, S., Shorkin, R., Silva Coutinho, R., Solovev, A., Song, Y., Spiridenkov, E., Stevens, H., Su, Y., Sun, Y., T'Jampens, S., Ursov, E., Velthuis, J.J., vom Bruch, D., Wang, Y., Wang, Z., Yang, D., Yang, X., Yeroshenko, V., Zeng, M., Zharkova, A., Zhu, X.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analyse Analysis Analysis and statistical methods Fysik High Energy Physics - Experiment Integrated luminosity Luminosity Momentum Natural Sciences Naturvetenskap Particle mass Particle tracking Particle tracking detector Particle tracking detectors Physical Sciences Physics Relative accuracy Scale calibration Spectrometers statistical methods Subatomic Physics Subatomär fysik Tracking detectors
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Beschreibung
Zusammenfassung:	For accurate determination of particle masses accurate knowledge of the momentum scale of the detectors is crucial. The procedure used to calibrate the momentum scale of the LHCb spectrometer is described and illustrated using the performance obtained with an integrated luminosity of 1.6 fb -1 collected during 2016 in pp running. The procedure uses large samples of J / ψ → μ + μ - and B + → J / ψ K + decays and leads to a relative accuracy of 3 × 10 -4 on the momentum scale.
ISSN:	1748-0221 1748-0221
DOI:	10.1088/1748-0221/19/02/P02008