Momentum scale calibration of the LHCb spectrometer

LHCb Collaboration; Aaij, Roel; Chobanova, Veronika; Needham, Matthew

Use this link to cite:

http://hdl.handle.net/2183/42107

Momentum scale calibration of the LHCb spectrometer

Files

Chobanova_Veronika_2024_Momentum_scale_calibration_LHCb_spectrometer.pdf (1.49 MB)

Identifiers

URI: http://hdl.handle.net/2183/42107

DOI: https://doi.org/10.1088/1748-0221/19/02/P02008

Publication date

2024-02

Authors

LHCb Collaboration

Aaij, Roel

Chobanova, Veronika

Needham, Matthew

Bibliographic citation

R. Aaij et al 2024 JINST 19 P02008. https://doi.org/10.1088/1748-0221/19/02/P02008

Abstract

[Abstract] 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/ψk+ decays and leads to a relative accuracy of 3 × 10¯⁴ on the momentum scale.