Drift velocity and deflection in non-perpendicular electric and magnetic fields

Ulrich J. Becker, Yuan Hann Chang, Jonathan P. Rodin, Bryan R. Smith

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Accurate tracking in inhomogeneous and arbitrarily oriented magnetic fields requires the velocity and direction of the drifting ionization to be known to high precision. A semi-empirical method of calculating drift velocities and magnetic deflection angles is presented for non-perpendicular electric and magnetic fields. Data obtained using a drift chamber rotated in a B-field verify the calculation. The model is used to restore accuracy in the L3 forward/backward muon detector where non-orthogonal and inhomogeneous electric and magnetic fields are present.

Original languageEnglish
Pages (from-to)476-480
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number3
StatePublished - 15 Jun 1995


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