2023 journal article

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Precision pulse shape simulation for proton detection at the Nab experiment

Phys. Rev. C, 107, 065503.

By: L. Hayen, J. Choi ⁿ, D. Combs  ⁿ, R. Taylor  ⁿ, S. Baeßler ^*, N. Birge ^*, L. Broussard ^*, C. Crawford ^* ...and 17 other authors, including 1 NC State author, N. Fomin ^*, M. Gericke ^*, F. Gonzalez ^*, A. Jezghani ^*, N. Macsai^*, M. Makela ^*, D. Mathews ^*, R. Mammei ^*, M. McCrea ^*, A. Mendelsohn ^*, A. Nelsen^*, G. Riley ^*, T. Shelton^*, S. Sjue ^*, E. Smith ^*, A. Young ⁿ , B. Zeck  ⁿ

10.1103/PhysRevC.107.065503

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Source: ORCID

Added: July 24, 2023

The Nab experiment at Oak Ridge National Laboratory, USA, aims to measure the beta-antineutrino angular correlation following neutron $\beta$ decay to an anticipated precision of approximately 0.1\%. The proton momentum is reconstructed through proton time-of-flight measurements, and potential systematic biases in the timing reconstruction due to detector effects must be controlled at the nanosecond level. We present a thorough and detailed semiconductor and quasiparticle transport simulation effort to provide precise pulse shapes, and report on relevant systematic effects and potential measurement schemes.