Measurements of hadron production in ; <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>90</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi><mml:mo>/</mml:mo><mml:mrow><mml:mi>c</mml:mi></mml:mrow></mml:mrow></mml:math>; proton-carbon interactions | CU Experts

Overview

This paper presents the multiplicity of neutral and charged hadrons produced in 90 GeV/c proton-carbon interactions from a dataset taken by the NA61/SHINE experiment in 2017. Particle identification via dE/dx was performed for the charged hadrons π±, K±, and p/p¯; the neutral hadrons KS0, Λ, and Λ¯ were identified via an invariant mass analysis of their decays to charged hadrons. Double-differential multiplicity results as a function of laboratory momentum and polar angle are presented for each particle species; these results provide vital constraints on the predicted neutrino beam flux for current and future long-baseline neutrino oscillation experiments.

Adhikary H; Adrich P; Allison KK; Amin N; Andronov EV; Arsene I-C; Bajda M; Balkova Y; Battaglia D; Bazgir A