Maity, S. and Ipsita, N. S. and Patra, S.
(2022)
Slow-Pion Relative Tracking Efficiency Studies at Belle II.
In: 24th DAE-BRNS High Energy Physics Symposium, 2020, 14 December 2020 through 18 December 2020, Jatni.
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Abstract
We study B0→ D∗ -π+ and B0→ D∗ -ρ+ decay modes to calculate the slow-pion relative tracking efficiency, where the D∗ - further goes to D0¯ and π-.Owing to its limited phase space, the pion from D∗ decay is traditionally referred to as the slow pion due to a small mass difference between the D∗ and D0¯.We report herein a measurement of efficiency in the momentum region of 50–320 MeV/c using B0→ D∗ -π+ and B0→ D∗ -ρ+ decay modes in simulated data. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
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