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Belle II Notes : Approved plots
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2023-08-31
12:36
Simulation study on the cross section measurement of e+e− → π+π−π0 through the radiative return method at Belle II
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Yuki Sue
[BELLE2-NOTE-PL-2023-004]
31 August 2023
This note presents plots of MC study for the cross section measurement of e+e− → π+π−π0..
v3:
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2023-04-21
07:43
Development of FastBDT Classifiers to Suppress Beam Background Clusters and Fake Photons
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Priyanka Cheema
;
Racha Cheaib
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Bruce Yabsley
;
Chia-Ling Hsu
;
et al
[BELLE2-NOTE-PL-2023-003]
21 April 2023
We present an overview of the methodology used to develop FastBDT classifiers that suppress beam background clusters and fake photons, with the aim of using these classifiers to improve the signal-background separation power of the residual calorimeter energy E_ECL. [...]
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2023-03-20
05:46
Study of B+ → J/ψ K*+ (→KS pi+) decays
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Natsuki Kuroda
;
Kenkichi Miyabayashi
[BELLE2-NOTE-PL-2023-002]
18 March 2023
We report a study for reconstruction of the decay chain of B0 → J/ψK∗+ followed by J/ψ → μ+μ−, K∗+ → KS0π+ and KS0 → π+π−. [...]
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2023-01-31
13:28
Efficiency study on the cross section measuremnt of ee->pi+pi-pi0 through the radiative return method at Belle II
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Yuki Sue
[BELLE2-NOTE-PL-2023-001]
31 January 2023
This document presents plots of efficiency study for the cross section measurement of ee->3pi. [...]
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2022-11-23
10:45
Measurement of instrumental asymmetries of kaons and pions
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The Belle II Collaboration
[BELLE2-NOTE-PL-2022-004]
23 November 2022
We measure instrumental asymmetries of kaons and pions using $D^0 \to K^-\pi^+$ and $D^- \to K^0_S\pi^-$ decays. [...]
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2022-08-25
08:51
Efficiency study on the cross-section measurement of ee -> 3pi through the radiative return method at Belle II
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Yuki Sue
[BELLE2-NOTE-PL-2022-003]
25 August 2022
This note presents plots of efficiency study for the cross section measurement of ee -> 3pi. [...]
Fulltext:
BELLE2-NOTE-PL-2022-003
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v2
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v3
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2022-03-30
18:24
Study of photon energy bias using π0 → γγ decays from D∗+ → D0(→ K−π+π0)π+
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The Belle II Collaboration
[BELLE2-NOTE-PL-2022-002]
30 March 2022
We reconstruct clean samples of π0 → γγ decays from the D∗+ → D0(→ K−π+π0)π+ decay chain in both data and simulation to study the bias in the reconstructed π0 mass. [...]
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2022-01-17
20:50
2021c energy scan information
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Bryan Fulsom
[BELLE2-NOTE-TE-2021-029]
[BELLE2-NOTE-PL-2022-001]
17 January 2022
This plot demonstrates the change in center-of-mass energy during the energy scan run taken in Nov-Dec 2021 during Run 2021c..
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2021-09-22
12:24
Belle II experiment sensitivity to the LFV decay tau -> l + alpha
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The Belle II Collaboration
[BELLE2-NOTE-PL-2021-011]
22 September 2021
We study the charged lepton flavor violating decay tau -> l alpha, where alpha is a non-standard invisible boson that leaves the Belle II detector undetected and l is either an electron or a muon [...]
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2021-09-22
11:52
Belle II experiment sensitivity to the LFV decays tau -> l + alpha
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The Belle II Collaboration
[BELLE2-NOTE-PL-2021-010]
22 September 2021
We study the charged lepton flavor violating decay tau -> l alpha, where alpha is a non-standard invisible boson that leaves the Belle II detector undetected and l is either an electron or a muon [...]
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