Belle II Notes : Approved plots

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2019-07-17
15:26
Approved plots: Study of R2 distribution and B counting in Early Phase 3 Data / Claudia Cecchi ; Guglielmo De Nardo ; Mario Merola ; Elisa Manoni ; et al [BELLE2-NOTE-PL-2019-013]
17 July 2019

We have studied the event shape variable R2 represented by the ratio of the second and zeroth Fox-Wolfram moment. [...]
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2019-07-09
11:06
$J/\Psi \to \ell^+ \ell^-$ in early Phase 3 data using global particle likelihood. / Daniel Ferlewicz ; Giacomo De Pietro ; Yosuke Yusa [BELLE2-NOTE-PL-2019-012]
09 July 2019

We present approved plots for $J/\Psi \to \ell^+ \ell^-$ in bucket 4 and bucket 6 of early phase 3 data, using basic track selection criteria and global particle likelihoods for both the dielectron and dimuon final states..
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2019-07-08
17:52
Study of the impact parameter resolution and the beam profile in early Phase 3 data / Nils Braun ; Alexander Glazov ; Carsten Niebuhr ; Eugenio Paoloni ; et al [BELLE2-NOTE-PL-2019-011] Figures from the note BELLE2-NOTE-TE-2019-018 (internal)
08 July 2019

Ability to reconstruct the track impact parameter with high resolution is essential for CP violation studies at Belle II. [...]
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2019-07-08
00:47
Reconstruction of B0 → J/ψ K0S and B+ → J/ψ K+ / Y. Yusa [BELLE2-NOTE-PL-2019-010]
08 July 2019

In this note, we describe about the reconstruction of CP eigenstate of B^0 → J/ψ K^0_S and its control sample of B^+ → J/ψ K^+ using early data set taken during spring run in 2019..
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2019-07-07
16:45
Full Event Interpretation Reconstruction Performance with 0.41 fb-1 of Phase 3 data / William Sutcliffe ; Florian Bernlochner [BELLE2-NOTE-PL-2019-009]
07 July 2019

This note presents hadronic FEI performance plots associated with the analysis work presented in BELLE2-NOTE-PH-2019-031 for approval made using buckets 4 and 6 (0.41 fb$^{-1}$) of early phase III data. [...]
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2019-07-07
13:02
B0→ D*l ν in 0.41 fb-1 of collision data. / Minakshi Nayak, Abi Soffer [BELLE2-NOTE-PL-2019-008]
07 July 2019

This figure shows the maximum likelihood fit to $\cos\theta_{BY}$ and $m^{2}_{miss}$ distributions of $\bar B^0 \to D^{*+} l^- \bar\nu_l$ candidates using 0.41 fb$^{-1}$ of collision data. [...]
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2019-07-05
22:33
Pulse Shape Discrimination Results from Phase 2 / Savino Longo ; John Michael Roney [BELLE2-NOTE-PL-2019-007]
05 July 2019

These plots show CsI(Tl) pulse shape discrimination results from Phase 2 data and simulation. [...]
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2019-07-04
17:42
D0 in phase 2, 3 and simulation of X(3872) partner at the D*0 D*0 threshold / Klemens Lautenbach ; Sören Lange ; Elisabetta Principe [BELLE2-NOTE-PL-2019-006]
04 July 2019

Plots of D0 in phase 2 and 3 as well as for the simulation of X(4014) are shown...
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2019-07-04
17:17
B→D(*)h in 410 pb-1 of collision data. / E.Ganiev ; J.Libby ; N.Rout ; D.Tonelli ; K.Trabelsi [BELLE2-NOTE-PL-2019-005]
04 July 2019

This figure shows the $\Delta E$ and $M_{bc}$ distributions of $B$ candidates in 410~pb$^{-1}$ of collision data, in the mode $B \to D^{(*)}h$ where $h = \pi, \rho$. [...]
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2019-07-02
11:29
D0 Lifetime On Bucket6 Phase3 Data / Gaetano de Marino ; Giulia Casarosa [BELLE2-NOTE-PL-2019-003]
02 July 2019

Plots of the D0 mass, Q value and proper time used to extract the D0 lifetime on bucket 6 data with prompt GT..
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