N. K. Nisar

activity

20142023

most citedThe Physics of the B Factories

427 citations · 579 across the 17 of their papers we have counts for

collaborators

17 papers

hep-ex2023★ 20 cited

Determination of $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays with Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +416

We determine the CKM matrix-element magnitude $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays reconstructed in $189 fb^{- 1}$ of collision data collec…

hep-ex2023★ 4 cited

Measurement of the $e^{+} e^{-} \to B_{s}^{0} B ˉ_{s}^{0} X$ cross section in the energy range from $10.63$ to $11.02$ GeV using inclusive $D_{s}^{\pm}$ and $D^{0}$ production

Belle Collaboration, V. Zhukova, R. Mizuk +188

We report the first measurement of the inclusive $e^{+} e^{-} \to b b ˉ \to D_{s}^{\pm} X$ and $e^{+} e^{-} \to b b ˉ \to D^{0} / D ˉ^{0} X$ cross sections in the energy range from $10.63$ t…

hep-ex2023★ 6 cited

Measurement of $C P$ violation in $B^{0} \to K_{S}^{0} π^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +399

We report a measurement of the $C P$ -violating parameters $A$ and $S$ in $B^{0} \to K_{S}^{0} π^{0}$ decays at Belle II using a sample of $387 \times 1 0^{6}$ $B B ˉ$ events recor…

hep-ex2023★ 6 cited

Measurement of the mass and width of the $Λ_{c} (2625)^{+}$ and the branching ratios of $Λ_{c} (2625)^{+} \to Σ_{c}^{0} π^{+}$ and $Λ_{c} (2625)^{+} \to Σ_{c}^{++} π^{-}$

Belle Collaboration, D. Wang, J. Yelton +181

Using the entire data sample of $980 fb^{- 1}$ collected with the Belle detector operating at the KEKB asymmetric-energy collider, we report the measurement of the mass, w…

hep-ex2023★ 8 cited

Search for lepton-flavor-violating $τ$ decays into a lepton and a vector meson using the full Belle data sample

Belle Collaboration, N. Tsuzuki, K. Inami +180

Charged-lepton-flavor-violation is predicted in several new physics scenarios. We update the analysis of $τ$ lepton decays into a light charged lepton ( $ℓ$ = $e^{\pm}$ or $μ^{\p…

hep-ex2022★ 22 cited

Search for Lepton-Flavor-Violating $τ$ Decays to a Lepton and an Invisible Boson at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +398

We search for lepton-flavor-violating $τ^{-} \to e^{-} α$ and $τ^{-} \to μ^{-} α$ decays, where $α$ is an invisible spin-0 boson. The search uses electron-positron collisions at $10.58$ GeV cen…

hep-ex2022★ 14 cited

Study of $e^{+} e^{-} \to Σ^{0} Σ^{0}$ and $Σ^{+} Σ^{-}$ by Initial State Radiation Method at Belle

Belle Collaboration, G. Gong, L. K. Li +195

The processes $e^{+} e^{-} \to Σ^{0} Σ^{0}$ and $e^{+} e^{-} \to Σ^{+} Σ^{-}$ are studied using initial-state-radiation events in a sample of 980 $\,\mbox{fb}^{-1…

hep-ex2022

Measurement of the branching fractions and $C P$ asymmetries of $B^{+} \to π^{+} π^{0}$ and $B^{+} \to K^{+} π^{0}$ decays in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +582

We determine the branching fractions $B$ and $C P$ asymmetries $A_{CP}$ of the decays $B^{+} \to π^{+} π^{0}$ and $B^{+} \to K^{+} π^{0}$ . The result…

hep-ex2022★ 1 cited

Measurement of the branching fraction and search for $C P$ violation in $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ decays at Belle

Aman Sangal

We measure the branching fraction for the Singly Cabibbo-suppressed decay $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ , and we search for $C P$ violation via a measurement of the $C P$ asym…

hep-ex2022★ 20 cited

Search for $C P$ violation and measurement of branching fractions and decay asymmetry parameters for $Λ_{c}^{+} \to Λ h^{+}$ and $Λ_{c}^{+} \to Σ^{0} h^{+}$ ( $h = K, π$ )

Belle Collaboration, L. K. Li, W. Shan +187

We report a study of $Λ_{c}^{+} \to Λ h^{+}$ and $Λ_{c}^{+} \to Σ^{0} h^{+}$ ( $h = K, π$ ) decays based on a data sample of 980~ $fb^{- 1}$ collected with the Belle detector at the KEKB energ…

hep-ex2022★ 1 cited

Measurement of the branching fraction and search for CP violation in $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ decays at Belle

The Belle Collaboration

We measure the branching fraction for the Cabibbo-suppressed decay $D^{0} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ and search for $C P$ violation via a measurement of the $C P$ asymmetry $A_{\…

hep-ex2021★ 7 cited

Measurement of branching fractions and $C P$ asymmetries for $D_{s}^{+} \to K^{+} (η, π^{0})$ and $D_{s}^{+} \to π^{+} (η, π^{0})$ decays at Belle

Belle Collaboration, Y. Guan, A. J. Schwartz +200

We report measurements of the branching fractions and $C P$ asymmetries for $D_{s}^{+} \to K^{+} η$ , $D_{s}^{+} \to K^{+} π^{0}$ , and $D_{s}^{+} \to π^{+} η$ decays…

hep-ex2021★ 2 cited

Search for $B_{s}^{0} \to η^{'} X_{s s ˉ}$ at Belle using a semi-inclusive method

Belle Collaboration, S. Dubey, T. E. Browder +171

We report the first search for the penguin-dominated process $B_{s}^{0} \to η^{'} X_{s s ˉ}$ using a semi-inclusive method. A 121.4 $fb^{- 1}$ integrated lu…

hep-ex2018★ 11 cited

First evidence for $cos 2 β > 0$ and resolution of the CKM Unitarity Triangle ambiguity by a time-dependent Dalitz plot analysis of $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays

The BaBar, Belle Collaborations, : +422

We present first evidence that the cosine of the CP-violating weak phase $2 β$ is positive, and hence exclude trigonometric multifold solutions of the CKM Unitarity Triangle using a…

hep-ex2016★ 4 cited

Observation of Transverse $Λ/ Λ ˉ$ Hyperon Polarization in $e^{+} e^{-}$ Annihilation at Belle

The Belle Collaboration, A. Abdesselam, I. Adachi +445

We report the first observation of the polarization of $Λ/ Λ ˉ$ hyperons transverse to its production plane in $e^{+} e^{-}$ annihilation. We observe a significant polarization that ri…

hep-ex2015★ 26 cited

Measurement of D0-D0bar mixing and search for CP violation in D0 -> K+K-, pi+pi- decays with the full Belle data set

Belle Collaboration

We report an improved measurement of D0-D0bar mixing and a search for CP violation in D0 decays to CP-even final states K+K- and pi+pi-. The measurement is based on the final Belle…

hep-ex2014★ 427 cited

The Physics of the B Factories

A. J. Bevan, B. Golob, Th. Mannel +2003

This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…

Determination of ∣Vcb​∣ using B0→D∗+ℓ−νˉℓ​ decays with Belle II

Measurement of the e+e−→Bs0​Bˉs0​X cross section in the energy range from 10.63 to 11.02 GeV using inclusive Ds±​ and D0 production

Measurement of CP violation in B0→KS0​π0 decays at Belle II

Measurement of the mass and width of the Λc​(2625)+ and the branching ratios of Λc​(2625)+→Σc0​π+ and Λc​(2625)+→Σc++​π−

Search for lepton-flavor-violating τ decays into a lepton and a vector meson using the full Belle data sample

Search for Lepton-Flavor-Violating τ Decays to a Lepton and an Invisible Boson at Belle II

Study of e+e−→Σ0Σ0 and Σ+Σ− by Initial State Radiation Method at Belle

Measurement of the branching fractions and CP asymmetries of B+→π+π0 and B+→K+π0 decays in 2019-2021 Belle II data

Measurement of the branching fraction and search for CP violation in D0→KS0​KS0​π+π− decays at Belle

Search for CP violation and measurement of branching fractions and decay asymmetry parameters for Λc+​→Λh+ and Λc+​→Σ0h+ (h=K,π)