Sw. Banerjee

activity

20012024

most citedDark Matter Benchmark Models for Early LHC Run-2 Searches: Report of the ATLAS/CMS Dark Matter Forum

411 citations · 2.1k across the 44 of their papers we have counts for

collaborators

49 papers

hep-ex2024★ 8 cited

Search for lepton-flavor-violating $τ^{-} \to μ^{-} μ^{+} μ^{-}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +429

We present the result of a search for the charged-lepton-flavor violating decay $τ^{-} \to μ^{-} μ^{+} μ^{-}$ using a $424 f b^{- 1}$ sample of data recorded by the Belle II experiment at the S…

hep-ex2024

Determination of the CKM angle $ϕ_{3}$ from a combination of Belle and Belle II results

Belle, Belle II Collaborations, : +399

We report a determination of the CKM angle $ϕ_{3}$ , also known as $γ$ , from a combination of measurements using samples of up to 711~fb $^{- 1}$ from the Belle experiment and up to 3…

hep-ex2024

Angular analysis of $B \to K^{*} e^{+} e^{-}$ in the low- $q^{2}$ region with new electron identification at Belle

Belle Collaboration, D. Ferlewicz, P. Urquijo +167

We perform an angular analysis of the $B \to K^{*} e^{+} e^{-}$ decay for the dielectron mass squared, $q^{2}$ , range of $0.0008$ to $1.1200 GeV^{2} / c^{4}$ using the full Belle data se…

hep-ex2024★ 13 cited

New graph-neural-network flavor tagger for Belle II and measurement of $sin 2 ϕ_{1}$ in $B^{0} \to J / ψ K_{S}^{0}$ decays

Belle II Collaboration, I. Adachi, L. Aggarwal +413

We present GFlaT, a new algorithm that uses a graph-neural-network to determine the flavor of neutral $B$ mesons produced in $Υ (4 S)$ decays. It improves previous algorithms by usin…

hep-ex2024

Search for Baryon-Number-Violating Processes in $B^{-}$ Decays to the $Ξ ˉ_{c}^{0} Λ ˉ_{c}^{-}$ Final State

Belle Collaboration, T. Gu, V. Savinov +161

We report the results of the first search for $B^{-}$ decays to the $Ξ ˉ_{c}^{0} Λ ˉ_{c}^{-}$ final state using 711~ $f b^{- 1}$ of data collected at the $Υ (4 S)$ resonance wit…

hep-ex2024

Measurements of the branching fraction, polarization, and $C P$ asymmetry for the decay $B^{0} \to ω ω$

Belle Collaboration, Y. Guan, A. J. Schwartz +167

We present a measurement of $B^{0} \to ω ω$ , a charmless decay into two vector mesons, using 772 $\times 1 0^{6}$ $B B$ pairs collected with the Belle detector at the…

hep-ex2024

A test of lepton flavor universality with a measurement of $R (D^{*})$ using hadronic $B$ tagging at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +434

The ratio of branching fractions $R (D^{*}) = B (B \to D^{*} τ^{-} ν_{τ})$ /$\mathcal{B} (\overline{B} \rightarrow D^{*} \ell^{-} \overlineν_{\ell}…

hep-ex2024

Study of $Υ (10753)$ decays to $π^{+} π^{-} Υ (n S)$ final states at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +393

We present an analysis of the process $e^{+} e^{-} \to π^{+} π^{-} Υ (n S)$ (where $n$ = 1, 2, or 3) reconstructed in $19.6$ $f b^{- 1}$ of Belle II data during a special run of the…

hep-ex2023

Search for the $e^{+} e^{-} \to η_{b} (1 S) ω$ and $e^{+} e^{-} \to χ_{b 0} (1 P) ω$ processes at $s = 10.745 GeV$

Belle II Collaboration, I. Adachi, L. Aggarwal +419

We search for the $e^{+} e^{-} \to η_{b} (1 S) ω$ and $e^{+} e^{-} \to χ_{b 0} (1 P) ω$ processes at a center-of-mass energy of 10.745 GeV, which is close to the peak of the $Υ (10753)$ state. We use data…

hep-ex2023

Search for the semileptonic decays $Ξ_{c}^{0} \to Ξ^{0} ℓ^{+} ℓ^{-}$ at Belle

Belle Collaboration, J. X. Cui, Y. B. Li +163

Using the full data sample of 980 $fb^{- 1}$ collected with the Belle detector at the KEKB asymmetric energy electron-positron collider, we report the results of the first…

hep-ex2023★ 90 cited

Evidence for $B^{+} \to K^{+} ν ν ˉ$ decays

Belle II Collaboration, I. Adachi, K. Adamczyk +452

We search for the rare decay $B^{+} \to K^{+} ν ν ˉ$ in a $362 fb^{- 1}$ sample of electron-positron collisions at the $Υ (4 S)$ resonance collected with the Belle II det…

hep-ex2023

Search for charged-lepton flavor violation in $Υ (2 S) \to ℓ^{\mp} τ^{\pm}$ ( $ℓ = e, μ$ ) decays at Belle

R. Dhamija, S. Nishida, A. Giri +178

We report a search for the charged-lepton flavor violation in $Υ (2 S) \to ℓ^{\mp} τ^{\pm}$ ( $ℓ = e, μ$ ) decays using a $25~\fbi$ $Υ (2 S)$ sample collected by the Belle detector at the…

hep-ex2023★ 2 cited

Search for quantum black hole production in lepton+jet final states using proton-proton collisions at $s$ = 13 TeV with the ATLAS detector

ATLAS Collaboration

A search for quantum black holes in electron+jet and muon+jet invariant mass spectra is performed with 140 fb $^{- 1}$ of data collected by the ATLAS detector in proton-proton collis…

hep-ph2022★ 3 cited

Report of the Topical Group on Electroweak Precision Physics and Constraining New Physics for Snowmass 2021

Alberto Belloni, Ayres Freitas, Junping Tian +65

The precise measurement of physics observables and the test of their consistency within the standard model (SM) are an invaluable approach, complemented by direct searches for new…

hep-ex2022★ 2 cited

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to ρ^{+} ρ^{-}$ Decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +584

We present a measurement of the branching fraction and longitudinal polarization of $B^{0} \to ρ^{+} ρ^{-}$ decays. SuperKEKB electron-positron collision data corresponding to 189~fb$^{-…

hep-ex2022

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / ψ K$ decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +591

We report a study of $B \to J / ψ (ℓ^{+} ℓ^{-}) K$ decays, where $ℓ$ represents an electron or a muon, using $e^{+} e^{-}$ collisions at the $Υ (4 S)$ resonance. The data were col…

hep-ex2022★ 22 cited

Snowmass White Paper: Belle II physics reach and plans for the next decade and beyond

Latika Aggarwal, Swagato Banerjee, Sunil Bansal +74

Belle II is an experiment operating at the intensity frontier. Over the next decades, it will record the decay of billions of bottom mesons, charm hadrons, and tau leptons produced…

hep-ex2022★ 19 cited

Search for a dark photon and an invisible dark Higgs boson in $μ^{+} μ^{-}$ and missing energy final states with the Belle II experiment

Belle II Collaboration, F. Abudinén, I. Adachi +357

The dark photon $A^{'}$ and the dark Higgs boson $h^{'}$ are hypothetical particles predicted in many dark sector models. We search for the simultaneous production of $A^\pri…

hep-ex2022★ 1 cited

First decay-time-dependent analysis of $B^{0} \to K_{S}^{0} π^{0}$ at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +590

We report measurements of the branching fraction ( $B$ ) and direct $C P$ -violating asymmetry ( $A_{C P}$ ) of the charmless decay $B^{0} \to K^{0} π^{0}$ at Belle II. A sample of…

hep-ex2022★ 9 cited

Measurement of the $Λ_{c}^{+}$ lifetime

Belle II Collaboration, F. Abudinén, L. Aggarwal +360

An absolute measurement of the $Λ_{c}^{+}$ lifetime is reported using $Λ_{c}^{+} \to p K^{-} π^{+}$ decays in events reconstructed from data collected by the Belle II experiment at the…

hep-ex2022★ 1 cited

Study of Exclusive $B \to π e^{+} ν_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

Belle II Collaboration, F. Abudinén, I. Adachi +590

We present a reconstruction of the semileptonic decays $B^{0} \to π^{-} e^{+} ν_{e}$ and $B^{+} \to π^{0} e^{+} ν_{e}$ in a sample corresponding to 189.3 fb $^{- 1}$ of Belle II data, using events w…

hep-ex2022★ 348 cited

Averages of $b$ -hadron, $c$ -hadron, and $τ$ -lepton properties as of 2021

HFLAV Collaboration, Y. Amhis, Sw. Banerjee +39

This paper reports world averages of measurements of $b$ -hadron, $c$ -hadron, and $τ$ -lepton properties obtained by the Heavy Flavour Averaging Group using results available before…

hep-ex2022★ 4 cited

Measurement of the branching fraction for the decay $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +590

We report a measurement of the branching fraction of $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ decays, where $ℓ^{+} ℓ^{-} = μ^{+} μ^{-}$ or $e^{+} e^{-}$ , using electron-positron collisions recorde…

hep-ex2022★ 1 cited

Belle II Executive Summary

D. M. Asner, H. Atmacan, Sw. Banerjee +78

Belle II is a Super $B$ Factory experiment, expected to record 50 ab $^{- 1}$ of $e^{+} e^{-}$ collisions at the SuperKEKB accelerator until 2035. The large samples of $B$ mesons, charm h…

Search for lepton-flavor-violating τ−→μ−μ+μ− decays at Belle II

Determination of the CKM angle ϕ3​ from a combination of Belle and Belle II results

Angular analysis of B→K∗e+e− in the low-q2 region with new electron identification at Belle

New graph-neural-network flavor tagger for Belle II and measurement of sin2ϕ1​ in B0→J/ψKS0​ decays

Search for Baryon-Number-Violating Processes in B− Decays to the Ξˉc0​Λˉc−​ Final State

Measurements of the branching fraction, polarization, and CP asymmetry for the decay B0→ωω

A test of lepton flavor universality with a measurement of R(D∗) using hadronic B tagging at the Belle II experiment

Study of Υ(10753) decays to π+π−Υ(nS) final states at Belle II

Search for the e+e−→ηb​(1S)ω and e+e−→χb0​(1P)ω processes at s​=10.745GeV

Search for the semileptonic decays Ξc0​→Ξ0ℓ+ℓ− at Belle

Evidence for B+→K+ννˉ decays

Search for charged-lepton flavor violation in Υ(2S)→ℓ∓τ± (ℓ=e,μ) decays at Belle

Search for quantum black hole production in lepton+jet final states using proton-proton collisions at s​ = 13 TeV with the ATLAS detector

Report of the Topical Group on Electroweak Precision Physics and Constraining New Physics for Snowmass 2021

Measurement of Branching Fraction and Longitudinal Polarization in B0→ρ+ρ− Decays at Belle II

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in B→J/ψK decays at Belle II

Snowmass White Paper: Belle II physics reach and plans for the next decade and beyond

Search for a dark photon and an invisible dark Higgs boson in μ+μ− and missing energy final states with the Belle II experiment

First decay-time-dependent analysis of B0→KS0​π0 at Belle II

Measurement of the Λc+​ lifetime

Study of Exclusive B→πe+νe​ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb−1 of Belle II Data

Averages of b-hadron, c-hadron, and τ-lepton properties as of 2021

Measurement of the branching fraction for the decay B→K∗(892)ℓ+ℓ− at Belle II

Belle II Executive Summary

Search for lepton-flavor-violating $τ^{-} \to μ^{-} μ^{+} μ^{-}$ decays at Belle II

Determination of the CKM angle $ϕ_{3}$ from a combination of Belle and Belle II results

Angular analysis of $B \to K^{*} e^{+} e^{-}$ in the low- $q^{2}$ region with new electron identification at Belle

New graph-neural-network flavor tagger for Belle II and measurement of $sin 2 ϕ_{1}$ in $B^{0} \to J / ψ K_{S}^{0}$ decays

Search for Baryon-Number-Violating Processes in $B^{-}$ Decays to the $Ξ ˉ_{c}^{0} Λ ˉ_{c}^{-}$ Final State

Measurements of the branching fraction, polarization, and $C P$ asymmetry for the decay $B^{0} \to ω ω$

A test of lepton flavor universality with a measurement of $R (D^{*})$ using hadronic $B$ tagging at the Belle II experiment

Study of $Υ (10753)$ decays to $π^{+} π^{-} Υ (n S)$ final states at Belle II

Search for the $e^{+} e^{-} \to η_{b} (1 S) ω$ and $e^{+} e^{-} \to χ_{b 0} (1 P) ω$ processes at $s = 10.745 GeV$

Search for the semileptonic decays $Ξ_{c}^{0} \to Ξ^{0} ℓ^{+} ℓ^{-}$ at Belle

Evidence for $B^{+} \to K^{+} ν ν ˉ$ decays

Search for charged-lepton flavor violation in $Υ (2 S) \to ℓ^{\mp} τ^{\pm}$ ( $ℓ = e, μ$ ) decays at Belle

Search for quantum black hole production in lepton+jet final states using proton-proton collisions at $s$ = 13 TeV with the ATLAS detector

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to ρ^{+} ρ^{-}$ Decays at Belle II

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / ψ K$ decays at Belle II

Search for a dark photon and an invisible dark Higgs boson in $μ^{+} μ^{-}$ and missing energy final states with the Belle II experiment

First decay-time-dependent analysis of $B^{0} \to K_{S}^{0} π^{0}$ at Belle II

Measurement of the $Λ_{c}^{+}$ lifetime

Study of Exclusive $B \to π e^{+} ν_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

Averages of $b$ -hadron, $c$ -hadron, and $τ$ -lepton properties as of 2021

Measurement of the branching fraction for the decay $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ at Belle II