J. Kumar

activity

20122026

most citedLong-range angular correlations on the near and away side in p-Pb collisions at

s_{NN}

= 5.02 TeV

742 citations · 7.1k across the 71 of their papers we have counts for

collaborators

Showing hep-exShow all

19 papers · 1 filter

hep-ex2026

Searches for charged-lepton-flavor violation in $χ_{b J} (1 P)$ decays

Belle, Belle II Collaborations, : +415

We report the first searches for charged-lepton-flavor violation in decays of $χ_{b J} (1 P)$ ( $J = 0, 1,$ and $2$ ) to a pair of charged leptons using 158 million $Υ (2 S)$ decays collect…

hep-ex2025

Model-agnostic likelihood for the reinterpretation of the $B^{+} \to K^{+} ν ν ˉ$ measurement at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +374

We recently measured the branching fraction of the $B^{+} \to K^{+} ν ν ˉ$ decay using 362fb $^{- 1}$ of on-resonance $e^{+} e^{-}$ collision data under the assumption of Standard…

hep-ex2024★ 2 cited

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

Belle II Collaboration, I. Adachi, L. Aggarwal +436

We report measurements of time-dependent $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays based on a data sample of $(388 \pm 6) \times 1 0^{6}$ $B B ˉ$ events collected at the $Υ (4 S)$ …

hep-ex2024★ 2 cited

Measurement of the branching fractions of $B ˉ \to D^{()} K^{-} K_{(S)}^{() 0}$ and $B ˉ \to D^{(*)} D_{s}^{-}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +404

We present measurements of the branching fractions of eight $B^{0} \to D^{(*) +} K^{-} K_{(S)}^{(*) 0}$ , $B^{-} \to D^{(*) 0} K^{-} K_{(S)}^{(*) 0}$ decay channels. The results are…

hep-ex2024★ 4 cited

Search for the decay $B^{0} \to γ γ$ using Belle and Belle II data

Belle, Belle II Collaborations, : +407

We report the result of a search for the rare decay $B^{0} \to γ γ$ using a combined dataset of $753 \times 1 0^{6}$ $B B ˉ$ pairs collected by the Belle experiment and $387\times10…

hep-ex2024★ 8 cited

Measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range 0.62-3.50 GeV at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +360

We report a measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range from 0.62 to 3.50 GeV using an initial-state radiation technique. We use an $e^{+} e^{-}$ data sa…

hep-ex2024

Measurement of $C P$ asymmetries in $B^{0} \to η^{'} K_{s}^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +399

We describe a measurement of charge-parity ( $C P$ ) violation asymmetries in $B^{0} \to η^{'} K_{S}^{0}$ decays using Belle II data. We consider $η^{'} \to η (\to γ γ) π^{+} π^{-}$ and $η^{'} \to ρ (\to π^{+} π^{-}) γ$ de…

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★ 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-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★ 1 cited

Reconstruction of $B \to ρ ℓ ν_{ℓ}$ decays identified using hadronic decays of the recoil $B$ meson in 2019 -- 2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +580

We present results on the semileptonic decays $B^{0} \to ρ^{-} ℓ^{+} ν_{ℓ}$ and $B^{+} \to ρ^{0} ℓ^{+} ν_{ℓ}$ in a sample corresponding to 189.9/fb of Belle II data at the SuperKEKB $e…

hep-ex2022

Measurement of decay-time dependent $C P$ violation in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ using 2019--2021 Belle II data

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

We report a measurement of decay-time dependent $C P$ -violating parameters in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ decays. We use $(198.0 \pm 3.0) \times 1 0^{6} B B$ pairs c…

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-ex2018★ 19 cited

Dielectron production in proton-proton collisions at $s$ = 7 TeV

ALICE Collaboration

The first measurement of e $^{+}$ e $^{-}$ pair production at mid-rapidity ( $∣ η_{e} ∣$ $<$ 0.8) in pp collisions at $s = 7$ TeV with ALICE at the LHC is presented. The dielectro…

hep-ex2015★ 46 cited

Inclusive quarkonium production at forward rapidity in pp collisions at $s = 8$ TeV

ALICE Collaboration

We report on the inclusive production cross sections of J/ $ψ$ , $ψ$ (2S), $Υ$ (1S), $Υ$ (2S) and $Υ$ (3S), measured at forward rapidity with the ALICE detector in pp collisions at a cen…

hep-ex2012★ 40 cited

Charged kaon femtoscopic correlations in pp collisions at $s = 7$ TeV

ALICE Collaboration

Correlations of two charged identical kaons ( $K^{ch} K^{ch}$ ) are measured in pp collisions at $s = 7$ ~TeV by the ALICE experiment at the Large Hadron Colli…

hep-ex2012★ 250 cited

Measurement of inelastic, single- and double-diffraction cross sections in proton-proton collisions at the LHC with ALICE

ALICE Collaboration

Measurements of cross sections of inelastic and diffractive processes in proton--proton collisions at LHC energies were carried out with the ALICE detector. The fractions of diffra…

hep-ex2012★ 225 cited

Pion, kaon, and proton production in central Pb-Pb Collisions at $s_{N N} = 2.76$ TeV

ALICE Collaboration

In this Letter we report the first results on $π^{\pm}$ , K $^{\pm}$ , p and $p p$ production at mid-rapidity ( $∣ y ∣ < 0.5$ ) in central Pb-Pb collisions at $\s…

hep-ex2012★ 96 cited

Measurement of prompt J/psi and beauty hadron production cross sections at mid-rapidity in pp collisions at sqrt(s) = 7 TeV

The ALICE Collaboration

The ALICE experiment at the LHC has studied J/psi production at mid-rapidity in pp collisions at sqrt{s}=7 TeV through its electron pair decay on a data sample corresponding to an…

Searches for charged-lepton-flavor violation in χbJ​(1P) decays

Model-agnostic likelihood for the reinterpretation of the B+→K+ννˉ measurement at Belle II

Measurement of CP asymmetries in B0→KS0​π0γ decays at Belle II

Measurement of the branching fractions of Bˉ→D(∗)K−K(S)(∗)0​ and Bˉ→D(∗)Ds−​ decays at Belle II

Search for the decay B0→γγ using Belle and Belle II data

Measurement of the e+e−→π+π−π0 cross section in the energy range 0.62-3.50 GeV at Belle II

Measurement of CP asymmetries in B0→η′Ks0​ decays at Belle II

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

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

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

Reconstruction of B→ρℓνℓ​ decays identified using hadronic decays of the recoil B meson in 2019 -- 2021 Belle II data

Measurement of decay-time dependent CP violation in B0→KS0​KS0​KS0​ using 2019--2021 Belle II data

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

Dielectron production in proton-proton collisions at s​ = 7 TeV

Inclusive quarkonium production at forward rapidity in pp collisions at s​=8 TeV

Charged kaon femtoscopic correlations in pp collisions at s​=7 TeV

Measurement of inelastic, single- and double-diffraction cross sections in proton-proton collisions at the LHC with ALICE

Pion, kaon, and proton production in central Pb-Pb Collisions at sNN​​=2.76 TeV

Measurement of prompt J/psi and beauty hadron production cross sections at mid-rapidity in pp collisions at sqrt(s) = 7 TeV

Searches for charged-lepton-flavor violation in $χ_{b J} (1 P)$ decays

Model-agnostic likelihood for the reinterpretation of the $B^{+} \to K^{+} ν ν ˉ$ measurement at Belle II

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

Measurement of the branching fractions of $B ˉ \to D^{()} K^{-} K_{(S)}^{() 0}$ and $B ˉ \to D^{(*)} D_{s}^{-}$ decays at Belle II

Search for the decay $B^{0} \to γ γ$ using Belle and Belle II data

Measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range 0.62-3.50 GeV at Belle II

Measurement of $C P$ asymmetries in $B^{0} \to η^{'} K_{s}^{0}$ decays at Belle II

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

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

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

Reconstruction of $B \to ρ ℓ ν_{ℓ}$ decays identified using hadronic decays of the recoil $B$ meson in 2019 -- 2021 Belle II data

Measurement of decay-time dependent $C P$ violation in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ using 2019--2021 Belle II data

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

Dielectron production in proton-proton collisions at $s$ = 7 TeV

Inclusive quarkonium production at forward rapidity in pp collisions at $s = 8$ TeV

Charged kaon femtoscopic correlations in pp collisions at $s = 7$ TeV

Pion, kaon, and proton production in central Pb-Pb Collisions at $s_{N N} = 2.76$ TeV