M. Takahashi

activity

20082026

most citedObservation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC

10.1k citations · 19.7k across the 119 of their papers we have counts for

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116 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

Measurement of the $C P$ asymmetry in $D^{0} \to π^{+} π^{-} π^{0}$ decays at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +400

We measure the time- and phase-space-integrated $C P$ asymmetry $A_{C P}$ in $D^{0} \to π^{+} π^{-} π^{0}$ decays reconstructed in $e^{+} e^{-} \to c c ˉ$ events collected by the Belle II experiment…

hep-ex2025

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

Belle, Belle II Collaborations, : +350

We present a measurement of the time-dependent $C P$ asymmetry in $B^{0} \to K_{S}^{0} π^{+} π^{-} γ$ decays using a data set of 365 fb $^{- 1}$ recorded by the Belle II experiment…

hep-ex2025

Measurements of the branching fractions of $Ξ_{c}^{+} \to Σ^{+} K_{S}^{0}$ , $Ξ_{c}^{+} \to Ξ^{0} π^{+}$ , and $Ξ_{c}^{+} \to Ξ^{0} K^{+}$ at Belle and Belle II

Belle, Belle II Collaborations, : +357

Using 983.0 $fb^{- 1}$ and 427.9 $fb^{- 1}$ data samples collected with the Belle and Belle II detectors at the KEKB and SuperKEKB asymmetric energy $e^{+} e^{-}$ colliders, res…

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★ 24 cited

Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experiment

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

A series of data samples was collected with the Belle~II detector at the SuperKEKB collider from March 2019 to June 2022. We determine the integrated luminosities of these data sam…

hep-ex2024★ 6 cited

Measurements of the branching fractions of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$ , $Ξ_{c}^{0} \to Ξ^{0} η$ , and $Ξ_{c}^{0} \to Ξ^{0} η^{'}$ and asymmetry parameter of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$

Belle, Belle II Collaborations, : +382

We present a study of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$ , $Ξ_{c}^{0} \to Ξ^{0} η$ , and $Ξ_{c}^{0} \to Ξ^{0} η^{'}$ decays using the Belle and Belle~II data samples, which have integrated lumi…

hep-ex2024★ 2 cited

Measurement of the branching fraction of the decay $B^{-} \to D^{0} ρ (770)^{-}$ at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +389

We measure the branching fraction of the decay $B^{-} \to D^{0} ρ (770)^{-}$ using data collected with the Belle II detector. The data contain 387 million $B B$ pairs produced i…

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★ 2 cited

Measurement of $C P$ asymmetries in $B^{0} \to ϕ K_{S}^{0}$ decays with Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +432

We present a measurement of time-dependent rate asymmetries in $B^{0} \to ϕ K_{S}^{0}$ decays to search for non-standard-model physics in $b \to q q s$ transitions. The data sampl…

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★ 2 cited

Angular analysis of $B^{+} \to ρ^{+} ρ^{0}$ decays reconstructed in 2019, 2020, and 2021 Belle II data

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

We report on a Belle II measurement of the branching fraction ( $B$ ), longitudinal polarization fraction ( $f_{L}$ ), and CP asymmetry ( $A_{C P}$ ) of $B^{+} \to ρ^{+} ρ^{0}$ …

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-ex2016★ 34 cited

Search for top quark decays via Higgs-boson-mediated flavor-changing neutral currents in pp collisions at sqrt(s) = 8 TeV

CMS Collaboration

A search is performed for Higgs-boson-mediated flavor-changing neutral currents in the decays of top quarks. The search is based on proton-proton collision data corresponding to an…

hep-ex2016★ 69 cited

Search for anomalous Wtb couplings and flavour-changing neutral currents in t-channel single top quark production in pp collisions at sqrt(s) = 7 and 8 TeV

CMS Collaboration

Single top quark events produced in the t channel are used to set limits on anomalous Wtb couplings and to search for top quark flavour-changing neutral current (FCNC) interactions…

hep-ex2016★ 642 cited

Jet energy scale and resolution in the CMS experiment in pp collisions at 8 TeV

CMS Collaboration

Improved jet energy scale corrections, based on a data sample corresponding to an integrated luminosity of 19.7 inverse-femtobarns collected by the CMS experiment in proton-proton…

hep-ex2016★ 66 cited

Search for lepton flavour violating decays of the Higgs boson to e tau and e mu in proton-proton collisions at sqrt(s) = 8 TeV

CMS Collaboration

A direct search for lepton flavour violating decays of the Higgs boson (H) in the H to e tau and H to e mu channels is described. The data sample used in the search was collected i…

hep-ex2015★ 69 cited

Measurement of diffraction dissociation cross sections in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

Measurements of diffractive dissociation cross sections in pp collisions at sqrt(s) = 7 TeV are presented in kinematic regions defined by the masses M[X] and M[Y] of the two final-…

hep-ex2015★ 10 cited

Distributions of topological observables in inclusive three- and four-jet events in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

This paper presents distributions of topological observables in inclusive three- and four-jet events produced in pp collisions at a centre-of-mass energy of 7 TeV with a data sampl…

hep-ex2014★ 743 cited

Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV

CMS Collaboration

Properties of the Higgs boson with mass near 125 GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measure…

hep-ex2014★ 140 cited

Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets

CMS Collaboration

A study of vector boson scattering in pp collisions at a center-of-mass energy of 8 TeV is presented. The data sample corresponds to an integrated luminosity of 19.4 inverse femtob…

hep-ex2014★ 43 cited

Measurement of electroweak production of two jets in association with a Z boson in proton-proton collisions at sqrt(s)= 8 TeV

CMS Collaboration

The purely electroweak (EW) cross section for the production of two jets in association with a Z boson, in proton-proton collisions at sqrt(s) = 8 TeV, is measured using data recor…

hep-ex2014★ 47 cited

Search for monotop signatures in proton-proton collisions at sqrt(s) = 8 TeV

CMS Collaboration

Results are presented from a search for new decaying massive particles whose presence is inferred from an imbalance in transverse momentum and which are produced in association wit…

hep-ex2014★ 84 cited

Search for pair production of third-generation scalar leptoquarks and top squarks in proton-proton collisions at sqrt(s) = 8 TeV

CMS Collaboration

A search for pair production of third-generation scalar leptoquarks and supersymmetric top quark partners, top squarks, in final states involving tau leptons and bottom quarks is p…

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

Measurement of the CP asymmetry in D0→π+π−π0 decays at Belle II

Measurement of time-dependent CP asymmetries in B0→KS0​π+π−γ decays at Belle and Belle II

Measurements of the branching fractions of Ξc+​→Σ+KS0​, Ξc+​→Ξ0π+, and Ξc+​→Ξ0K+ at Belle and Belle II

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

Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experiment

Measurements of the branching fractions of Ξc0​→Ξ0π0, Ξc0​→Ξ0η, and Ξc0​→Ξ0η′ and asymmetry parameter of Ξc0​→Ξ0π0

Measurement of the branching fraction of the decay B−→D0ρ(770)− at Belle II

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

Measurement of CP asymmetries in B0→ϕKS0​ decays with Belle II

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

Angular analysis of B+→ρ+ρ0 decays reconstructed in 2019, 2020, and 2021 Belle II data

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

Search for top quark decays via Higgs-boson-mediated flavor-changing neutral currents in pp collisions at sqrt(s) = 8 TeV

Search for anomalous Wtb couplings and flavour-changing neutral currents in t-channel single top quark production in pp collisions at sqrt(s) = 7 and 8 TeV

Jet energy scale and resolution in the CMS experiment in pp collisions at 8 TeV

Search for lepton flavour violating decays of the Higgs boson to e tau and e mu in proton-proton collisions at sqrt(s) = 8 TeV

Measurement of diffraction dissociation cross sections in pp collisions at sqrt(s) = 7 TeV

Distributions of topological observables in inclusive three- and four-jet events in pp collisions at sqrt(s) = 7 TeV

Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV

Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets

Measurement of electroweak production of two jets in association with a Z boson in proton-proton collisions at sqrt(s)= 8 TeV

Search for monotop signatures in proton-proton collisions at sqrt(s) = 8 TeV

Search for pair production of third-generation scalar leptoquarks and top squarks in proton-proton collisions at sqrt(s) = 8 TeV

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

Measurement of the $C P$ asymmetry in $D^{0} \to π^{+} π^{-} π^{0}$ decays at Belle II

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

Measurements of the branching fractions of $Ξ_{c}^{+} \to Σ^{+} K_{S}^{0}$ , $Ξ_{c}^{+} \to Ξ^{0} π^{+}$ , and $Ξ_{c}^{+} \to Ξ^{0} K^{+}$ at Belle and Belle II

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

Measurements of the branching fractions of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$ , $Ξ_{c}^{0} \to Ξ^{0} η$ , and $Ξ_{c}^{0} \to Ξ^{0} η^{'}$ and asymmetry parameter of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$

Measurement of the branching fraction of the decay $B^{-} \to D^{0} ρ (770)^{-}$ at Belle II

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

Measurement of $C P$ asymmetries in $B^{0} \to ϕ K_{S}^{0}$ decays with Belle II

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

Angular analysis of $B^{+} \to ρ^{+} ρ^{0}$ decays reconstructed in 2019, 2020, and 2021 Belle II data

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