M. Morii

activity

19972024

most citedObservation of a Broad Structure in the

π^{+} π^{-} J / ψ

Mass Spectrum around 4.26 GeV/

c^{2}

744 citations · 6.5k across the 107 of their papers we have counts for

collaborators

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96 papers · 1 filter

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-ex2020★ 44 cited

Search for displaced leptons in $s = 13$ TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

A search for charged leptons with large impact parameters using 139 fb $^{- 1}$ of $s = 13$ TeV $pp$ collision data from the ATLAS detector at the LHC is presented, addressing…

hep-ex2020★ 36 cited

Search for resonances decaying into a weak vector boson and a Higgs boson in the fully hadronic final state produced in proton $-$ proton collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for heavy resonances decaying into a $W$ or $Z$ boson and a Higgs boson produced in proton $-$ proton collisions at the Large Hadron Collider at $s = 13$ TeV is prese…

hep-ex2019★ 25 cited

Evidence for electroweak production of two jets in association with a $Z γ$ pair in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

Evidence for electroweak production of two jets in association with a $Z γ$ pair in $s = 13$ TeV proton $-$ proton collisions at the Large Hadron Collider is presented. The ana…

hep-ex2019★ 489 cited

Combined measurements of Higgs boson production and decay using up to $80$ fb $^{- 1}$ of proton-proton collision data at $s =$ 13 TeV collected with the ATLAS experiment

ATLAS Collaboration

Combined measurements of Higgs boson production cross sections and branching fractions are presented. The combination is based on the analyses of the Higgs boson decay modes $H \to…

hep-ex2019★ 298 cited

Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in $s = 13$ TeV $pp$ collisions using the ATLAS detector

ATLAS Collaboration

A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. The analysis is based on 139 fb $^{- 1}$ of pro…

hep-ex2019★ 52 cited

Search for heavy neutral Higgs bosons produced in association with $b$ -quarks and decaying into $b$ -quarks at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for heavy neutral Higgs bosons produced in association with one or two $b$ -quarks and decaying to $b$ -quark pairs is presented using 27.8 fb $^{- 1}$ of $s = 13$ TeV pr…

hep-ex2019★ 60 cited

Search for a right-handed gauge boson decaying into a high-momentum heavy neutrino and a charged lepton in $pp$ collisions with the ATLAS detector at $s = 13$ TeV

ATLAS Collaboration

A search for a right-handed gauge boson $W_{R}$ , decaying into a boosted right-handed heavy neutrino $N_{R}$ , in the framework of Left-Right Symmetric Models is p…

hep-ex2019★ 27 cited

Search for scalar resonances decaying into $μ^{+} μ^{-}$ in events with and without $b$ -tagged jets produced in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for a narrow scalar resonance decaying into an opposite-sign muon pair produced in events with and without $b$ -tagged jets is presented in this paper. The search uses 36.1…

hep-ex2019★ 94 cited

Measurement of the $t t ˉ Z$ and $t t ˉ W$ cross sections in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A measurement of the associated production of a top-quark pair ( $t t ˉ$ ) with a vector boson ( $W$ , $Z$ ) in proton-proton collisions at a center-of-mass energy of 13 TeV is prese…

hep-ex2018★ 7 cited

Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at $E_{beam}$ = 4 TeV

ATLAS Collaboration

Results of dedicated Monte Carlo simulations of beam-induced background (BIB) in the ATLAS experiment at the Large Hadron Collider (LHC) are presented and compared with data record…

hep-ex2018★ 90 cited

Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at $s$ =13 TeV with the ATLAS detector

ATLAS Collaboration

A search for electroweak production of supersymmetric particles is performed in two-lepton and three-lepton final states using recursive jigsaw reconstruction. The search uses data…

hep-ex2014★ 62 cited

Cross sections for the reactions $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0}$ , $K_{S}^{0} K_{L}^{0} π^{+} π^{-}$ , $K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ , and $K_{S}^{0} K_{S}^{0} K^{+} K^{-}$ from events with initial-state radiation

The BABAR Collaboration, J. P. Lees

We study the processes $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} γ$ , $K_{S}^{0} K_{L}^{0} π^{+} π^{-} γ$ , $K_{S}^{0} K_{S}^{0} π^{+} π^{-} γ$ , and $K_{S}^{0} K_{S}^{0} K^{+} K^{-} γ$ , where the photon is radiated from the initial state, pro…

hep-ex2014★ 19 cited

Antideuteron production in $Υ (n S)$ decays and in $e^{+} e^{-} \to q q$ at $s \approx 10.58 Ge V$

J. P. Lees

We present measurements of the inclusive production of antideuterons in $e^{+} e^{-}$ annihilation into hadrons at $\approx 10.58 Ge V$ center-of-mass energy and…

hep-ex2013★ 4 cited

Search for the decay $B^{0} \to Λ_{c}^{+} p p p$

The BABAR Collaboration

We report a search for the decay $B^{0} \to Λ_{c}^{+} p p p$ . Using a data sample of $471 \times 1 0^{6} B B$ pairs collect…

hep-ex2012★ 48 cited

Search for a Low-Mass Scalar Higgs Boson Decaying to a Tau Pair in Single-Photon Decays of Upsilon(1S)

J. P. Lees, others

We search for a low-mass scalar CP-odd Higgs boson, A0, produced in the radiative decay of the Upsilon resonance and decaying into a tau+tau- pair: Upsilon(1S)->gamma A0. The produ…

hep-ex2012★ 11 cited

Search for resonances decaying to eta_c pi+ pi- in two-photon interactions

The BABAR Collaboration, J. P. Lees, others

We report a study of the process gamma gamma -> X -> eta_c pi+ pi-, where X stands for one of the resonances chi_{c2}(1P), eta_c(2S), X(3872), X(3915), or chi_{c2}(2P). The analysi…

hep-ex2011★ 4 cited

Observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K-

The BABAR Collaboration, J. P. Lees, V. Poireau +384

We report the observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K- with a significance larger than 7 standard deviations based on 471x10^6$ BBbar pairs collected…

hep-ex2011★ 37 cited

Evidence for the h_b(1P) meson in the decay Upsilon(3S) --> pi0 h_b(1P)

The BABAR Collaboration, J. P. Lees, V. Poireau +406

Using a sample of 122 million Upsilon(3S) events recorded with the BaBar detector at the PEP-II asymmetric-energy e+e- collider at SLAC, we search for the $h_{b} (1 P)$ spin-singlet pa…

hep-ex2010★ 11 cited

Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B+ -> rho0 K+ and B+ -> f0(980)K+ decays

P. del Amo Sanchez

We present measurements of the branching fractions, longitudinal polarization, and direct CP-violation asymmetries for the decays B+ -> rho0 K*+ and B+ -> f0(980) K*+ with a sample…

hep-ex2010★ 53 cited

Search for the Rare Decay B->K nu nubar

The BABAR Collaboration, P. del Amo Sanchez

We present a search for the rare decays B+ -> K+ nu nubar and B0 -> K0 nu nubar using 459 million BBbar pairs collected with the BaBar detector at the SLAC National Accelerator Lab…

hep-ex2010★ 74 cited

Search for Production of Invisible Final States in Single-Photon Decays of Upsilon(1S)

P. del Amo Sanchez

We search for single-photon decays of the Upsilon(1S) resonance, Upsilon->gamma+invisible, where the invisible state is either a particle of definite mass, such as a light Higgs bo…

hep-ex2010★ 6 cited

Search for f_J(2220) in radiative J/psi decays

The BABAR Collaboration, P. del Amo Sanchez

We present a search for f_J(2220) production in radiative J/psi -> gamma f_J(2220) decays using 460 fb-1 of data collected with the BABAR detector at the SLAC PEP-II e+e- collider.…

hep-ex2010★ 2 cited

Correlated leading baryon-antibaryon production in e+e- --> ccbar --> Lambda_c+ antiLambda_c- X

The BABAR Collaboration, B. Aubert

We present a study of 649 \pm 35 e+e- --> ccbar events produced at sqrt{s}~10.6 GeV containing both a Lambda_c baryon and a Lambda_c antibaryon. The number observed is roughly four…

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

Search for displaced leptons in s​=13 TeV pp collisions with the ATLAS detector

Search for resonances decaying into a weak vector boson and a Higgs boson in the fully hadronic final state produced in proton−proton collisions at s​=13 TeV with the ATLAS detector

Evidence for electroweak production of two jets in association with a Zγ pair in pp collisions at s​=13 TeV with the ATLAS detector

Combined measurements of Higgs boson production and decay using up to 80 fb−1 of proton-proton collision data at s​= 13 TeV collected with the ATLAS experiment

Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in s​=13 TeV pp collisions using the ATLAS detector

Search for heavy neutral Higgs bosons produced in association with b-quarks and decaying into b-quarks at s​=13 TeV with the ATLAS detector

Search for a right-handed gauge boson decaying into a high-momentum heavy neutrino and a charged lepton in pp collisions with the ATLAS detector at s​=13 TeV

Search for scalar resonances decaying into μ+μ− in events with and without b-tagged jets produced in proton-proton collisions at s​=13 TeV with the ATLAS detector

Measurement of the ttˉZ and ttˉW cross sections in proton-proton collisions at s​=13 TeV with the ATLAS detector

Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at Ebeam​ = 4 TeV

Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at s​=13 TeV with the ATLAS detector

Cross sections for the reactions e+e−→KS0​KL0​, KS0​KL0​π+π−, KS0​KS0​π+π−, and KS0​KS0​K+K− from events with initial-state radiation

Antideuteron production in Υ(nS) decays and in e+e−→qq​ at s​≈10.58GeV

Search for the decay B0→Λc+​p​pp​

Search for a Low-Mass Scalar Higgs Boson Decaying to a Tau Pair in Single-Photon Decays of Upsilon(1S)

Search for resonances decaying to eta_c pi+ pi- in two-photon interactions

Observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K-

Evidence for the h_b(1P) meson in the decay Upsilon(3S) --> pi0 h_b(1P)

Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B+ -> rho0 K*+ and B+ -> f0(980)K*+ decays

Search for the Rare Decay B->K nu nubar

Search for Production of Invisible Final States in Single-Photon Decays of Upsilon(1S)

Search for f_J(2220) in radiative J/psi decays

Correlated leading baryon-antibaryon production in e+e- --> ccbar --> Lambda_c+ antiLambda_c- X

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

Search for displaced leptons in $s = 13$ TeV $pp$ collisions with the ATLAS detector

Search for resonances decaying into a weak vector boson and a Higgs boson in the fully hadronic final state produced in proton $-$ proton collisions at $s = 13$ TeV with the ATLAS detector

Evidence for electroweak production of two jets in association with a $Z γ$ pair in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Combined measurements of Higgs boson production and decay using up to $80$ fb $^{- 1}$ of proton-proton collision data at $s =$ 13 TeV collected with the ATLAS experiment

Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in $s = 13$ TeV $pp$ collisions using the ATLAS detector

Search for heavy neutral Higgs bosons produced in association with $b$ -quarks and decaying into $b$ -quarks at $s = 13$ TeV with the ATLAS detector

Search for a right-handed gauge boson decaying into a high-momentum heavy neutrino and a charged lepton in $pp$ collisions with the ATLAS detector at $s = 13$ TeV

Search for scalar resonances decaying into $μ^{+} μ^{-}$ in events with and without $b$ -tagged jets produced in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

Measurement of the $t t ˉ Z$ and $t t ˉ W$ cross sections in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at $E_{beam}$ = 4 TeV

Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at $s$ =13 TeV with the ATLAS detector

Cross sections for the reactions $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0}$ , $K_{S}^{0} K_{L}^{0} π^{+} π^{-}$ , $K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ , and $K_{S}^{0} K_{S}^{0} K^{+} K^{-}$ from events with initial-state radiation

Antideuteron production in $Υ (n S)$ decays and in $e^{+} e^{-} \to q q$ at $s \approx 10.58 Ge V$

Search for the decay $B^{0} \to Λ_{c}^{+} p p p$

Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B+ -> rho0 K+ and B+ -> f0(980)K+ decays