M. Ritter

activity

20012023

e^{+} e^{-} \to π^{+} π^{-} J / ψ

and Observation of a Charged Charmonium-like State at Belle

739 citations · 9k across the 235 of their papers we have counts for

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31 papers · 1 filter

hep-ex2015★ 86 cited

Study of e+e- => B() B()-bar pi+- at sqrt(s)=10.866 GeV

A. Garmash, A. Abdesselam, I. Adachi +158

We report the analysis of the three-body e+e- => B B-bar pi, B B*-bar pi, and B* B*-bar pi processes, including the first observation of the Zb+-(10610) =>[B B*-bar+c.c.]+- and Zb+…

hep-ex2015★ 43 cited

First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: $Λ_{c}^{+} \to p K^{+} π^{-}$

Belle Collaboration, S. B. Yang, K. Tanida +190

We report the first observation of the decay $Λ_{c}^{+} \to p K^{+} π^{-}$ using a 980 $f b^{- 1}$ data sample collected by the Belle detector at the KEKB asymmetric…

hep-ex2015★ 4 cited

First Observation of the Decay B0->psi(2S)pi0

V. Chobanova, J. Dalseno, C. Kiesling +180

We report a measurement of the $B^{0} \to ψ (2 S) π^{0}$ branching fraction based on the full $Υ (4 S)$ data set of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected by the Belle detector…

hep-ex2015★ 19 cited

Search for the rare decay $D^{0} \to γ γ$ at Belle

Belle Collaboration, N. K. Nisar, G. B. Mohanty +180

We search for the rare radiative decay $D^{0} \to γ γ$ using a data sample with an integrated luminosity of $832 f b^{- 1}$ recorded by the Belle detector at the KEKB $e^{+} e^{-}$ asymme…

hep-ex2015★ 28 cited

Inclusive and exclusive measurements of $B$ decays to $χ_{c 1}$ and $χ_{c 2}$ at Belle

V. Bhardwaj, K. Miyabayashi, E. Panzenböck +196

We report inclusive and exclusive measurements for $χ_{c 1}$ and $χ_{c 2}$ production in $B$ decays. We measure $B (B \to χ_{c 1} X)$ = $(3.03 \pm 0.05(\mbox{stat}) \pm 0.24(\…

hep-ex2015★ 19 cited

Observation of the decay $B_{s}^{0} \to K^{0} K^{0}$

Belle Collaboration, B. Pal, A. J. Schwartz +181

We measure the decay $B_{s}^{0} \to K^{0} K^{0}$ using data collected at the $Υ (5 S)$ resonance with the Belle detector at the KEKB $e^{+} e^{-}$ collider. The data sample used…

hep-ex2015★ 3 cited

Inclusive cross sections for pairs of identified light charged hadrons and for single protons in $e^{+} e^{-}$ at $s =$ 10.58 GeV

Belle Collaboration, R. Seidl, A. Abdesselam +172

We report the first double differential cross sections of two charged pions and kaons ( $e^{+} e^{-} \to hh X$ ) in electron-positron annihilation as a function of the fractional e…

hep-ex2015★ 132 cited

Measurement of the decay $B \to D ℓ ν_{ℓ}$ in fully reconstructed events and determination of the Cabibbo-Kobayashi-Maskawa matrix element $∣ V_{c b} ∣$

R. Glattauer, C. Schwanda, A. Abdesselam +178

We present a determination of the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element $∣ V_{c b} ∣$ using the decay $B \to D ℓ ν_{ℓ}$ ( $ℓ = e, μ$ ) based on 711 fb $^{- 1}$ of $e^…

hep-ex2015★ 19 cited

Study of $B^{0} \to ρ^{+} ρ^{-}$ decays and implications for the CKM angle $ϕ_{2}$

P. Vanhoefer, J. Dalseno, C. Kiesling +184

We present a measurement of the branching fraction and the longitudinal polarization fraction of $B^{0} \to ρ^{+} ρ^{-}$ decays, as well as the time-dependent $C P$ violating param…

hep-ex2015★ 29 cited

Search for $B^{0} \to π^{-} τ^{+} ν_{τ}$ with hadronic tagging at Belle

Belle Collaboration, P. Hamer, A. Frey +181

We search for the process $B^{0} \to π^{-} τ^{+} ν_{τ}$ using the full Belle data set of $711 fb^{- 1}$ , corresponding to $772 \times 1 0^{6} B B ˉ$ pairs, collected at the $Υ (4 S)$ r…

hep-ex2015★ 6 cited

Observation of $B^{0} \to p Λ ˉ D^{(*) -}$

Y. -Y. Chang, M. -Z. Wang, A. Abdesselam +167

We report the first observation of the decays $B^{0} \to p Λ ˉ D^{(*) -}$ . The data sample of $711$ fb $^{- 1}$ used in this analysis corresponds to $772$ million $B B ˉ$ pa…

hep-ex2015★ 11 cited

First model-independent Dalitz analysis of $B^{0} \to D K^{* 0}$ , $D \to K_{S}^{0} π^{+} π^{-}$ decay

Belle Collaboration, K. Negishi, A. Ishikawa +178

We report a measurement of the amplitude ratio $r_{S}$ of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a Dalitz analysis of $D \to K_{S}^{0} π^{+} π^{-}$ decays, for the first…

hep-ex2015★ 79 cited

Study of $π^{0}$ pair production in single-tag two-photon collisions

The Belle Collaboration, M. Masuda, S. Uehara +177

We report a measurement of the differential cross section of $π^{0}$ pair production in single-tag two-photon collisions, $γ^{*} γ \to π^{0} π^{0}$ , in $e^{+} e^{-}$ scattering. The cross secti…

hep-ex2015★ 53 cited

Energy scan of the $e^{+} e^{-} \to h_{b} (n P) π^{+} π^{-}$ $(n = 1, 2)$ cross sections and evidence for $Υ (11020)$ decays into charged bottomonium-like states

Belle Collaboration, R. Mizuk, A. Bondar +155

Using data collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we measure the energy dependence of the $e^{+} e^{-} \to h_{b} (n P) π^{+} π^{-}$ $(n = 1, 2)$ cross sec…

hep-ex2015★ 8 cited

Measurement of $e^{+} e^{-} \to γ χ_{c J}$ via initial state radiation at Belle

Belle Collaboration, Y. L. Han, X. L. Wang +142

The process $e^{+} e^{-} \to γ χ_{c J}$ ( $J$ =1, 2) is studied via initial state radiation using 980 fb $^{- 1}$ of data at and around the $Υ (n S)$ ( $n$ =1, 2, 3, 4, 5) resonances collected wi…

hep-ex2015★ 676 cited

Measurement of the branching ratio of $B ˉ \to D^{()} τ^{-} ν ˉ_{τ}$ relative to $B ˉ \to D^{()} ℓ^{-} ν ˉ_{ℓ}$ decays with hadronic tagging at Belle

Belle Collaboration, M. Huschle, T. Kuhr +201

We report a measurement of the branching fraction ratios R(D(*)) of Bbar -> D(*) tau- nubar_tau relative to Bbar -> D()* l- nubar_l (where l = e or mu) using the full Belle data sa…

hep-ex2015★ 31 cited

First observation of the hadronic transition $Υ (4 S) \to η h_{b} (1 P)$ and new measurement of the $h_{b} (1 P)$ and $η_{b} (1 S)$ parameters

The Belle Collaboration, U. Tamponi, R. Mussa +156

Using a sample of $771.6 \times 1 0^{6}$ $Υ (4 S)$ decays collected by the Belle experiment at the KEKB $e^{+} e^{-}$ collider, we observe for the first time the transition $Υ(4S) \to ηh_b…

hep-ex2015★ 14 cited

Study of $D^{**}$ production and light hadronic states in the $B ˉ^{0} \to D^{*+} ω π^{-}$ decay

Belle Collaboration, D. Matvienko, A. Kuzmin +162

We report on the first observations of $B ˉ^{0} \to D_{1} (2430)^{0} ω$ , $B ˉ^{0} \to D_{1} (2420)^{0} ω$ and $B ˉ^{0} \to D_{2}^{*} (2460)^{0} ω$ decays. The $B ˉ^{0} \to D^{*+} ρ (1450)^{-}$ …

hep-ex2015★ 24 cited

Search for B+ -> l+ nu gamma decays with hadronic tagging using the full Belle data sample

A. Heller, P. Goldenzweig, M. Heck +161

We search for the decay B+ -> l+ nu gamma with l+ = e+ or mu+ using the full Belle data set of 772 x 10^6 BBbar pairs, collected at the Y(4S) resonance with the Belle detector at t…

hep-ex2015★ 17 cited

Measurements of $B \to D ˉ D_{s 0}^{+} (2317)$ decay rates and a search for isospin partners of the $D_{s 0}^{+} (2317)$

The Belle Collaboration, S. -K. Choi, S. L. Olsen +173

We report improved measurements of the product branching fractions ${\mathcal B}(B^+\rightarrow\bar{D}^0 D_{s0}^{*+} (2317))\times{\mathcal B}( D_{s0} ^{*+}(2317)\rightarrow D_s^{+…

hep-ex2015★ 11 cited

Semi-inclusive studies of semileptonic $B_{s}$ decays at Belle

Belle Collaboration, C. Oswald, P. Urquijo +177

We present an analysis of the semi-inclusive decays $B_{s} \to D_{s}^{-} X ℓ^{+} ν$ and $B_{s} \to D_{s}^{*-} X ℓ^{+} ν$ , where $X$ denotes a final state that may consist of additional had…

hep-ex2015★ 7 cited

Evidence for the decay B0->eta pi^0

Belle Collaboration, B. Pal, A. J. Schwartz +169

We report a search for the charmless hadronic decay $B^{0} \to η π^{0}$ with a data sample corresponding to an integrated luminosity of 694 $f b^{- 1}$ containing $753 \times 1 0^{6}$ $B\bar…

hep-ex2015★ 10 cited

Search for $B^{+} \to e^{+} ν$ and $B^{+} \to μ^{+} ν$ decays using hadronic tagging

Y. Yook, Y. -J. Kwon, A. Abdesselam +174

We present a search for the rare leptonic decays $B^{+} \to e^{+} ν_{e}$ and $B^{+} \to μ^{+} ν_{μ}$ , using the full $Υ (4 S)$ data sample of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected with the…

hep-ex2015★ 1 cited

Measurement of the amplitude ratio of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a model-independent Dalitz plot analysis using $D \to K_{S}^{0} π^{+} π^{-}$ decays

A. Abdesselam, I. Adachi, K. Adamczyk +409

We report a measurement of the amplitude ratio $r_{S}$ of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a model-independent Dalitz plot analysis using $D\to K_S^0π^+π…

Study of e+e- => B(*) B(*)-bar pi+- at sqrt(s)=10.866 GeV

First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λc+​→pK+π−

First Observation of the Decay B0->psi(2S)pi0

Search for the rare decay D0→γγ at Belle

Inclusive and exclusive measurements of B decays to χc1​ and χc2​ at Belle

Observation of the decay Bs0​→K0K0

Inclusive cross sections for pairs of identified light charged hadrons and for single protons in e+e− at s​= 10.58 GeV

Measurement of the decay B→Dℓνℓ​ in fully reconstructed events and determination of the Cabibbo-Kobayashi-Maskawa matrix element ∣Vcb​∣

Study of B0→ρ+ρ− decays and implications for the CKM angle ϕ2​

Search for B0→π−τ+ντ​ with hadronic tagging at Belle

Observation of B0→pΛˉD(∗)−

First model-independent Dalitz analysis of B0→DK∗0, D→KS0​π+π− decay

Study of π0 pair production in single-tag two-photon collisions

Energy scan of the e+e−→hb​(nP)π+π− (n=1,2) cross sections and evidence for Υ(11020) decays into charged bottomonium-like states

Measurement of e+e−→γχcJ​ via initial state radiation at Belle

Measurement of the branching ratio of Bˉ→D(∗)τ−νˉτ​ relative to Bˉ→D(∗)ℓ−νˉℓ​ decays with hadronic tagging at Belle

First observation of the hadronic transition Υ(4S)→ηhb​(1P) and new measurement of the hb​(1P) and ηb​(1S) parameters

Study of D∗∗ production and light hadronic states in the Bˉ0→D∗+ωπ− decay

Search for B+ -> l+ nu gamma decays with hadronic tagging using the full Belle data sample

Measurements of B→DˉDs0∗+​(2317) decay rates and a search for isospin partners of the Ds0∗+​(2317)

Semi-inclusive studies of semileptonic Bs​ decays at Belle

Evidence for the decay B0->eta pi^0

Search for B+→e+ν and B+→μ+ν decays using hadronic tagging

Measurement of the amplitude ratio of B0→D0K∗0 and B0→D0ˉK∗0 decays with a model-independent Dalitz plot analysis using D→KS0​π+π− decays

Study of e+e- => B() B()-bar pi+- at sqrt(s)=10.866 GeV

First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: $Λ_{c}^{+} \to p K^{+} π^{-}$

Search for the rare decay $D^{0} \to γ γ$ at Belle

Inclusive and exclusive measurements of $B$ decays to $χ_{c 1}$ and $χ_{c 2}$ at Belle

Observation of the decay $B_{s}^{0} \to K^{0} K^{0}$

Inclusive cross sections for pairs of identified light charged hadrons and for single protons in $e^{+} e^{-}$ at $s =$ 10.58 GeV

Measurement of the decay $B \to D ℓ ν_{ℓ}$ in fully reconstructed events and determination of the Cabibbo-Kobayashi-Maskawa matrix element $∣ V_{c b} ∣$

Study of $B^{0} \to ρ^{+} ρ^{-}$ decays and implications for the CKM angle $ϕ_{2}$

Search for $B^{0} \to π^{-} τ^{+} ν_{τ}$ with hadronic tagging at Belle

Observation of $B^{0} \to p Λ ˉ D^{(*) -}$

First model-independent Dalitz analysis of $B^{0} \to D K^{* 0}$ , $D \to K_{S}^{0} π^{+} π^{-}$ decay

Study of $π^{0}$ pair production in single-tag two-photon collisions

Energy scan of the $e^{+} e^{-} \to h_{b} (n P) π^{+} π^{-}$ $(n = 1, 2)$ cross sections and evidence for $Υ (11020)$ decays into charged bottomonium-like states

Measurement of $e^{+} e^{-} \to γ χ_{c J}$ via initial state radiation at Belle

Measurement of the branching ratio of $B ˉ \to D^{()} τ^{-} ν ˉ_{τ}$ relative to $B ˉ \to D^{()} ℓ^{-} ν ˉ_{ℓ}$ decays with hadronic tagging at Belle

First observation of the hadronic transition $Υ (4 S) \to η h_{b} (1 P)$ and new measurement of the $h_{b} (1 P)$ and $η_{b} (1 S)$ parameters

Study of $D^{**}$ production and light hadronic states in the $B ˉ^{0} \to D^{*+} ω π^{-}$ decay

Measurements of $B \to D ˉ D_{s 0}^{+} (2317)$ decay rates and a search for isospin partners of the $D_{s 0}^{+} (2317)$

Semi-inclusive studies of semileptonic $B_{s}$ decays at Belle

Search for $B^{+} \to e^{+} ν$ and $B^{+} \to μ^{+} ν$ decays using hadronic tagging

Measurement of the amplitude ratio of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a model-independent Dalitz plot analysis using $D \to K_{S}^{0} π^{+} π^{-}$ decays