T. Schlueter

activity

20102017

τ

lepton polarization and

R (D^{*})

in the decay

B ˉ \to D^{*} τ^{-} ν ˉ_{τ}

471 citations · 1.6k across the 21 of their papers we have counts for

collaborators

21 papers

hep-ex2017★ 170 cited

Search for $B \to hν ν ˉ$ decays with semileptonic tagging at Belle

The Belle Collaboration, J. Grygier, P. Goldenzweig +203

We present the results of a search for the rare decays $B \to h ν ν$ , where $h$ stands for $K^{+}, K_{S}^{0}, K^{*+}, K^{* 0}, π^{+}, π^{0}, ρ^{+}$ and $ρ^{0}$ . T…

hep-ex2016★ 471 cited

Measurement of the $τ$ lepton polarization and $R (D^{})$ in the decay $B ˉ \to D^{} τ^{-} ν ˉ_{τ}$

S. Hirose, T. Iijima, I. Adachi +191

We report the first measurement of the $τ$ lepton polarization $P_{τ} (D^{*})$ in the decay $B ˉ \to D^{*} τ^{-} ν ˉ_{τ}$ as well as a new measurement of the ratio of the branch…

hep-ex2016★ 13 cited

Search for a dark vector gauge boson decaying to $π^{+} π^{-}$ using $η \to π^{+} π^{-} γ$ decays

E. Won, I. Adachi, H. Aihara +159

We report a search for a dark vector gauge boson $U^{'}$ that couples to quarks in the decay chain $D^{*+} \to D^{0} π^{+}, D^{0} \to K_{S}^{0} η, η \to U^{'} γ$ , $U^{'} \to π^{+} π^{-}$ …

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★ 57 cited

Resonance Production and $π π$ S-wave in $π^{-} + p \to π^{-} π^{-} π^{+} + p_{r eco i l}$ at 190 GeV/c

C. Adolph, R. Akhunzyanov, M. G. Alexeev +206

The COMPASS collaboration has collected the currently largest data set on diffractively produced $π^{-} π^{-} π^{+}$ final states using a negative pion beam of 190 GeV/c momentum impinging…

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★ 75 cited

Observation of a new narrow axial-vector meson $a_{1} (1420)$

C. Adolph, R. Akhunzyanov, M. G. Alexeev +201

The COMPASS collaboration at CERN has measured diffractive dissociation of 190 GeV/ $c$ pions into the $π^{-} π^{-} π^{+}$ final state using a stationary hydrogen target. A partial-wave ana…

hep-ex2014★ 77 cited

Odd and Even Partial Waves of $η π^{-}$ and $η^{'} π^{-}$ in $π^{-} p \to η^{(')} π^{-} p$ at $191 GeV / c$

C. Adolph, R. Akhunzyanov, M. G. Alexeev +205

Exclusive production of $η π^{-}$ and $η^{'} π^{-}$ has been studied with a $191 GeV / c$ $π^{-}$ beam impinging on a hydrogen target at COMPASS (CERN). Partial-wave analyses reveal d…

hep-ex2014★ 7 cited

Spin alignment and violation of the OZI rule in exclusive $ω$ and $ϕ$ production in pp collisions

C. Adolph, R. Akhunzyanov, M. G. Alexeev +206

Exclusive production of the isoscalar vector mesons $ω$ and $ϕ$ is measured with a 190 GeV $/ c$ proton beam impinging on a liquid hydrogen target. Cross section ratios are determine…

hep-ex2014★ 52 cited

Measurement of the charged-pion polarisability

C. Adolph, R. Akhunzyanov, M. G. Alexeev +210

The COMPASS collaboration at CERN has investigated pion Compton scattering, $π^{-} γ \to π^{-} γ$ , at centre-of-mass energy below 3.5 pion masses. The process is embedded in the r…

hep-ex2014★ 15 cited

Measurement of radiative widths of $a_{2} (1320)$ and $π_{2} (1670)$

C. Adolph, R. Akhunzyanov, M. G. Alekseev +206

The COMPASS Collaboration at CERN has investigated the reaction $π^{-} γ \to π^{-} π^{-} π^{+}$ embedded in the Primakoff reaction of $190 GeV$ pions scattering in the Coulom…

hep-ex2013★ 68 cited

Hadron Transverse Momentum Distributions in Muon Deep Inelastic Scattering at 160 GeV/ $c$

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +207

Multiplicities of charged hadrons produced in deep inelastic muon scattering off a $^{6}$ LiD target have been measured as a function of the DIS variables $x_{B j}$ , $Q^{2}$ , $W^{2}$ and t…

hep-ex2013★ 10 cited

Study of Σ(1385) and Ξ(1321) hyperon and antihyperon production in deep inelastic muon scattering

C. Adolph, M. Alekseev, V. Yu. Alexakhin +203

Large samples of Λ, Σ(1385) and Ξ(1321) hyperons produced in deep-inelastic muon scattering off a ^6LiD target were collected with the COMPASS experimental setup at CERN. The relat…

physics.ins-det2012★ 36 cited

DEPFET active pixel detectors for a future linear $e^{+} e^{-}$ collider

O. Alonso, R. Casanova, A. Dieguez +84

The DEPFET collaboration develops highly granular, ultra-transparent active pixel detectors for high-performance vertex reconstruction at future collider experiments. The character…

hep-ex2012★ 69 cited

Leading and Next-to-Leading Order Gluon Polarisation in the Nucleon and Longitudinal Double Spin Asymmetries from Open Charm Muoproduction

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217

The gluon polarisation in the nucleon was measured using open charm production by scattering 160 GeV/c polarised muons off longitudinally polarised protons or deuterons. The data w…

hep-ex2012★ 7 cited

D* and D Meson Production in Muon Nucleon Interactions at 160 GeV/c

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217

The production of D* and D mesons in inelastic scattering of 160 GeV/c muons off a ^6LiD target has been investigated with the COMPASS spectrometer at CERN for 0.003 (GeV/c)^2 < Q^…

hep-ex2012★ 9 cited

Measurement of the Cross Section for High-p_T Hadron Production in Scattering of 160 GeV/c Muons off Nucleons

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +209

The differential cross section for production of charged hadrons with high transverse momenta in scattering of 160\,GeV/ $c$ muons off nucleons at low photon virtualities has been m…

hep-ex2012★ 4 cited

Comment on "Material Evidence of a 38 MeV Boson"

J. Bernhard, J. M. Friedrich, T. Schlüter +1

In the recent preprint 1202.1739 it was claimed that preliminary data presented by COMPASS at recent conferences confirm the existence of a resonant state of mass 38 MeV decaying t…

hep-ex2010★ 147 cited

Quark helicity distributions from longitudinal spin asymmetries in muon-proton and muon-deuteron scattering

COMPASS Collaboration

Double-spin asymmetries for production of charged pions and kaons in semi-inclusive deep-inelastic muon scattering have been measured by the COMPASS experiment at CERN. The data, o…

hep-ex2010★ 34 cited

Azimuthal asymmetries of charged hadrons produced by high-energy muons scattered off longitudinally polarised deuterons

COMPASS Collaboration

Azimuthal asymmetries in semi-inclusive production of positive (h^+) and negative hadrons (h^-) have been measured by scattering 160 GeV muons off longitudinally polarised deuteron…

hep-ex2010★ 174 cited

The Spin-dependent Structure Function of the Proton g_1^p and a Test of the Bjorken Sum Rule

The COMPASS Collaboration, M. G. Alekseev

The inclusive double-spin asymmetry, A_1^p, has been measured at COMPASS in deepinelastic polarised muon scattering off a large polarised NH3 target. The data, collected in the yea…

Search for B→hννˉ decays with semileptonic tagging at Belle

Measurement of the τ lepton polarization and R(D∗) in the decay Bˉ→D∗τ−νˉτ​

Search for a dark vector gauge boson decaying to π+π− using η→π+π−γ decays

Observation of the decay Bs0​→K0K0

Resonance Production and ππ S-wave in π−+p→π−π−π++precoil​ at 190 GeV/c

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

Observation of a new narrow axial-vector meson a1​(1420)

Odd and Even Partial Waves of ηπ− and η′π− in π−p→η(′)π−p at 191GeV/c

Spin alignment and violation of the OZI rule in exclusive ω and ϕ production in pp collisions