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CERN Document Server 11 записей найдено  1 - 10следующий  перейти к записи: Поиск длился 0.63 секунд. 
1.
Study of $\chi_{bJ}(nP) \rightarrow \omega \Upsilon(1S)$ at Belle / Belle Collaboration
We report results from a study of hadronic transitions of the $\chi_{bJ}(nP)$ states of bottomonium at Belle. [...]
arXiv:2108.03497 ; BELLE-CONF-2102.
- 12.
Fulltext
2.
Measurement of Michel Parameters ($\bar\eta$, $\xi\kappa$) in the radiative leptonic decay of tau at Belle / Belle Collaboration
We present the first measurement of the Michel parameters $\bar{\eta}$ and $\xi\kappa$ in the radiative leptonic decay of the $\tau$ lepton using 703 f$\mathrm{b}^{-1}$ of data collected with the Belle detector at the KEKB $e^+e^-$ collider. The Michel parameters are measured by an unbinned maximum likelihood fit to the kinematic information of $e^+e^-\rightarrow\tau^+\tau^-\rightarrow (\pi^+\pi^0 \bar{\nu})(l^-\nu\bar{\nu}\gamma)$ $(l=e$ or $\mu)$. [...]
arXiv:1609.08280.- 2017-06-22 - 4 p. - Published in : Nucl. Part. Phys. Proc. 287-288 (2017) 11-14 Fulltext: PDF; External link: Preprint
In : The 14th International Workshop on Tau Lepton Physics (Tau2016), Beijing, China, 18 - 23 Sep 2016, pp.11-14
3.
Angular analysis of $B^0 \to K^\ast(892)^0 \ell^+ \ell^-$ / Belle Collaboration
We present a measurement of angular observables, $P_4'$, $P_5'$, $P_6'$, $P_8'$, in the decay $B^0 \to K^\ast(892)^0 \ell^+ \ell^-$, where $\ell^+\ell^-$ is either $e^+e^-$ or $\mu^+\mu^-$. [...]
arXiv:1604.04042 ; BELLE-CONF-1603 ; BELLE-CONF-1603.
- 2016. - 13 p.
Preprint - Full text
4.
Measurement of the branching ratio of $\bar{B}^0 \rightarrow D^{*+} \tau^- \bar{\nu}_{\tau}$ relative to $\bar{B}^0 \rightarrow D^{*+} \ell^- \bar{\nu}_{\ell}$ decays with a semileptonic tagging method / Belle Collaboration
We report a measurement of ratio ${\cal R}(D^*) = {\cal B}(\bar{B}^0 \rightarrow D^{*+} \tau^- \bar{\nu}_{\tau})/{\cal B}(\bar{B}^0 \rightarrow D^{*+} \ell^- \bar{\nu}_{\ell})$, where $\ell$ denotes an electron or a muon. The results are based on a data sample containing $772\times10^6$ $B\bar{B}$ pairs recorded at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^+ e^-$ collider. [...]
arXiv:1603.06711; BELLE-CONF-1602.- 2019-01 - 12 p. - Published in : Measurement 132 (2019) 369-376 Fulltext: PDF; External link: Preprint
In : 51st Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 12 - 19 Mar 2016, pp.369-376
5.
JUNO Conceptual Design Report / Adam, T ; An, F P ; An, G P ; An, Q ; Anfimov, N ; Antonelli, V ; Baldoncini, M ; Baussan, E ; Bellato, M ; Bezrukov, L et al.
The Jiangmen Underground Neutrino Observatory (JUNO) is proposed to determine the neutrino mass hierarchy using an underground liquid scintillator detector. [...]
arXiv:1508.07166.
- 2015. - 300 p.
Preprint
6.
Energy scan of the $e^+e^- \to h_b(nP)\pi^+\pi^-$ $(n=1,2)$ cross sections and evidence for the $\Upsilon(11020)$ decays into charged bottomonium-like states / Belle Collaboration
Using data collected with the Belle detector in the energy region of the $\Upsilon(10860)$ and $\Upsilon(11020)$ resonances we measure the $e^+e^- \to h_b(nP)\pi^+\pi^-$ $(n=1,2)$ cross sections. Their energy dependences show clear $\Upsilon(10860)$ and $\Upsilon(11020)$ peaks with a small or no non-resonant contribution. [...]
arXiv:1508.06562; BELLE-CONF-1503; BELLE-CONF-1503.- 2016-09-28 - 7 p. - Published in : Phys. Rev. Lett. 117 (2016) 142001 APS Open Access article: PDF; Fulltext: PDF; External link: Rivet analyses reference
7.
Anomalous Line-Shape of Cross Sections for $e^+e^- \to {\rm Hadrons}$ in the Center-of-Mass Energy Region between 3.650 and 3.872 GeV / BES Collaboration
We observe an obvious anomalous line-shape of the $e^+e^- \to {\rm hadrons}$ total cross sections in the energy region between 3.700 and 3.872 GeV from the data samples taken with the BES-II detector at the BEPC Collider. [...]
arXiv:0807.0494.
- 2008. - 6 p.
Preprint - Full text
8.
Precision measurements of the mass, the widths of $\psi$(3770) resonance and the cross section $\sigma e^+e^- \to \psi(3770)$ at Ecm=3.7724 GeV / Ablikim, M ; Bai, J Z ; Ban, Y ; Bian, J G ; Cai, X ; Chen, H F ; Chen, H S ; Chen, H X ; Chen, J C ; Chen, Jin et al.
2007 - Published in : Phys. Lett. B 652 (2007) 238-244
9.
Search for the Rare Decays $J/\psi \to D_{S}^{-} \pi^{+}$, $J/\psi \to D^{-} \pi^{+}$, and $J/\psi \to \bar D^{0} \bar K^{0}$ / BES Collaboration
Rare decay modes $J/\psi \to D_{S}^{-} \pi^{+} + c.c.$, $J/\psi \to D^{-} \pi^{+} + c.c.$, and $J/\psi \to \bar D^{0} \bar K^{0} + c.c.$ are searched for using 5.77$\times 10^{7}$ $J/\psi$ events collected with the BESII detector at the BEPC. [...]
arXiv:0707.3005.
- 2007. - 10 p.
Fulltext
10.
Measurements of the absolute branching fractions for the semileptonic decays D0 -> K-mu+nu_mu and D0 -> pi-mu+nu_mu / BES Collaboration
Based on the data sample of 33 pb$^{-1}$ collected at and around 3.773 GeV with the BESII detector at the BEPC collider, the absolute branching fractions for the semileptonic decays $D^0\to K^-\mu^+\nu_\mu$ and $D^0\to\pi^-\mu^+\nu_\mu$ have been measured. [...]
hep-ex/0610019.
- 2006. - 7 p.
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