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CERN Accelerating science

CERN Document Server 7 εγγραφές βρέθηκαν  Η έρευνα πήρε 0.59 δευτερόλεπτα. 
1.
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
2.
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
3.
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
4.
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.
Access to fulltext document - Access to fulltext document
5.
Low-energy behaviour of two-point functions of quark currents / Bijnens, Johan (Nordita) ; de Rafael, Eduardo (Marseille, CPT) ; Zheng, Han-qing (CERN)
We discuss vector, axial-vector, scalar and pseudoscalar two-point functions at low and intermediate energies. We first review what is known from chiral perturbation theory, as well as from a heat kernel expansion within the context of the extended Nambu-Jona-Lasinio (ENJL) model of ref. [...]
hep-ph/9306323; CERN-TH-6924-93; CPT-93-P-2917; NORDITA-93-43-NP; CERN-TH-6924-93; CPT-2917; NORDITA-93-43-NP.- Geneva : CERN, 1994 - 41 p. - Published in : Z. Phys. C 62 (1994) 437-454 Fulltext: PS.GZ; Preprint: PDF; - CERN library copies
6.
U$_{A}$(1) Goldberger-Treiman relation and the proton spin problem / Chao, K T ; Wen, J R ; Zheng, H Q
CERN-TH-6288-91; PUTP-91-15; TPI-MINN-91-45-T.- Geneva : CERN, 1992 - 7 p. - Published in : Phys. Rev. D 46 (1992) 5078-5082 APS Published version, local copy: PDF; Access to fulltext document: PDF; - CERN library copies
7.
Cosmological constraints to Weyl's vector meson / Huang, C G ; Wu, D D ; Zheng, H Q
BIHEP-TH-89-40.
- 1989. - 12 p.
CERN library copies

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