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CERN Document Server Znaleziono 329 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.49 sekund. 
1.
New limits on heavy neutrinos from Kaon experiments at CERN / Massri, Karim (CERN)
The NA48/2 and NA62-$R_K$ experiments at CERN collected large samples of charged kaon decays in 2003--2004 and 2007, respectively. These samples, collected with different trigger conditions, allow to search for both short and long-living heavy neutrinos produced in $K^{\pm}\to\mu^{\pm}N_4$ decays. [...]
arXiv:1706.03553.- 2017 - 8 p. - Published in : Nuovo Cimento C 40 (2017) 170 Fulltext: PDF; Preprint: PDF;
In : 31st Rencontres de Physique de La Vallée d'Aoste, La Thuile, Vallée D'aoste, Ita, 5 - 11 Mar 2017, pp.170
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2.
Recent results from NA48/2 and NA62 experiments at CERN / Lurkin, Nicolas (Birmingham U.)
The NA48/2 and $\text{NA62}\text{-}{\text{R}_\text{K}}$ experiments at the CERN SPS collected a large sample of charged kaon decays in flight. $\text{NA62}\text{-}{\text{R}_\text{K}}$ was running in 2007-08 with a highly efficient minimum bias trigger for decays into electrons. [...]
POS(HQL-2016)033; arXiv:1701.06979.- SISSA, 2016-11-23 - 11 p. - Published in : PoS HQL2016 (2017) 033 Fulltext: PDF; Preprint: PDF;
In : 13th International Conference on Heavy Quarks and Leptons, Blacksburg, Virginia, USA, 22 - 27 May 2016, pp.033
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3.
Measurement of the $C\!P$ violation parameter $A_\Gamma$ in $D^0 \to K^+K^-$ and $D^0 \to \pi^+\pi^-$ decays / LHCb Collaboration
Asymmetries in the time-dependent rates of $D^0 \to K^+K^-$ and $D^0 \to \pi^+\pi^-$ decays are measured in a $pp$ collision data sample collected with the LHCb detector during LHC Run 1, corresponding to an integrated luminosity of $3\,\mathrm{fb}^{-1}$. The asymmetries in effective decay widths between $D^0$ and $\overline{D}^0$ decays, sensitive to indirect $CP$ violation, are measured to be $A_\Gamma(K^+ K^-) = (-0.30 \pm 0.32 \pm 0.10)\times 10^{-3}$ and $A_\Gamma(\pi^+\pi^-) = (0.46 \pm 0.58 \pm 0.12)\times 10^{-3}$, where the first uncertainty is statistical and the second systematic. [...]
arXiv:1702.06490; LHCB-PAPER-2016-063; CERN-EP-2017-028.- Geneva : CERN, 2017-06-28 - 9 p. - Published in : Phys. Rev. Lett. 118 (2017) 261803 APS Open Access Article: PDF; Fulltext: arXiv:1702.06490 - PDF; 10.1103_PhysRevLett.118.261803 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
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4.
A partial wave analysis of the $(\bar{K}^{0}\pi^{+}\pi^{-})$ system produced in $K^{-}p \rightarrow \bar{K}^{0}\pi^{+}\pi^{-}n$ at 10 GeV/c / Beusch, Werner ; Aebischer, B ; Birman, A ; Fluri, L ; Freudenreich, Klaus ; Gentit, F X ; Königs, E ; Nakkasyan, A ; Otter, Gerd ; Pernegr, J et al.
A partial wave analysis of the non-diffractively produced (K/sup 0/ pi /sup +/ pi /sup -/) system has been performed. The system was produced in the reaction K/sup -/p to K/sup 0/ pi /sup +/ pi /sup -/n at 10 GeV /c, measured in the CERN Omega spectrometer. [...]
AACHEN-III-B-77-6.- 1978 - Published in : Phys. Lett. B 74 (1978) 282-286
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5.
$B_{s}^{0} \to D_{s}^{- }a_{1}^{+} (D_{s}^{-} \to \phi \pi^{-}, D_{s}^{-} \to K^{*0}K^{-})$ decay channel in the ATLAS $B_{s}^{0}$-mixing studies / Bannikov, AV ; Chelkov, G A ; Silagadze, Z K
It is shown, using a track-level simulation, that the use of the $D_s^- \to K^{*0}K^-$ decay channel for $D_s^-$ reconstruction, in additioon with the previously studied $D_s^- \to \phi \pi^-$ mode, enables two fold gain in the ATLAS $B_s^0$-mixing signal statistics through $B_s^0 \to D_s^-a_1$ $B_s^0$-decay channel. [...]
ATL-PHYS-97-115 ; hep-ph/9802434 ; ATL-GE-PN-115 ; E1-98-29 ; JINR-E1-98-29. - 1997. - 23 p.
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6.
Mixing in the $D^0$ system : Results from collider experiments / Grothe, Monika (CERN)
Mixing in the D0 system may provide a sensitive probe for new physics beyond the Standard Model (SM) but has so far eluded experimental observation. The SM predictions are typically small (< 10^{-3}) for the mixing parameters x, y which, in the absence of charge-parity (CP) symmetry violation, measure the mass (x= Delta(m)/Gamma) and lifetime (y= Delta(Gamma)/2Gamma) difference of the CP eigenstates in the D0 system. [...]
hep-ex/0301011; CERN-OPEN-2003-002; CERN-OPEN-2003-002.- Geneva : CERN, 2003 - 28 p. - Published in : Mod. Phys. Lett. A 18 (2003) 1-22 Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint - Please contact the library if you need to access this document.
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7.
$\phi\rightarrow K^{+} K^{-}/K^{\overline{0}}K^{0}$ / Bramon, A ; Escribano, R ; Lucio, J L M ; Pancheri, G
The ratio $\Phi\rightarrow K^+K^-/K^0\bar K^0$ is discussed and its present experimental value is compared with theoretical expectations. [...]
LNF-0200-013-P. - 2000.
Fulltext
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8.
Bose-Einstein correlations in $K^{\pm}K^{\pm}$ pairs from $Z^{0}$ decays into two hadronic jets / OPAL Collaboration
Bose-Einstein correlations in pairs of charged kaons produced in a sample of 3.9 million hadronic Z0 decays have been measured with the OPAL experiment at LEP. Charged kaons were identified in the central tracking detector using their specific energy loss in the drift chamber gas. [...]
hep-ex/0001045; CERN-EP-99-163; CERN-EP-99-163.- Geneva : CERN, 2001 - 25 p. - Published in : Eur. Phys. J. C 21 (2001) 23-32 Fulltext: arXiv:hep-ex_0001045 - PDF; 0001045 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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9.
Production of $K^{\pm}$, $K^{0}$, protons and $\Lambda s$ in $q\overline{q}$ and WW events at LEP 2 / Abreu, P ; De Angelis, A ; Henriques, R P ; Liko, D ; Neufeld, N
CERN-OPEN-99-446 ; CERN-DELPHI-98-125-CONF-186 ; DELPHI-98-125-CONF-186. - 1998. - 17 p.
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10.
Impact parameter dependence of $K^{\pm}, p, \overline{p}, d$ and $\overline{d}$ production in fixed target Pb + Pb collisions at 158 GeV per nucleon / Ambrosini, G ; Arsenescu, R ; Baglin, C ; Beringer, J ; Borer, K ; Bussière, A ; Elsener, K ; Gorodetzky, P ; Guillaud, J P ; Hess, P O et al.
CERN-OPEN-99-309; BU-HEP-99-02.- Boston, MA : Boston Univ., 1999 - 31 p. - Published in : New J. Phys. 1 (1999) 22.1-22.23 Access to fulltext document: PDF; - CERN library copies
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