recid:1479245 - Резултати от търсенето

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Measurement of \Gamma(\eta -> \pi^+\pi^-\gamma)/\Gamma(\eta -> \pi^+\pi^-\pi^0) with the KLOE Detector / KLOE Collaboration
The ratio R_{\eta}=\Gamma(\eta -> \pi^+\pi^-\gamma)/\Gamma(\eta -> \pi^+\pi^-\pi^0) has been measured by analyzing 22 million \phi \to \eta \gamma decays collected by the KLOE experiment at DA\PhiNE, corresponding to an integrated luminosity of 558 pb^{-1}. The \eta \to \pi^+\pi^-\gamma proceeds both via the \rho resonant contribution, and possibly a non-resonant direct term, connected to the box anomaly [...]
arXiv:1209.4611.- 2013-01-08 - 12 p. - Published in : Phys. Lett. B 718 (2013) 910-914 Preprint: PDF; External link: Preprint

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(91)

Measurement of $\Gamma(\eta \to \pi^+\pi^-\gamma)/\Gamma(\eta \to \pi^+\pi^-\pi^0)$ with KLOE experiment / KLOE Collaboration
We report the measurement of the ratio $\Gamma(\eta \to \pi^+\pi^-\gamma)/\Gamma(\eta \to \pi^+\pi^-\pi^0)$ analyzing a large sample of $\phi \to \eta \gamma$ decays recorded with the KLOE experiment at the DA$\Phi$NE $e^+ e^-$ collider, corresponding to an integrated luminosity of 558 pb$^{-1}$. [...]
arXiv:1107.5733. - 2011. - 9 p.
Preprint - Full text

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Precision measurement of $\sigma(e^+e^-\rightarrow\pi^+\pi^-\gamma)/\sigma(e^+e^-\rightarrow \mu^+\mu^-\gamma)$ and determination of the $\pi^+\pi^-$ contribution to the muon anomaly with the KLOE detector / KLOE-2 Collaborations
We have measured the ratio $\sigma(e^+e^-\rightarrow\pi^+\pi^-\gamma)/\sigma(e^+e^-\rightarrow \mu^+\mu^-\gamma)$, with the KLOE detector at DA$\Phi$NE for a total integrated luminosity of $\sim$ 240 pb$^{-1}$. From this ratio we obtain the cross section $\sigma(e^+e^-\rightarrow\pi^+\pi^-)$. [...]
arXiv:1212.4524.- 2013-03-26 - 18 p. - Published in : Phys. Lett. B 720 (2013) 336-343 Fulltext: PDF; External link: Preprint

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(42)

Proposal for taking data with the KLOE-2 detector at the DA$\Phi$NE collider upgraded in energy / Babusci, D. (Frascati) ; Bini, C. (Rome U. ; INFN, Rome) ; Bossi, F. (Frascati) ; Isidori, G. (Frascati) ; Moricciani, D. (Rome U., Tor Vergata ; INFN, Rome2) ; Nguyen, F. (Rome III U. ; INFN, Rome3) ; Raimondi, P. (Frascati) ; Venanzoni, G. (Frascati) ; Alesini, D. (Frascati) ; Archilli, F. (Rome U., Tor Vergata ; INFN, Rome2) et al.
This document reviews the physics program of the KLOE-2 detector at DA$\Phi$NE upgraded in energy and provides a simple solution to run the collider above the $\phi$-peak (up to 2, possibly 2.5 GeV). [...]
arXiv:1007.5219 ; LNF-10-17-P ; LNF-10-17(P). - 2010. - 22 p.
Preprint - Full text

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$\gamma\gamma$ physics with the KLOE experiment / KLOE-2 Collaboration
The processes $e^+e^-\to e^+e^-X$, with $X$ being either the $\eta$ meson or $\pi^0\pi^0$, are studied at DA$\Phi$NE, with $e^+e^-$ beams colliding at $\sqrt{s}\simeq1$ GeV, below the $\phi$ resonance peak. [...]
arXiv:1107.3782. - 2011. - 6 p.
Preprint - Full text

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Hadron physics with KLOE-2 / for the KLOE-2 Collaboration
In the upcoming month the KLOE-2 data taking campaign will start at the upgraded DAFNE phi-factory of INFN Laboratori Nazionali di Frascati. The main goal is to collect an integrated luminosity of about 20 fb^(-1) in 3-4 years in order to refine and extend the KLOE program on both kaon physics and hadron spectroscopy. [...]
arXiv:1009.0113.- 2010 - 4 p.
Fulltext: PDF; External link: Preprint
In : 15th High-Energy Physics International Conference in Quantum Chromodynamics (QCD), Montpellier, France, 28 Jun - 3 Jul 2010, pp.137-140

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Measurement of the ratio $\Gamma(K_{L} \rightarrow \pi^{+}\pi^{-}) / \Gamma(K_{L} \rightarrow \pi^{\pm}e^{\mp}\nu)$ and extraction of the CP violation parameter $|\eta_{+-}|$ / NA48 Collaboration
We present a measurement of the ratio of the decay rates $\Gamma (K_L \rightarrow\pi^+\pi^-) / \Gamma(K_L \rightarrow\pi^{\pm}e^{\mp}\nu)$, denoted as $\Gamma_{K2\pi}/\Gamma_{Ke3}$. The analysis is based on data taken during a dedicated run in 1999 by the NA48 experiment at the CERN SPS. [...]
hep-ex/0611052; CERN-PH-EP-2006-034; CERN-PH-EP-2006-034.- Geneva : CERN, 2007 - 20 p. - Published in : Phys. Lett. B 645 (2007) 26-35 Fulltext: 0611052 - PDF; phep-2006-034 - PDF; S0370269306015474 - XML; arXiv:hep-ex_0611052 - PDF; External link: Preprint

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Observation of nu_tau appearance in the CNGS beam with the OPERA experiment / OPERA Collaboration
The OPERA experiment is searching for nu_mu -> nu_tau oscillations in appearance mode i.e. via the direct detection of tau leptons in nu_tau charged current interactions. [...]
arXiv:1407.3513.- 2014-10-27 - 10 p. - Published in : Prog. Theor. Exp. Phys. 2014 (2014) 101C01 Article from SCOAP3: PDF; Fulltext: PDF; External link: Preprint

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Study of the electromagnetic transition form-factors in \eta -> \mu^+\mu^-\gamma and \omega -> \mu^+\mu^-\pi^0 decays with NA60 / NA60 collaboration
The NA60 experiment at the CERN SPS has studied low-mass muon pairs in 158A GeV In-In collisions. The mass and pT spectra associated with peripheral collisions can quantitatively be described by the known neutral meson decays. [...]
arXiv:0902.2547.- 2009 - 9 p. - Published in : Phys. Lett. B 677 (2009) 260-266 Fulltext: PDF; External link: Preprint

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Determination of the S-wave $\pi \pi$ scattering lengths from a study of $K^{\pm} \to \pi^{\pm} \pi^{0} \pi^{0}$ decays / NA48/2 Collaboration
We report the results from a study of the full sample of $~6.031 x 10^{7} K^{\pm} \to \pi^{\pm} \pi^{0} \pi^{0}$ decays recorded by the NA48/2 experiment at the CERN SPS. As first observed in this experiment, the $\pi^{0} \pi^{0}$ invariant mass (M_00) distribution shows a cusp-like anomaly in the region around $M_{00} = 2m_{+}$, where m_{+} is the charged pion mass. [...]
arXiv:0912.2165; SLAC-PUB-14899.- Geneva : CERN, 2009 - 20 p. - Published in : Eur. Phys. J. C 64 (2009) 589-608 Fulltext: 10052_2009_1171_OnlinePDF - PDF; arXiv:0912.2165 - PDF; CERN-PH-EP-2009-010 - PDF; External link: SLAC Document Server

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