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CERN Document Server 2,047 records found  1 - 10nextend  jump to record: Search took 1.32 seconds. 
1.
(100)
Search for $K^{+}\rightarrow\pi^{+}\nu\overline{\nu}$ at NA62 / NA62 Collaboration
$K^{+}\rightarrow\pi^{+}\nu\overline{\nu}$ is one of the theoretically cleanest meson decay where to look for indirect effects of new physics complementary to LHC searches. [...]
arXiv:1807.09101. - 2018. - 8 p.
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2.
(91)
Prospects for $K^+ \to \pi^+ \nu \bar{ \nu }$ at CERN in NA62 / Newson, Francis (Birmingham U.) ; Aglieri Rinella, G. ; Aliberti, R. ; Ambrosino, F. ; Angelucci, B. ; Antonelli, A. ; Anzivino, G. ; Arcidiacono, R. ; Azhinenko, I. ; Balev, S. et al.
The NA62 experiment will begin taking data in 2015. [...]
arXiv:1411.0109. - 2014. - 8 p.
Preprint - Full text
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3.
(91)
A Measurement of the Tau Topological Branching Ratios / DELPHI Collaboration
Using data collected in the DELPHI detector at LEP-1, measurements of the inclusive tau branching ratios for decay modes containing one, three, or five charged particles have been performed, giving the following results: B_1 = B(\tau^- -> (particle)^- \geq 0pi^0 \geq 0K^0 \nu_\tau(\bar{\nu})) = (85.316 +/- 0.093 +/- 0.049)%; B_3 = B(\tau^- -> 2h^-h^+ \geq 0pi^0 \geq 0K^0 \nu_\tau) = (14.569 +/- 0.093 +/- 0.048)%; B_5 = B(\tau^- -> 3h^-2h^+ \geq 0pi^0 \geq 0K^0 \nu_\tau) = (0.115 +/- 0.013 +/- 0.006)%, where h is either a charged pi or K meson. The first quoted uncertainties are statistical and the second systematic..
hep-ex/0105047; CERN-EP-2001-030; CERN-DELPHI-2001-091-CONF-519; CERN-EP-2001-030; DELPHI-2001-091-CONF-519.- Geneva : CERN, 2001 - 32 p. - Published in : Eur. Phys. J. C 20 (2001) 617-637 Fulltext: 0105047 - PDF; arXiv:hep-ex_0105047 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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4.
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SEARCH FOR AN INVISIBLE VECTOR BOSON FROM $\pi^{0}$ DECAYS AT NA62 / NA62 Collaboration
The high-intensity setup, trigger system flexibility and detector performance make the NA62 experiment at CERN particularly suitable to perform direct searches for long-lived hidden-sector particles, such as dark photons, dark scalars, axion-like particles, and heavy neutral leptons, using kaon and pion decays as well as operating the experiment in dump mode. Results from NA62 will be presented on a search for $π^0$ decays to one photon and an invisible massive dark photon. [...]
2019 - 6 p. - Published in : (2019) , pp. 194-199 Fulltext: PDF;
In : International Conference on the Structure and the Interactions of the Photon, Frascati, Italy, 3 - 7 Jun 2019, pp.194-199
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5.
(88)
Search for neutralino pair production at $\sqrt{s}$ = 189 GeV / DELPHI Collaboration
A search for pair-production of neutralinos at a LEP centre-of-mass energy of 189 GeV gave no evidence for a signal. This limits the neutralino production cross-section and excludes regions in the parameter space of the Minimal Supersymmetric Standard Model (MSSM)..
hep-ex/0102034; CERN-EP-2000-133; CERN-EP-2000-133.- Geneva : CERN, 2001 - 23 p. - Published in : Eur. Phys. J. C 19 (2001) 201-212 Fulltext: ep-2000-133 - PDF; arXiv:hep-ex_0102034 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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6.
(87)
Recent NA48/2 and NA62 results / Madigozhin, D. (Dubna, JINR) ; Ambrosino, F. ; Antonelli, A. ; Anzivino, G. ; Arcidiacono, R. ; Baldini, W. ; Balev, S. ; Batley, J.R. ; Behler, M. ; Bifani, S. et al.
The NA48/2 Collaboration at CERN has accumulated and analysed unprecedented statistics of rare kaon decays in the $K_{e4}$ modes: $K_{e4}(+-)$ ($K^\pm \to \pi^+ \pi^- e^\pm \nu$) and $K_{e4}(00)$ ($K^\pm \to \pi^0 \pi^0 e^\pm \nu$) with nearly one percent background contamination. It leads to the improved measurement of branching fractions and detailed form factor studies. [...]
arXiv:1408.0585.- 2014 - 4 p. - Published in : (2014) , pp. 369-374 Fulltext: Pages_from_C14-03-22_369 - PDF; arXiv:1408.0585 - PDF; External link: Preprint
In : 49th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 22 - 29 Mar 2014, pp.369-374
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7.
(87)
Midrapidity antiproton-to-proton ratio in pp collisions at $\sqrt{s} = 0.9$ and $7$~TeV measured by the ALICE experiment / ALICE collaboration
The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at $\sqrt{s} = 0.9$ and $7$~TeV during the initial running periods of the Large Hadron Collider(LHC). The measurement covers the transverse momentum interval $0.45 < p_{\rm{t}} < 1.05$~GeV/$c$ and rapidity $|y| < 0.5$. [...]
arXiv:1006.5432.- 2010 - 12 p. - Published in : Phys. Rev. Lett. 105 (2010) 072002 APS Open Access article: PDF; Fulltext: PDF; External link: DURHAM
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8.
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Measurement of the $B^0_s$ Lifetime and Study of $B^0_s - \overline{B^0_s}$ Oscillations using $D_{s}l$ Events / DELPHI Collaboration
Lifetime and oscillations of $\Bs$ mesons have been studied in eventswith a large transverse momentum lepton and a $\Ds$ of opposite electric charge>the same hemisphere, selected from about 3.6 million hadronic $\Zz$decays accumulated by DELPHI between 1992 and 1995. \\The $\Bs$ lifetime and the fractional width difference between the two physical>
hep-ex/0107077; CERN-EP-2000-043; CERN-EP-2000-043.- Geneva : CERN, 2000 - 47 p. - Published in : Eur. Phys. J. C 16 (2000) 555-578 Fulltext: ep-2000-043 - PDF; arXiv:hep-ex_0107077 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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9.
(86)
Search for the sgoldstino at $\sqrt{s}$ from 189 to 202 GeV / DELPHI Collaboration
A search for the supersymmetric partner of the goldstino, the sgoldstino S, at LEP2 is presented. The production S$\gLWahlen, H
hep-ex/0102044; CERN-EP-2000-110; CERN-EP-2000-110.- Geneva : CERN, 2000 - 15 p. - Published in : Phys. Lett. B 494 (2000) 203 Fulltext: ep-2000-110 - PDF; arXiv:hep-ex_0102044 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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10.
(85)
Measurement of the semileptonic b branching fractions and average b mixing parameter in Z decays / DELPHI Collaboration
The semileptonic branching fractions for primary and cascade b decays BR(b -> lepton-), BR(b -> c -> lepton+) and BR(b -> cbar -> lepton-) were measured in hadronic Z decays collected by the DELPHI experiment at LEP. The sample was enriched in b decays using the lifetime information and various techniques were used to separate leptons from direct or cascade b decays [...]
hep-ex/0105080; CERN-EP-2000-157; CERN-EP-2000-157.- Geneva : CERN, 2001 - 40 p. - Published in : Eur. Phys. J. C 20 (2001) 455-478 Fulltext: arXiv:hep-ex_0105080 - PDF; ep-2000-157 - PDF; External link: Preprint
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.e-page 408 - Please contact the library if you need to access this document.
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