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Test of CPT and Lorentz symmetry in entangled neutral kaons with the KLOE experiment

Babusci, D. (author)
Balwierz-Pytko, I. (author)
Bencivenni, G. (author)
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Bloise, C. (author)
Bossi, F. (author)
Branchini, P. (author)
Budano, A. (author)
Balkestahl, L. Caldeira (author)
Uppsala universitet,Kärnfysik
Capon, G. (author)
Ceradini, F. (author)
Ciambrone, P. (author)
Curciarello, F. (author)
Czerwinski, E. (author)
Dane, E. (author)
De Leo, V. (author)
De Lucia, E. (author)
De Robertis, G. (author)
De Santis, A. (author)
De Simone, P. (author)
Di Cicco, A. (author)
Di Domenico, A. (author)
Di Donato, C. (author)
Di Salvo, R. (author)
Domenici, D. (author)
Erriquez, O. (author)
Fanizzi, G. (author)
Fantini, A. (author)
Felici, G. (author)
Fiore, S. (author)
Franzini, P. (author)
Gajos, A. (author)
Gauzzi, P. (author)
Giardina, G. (author)
Giovannella, S. (author)
Graziani, E. (author)
Happacher, F. (author)
Heijkenskjold, Lena (author)
Uppsala universitet,Kärnfysik
Höistad, Bo (author)
Uppsala universitet,Kärnfysik
Jacewicz, Marek (author)
Uppsala universitet,Högenergifysik
Johansson, Tord (author)
Uppsala universitet,Kärnfysik
Kacprzak, K. (author)
Kaminska, G. D. (author)
Kupsc, Andrzej (author)
Uppsala universitet,Kärnfysik
Lee-Franzini, J. (author)
Loddo, F. (author)
Loffredo, S. (author)
Mandaglio, G. (author)
Martemianov, M. (author)
Martini, M. (author)
Mascolo, M. (author)
Messi, R. (author)
Miscetti, S. (author)
Morello, G. (author)
Moricciani, D. (author)
Moskal, R. (author)
Nguyen, F. (author)
Palladino, A. (author)
Passeri, A. (author)
Patera, V. (author)
Longhi, I. Prado (author)
Ranieri, A. (author)
Santangelo, R. (author)
Sarra, I. (author)
Schioppa, M. (author)
Sciascia, B. (author)
Silarski, M. (author)
Taccini, C. (author)
Tortora, L. (author)
Venanzoni, G. (author)
Wislicki, W. (author)
Wolke, Magnus (author)
Uppsala universitet,Kärnfysik
Zdebik, J. (author)
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 (creator_code:org_t)
Elsevier BV, 2014
2014
English.
In: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 730, s. 89-94
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Neutral kaon pairs produced in phi decays in anti-symmetric entangled state can be exploited to search for violation of CPT symmetry and Lorentz invariance. We present an analysis of the CP-violating process phi -> KSKL -> pi(+)pi(-)pi(+)pi(-) based on 1.7 fb(-1) of data collected by the KLOE experiment at the Frascati phi-factory DA Phi NE. The data are used to perform a Measurement of the CPT-violating parameters Delta a(mu) for neutral kaons in the context of the Standard Model Extension framework. The parameters measured in the reference frame of the fixed stars are: Delta a(0) = (-6.0 +/- 7.7(stat)+/- 3.1(syst)) X 10(-18) GeV, Delta a(x) = (0.9 +/- 1.5(stat)+/- 0.6(syst)) X 10(-18) GeV, Delta a(y) = (-2.0 +/- 1.5(stat)+/- 0.5(syst)) X 10(-18) GeV, Delta a(z) = (3.1 +/- 1.7(stat)+/- 0.5(syst)) X 10(-18) GeV. These are presently the most precise measurements in the quark sector of the Standard Model Extension. (C) 2014 The Authors. Published by Elsevier B.V.

Subject headings

NATURVETENSKAP  -- Fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Keyword

CPT symmetry
Lorentz symmetry
Neutral kaons
phi-Factory

Publication and Content Type

ref (subject category)
art (subject category)

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