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A new limit on the ...
A new limit on the CP violating decay K-S -> 3 pi(0) with the KLOE experiment
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Babusci, D. (author)
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Badoni, D. (author)
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Balwierz-Pytko, I. (author)
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show more...
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Bencivenni, G. (author)
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Bini, C. (author)
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Bloise, C. (author)
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Bossi, F. (author)
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Branchini, P. (author)
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Budano, A. (author)
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- Balkestahl, Li Caldeira (author)
- Uppsala universitet,Kärnfysik
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Capon, G. (author)
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Ceradini, F. (author)
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Ciambrone, R. (author)
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Curciarello, F. (author)
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Czerwiriski, E. (author)
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Dane, E. (author)
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De Leo, V. (author)
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De Lucia, E. (author)
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De Robertis, G. (author)
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De Santis, A. (author)
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Di Domenico, A. (author)
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Di Donato, C. (author)
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Di Salvo, R. (author)
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Domenici, D. (author)
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Erriquez, O. (author)
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Fanizzi, G. (author)
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Fantini, A. (author)
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Felici, G. (author)
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Fiore, S. (author)
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Franzini, P. (author)
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Gauzzi, P. (author)
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Giardina, G. (author)
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Giovannella, S. (author)
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Gonnella, F. (author)
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Graziani, E. (author)
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Happacher, F. (author)
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- Heijkenskjöld, Lena (author)
- Uppsala universitet,Kärnfysik
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- Höistad, Bo (author)
- Uppsala universitet,Kärnfysik
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Iafolla, L. (author)
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- Jacewicz, Marek (author)
- Uppsala universitet,Högenergifysik
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- Johansson, Tord (author)
- Uppsala universitet,Kärnfysik
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Kacprzak, K. (author)
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- Kupsc, Andrzej (author)
- Uppsala universitet,Kärnfysik
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Lee-Franzini, J. (author)
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Leverington, B. (author)
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Loddo, F. (author)
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Loffredo, S. (author)
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Mandaglio, G. (author)
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Martemianov, M. (author)
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Martini, M. (author)
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Mascolo, M. (author)
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Messi, R. (author)
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Miscetti, S. (author)
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Morello, G. (author)
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Moricciahi, D. (author)
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Moskal, P. (author)
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Nguyen, F. (author)
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Passeriu, A. (author)
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Patera, V. (author)
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Longhi, I. Prado (author)
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Ranieri, A. (author)
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Redmer, C. F. (author)
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Santangelo, P. (author)
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Sarra, I. (author)
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Schioppa, M. (author)
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Sciascia, B. (author)
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Silarski, M. (author)
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Taccini, C. (author)
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Tortora, L. (author)
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Venanzoni, G. (author)
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Wislicki, W. (author)
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- Wolke, Magnus (author)
- Uppsala universitet,Kärnfysik
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Zdebik, J. (author)
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(creator_code:org_t)
- Elsevier BV, 2013
- 2013
- English.
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In: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 723:1-3, s. 54-60
- Related links:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- We have carried out a new direct search for the CP violating decay K-S -> 3 pi(0) with 1.7 fb(-1) of e(+)e(-) collisions collected by the KLOE detector at the Phi-factory DA Phi NE. We have searched for this decay in a sample of about 5.9 x 10(8) KSKL events tagging the K-S by means of the K-L interaction in the calorimeter and requiring six prompt photons. With respect to our previous search, the analysis has been improved by increasing of a factor four the tagged sample and by a more effective background rejection of fake K-S tags and spurious clusters. We find no candidates in data and simulated background samples, while we expect 0.12 standard model events. Normalizing to the number of K-S -> 2 pi(0) events in the same sample, we set the upper limit on BR(K-S -> 3 pi(0)) <= 2.6 x 10(-8) at 90% C.L., five times lower than the previous limit. We also set the upper limit on the eta(000) parameter, vertical bar eta(000)vertical bar <= 0.0088 at 90% C.L., improving by a factor two the latest direct measurement. (c) 2013 Elsevier B.V. All rights reserved.
Keyword
- e(+)e(-) collisions
- DA Phi NE
- KLOE
- Rare K-S decays
- CP
- CPT
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Babusci, D.
-
Badoni, D.
-
Balwierz-Pytko, ...
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Bencivenni, G.
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Bini, C.
-
Bloise, C.
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show more...
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Bossi, F.
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Branchini, P.
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Budano, A.
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Balkestahl, Li C ...
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Capon, G.
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Ceradini, F.
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Ciambrone, R.
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Curciarello, F.
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Czerwiriski, E.
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Dane, E.
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De Leo, V.
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De Lucia, E.
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De Robertis, G.
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De Santis, A.
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Di Domenico, A.
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Di Donato, C.
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Di Salvo, R.
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Domenici, D.
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Erriquez, O.
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Fanizzi, G.
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Fantini, A.
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Felici, G.
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Fiore, S.
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Franzini, P.
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Gauzzi, P.
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Giardina, G.
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Giovannella, S.
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Gonnella, F.
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Graziani, E.
-
Happacher, F.
-
Heijkenskjöld, L ...
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Höistad, Bo
-
Iafolla, L.
-
Jacewicz, Marek
-
Johansson, Tord
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Kacprzak, K.
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Kupsc, Andrzej
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Lee-Franzini, J.
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Leverington, B.
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Loddo, F.
-
Loffredo, S.
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Mandaglio, G.
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Martemianov, M.
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Martini, M.
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Mascolo, M.
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Messi, R.
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Miscetti, S.
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Morello, G.
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Moricciahi, D.
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Moskal, P.
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Nguyen, F.
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Passeriu, A.
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Patera, V.
-
Longhi, I. Prado
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Ranieri, A.
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Redmer, C. F.
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Santangelo, P.
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Sarra, I.
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Schioppa, M.
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Sciascia, B.
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Silarski, M.
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Taccini, C.
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Tortora, L.
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Venanzoni, G.
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Wislicki, W.
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Wolke, Magnus
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Zdebik, J.
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show less...
- Articles in the publication
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Physics Letters ...
- By the university
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Uppsala University