Search for direct CP violating charge asymmetries in K±->π±π+π- and K±->π±π0π0 decays
- Batley JR
- Culling AJ
- Kalmus G
- Lazzeroni C
- Munday DJ
- Slater MW
- Wotton SA
- Arcidiacono Roberta
- Bocquet G
- Cabibbo Nicola
- Ceccucci A
- Cundy D
- Falaleev V
- Fidecaro M
- Gatignon L
- Gonidec A
- Kubischta W
- Norton Alan Robert
- Maier A
- Patel M
- Peters A
- Balev Spasimir
- Frabetti Pierluigi
- Goudzovski E
- Hristov P
- Kekelidze V
- Kozhuharov V
- Litov L
- Madigozhin D
- Marinova E
- Molokanova N
- Polenkevich I
- Potrebenikov Y
- Stoynev S
- Zinchenko A
- Monnier E
- Swallow E
- Rubin P
- Walker A
- Baldini Wander
- Cotta Ramusino Angelo
- Dalpiaz Pietro
- Damiani Chiara
- Fiorini Massimiliano
- Gianoli Alberto
- Martini Marco
- Petrucci Ferruccio
- Savrie' Mauro
- Scarpa Marcella
- Wahl Heinrich
- Bizzeti Andrea
- Calvetti Mario
- Celeghini Enrico
- Iacopini Enrico
- Lenti Massimo
- Ruggiero Giuseppe
- Behler M
- Eppard K
- Kleinknecht K
- Marouelli P
- Masetti Lorenzo
- Moosbrugger U
- Morales CM
- Renk B
- Wache M
- Wanke R
- Winhart A
- Coward D
- Dabrowski A
- Martin TF
- Shieh M
- Szleper M
- Velasco M
- Wood MD
- Anzivino Giuseppina
- Cenci Patrizia
- Imbergamo Ermanno
- Nappi Aniello
- Pepe Monica
- Petrucci Maria Carmela
- Piccini Mauro
- Raggi Mauro
- Valdata Marisa
- Cerri Claudio
- Collazuol Gianmaria
- Costantini Flavio
- DiLella L
- Doble N
- Fantechi Riccardo
- Fiorini Luca
- Giudici Sergio
- Lamanna Gianluca
- Mannelli Italo
- Michetti Andrea
- Pierazzini Giuseppe
- Sozzi Marco
- Bloch Devaux B
- Cheshkov C
- Cheze JB
- De Beer M
- Derre J
- Marel G
- Mazzucato E
- Peyaud B
- Vallage B
- Holder M
- Ziolkowski M
- Bifani Simone
- Biino Cristina
- Cartiglia Nicolo'
- Clemencic Marco
- Goy Lopez Silvia
- Marchetto Flavio Pietro
- Dibon H
- Jeitler M
- Markytan M
- Mikulec I
- Neuhofer G
- Widhalm L.
- MARTELLI, FILIPPO
- VELTRI, MICHELE
Publication date
January 2007
DOI ISSN
1434-6044 Citation count (estimate)
37Abstract
A measurement of the direct CP violating charge asymmetries of the Dalitz plot linear slopes Ag = (g(+) - g(-))/(g(+) + g(-)) in K-+/- -> pi(+/-) pi(+) pi(-) and K-+/- -> pi(+/-) pi(0) pi(0) decays by the NA48/2 experiment at CERN SPS is presented. A new technique of asymmetry measurement involving simultaneous K+ and K- beams and a large data sample collected allowed a result of an unprecedented precision. The charge asymmetries were measured to be A(g)(c) = (-1.5 +/- 2.2) x 10(-4) with 3.11 x 10(9) K-+/- -> pi(+/-) pi(+) pi(-) decays, and A(g)(n) = (1.8 +/- 1.8) x 10(-4) with 9.13 x 10(7) K-+/- -> pi(+/-) pi(0) pi(0) decays. The precision of the results is limited mainly by the size of the data sample
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