Search for CP violation in K0→3π0 decays

A. Lai; D. Marras; J. R. Batley; R. S. Dosanjh; T. J. Gershon; G. E. Kalmus; C. Lazzeroni; D. J. Munday; E. Olaiya; M. A. Parker; T. O. White; S. A. Wotton; R. Arcidiacono; G. Barr; G. Bocquet; A. Ceccucci; T. Cuhadar-Dönszelmann; D. Cundy; N. Doble; V. Falaleev; L. Gatignon; A. Gonidec; B. Gorini; P. Grafström; W. Kubischta; A. Lacourt; I. Mikulec; A. Norton; B. Panzer-Steindel; G. Tatishvili; H. Wahl; C. Cheshkov; P. Hristov; V. Kekelidze; D. Madigojine; N. Molokanova; Yu Potrebenikov; A. Zinchenko; V. Martin; P. Rubin; R. Sacco; A. Walker; M. Contalbrigo; P. Dalpiaz; J. Duclos; M. Fiorini; P. L. Frabetti; A. Gianoli; M. Martini; F. Petrucci; M. Savrié; A. Bizzeti; M. Calvetti; G. Collazuol; G. Graziani; E. Iacopini; M. Lenti; F. Martelli; M. Veltri; K. Eppard; M. Eppard; A. Hirstius; K. Kleinknecht; U. Koch; L. Köpke; P. Lopes Da Silva; P. Marouelli; I. Mestvirishvili; I. Pellmann; A. Peters; S. A. Schmidt; V. Schönharting; Y. Schué; R. Wanke; A. Winhart; M. Wittgen; J. C. Chollet; L. Fayard; L. Iconomidou-Fayard; G. Unal; I. Wingerter-Seez; G. Anzivino; P. Cenci; E. Imbergamo; P. Lubrano; A. Mestvirishvili; A. Nappi; M. Pepe; M. Piccini; R. Casali; C. Cerri; M. Cirilli; F. Costantini; R. Fantechi; L. Fiorini; S. Giudici; I. Mannelli; G. Pierazzini; M. Sozzi; J. B. Cheze; M. De Beer; P. Debu; F. Derue; A. Formica; R. Granier De Cassagnac; G. Gouge; G. Marel; E. Mazzucato; B. Peyaud; R. Turlay; B. Vallage; M. Holder; A. Maier; M. Ziolkowski; C. Biino; N. Cartiglia; F. Marchetto; E. Menichetti; N. Pastrone; J. Nassalski; E. Rondio; M. Szleper; W. Wislicki; S. Wronka; H. Dibon; M. Jeitler; M. Markytan; G. Neuhofer; M. Pernicka; A. Taurok; L. Widhalm

doi:10.1016/j.physletb.2005.01.065

Search for CP violation in K⁰→3π⁰ decays

A. Lai
, D. Marras
, J. R. Batley
, R. S. Dosanjh
, T. J. Gershon
, G. E. Kalmus
, C. Lazzeroni
, D. J. Munday
, E. Olaiya
, M. A. Parker
, T. O. White
, S. A. Wotton
, R. Arcidiacono
, G. Barr
, G. Bocquet
, A. Ceccucci
, T. Cuhadar-Dönszelmann
, D. Cundy
, N. Doble
, V. Falaleev

L. Gatignon, A. Gonidec, B. Gorini, P. Grafström, W. Kubischta, A. Lacourt, I. Mikulec, A. Norton, B. Panzer-Steindel, G. Tatishvili, H. Wahl, C. Cheshkov, P. Hristov, V. Kekelidze, D. Madigojine, N. Molokanova, Yu Potrebenikov, A. Zinchenko, V. Martin, P. Rubin, R. Sacco, A. Walker, M. Contalbrigo, P. Dalpiaz, J. Duclos, M. Fiorini, P. L. Frabetti, A. Gianoli, M. Martini, F. Petrucci, M. Savrié, A. Bizzeti, M. Calvetti, G. Collazuol, G. Graziani, E. Iacopini, M. Lenti, F. Martelli, M. Veltri, K. Eppard, M. Eppard, A. Hirstius, K. Kleinknecht, U. Koch, L. Köpke, P. Lopes Da Silva, P. Marouelli, I. Mestvirishvili, I. Pellmann, A. Peters, S. A. Schmidt, V. Schönharting, Y. Schué, R. Wanke, A. Winhart, M. Wittgen, J. C. Chollet, L. Fayard, L. Iconomidou-Fayard, G. Unal, I. Wingerter-Seez, G. Anzivino, P. Cenci, E. Imbergamo, P. Lubrano, A. Mestvirishvili, A. Nappi, M. Pepe, M. Piccini, R. Casali, C. Cerri, M. Cirilli, F. Costantini, R. Fantechi, L. Fiorini, S. Giudici, I. Mannelli, G. Pierazzini, M. Sozzi, J. B. Cheze, M. De Beer, P. Debu, F. Derue, A. Formica, R. Granier De Cassagnac, G. Gouge, G. Marel, E. Mazzucato, B. Peyaud, R. Turlay, B. Vallage, M. Holder, A. Maier, M. Ziolkowski, C. Biino, N. Cartiglia, F. Marchetto, E. Menichetti, N. Pastrone, J. Nassalski, E. Rondio, M. Szleper, W. Wislicki, S. Wronka, H. Dibon, M. Jeitler, M. Markytan, G. Neuhofer, M. Pernicka, A. Taurok, L. Widhalm

Research output: Contribution to journal › Article › peer-review

Abstract

Using data taken during the year 2000 with the NA48 detector at the CERN SPS, a search for the CP violating decay K_S→3π⁰ has been performed. From a fit to the lifetime distribution of about 4.9 million reconstructed K⁰/K̄⁰→3π⁰ decays, the CP violating amplitude η000=A(K_S→3π⁰)/ A(K_L→3π⁰) has been found to be Re(η000)=-0.002±0.011±0.015 and Im(η000)=-0.003±0. 013±0.017. This corresponds to an upper limit on the branching fraction of Br(K_S→3π⁰)<7.4×10^-7 at 90% confidence level. The result is used to improve knowledge of Re(ε) and the CPT violating quantity Im(δ) via the Bell-Steinberger relation.

Original language	English
Pages (from-to)	165-176
Number of pages	12
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	610
Issue number	3-4
DOIs	https://doi.org/10.1016/j.physletb.2005.01.065
Publication status	Published - 24 Mar 2005

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10.1016/j.physletb.2005.01.065

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Lai, A., Marras, D., Batley, J. R., Dosanjh, R. S., Gershon, T. J., Kalmus, G. E., Lazzeroni, C., Munday, D. J., Olaiya, E., Parker, M. A., White, T. O., Wotton, S. A., Arcidiacono, R., Barr, G., Bocquet, G., Ceccucci, A., Cuhadar-Dönszelmann, T., Cundy, D., Doble, N., ... Widhalm, L. (2005). Search for CP violation in K⁰→3π⁰ decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 610(3-4), 165-176. https://doi.org/10.1016/j.physletb.2005.01.065

@article{39b44ef2c1a04eb2b2dcf333ced414cc,

title = "Search for CP violation in K0→3π0 decays",

abstract = "Using data taken during the year 2000 with the NA48 detector at the CERN SPS, a search for the CP violating decay KS→3π0 has been performed. From a fit to the lifetime distribution of about 4.9 million reconstructed K0/{\=K}0→3π0 decays, the CP violating amplitude η000=A(KS→3π0)/ A(KL→3π0) has been found to be Re(η000)=-0.002±0.011±0.015 and Im(η000)=-0.003±0. 013±0.017. This corresponds to an upper limit on the branching fraction of Br(KS→3π0)<7.4×10-7 at 90\% confidence level. The result is used to improve knowledge of Re(ε) and the CPT violating quantity Im(δ) via the Bell-Steinberger relation.",

author = "A. Lai and D. Marras and Batley, \{J. R.\} and Dosanjh, \{R. S.\} and Gershon, \{T. J.\} and Kalmus, \{G. E.\} and C. Lazzeroni and Munday, \{D. J.\} and E. Olaiya and Parker, \{M. A.\} and White, \{T. O.\} and Wotton, \{S. A.\} and R. Arcidiacono and G. Barr and G. Bocquet and A. Ceccucci and T. Cuhadar-D{\"o}nszelmann and D. Cundy and N. Doble and V. Falaleev and L. Gatignon and A. Gonidec and B. Gorini and P. Grafstr{\"o}m and W. Kubischta and A. Lacourt and I. Mikulec and A. Norton and B. Panzer-Steindel and G. Tatishvili and H. Wahl and C. Cheshkov and P. Hristov and V. Kekelidze and D. Madigojine and N. Molokanova and Yu Potrebenikov and A. Zinchenko and V. Martin and P. Rubin and R. Sacco and A. Walker and M. Contalbrigo and P. Dalpiaz and J. Duclos and M. Fiorini and Frabetti, \{P. L.\} and A. Gianoli and M. Martini and F. Petrucci and M. Savri{\'e} and A. Bizzeti and M. Calvetti and G. Collazuol and G. Graziani and E. Iacopini and M. Lenti and F. Martelli and M. Veltri and K. Eppard and M. Eppard and A. Hirstius and K. Kleinknecht and U. Koch and L. K{\"o}pke and \{Lopes Da Silva\}, P. and P. Marouelli and I. Mestvirishvili and I. Pellmann and A. Peters and Schmidt, \{S. A.\} and V. Sch{\"o}nharting and Y. Schu{\'e} and R. Wanke and A. Winhart and M. Wittgen and Chollet, \{J. C.\} and L. Fayard and L. Iconomidou-Fayard and G. Unal and I. Wingerter-Seez and G. Anzivino and P. Cenci and E. Imbergamo and P. Lubrano and A. Mestvirishvili and A. Nappi and M. Pepe and M. Piccini and R. Casali and C. Cerri and M. Cirilli and F. Costantini and R. Fantechi and L. Fiorini and S. Giudici and I. Mannelli and G. Pierazzini and M. Sozzi and Cheze, \{J. B.\} and \{De Beer\}, M. and P. Debu and F. Derue and A. Formica and \{Granier De Cassagnac\}, R. and G. Gouge and G. Marel and E. Mazzucato and B. Peyaud and R. Turlay and B. Vallage and M. Holder and A. Maier and M. Ziolkowski and C. Biino and N. Cartiglia and F. Marchetto and E. Menichetti and N. Pastrone and J. Nassalski and E. Rondio and M. Szleper and W. Wislicki and S. Wronka and H. Dibon and M. Jeitler and M. Markytan and G. Neuhofer and M. Pernicka and A. Taurok and L. Widhalm",

year = "2005",

month = mar,

day = "24",

doi = "10.1016/j.physletb.2005.01.065",

language = "English",

volume = "610",

pages = "165--176",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

number = "3-4",

}

Lai, A, Marras, D, Batley, JR, Dosanjh, RS, Gershon, TJ, Kalmus, GE, Lazzeroni, C, Munday, DJ, Olaiya, E, Parker, MA, White, TO, Wotton, SA, Arcidiacono, R, Barr, G, Bocquet, G, Ceccucci, A, Cuhadar-Dönszelmann, T, Cundy, D, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Gorini, B, Grafström, P, Kubischta, W, Lacourt, A, Mikulec, I, Norton, A, Panzer-Steindel, B, Tatishvili, G, Wahl, H, Cheshkov, C, Hristov, P, Kekelidze, V, Madigojine, D, Molokanova, N, Potrebenikov, Y, Zinchenko, A, Martin, V, Rubin, P, Sacco, R, Walker, A, Contalbrigo, M, Dalpiaz, P, Duclos, J, Fiorini, M, Frabetti, PL, Gianoli, A, Martini, M, Petrucci, F, Savrié, M, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Iacopini, E, Lenti, M, Martelli, F, Veltri, M, Eppard, K, Eppard, M, Hirstius, A, Kleinknecht, K, Koch, U, Köpke, L, Lopes Da Silva, P, Marouelli, P, Mestvirishvili, I, Pellmann, I, Peters, A, Schmidt, SA, Schönharting, V, Schué, Y, Wanke, R, Winhart, A, Wittgen, M, Chollet, JC, Fayard, L, Iconomidou-Fayard, L, Unal, G, Wingerter-Seez, I, Anzivino, G, Cenci, P, Imbergamo, E, Lubrano, P, Mestvirishvili, A, Nappi, A, Pepe, M, Piccini, M, Casali, R, Cerri, C, Cirilli, M, Costantini, F, Fantechi, R, Fiorini, L, Giudici, S, Mannelli, I, Pierazzini, G, Sozzi, M, Cheze, JB, De Beer, M, Debu, P, Derue, F, Formica, A, Granier De Cassagnac, R, Gouge, G, Marel, G, Mazzucato, E, Peyaud, B, Turlay, R, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Biino, C, Cartiglia, N, Marchetto, F, Menichetti, E, Pastrone, N, Nassalski, J, Rondio, E, Szleper, M, Wislicki, W, Wronka, S, Dibon, H, Jeitler, M, Markytan, M, Neuhofer, G, Pernicka, M, Taurok, A & Widhalm, L 2005, 'Search for CP violation in K⁰→3π⁰ decays', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 610, no. 3-4, pp. 165-176. https://doi.org/10.1016/j.physletb.2005.01.065

TY - JOUR

T1 - Search for CP violation in K0→3π0 decays

AU - Lai, A.

AU - Marras, D.

AU - Batley, J. R.

AU - Dosanjh, R. S.

AU - Gershon, T. J.

AU - Kalmus, G. E.

AU - Lazzeroni, C.

AU - Munday, D. J.

AU - Olaiya, E.

AU - Parker, M. A.

AU - White, T. O.

AU - Wotton, S. A.

AU - Arcidiacono, R.

AU - Barr, G.

AU - Bocquet, G.

AU - Ceccucci, A.

AU - Cuhadar-Dönszelmann, T.

AU - Cundy, D.

AU - Doble, N.

AU - Falaleev, V.

AU - Gatignon, L.

AU - Gonidec, A.

AU - Gorini, B.

AU - Grafström, P.

AU - Kubischta, W.

AU - Lacourt, A.

AU - Mikulec, I.

AU - Norton, A.

AU - Panzer-Steindel, B.

AU - Tatishvili, G.

AU - Wahl, H.

AU - Cheshkov, C.

AU - Hristov, P.

AU - Kekelidze, V.

AU - Madigojine, D.

AU - Molokanova, N.

AU - Potrebenikov, Yu

AU - Zinchenko, A.

AU - Martin, V.

AU - Rubin, P.

AU - Sacco, R.

AU - Walker, A.

AU - Contalbrigo, M.

AU - Dalpiaz, P.

AU - Duclos, J.

AU - Fiorini, M.

AU - Frabetti, P. L.

AU - Gianoli, A.

AU - Martini, M.

AU - Petrucci, F.

AU - Savrié, M.

AU - Bizzeti, A.

AU - Calvetti, M.

AU - Collazuol, G.

AU - Graziani, G.

AU - Iacopini, E.

AU - Lenti, M.

AU - Martelli, F.

AU - Veltri, M.

AU - Eppard, K.

AU - Eppard, M.

AU - Hirstius, A.

AU - Kleinknecht, K.

AU - Koch, U.

AU - Köpke, L.

AU - Lopes Da Silva, P.

AU - Marouelli, P.

AU - Mestvirishvili, I.

AU - Pellmann, I.

AU - Peters, A.

AU - Schmidt, S. A.

AU - Schönharting, V.

AU - Schué, Y.

AU - Wanke, R.

AU - Winhart, A.

AU - Wittgen, M.

AU - Chollet, J. C.

AU - Fayard, L.

AU - Iconomidou-Fayard, L.

AU - Unal, G.

AU - Wingerter-Seez, I.

AU - Anzivino, G.

AU - Cenci, P.

AU - Imbergamo, E.

AU - Lubrano, P.

AU - Mestvirishvili, A.

AU - Nappi, A.

AU - Pepe, M.

AU - Piccini, M.

AU - Casali, R.

AU - Cerri, C.

AU - Cirilli, M.

AU - Costantini, F.

AU - Fantechi, R.

AU - Fiorini, L.

AU - Giudici, S.

AU - Mannelli, I.

AU - Pierazzini, G.

AU - Sozzi, M.

AU - Cheze, J. B.

AU - De Beer, M.

AU - Debu, P.

AU - Derue, F.

AU - Formica, A.

AU - Granier De Cassagnac, R.

AU - Gouge, G.

AU - Marel, G.

AU - Mazzucato, E.

AU - Peyaud, B.

AU - Turlay, R.

AU - Vallage, B.

AU - Holder, M.

AU - Maier, A.

AU - Ziolkowski, M.

AU - Biino, C.

AU - Cartiglia, N.

AU - Marchetto, F.

AU - Menichetti, E.

AU - Pastrone, N.

AU - Nassalski, J.

AU - Rondio, E.

AU - Szleper, M.

AU - Wislicki, W.

AU - Wronka, S.

AU - Dibon, H.

AU - Jeitler, M.

AU - Markytan, M.

AU - Neuhofer, G.

AU - Pernicka, M.

AU - Taurok, A.

AU - Widhalm, L.

PY - 2005/3/24

Y1 - 2005/3/24

N2 - Using data taken during the year 2000 with the NA48 detector at the CERN SPS, a search for the CP violating decay KS→3π0 has been performed. From a fit to the lifetime distribution of about 4.9 million reconstructed K0/K̄0→3π0 decays, the CP violating amplitude η000=A(KS→3π0)/ A(KL→3π0) has been found to be Re(η000)=-0.002±0.011±0.015 and Im(η000)=-0.003±0. 013±0.017. This corresponds to an upper limit on the branching fraction of Br(KS→3π0)<7.4×10-7 at 90% confidence level. The result is used to improve knowledge of Re(ε) and the CPT violating quantity Im(δ) via the Bell-Steinberger relation.

AB - Using data taken during the year 2000 with the NA48 detector at the CERN SPS, a search for the CP violating decay KS→3π0 has been performed. From a fit to the lifetime distribution of about 4.9 million reconstructed K0/K̄0→3π0 decays, the CP violating amplitude η000=A(KS→3π0)/ A(KL→3π0) has been found to be Re(η000)=-0.002±0.011±0.015 and Im(η000)=-0.003±0. 013±0.017. This corresponds to an upper limit on the branching fraction of Br(KS→3π0)<7.4×10-7 at 90% confidence level. The result is used to improve knowledge of Re(ε) and the CPT violating quantity Im(δ) via the Bell-Steinberger relation.

U2 - 10.1016/j.physletb.2005.01.065

DO - 10.1016/j.physletb.2005.01.065

M3 - Article

AN - SCOPUS:20044365587

SN - 0370-2693

VL - 610

SP - 165

EP - 176

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 3-4

ER -

Search for CP violation in K0→3π0 decays

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Search for CP violation in K⁰→3π⁰ decays