First observation and study of the K± → π±π0e+e− decay

J. R. Batley; G. Kalmus; C. Lazzeroni; D. J. Munday; M. W. Slater; S. A. Wotton; Roberta ARCIDIACONO; G. Bocquet; N. Cabibbo; A. Ceccucci; D. Cundy; V. Falaleev; M. Fidecaro; L. Gatignon; A. Gonidec; W. Kubischta; A. Maier; A. Norton; M. Patel; A. Peters; S. Balev; P. L. Frabetti; E. Gersabeck; E. Goudzovski; P. Hristov; V. Kekelidze; V. Kozhuharov; L. Litov; D. Madigozhin; M. Misheva; N. Molokanova; I. Polenkevich; Y. Potrebenikov; S. Stoynev; A. Zinchenko; E. Monnier; E. Swallow; R. Winston; P. Rubin; A. Walker; P. Dalpiaz; C. Damiani; M. Fiorini; M. Martini; F. Petrucci; M. Savrie; M. Scarpa; H. Wahl; W. Baldini; Ramusino A. Cotta; A. Gianoli; M. Calvetti; E. Celeghini; E. Iacopini; M. Lenti; G. Ruggiero; A. Bizzeti; M. Veltri; M. Behler; K. Eppard; M. Hita-Hochgesand; K. Kleinknecht; P. Marouelli; L. Masetti; U. Moosbrugger; Morales C. Morales; B. Renk; M. Wache; R. Wanke; A. Winhart; D. Coward; A. Dabrowski; Martin T. Fonseca; M. Shieh; M. Szleper; M. Velasco; M. D. Wood; G. Anzivino; E. Imbergamo; A. Nappi; M. Piccini; M. Raggi; M. Valdata-Nappi; P. Cenci; M. Pepe; M. C. Petrucci; F. Costantini; N. Doble; L. Fiorini; S. Giudici; G. Pierazzini; M. Sozzi; S. Venditti; G. Collazuol; L. DiLella; G. Lamanna; I. Mannelli; A. Michetti; C. Cerri; R. Fantechi; B. Bloch-Devaux; C. Cheshkov; J. B. Cheze; Beer M. De; J. Derre; G. Marel; E. Mazzucato; B. Peyaud; B. Vallage; M. Holder; M. Ziolkowski; S. Bifani; M. Clemencic; Lopez S. Goy; C. Biino; N. Cartiglia; F. Marchetto; H. Dibon; M. Jeitler; M. Markytan; I. Mikulec; G. Neuhofer; L. Widhalm

doi:10.1016/j.physletb.2018.11.046

First observation and study of the K± → π±π0e+e− decay

J. R. Batley, G. Kalmus, C. Lazzeroni, D. J. Munday, M. W. Slater, S. A. Wotton, Roberta ARCIDIACONO, G. Bocquet, N. Cabibbo, A. Ceccucci, D. Cundy, V. Falaleev, M. Fidecaro, L. Gatignon, A. Gonidec, W. Kubischta, A. Maier, A. Norton, M. Patel, A. PetersS. Balev, P. L. Frabetti, E. Gersabeck, E. Goudzovski, P. Hristov, V. Kekelidze, V. Kozhuharov, L. Litov, D. Madigozhin, M. Misheva, N. Molokanova, I. Polenkevich, Y. Potrebenikov, S. Stoynev, A. Zinchenko, E. Monnier, E. Swallow, R. Winston, P. Rubin, A. Walker, P. Dalpiaz, C. Damiani, M. Fiorini, M. Martini, F. Petrucci, M. Savrie, M. Scarpa, H. Wahl, W. Baldini, Ramusino A. Cotta, A. Gianoli, M. Calvetti, E. Celeghini, E. Iacopini, M. Lenti, G. Ruggiero, A. Bizzeti, M. Veltri, M. Behler, K. Eppard, M. Hita-Hochgesand, K. Kleinknecht, P. Marouelli, L. Masetti, U. Moosbrugger, Morales C. Morales, B. Renk, M. Wache, R. Wanke, A. Winhart, D. Coward, A. Dabrowski, Martin T. Fonseca, M. Shieh, M. Szleper, M. Velasco, M. D. Wood, G. Anzivino, E. Imbergamo, A. Nappi, M. Piccini, M. Raggi, M. Valdata-Nappi, P. Cenci, M. Pepe, M. C. Petrucci, F. Costantini, N. Doble, L. Fiorini, S. Giudici, G. Pierazzini, M. Sozzi, S. Venditti, G. Collazuol, L. DiLella, G. Lamanna, I. Mannelli, A. Michetti, C. Cerri, R. Fantechi, B. Bloch-Devaux, C. Cheshkov, J. B. Cheze, Beer M. De, J. Derre, G. Marel, E. Mazzucato, B. Peyaud, B. Vallage, M. Holder, M. Ziolkowski, S. Bifani, M. Clemencic, Lopez S. Goy, C. Biino, N. Cartiglia, F. Marchetto, H. Dibon, M. Jeitler, M. Markytan, I. Mikulec, G. Neuhofer, L. Widhalm

Dipartimento di Scienze del Farmaco

Risultato della ricerca: Contributo su rivista › Articolo in rivista › peer review

Abstract

The NA48/2 experiment at CERN reports the first observation of the K^±→π^±π⁰e⁺e⁻ decay from an exposure of 1.7×10¹¹ charged kaon decays recorded in 2003–2004. A sample of 4919 candidates with 4.9% background contamination allows the determination of the branching ratio in the full kinematic region, BR(K^±→π^±π⁰e⁺e⁻)=(4.24±0.14)×10⁻⁶. The study of the kinematic space shows evidence for a structure dependent contribution in agreement with predictions based on chiral perturbation theory. Several P- and CP-violating asymmetries are also evaluated.

Lingua originale	Inglese
pagine (da-a)	552-561
Numero di pagine	10
Rivista	PHYSICS LETTERS. SECTION B
Volume	788
DOI	https://doi.org/10.1016/j.physletb.2018.11.046
Stato di pubblicazione	Pubblicato - 2019

Accesso al documento

10.1016/j.physletb.2018.11.046

http://hdl.handle.net/11579/108767

Altri file e collegamenti

handle

Cita questo

Batley, J. R., Kalmus, G., Lazzeroni, C., Munday, D. J., Slater, M. W., Wotton, S. A., ARCIDIACONO, R., Bocquet, G., Cabibbo, N., Ceccucci, A., Cundy, D., Falaleev, V., Fidecaro, M., Gatignon, L., Gonidec, A., Kubischta, W., Maier, A., Norton, A., Patel, M., ... Widhalm, L. (2019). First observation and study of the K± → π±π0e+e− decay. PHYSICS LETTERS. SECTION B, 788, 552-561. https://doi.org/10.1016/j.physletb.2018.11.046

@article{ef7035497fba4f889c388f123648bf13,

title = "First observation and study of the K± → π±π0e+e− decay",

abstract = "The NA48/2 experiment at CERN reports the first observation of the K±→π±π0e+e− decay from an exposure of 1.7×1011 charged kaon decays recorded in 2003–2004. A sample of 4919 candidates with 4.9% background contamination allows the determination of the branching ratio in the full kinematic region, BR(K±→π±π0e+e−)=(4.24±0.14)×10−6. The study of the kinematic space shows evidence for a structure dependent contribution in agreement with predictions based on chiral perturbation theory. Several P- and CP-violating asymmetries are also evaluated.",

author = "Batley, {J. R.} and G. Kalmus and C. Lazzeroni and Munday, {D. J.} and Slater, {M. W.} and Wotton, {S. A.} and Roberta ARCIDIACONO and G. Bocquet and N. Cabibbo and A. Ceccucci and D. Cundy and V. Falaleev and M. Fidecaro and L. Gatignon and A. Gonidec and W. Kubischta and A. Maier and A. Norton and M. Patel and A. Peters and S. Balev and Frabetti, {P. L.} and E. Gersabeck and E. Goudzovski and P. Hristov and V. Kekelidze and V. Kozhuharov and L. Litov and D. Madigozhin and M. Misheva and N. Molokanova and I. Polenkevich and Y. Potrebenikov and S. Stoynev and A. Zinchenko and E. Monnier and E. Swallow and R. Winston and P. Rubin and A. Walker and P. Dalpiaz and C. Damiani and M. Fiorini and M. Martini and F. Petrucci and M. Savrie and M. Scarpa and H. Wahl and W. Baldini and Cotta, {Ramusino A.} and A. Gianoli and M. Calvetti and E. Celeghini and E. Iacopini and M. Lenti and G. Ruggiero and A. Bizzeti and M. Veltri and M. Behler and K. Eppard and M. Hita-Hochgesand and K. Kleinknecht and P. Marouelli and L. Masetti and U. Moosbrugger and Morales, {Morales C.} and B. Renk and M. Wache and R. Wanke and A. Winhart and D. Coward and A. Dabrowski and Fonseca, {Martin T.} and M. Shieh and M. Szleper and M. Velasco and Wood, {M. D.} and G. Anzivino and E. Imbergamo and A. Nappi and M. Piccini and M. Raggi and M. Valdata-Nappi and P. Cenci and M. Pepe and Petrucci, {M. C.} and F. Costantini and N. Doble and L. Fiorini and S. Giudici and G. Pierazzini and M. Sozzi and S. Venditti and G. Collazuol and L. DiLella and G. Lamanna and I. Mannelli and A. Michetti and C. Cerri and R. Fantechi and B. Bloch-Devaux and C. Cheshkov and Cheze, {J. B.} and De, {Beer M.} and J. Derre and G. Marel and E. Mazzucato and B. Peyaud and B. Vallage and M. Holder and M. Ziolkowski and S. Bifani and M. Clemencic and Goy, {Lopez S.} and C. Biino and N. Cartiglia and F. Marchetto and H. Dibon and M. Jeitler and M. Markytan and I. Mikulec and G. Neuhofer and L. Widhalm",

note = "Publisher Copyright: {\textcopyright} 2018 The Author(s)",

year = "2019",

doi = "10.1016/j.physletb.2018.11.046",

language = "English",

volume = "788",

pages = "552--561",

journal = "PHYSICS LETTERS. SECTION B",

issn = "0370-2693",

}

Batley, JR, Kalmus, G, Lazzeroni, C, Munday, DJ, Slater, MW, Wotton, SA, ARCIDIACONO, R, Bocquet, G, Cabibbo, N, Ceccucci, A, Cundy, D, Falaleev, V, Fidecaro, M, Gatignon, L, Gonidec, A, Kubischta, W, Maier, A, Norton, A, Patel, M, Peters, A, Balev, S, Frabetti, PL, Gersabeck, E, Goudzovski, E, Hristov, P, Kekelidze, V, Kozhuharov, V, Litov, L, Madigozhin, D, Misheva, M, Molokanova, N, Polenkevich, I, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Rubin, P, Walker, A, Dalpiaz, P, Damiani, C, Fiorini, M, Martini, M, Petrucci, F, Savrie, M, Scarpa, M, Wahl, H, Baldini, W, Cotta, RA, Gianoli, A, Calvetti, M, Celeghini, E, Iacopini, E, Lenti, M, Ruggiero, G, Bizzeti, A, Veltri, M, Behler, M, Eppard, K, Hita-Hochgesand, M, Kleinknecht, K, Marouelli, P, Masetti, L, Moosbrugger, U, Morales, MC, Renk, B, Wache, M, Wanke, R, Winhart, A, Coward, D, Dabrowski, A, Fonseca, MT, Shieh, M, Szleper, M, Velasco, M, Wood, MD, Anzivino, G, Imbergamo, E, Nappi, A, Piccini, M, Raggi, M, Valdata-Nappi, M, Cenci, P, Pepe, M, Petrucci, MC, Costantini, F, Doble, N, Fiorini, L, Giudici, S, Pierazzini, G, Sozzi, M, Venditti, S, Collazuol, G, DiLella, L, Lamanna, G, Mannelli, I, Michetti, A, Cerri, C, Fantechi, R, Bloch-Devaux, B, Cheshkov, C, Cheze, JB, De, BM, Derre, J, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Ziolkowski, M, Bifani, S, Clemencic, M, Goy, LS, Biino, C, Cartiglia, N, Marchetto, F, Dibon, H, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G & Widhalm, L 2019, 'First observation and study of the K± → π±π0e+e− decay', PHYSICS LETTERS. SECTION B, vol. 788, pagg. 552-561. https://doi.org/10.1016/j.physletb.2018.11.046

TY - JOUR

T1 - First observation and study of the K± → π±π0e+e− decay

AU - Batley, J. R.

AU - Kalmus, G.

AU - Lazzeroni, C.

AU - Munday, D. J.

AU - Slater, M. W.

AU - Wotton, S. A.

AU - ARCIDIACONO, Roberta

AU - Bocquet, G.

AU - Cabibbo, N.

AU - Ceccucci, A.

AU - Cundy, D.

AU - Falaleev, V.

AU - Fidecaro, M.

AU - Gatignon, L.

AU - Gonidec, A.

AU - Kubischta, W.

AU - Maier, A.

AU - Norton, A.

AU - Patel, M.

AU - Peters, A.

AU - Balev, S.

AU - Frabetti, P. L.

AU - Gersabeck, E.

AU - Goudzovski, E.

AU - Hristov, P.

AU - Kekelidze, V.

AU - Kozhuharov, V.

AU - Litov, L.

AU - Madigozhin, D.

AU - Misheva, M.

AU - Molokanova, N.

AU - Polenkevich, I.

AU - Potrebenikov, Y.

AU - Stoynev, S.

AU - Zinchenko, A.

AU - Monnier, E.

AU - Swallow, E.

AU - Winston, R.

AU - Rubin, P.

AU - Walker, A.

AU - Dalpiaz, P.

AU - Damiani, C.

AU - Fiorini, M.

AU - Martini, M.

AU - Petrucci, F.

AU - Savrie, M.

AU - Scarpa, M.

AU - Wahl, H.

AU - Baldini, W.

AU - Cotta, Ramusino A.

AU - Gianoli, A.

AU - Calvetti, M.

AU - Celeghini, E.

AU - Iacopini, E.

AU - Lenti, M.

AU - Ruggiero, G.

AU - Bizzeti, A.

AU - Veltri, M.

AU - Behler, M.

AU - Eppard, K.

AU - Hita-Hochgesand, M.

AU - Kleinknecht, K.

AU - Marouelli, P.

AU - Masetti, L.

AU - Moosbrugger, U.

AU - Morales, Morales C.

AU - Renk, B.

AU - Wache, M.

AU - Wanke, R.

AU - Winhart, A.

AU - Coward, D.

AU - Dabrowski, A.

AU - Fonseca, Martin T.

AU - Shieh, M.

AU - Szleper, M.

AU - Velasco, M.

AU - Wood, M. D.

AU - Anzivino, G.

AU - Imbergamo, E.

AU - Nappi, A.

AU - Piccini, M.

AU - Raggi, M.

AU - Valdata-Nappi, M.

AU - Cenci, P.

AU - Pepe, M.

AU - Petrucci, M. C.

AU - Costantini, F.

AU - Doble, N.

AU - Fiorini, L.

AU - Giudici, S.

AU - Pierazzini, G.

AU - Sozzi, M.

AU - Venditti, S.

AU - Collazuol, G.

AU - DiLella, L.

AU - Lamanna, G.

AU - Mannelli, I.

AU - Michetti, A.

AU - Cerri, C.

AU - Fantechi, R.

AU - Bloch-Devaux, B.

AU - Cheshkov, C.

AU - Cheze, J. B.

AU - De, Beer M.

AU - Derre, J.

AU - Marel, G.

AU - Mazzucato, E.

AU - Peyaud, B.

AU - Vallage, B.

AU - Holder, M.

AU - Ziolkowski, M.

AU - Bifani, S.

AU - Clemencic, M.

AU - Goy, Lopez S.

AU - Biino, C.

AU - Cartiglia, N.

AU - Marchetto, F.

AU - Dibon, H.

AU - Jeitler, M.

AU - Markytan, M.

AU - Mikulec, I.

AU - Neuhofer, G.

AU - Widhalm, L.

PY - 2019

Y1 - 2019

N2 - The NA48/2 experiment at CERN reports the first observation of the K±→π±π0e+e− decay from an exposure of 1.7×1011 charged kaon decays recorded in 2003–2004. A sample of 4919 candidates with 4.9% background contamination allows the determination of the branching ratio in the full kinematic region, BR(K±→π±π0e+e−)=(4.24±0.14)×10−6. The study of the kinematic space shows evidence for a structure dependent contribution in agreement with predictions based on chiral perturbation theory. Several P- and CP-violating asymmetries are also evaluated.

AB - The NA48/2 experiment at CERN reports the first observation of the K±→π±π0e+e− decay from an exposure of 1.7×1011 charged kaon decays recorded in 2003–2004. A sample of 4919 candidates with 4.9% background contamination allows the determination of the branching ratio in the full kinematic region, BR(K±→π±π0e+e−)=(4.24±0.14)×10−6. The study of the kinematic space shows evidence for a structure dependent contribution in agreement with predictions based on chiral perturbation theory. Several P- and CP-violating asymmetries are also evaluated.

UR - https://iris.uniupo.it/handle/11579/108767

U2 - 10.1016/j.physletb.2018.11.046

DO - 10.1016/j.physletb.2018.11.046

M3 - Article

SN - 0370-2693

VL - 788

SP - 552

EP - 561

JO - PHYSICS LETTERS. SECTION B

JF - PHYSICS LETTERS. SECTION B

ER -

First observation and study of the K± → π±π0e+e− decay

Abstract

Accesso al documento

Altri file e collegamenti

Fingerprint

Cita questo

First observation and study of the K± → π±π0e+e− decay