Measurement of the branching ratios of the decays Ξ0 → Σ+ e- over(ν, ̄)e and over(Ξ0, -) → over(Σ+, -) e+ νe

J. R. Batley; G. E. Kalmus; C. Lazzeroni; D. J. Munday; M. Patel; M. W. Slater; S. A. Wotton; R. Arcidiacono; G. Bocquet; A. Ceccucci; D. Cundy; N. Doble; V. Falaleev; L. Gatignon; A. Gonidec; P. Grafström; W. Kubischta; F. Marchetto; I. Mikulec; A. Norton; B. Panzer-Steindel; P. Rubin; H. Wahl; E. Goudzovski; P. Hristov; V. Kekelidze; L. Litov; D. Madigozhin; N. Molokanova; Yu Potrebenikov; S. Stoynev; A. Zinchenko; E. Monnier; E. C. Swallow; R. Winston; R. Sacco; A. Walker; W. Baldini; P. Dalpiaz; P. L. Frabetti; A. Gianoli; M. Martini; F. Petrucci; M. Scarpa; M. Savrié; A. Bizzeti; M. Calvetti; G. Collazuol; E. Iacopini; M. Lenti; G. Ruggiero; M. Veltri; M. Behler; K. Eppard; M. Eppard; A. Hirstius; K. Kleinknecht; U. Koch; L. Masetti; P. Marouelli; U. Moosbrugger; C. Morales Morales; A. Peters; R. Wanke; A. Winhart; A. Dabrowski; T. Fonseca Martin; M. Velasco; G. Anzivino; P. Cenci; E. Imbergamo; G. Lamanna; P. Lubrano; A. Michetti; A. Nappi; M. Pepe; M. C. Petrucci; M. Piccini; M. Valdata; C. Cerri; F. Costantini; R. Fantechi; L. Fiorini; S. Giudici; I. Mannelli; G. Pierazzini; M. Sozzi; C. Cheshkov; J. B. Cheze; M. De Beer; P. Debu; G. Gouge; G. Marel; E. Mazzucato; B. Peyaud; B. Vallage; M. Holder; A. Maier; M. Ziolkowski; C. Biino; N. Cartiglia; M. Clemencic; S. Goy Lopez; E. Menichetti; N. Pastrone; W. Wislicki; H. Dibon; M. Jeitler; M. Markytan; G. Neuhofer; L. Widhalm

doi:10.1016/j.physletb.2006.12.028

Measurement of the branching ratios of the decays Ξ⁰ → Σ⁺ e^- over(ν, ̄)_e and over(Ξ⁰, -) → over(Σ⁺, -) e⁺ ν_e

J. R. Batley, G. E. Kalmus, C. Lazzeroni, D. J. Munday, M. Patel, M. W. Slater, S. A. Wotton, R. Arcidiacono, G. Bocquet, A. Ceccucci, D. Cundy, N. Doble, V. Falaleev, L. Gatignon, A. Gonidec, P. Grafström, W. Kubischta, F. Marchetto, I. Mikulec, A. NortonB. Panzer-Steindel, P. Rubin, H. Wahl, E. Goudzovski, P. Hristov, V. Kekelidze, L. Litov, D. Madigozhin, N. Molokanova, Yu Potrebenikov, S. Stoynev, A. Zinchenko, E. Monnier, E. C. Swallow, R. Winston, R. Sacco, A. Walker, W. Baldini, P. Dalpiaz, P. L. Frabetti, A. Gianoli, M. Martini, F. Petrucci, M. Scarpa, M. Savrié, A. Bizzeti, M. Calvetti, G. Collazuol, E. Iacopini, M. Lenti, G. Ruggiero, M. Veltri, M. Behler, K. Eppard, M. Eppard, A. Hirstius, K. Kleinknecht, U. Koch, L. Masetti, P. Marouelli, U. Moosbrugger, C. Morales Morales, A. Peters, R. Wanke, A. Winhart, A. Dabrowski, T. Fonseca Martin, M. Velasco, G. Anzivino, P. Cenci, E. Imbergamo, G. Lamanna, P. Lubrano, A. Michetti, A. Nappi, M. Pepe, M. C. Petrucci, M. Piccini^*, M. Valdata, C. Cerri, F. Costantini, R. Fantechi, L. Fiorini, S. Giudici, I. Mannelli, G. Pierazzini, M. Sozzi, C. Cheshkov, J. B. Cheze, M. De Beer, P. Debu, G. Gouge, G. Marel, E. Mazzucato, B. Peyaud, B. Vallage, M. Holder, A. Maier, M. Ziolkowski, C. Biino, N. Cartiglia, M. Clemencic, S. Goy Lopez, E. Menichetti, N. Pastrone, W. Wislicki, H. Dibon, M. Jeitler, M. Markytan, G. Neuhofer, L. Widhalm

^*Corresponding author for this work

Physics and Astronomy

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Abstract

From 56 days of data taking in 2002, the NA48/1 experiment observed 6316 Ξ⁰ → Σ⁺ e^- over(ν, ̄)_e candidates (with the subsequent Σ⁺ → p π⁰ decay) and 555 over(Ξ⁰, -) → over(Σ⁺, -) e⁺ ν_e candidates with background contamination of 215 ± 44 and 136 ± 8 events, respectively. From these samples, the branching ratios BR (Ξ⁰ → Σ⁺ e^- over(ν, ̄)_e) = (2.51 ± 0.03_stat ± 0.09_syst) × 10^-4 and BR (over(Ξ⁰, -) → over(Σ⁺, -) e⁺ ν_e) = (2.55 ± 0.14_stat ± 0.10_syst) × 10^-4 were measured allowing the determination of the CKM matrix element | V_us | = 0.209_-0.028^+0.023. Using the Particle Data Group average for | V_us | obtained in semileptonic kaon decays, we measured the ratio g₁ / f₁ = 1.20 ± 0.05 of the axial-vector to vector form factors.

Original language	English (US)
Pages (from-to)	36-46
Number of pages	11
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	645
Issue number	1
DOIs	https://doi.org/10.1016/j.physletb.2006.12.028
State	Published - Feb 1 2007

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.physletb.2006.12.028

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Batley, J. R., Kalmus, G. E., Lazzeroni, C., Munday, D. J., Patel, M., Slater, M. W., Wotton, S. A., Arcidiacono, R., Bocquet, G., Ceccucci, A., Cundy, D., Doble, N., Falaleev, V., Gatignon, L., Gonidec, A., Grafström, P., Kubischta, W., Marchetto, F., Mikulec, I., ... Widhalm, L. (2007). Measurement of the branching ratios of the decays Ξ⁰ → Σ⁺ e^- over(ν, ̄)_e and over(Ξ⁰, -) → over(Σ⁺, -) e⁺ ν_e. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 645(1), 36-46. https://doi.org/10.1016/j.physletb.2006.12.028

@article{5915262b4c6b44e8b8105f5c1723436d,

title = "Measurement of the branching ratios of the decays Ξ0 → Σ+ e- over(ν,{\= })e and over(Ξ0, -) → over(Σ+, -) e+ νe",

abstract = "From 56 days of data taking in 2002, the NA48/1 experiment observed 6316 Ξ0 → Σ+ e- over(ν,{\= })e candidates (with the subsequent Σ+ → p π0 decay) and 555 over(Ξ0, -) → over(Σ+, -) e+ νe candidates with background contamination of 215 ± 44 and 136 ± 8 events, respectively. From these samples, the branching ratios BR (Ξ0 → Σ+ e- over(ν,{\= })e) = (2.51 ± 0.03stat ± 0.09syst) × 10-4 and BR (over(Ξ0, -) → over(Σ+, -) e+ νe) = (2.55 ± 0.14stat ± 0.10syst) × 10-4 were measured allowing the determination of the CKM matrix element | Vus | = 0.209-0.028+0.023. Using the Particle Data Group average for | Vus | obtained in semileptonic kaon decays, we measured the ratio g1 / f1 = 1.20 ± 0.05 of the axial-vector to vector form factors.",

author = "Batley, {J. R.} and Kalmus, {G. E.} and C. Lazzeroni and Munday, {D. J.} and M. Patel and Slater, {M. W.} and Wotton, {S. A.} and R. Arcidiacono and G. Bocquet and A. Ceccucci and D. Cundy and N. Doble and V. Falaleev and L. Gatignon and A. Gonidec and P. Grafstr{\"o}m and W. Kubischta and F. Marchetto and I. Mikulec and A. Norton and B. Panzer-Steindel and P. Rubin and H. Wahl and E. Goudzovski and P. Hristov and V. Kekelidze and L. Litov and D. Madigozhin and N. Molokanova and Yu Potrebenikov and S. Stoynev and A. Zinchenko and E. Monnier and Swallow, {E. C.} and R. Winston and R. Sacco and A. Walker and W. Baldini and P. Dalpiaz and Frabetti, {P. L.} and A. Gianoli and M. Martini and F. Petrucci and M. Scarpa and M. Savri{\'e} and A. Bizzeti and M. Calvetti and G. Collazuol and E. Iacopini and M. Lenti and G. Ruggiero and M. Veltri and M. Behler and K. Eppard and M. Eppard and A. Hirstius and K. Kleinknecht and U. Koch and L. Masetti and P. Marouelli and U. Moosbrugger and {Morales Morales}, C. and A. Peters and R. Wanke and A. Winhart and A. Dabrowski and {Fonseca Martin}, T. and M. Velasco and G. Anzivino and P. Cenci and E. Imbergamo and G. Lamanna and P. Lubrano and A. Michetti and A. Nappi and M. Pepe and Petrucci, {M. C.} and M. Piccini and M. Valdata and C. Cerri and F. Costantini and R. Fantechi and L. Fiorini and S. Giudici and I. Mannelli and G. Pierazzini and M. Sozzi and C. Cheshkov and Cheze, {J. B.} and {De Beer}, M. and P. Debu and G. Gouge and G. Marel and E. Mazzucato and B. Peyaud and B. Vallage and M. Holder and A. Maier and M. Ziolkowski and C. Biino and N. Cartiglia and M. Clemencic and {Goy Lopez}, S. and E. Menichetti and N. Pastrone and W. Wislicki and H. Dibon and M. Jeitler and M. Markytan and G. Neuhofer and L. Widhalm",

year = "2007",

month = feb,

day = "1",

doi = "10.1016/j.physletb.2006.12.028",

language = "English (US)",

volume = "645",

pages = "36--46",

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

issn = "0370-2693",

publisher = "Elsevier",

number = "1",

}

Batley, JR, Kalmus, GE, Lazzeroni, C, Munday, DJ, Patel, M, Slater, MW, Wotton, SA, Arcidiacono, R, Bocquet, G, Ceccucci, A, Cundy, D, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Grafström, P, Kubischta, W, Marchetto, F, Mikulec, I, Norton, A, Panzer-Steindel, B, Rubin, P, Wahl, H, Goudzovski, E, Hristov, P, Kekelidze, V, Litov, L, Madigozhin, D, Molokanova, N, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, EC, Winston, R, Sacco, R, Walker, A, Baldini, W, Dalpiaz, P, Frabetti, PL, Gianoli, A, Martini, M, Petrucci, F, Scarpa, M, Savrié, M, Bizzeti, A, Calvetti, M, Collazuol, G, Iacopini, E, Lenti, M, Ruggiero, G, Veltri, M, Behler, M, Eppard, K, Eppard, M, Hirstius, A, Kleinknecht, K, Koch, U, Masetti, L, Marouelli, P, Moosbrugger, U, Morales Morales, C, Peters, A, Wanke, R, Winhart, A, Dabrowski, A, Fonseca Martin, T, Velasco, M, Anzivino, G, Cenci, P, Imbergamo, E, Lamanna, G, Lubrano, P, Michetti, A, Nappi, A, Pepe, M, Petrucci, MC, Piccini, M, Valdata, M, Cerri, C, Costantini, F, Fantechi, R, Fiorini, L, Giudici, S, Mannelli, I, Pierazzini, G, Sozzi, M, Cheshkov, C, Cheze, JB, De Beer, M, Debu, P, Gouge, G, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Biino, C, Cartiglia, N, Clemencic, M, Goy Lopez, S, Menichetti, E, Pastrone, N, Wislicki, W, Dibon, H, Jeitler, M, Markytan, M, Neuhofer, G & Widhalm, L 2007, 'Measurement of the branching ratios of the decays Ξ⁰ → Σ⁺ e^- over(ν, ̄)_e and over(Ξ⁰, -) → over(Σ⁺, -) e⁺ ν_e', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 645, no. 1, pp. 36-46. https://doi.org/10.1016/j.physletb.2006.12.028

TY - JOUR

T1 - Measurement of the branching ratios of the decays Ξ0 → Σ+ e- over(ν, ̄)e and over(Ξ0, -) → over(Σ+, -) e+ νe

AU - Batley, J. R.

AU - Kalmus, G. E.

AU - Lazzeroni, C.

AU - Munday, D. J.

AU - Patel, M.

AU - Slater, M. W.

AU - Wotton, S. A.

AU - Arcidiacono, R.

AU - Bocquet, G.

AU - Ceccucci, A.

AU - Cundy, D.

AU - Doble, N.

AU - Falaleev, V.

AU - Gatignon, L.

AU - Gonidec, A.

AU - Grafström, P.

AU - Kubischta, W.

AU - Marchetto, F.

AU - Mikulec, I.

AU - Norton, A.

AU - Panzer-Steindel, B.

AU - Rubin, P.

AU - Wahl, H.

AU - Goudzovski, E.

AU - Hristov, P.

AU - Kekelidze, V.

AU - Litov, L.

AU - Madigozhin, D.

AU - Molokanova, N.

AU - Potrebenikov, Yu

AU - Stoynev, S.

AU - Zinchenko, A.

AU - Monnier, E.

AU - Swallow, E. C.

AU - Winston, R.

AU - Sacco, R.

AU - Walker, A.

AU - Baldini, W.

AU - Dalpiaz, P.

AU - Frabetti, P. L.

AU - Gianoli, A.

AU - Martini, M.

AU - Petrucci, F.

AU - Scarpa, M.

AU - Savrié, M.

AU - Bizzeti, A.

AU - Calvetti, M.

AU - Collazuol, G.

AU - Iacopini, E.

AU - Lenti, M.

AU - Ruggiero, G.

AU - Veltri, M.

AU - Behler, M.

AU - Eppard, K.

AU - Eppard, M.

AU - Hirstius, A.

AU - Kleinknecht, K.

AU - Koch, U.

AU - Masetti, L.

AU - Marouelli, P.

AU - Moosbrugger, U.

AU - Morales Morales, C.

AU - Peters, A.

AU - Wanke, R.

AU - Winhart, A.

AU - Dabrowski, A.

AU - Fonseca Martin, T.

AU - Velasco, M.

AU - Anzivino, G.

AU - Cenci, P.

AU - Imbergamo, E.

AU - Lamanna, G.

AU - Lubrano, P.

AU - Michetti, A.

AU - Nappi, A.

AU - Pepe, M.

AU - Petrucci, M. C.

AU - Piccini, M.

AU - Valdata, M.

AU - Cerri, C.

AU - Costantini, F.

AU - Fantechi, R.

AU - Fiorini, L.

AU - Giudici, S.

AU - Mannelli, I.

AU - Pierazzini, G.

AU - Sozzi, M.

AU - Cheshkov, C.

AU - Cheze, J. B.

AU - De Beer, M.

AU - Debu, P.

AU - Gouge, G.

AU - Marel, G.

AU - Mazzucato, E.

AU - Peyaud, B.

AU - Vallage, B.

AU - Holder, M.

AU - Maier, A.

AU - Ziolkowski, M.

AU - Biino, C.

AU - Cartiglia, N.

AU - Clemencic, M.

AU - Goy Lopez, S.

AU - Menichetti, E.

AU - Pastrone, N.

AU - Wislicki, W.

AU - Dibon, H.

AU - Jeitler, M.

AU - Markytan, M.

AU - Neuhofer, G.

AU - Widhalm, L.

PY - 2007/2/1

Y1 - 2007/2/1

N2 - From 56 days of data taking in 2002, the NA48/1 experiment observed 6316 Ξ0 → Σ+ e- over(ν, ̄)e candidates (with the subsequent Σ+ → p π0 decay) and 555 over(Ξ0, -) → over(Σ+, -) e+ νe candidates with background contamination of 215 ± 44 and 136 ± 8 events, respectively. From these samples, the branching ratios BR (Ξ0 → Σ+ e- over(ν, ̄)e) = (2.51 ± 0.03stat ± 0.09syst) × 10-4 and BR (over(Ξ0, -) → over(Σ+, -) e+ νe) = (2.55 ± 0.14stat ± 0.10syst) × 10-4 were measured allowing the determination of the CKM matrix element | Vus | = 0.209-0.028+0.023. Using the Particle Data Group average for | Vus | obtained in semileptonic kaon decays, we measured the ratio g1 / f1 = 1.20 ± 0.05 of the axial-vector to vector form factors.

AB - From 56 days of data taking in 2002, the NA48/1 experiment observed 6316 Ξ0 → Σ+ e- over(ν, ̄)e candidates (with the subsequent Σ+ → p π0 decay) and 555 over(Ξ0, -) → over(Σ+, -) e+ νe candidates with background contamination of 215 ± 44 and 136 ± 8 events, respectively. From these samples, the branching ratios BR (Ξ0 → Σ+ e- over(ν, ̄)e) = (2.51 ± 0.03stat ± 0.09syst) × 10-4 and BR (over(Ξ0, -) → over(Σ+, -) e+ νe) = (2.55 ± 0.14stat ± 0.10syst) × 10-4 were measured allowing the determination of the CKM matrix element | Vus | = 0.209-0.028+0.023. Using the Particle Data Group average for | Vus | obtained in semileptonic kaon decays, we measured the ratio g1 / f1 = 1.20 ± 0.05 of the axial-vector to vector form factors.

UR - http://www.scopus.com/inward/record.url?scp=33846329465&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33846329465&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2006.12.028

DO - 10.1016/j.physletb.2006.12.028

M3 - Article

AN - SCOPUS:33846329465

SN - 0370-2693

VL - 645

SP - 36

EP - 46

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 - 1

ER -

Measurement of the branching ratios of the decays Ξ⁰ → Σ⁺ e^- over(ν, ̄)_e and over(Ξ⁰, -) → over(Σ⁺, -) e⁺ ν_e

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