Measurement of the eta -> 3 pi(0) Dalitz plot distribution with the WASA detector at COSY

WASA COSY Collaboration; C. Adolph; M. Angelstein; M. Bashkanov; U. Bechstedt; S. Belostotski; M. Berlowski; H. Bhatt; J. Bisplinghoff; A. Bondar; B. Borasoy; M. Buescher; H. Calen; K. Chandwani; H. Clement; E. Czerwinski; R. Czyzykiewicz; G. D'Orsaneo; D. Duniec; C. Ekstroem; R. Engels; W. Erven; W. Eyrich; P. Fedorets; O. Felden; K. Fransson; D. Gil; F. Goldenbaum; K. Grigoryev; A. Heczko; C. Hanhart; V. Hejny; F. Hinterberger; M. Hodana; B. Hoeistad; A. Izotov; M. Jacewicz; M. Janusz; B. R. Jany; L. Jarczyk; T. Johansson; B. Kamys; G. Kemmerling; I. Keshelashvili; O. Khakimova; A. Khoukaz; K. Kilian; N. Kimura; S. Kistryn; J. Klaja; P. Klaja

doi:10.1016/j.physletb.2009.03.063

Measurement of the eta -> 3 pi(0) Dalitz plot distribution with the WASA detector at COSY

WASA COSY Collaboration, C. Adolph, M. Angelstein, M. Bashkanov, U. Bechstedt, S. Belostotski, M. Berlowski, H. Bhatt, J. Bisplinghoff, A. Bondar, B. Borasoy, M. Buescher, H. Calen, K. Chandwani, H. Clement, E. Czerwinski, R. Czyzykiewicz, G. D'Orsaneo, D. Duniec, C. EkstroemR. Engels, W. Erven, W. Eyrich, P. Fedorets, O. Felden, K. Fransson, D. Gil, F. Goldenbaum, K. Grigoryev, A. Heczko, C. Hanhart, V. Hejny, F. Hinterberger, M. Hodana, B. Hoeistad, A. Izotov, M. Jacewicz, M. Janusz, B. R. Jany, L. Jarczyk, T. Johansson, B. Kamys, G. Kemmerling, I. Keshelashvili, O. Khakimova, A. Khoukaz, K. Kilian, N. Kimura, S. Kistryn, J. Klaja, P. Klaja

School of Physics and Astronomy

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

Abstract

In the first production run of the WASA experiment at COSY, the eta decay into three neutral pions was measured in proton-proton interactions at a proton beam kinetic energy of 1.4 GeV. The Dalitz plot of the three pious was Studied using 1.2 x 10(5) fully reconstructed events. and the quadratic slope parameter alpha was determined to be -0.027 +/- 0.008(stat) +/- 0.005(syst). The result is consistent with previous measurements and further corroborates the importance of pion-pion final state interactions. (C) 2009 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	24-29
Number of pages	6
Journal	Physics Letters B
Volume	677
Issue number	1-2
DOIs	https://doi.org/10.1016/j.physletb.2009.03.063
Publication status	Published - 15 Jun 2009

Keywords / Materials (for Non-textual outputs)

eta
eta -> 3 pi(0)
Dalitz plot
CHIRAL PERTURBATION-THEORY
FINAL-STATE INTERACTIONS
PI-PI SCATTERING
ELECTROMAGNETIC CORRECTIONS
CURRENT-ALGEBRA
DAQ SYSTEM
DECAYS
PERFORMANCE
ETA->3-PI
CHANNELS

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10.1016/j.physletb.2009.03.063

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WASA COSY Collaboration, Adolph, C., Angelstein, M., Bashkanov, M., Bechstedt, U., Belostotski, S., Berlowski, M., Bhatt, H., Bisplinghoff, J., Bondar, A., Borasoy, B., Buescher, M., Calen, H., Chandwani, K., Clement, H., Czerwinski, E., Czyzykiewicz, R., D'Orsaneo, G., Duniec, D., ... Klaja, P. (2009). Measurement of the eta -> 3 pi(0) Dalitz plot distribution with the WASA detector at COSY. Physics Letters B, 677(1-2), 24-29. https://doi.org/10.1016/j.physletb.2009.03.063

@article{d9c1c8e15fb04cf389aa34f60beb7255,

title = "Measurement of the eta -> 3 pi(0) Dalitz plot distribution with the WASA detector at COSY",

abstract = "In the first production run of the WASA experiment at COSY, the eta decay into three neutral pions was measured in proton-proton interactions at a proton beam kinetic energy of 1.4 GeV. The Dalitz plot of the three pious was Studied using 1.2 x 10(5) fully reconstructed events. and the quadratic slope parameter alpha was determined to be -0.027 +/- 0.008(stat) +/- 0.005(syst). The result is consistent with previous measurements and further corroborates the importance of pion-pion final state interactions. (C) 2009 Elsevier B.V. All rights reserved.",

keywords = "eta, eta -> 3 pi(0), Dalitz plot, CHIRAL PERTURBATION-THEORY, FINAL-STATE INTERACTIONS, PI-PI SCATTERING, ELECTROMAGNETIC CORRECTIONS, CURRENT-ALGEBRA, DAQ SYSTEM, DECAYS, PERFORMANCE, ETA->3-PI, CHANNELS",

author = "{WASA COSY Collaboration} and C. Adolph and M. Angelstein and M. Bashkanov and U. Bechstedt and S. Belostotski and M. Berlowski and H. Bhatt and J. Bisplinghoff and A. Bondar and B. Borasoy and M. Buescher and H. Calen and K. Chandwani and H. Clement and E. Czerwinski and R. Czyzykiewicz and G. D'Orsaneo and D. Duniec and C. Ekstroem and R. Engels and W. Erven and W. Eyrich and P. Fedorets and O. Felden and K. Fransson and D. Gil and F. Goldenbaum and K. Grigoryev and A. Heczko and C. Hanhart and V. Hejny and F. Hinterberger and M. Hodana and B. Hoeistad and A. Izotov and M. Jacewicz and M. Janusz and Jany, {B. R.} and L. Jarczyk and T. Johansson and B. Kamys and G. Kemmerling and I. Keshelashvili and O. Khakimova and A. Khoukaz and K. Kilian and N. Kimura and S. Kistryn and J. Klaja and P. Klaja",

year = "2009",

month = jun,

day = "15",

doi = "10.1016/j.physletb.2009.03.063",

language = "English",

volume = "677",

pages = "24--29",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "Elsevier",

number = "1-2",

}

WASA COSY Collaboration, Adolph, C, Angelstein, M, Bashkanov, M, Bechstedt, U, Belostotski, S, Berlowski, M, Bhatt, H, Bisplinghoff, J, Bondar, A, Borasoy, B, Buescher, M, Calen, H, Chandwani, K, Clement, H, Czerwinski, E, Czyzykiewicz, R, D'Orsaneo, G, Duniec, D, Ekstroem, C, Engels, R, Erven, W, Eyrich, W, Fedorets, P, Felden, O, Fransson, K, Gil, D, Goldenbaum, F, Grigoryev, K, Heczko, A, Hanhart, C, Hejny, V, Hinterberger, F, Hodana, M, Hoeistad, B, Izotov, A, Jacewicz, M, Janusz, M, Jany, BR, Jarczyk, L, Johansson, T, Kamys, B, Kemmerling, G, Keshelashvili, I, Khakimova, O, Khoukaz, A, Kilian, K, Kimura, N, Kistryn, S, Klaja, J & Klaja, P 2009, 'Measurement of the eta -> 3 pi(0) Dalitz plot distribution with the WASA detector at COSY', Physics Letters B, vol. 677, no. 1-2, pp. 24-29. https://doi.org/10.1016/j.physletb.2009.03.063

TY - JOUR

T1 - Measurement of the eta -> 3 pi(0) Dalitz plot distribution with the WASA detector at COSY

AU - WASA COSY Collaboration

AU - Adolph, C.

AU - Angelstein, M.

AU - Bashkanov, M.

AU - Bechstedt, U.

AU - Belostotski, S.

AU - Berlowski, M.

AU - Bhatt, H.

AU - Bisplinghoff, J.

AU - Bondar, A.

AU - Borasoy, B.

AU - Buescher, M.

AU - Calen, H.

AU - Chandwani, K.

AU - Clement, H.

AU - Czerwinski, E.

AU - Czyzykiewicz, R.

AU - D'Orsaneo, G.

AU - Duniec, D.

AU - Ekstroem, C.

AU - Engels, R.

AU - Erven, W.

AU - Eyrich, W.

AU - Fedorets, P.

AU - Felden, O.

AU - Fransson, K.

AU - Gil, D.

AU - Goldenbaum, F.

AU - Grigoryev, K.

AU - Heczko, A.

AU - Hanhart, C.

AU - Hejny, V.

AU - Hinterberger, F.

AU - Hodana, M.

AU - Hoeistad, B.

AU - Izotov, A.

AU - Jacewicz, M.

AU - Janusz, M.

AU - Jany, B. R.

AU - Jarczyk, L.

AU - Johansson, T.

AU - Kamys, B.

AU - Kemmerling, G.

AU - Keshelashvili, I.

AU - Khakimova, O.

AU - Khoukaz, A.

AU - Kilian, K.

AU - Kimura, N.

AU - Kistryn, S.

AU - Klaja, J.

AU - Klaja, P.

PY - 2009/6/15

Y1 - 2009/6/15

N2 - In the first production run of the WASA experiment at COSY, the eta decay into three neutral pions was measured in proton-proton interactions at a proton beam kinetic energy of 1.4 GeV. The Dalitz plot of the three pious was Studied using 1.2 x 10(5) fully reconstructed events. and the quadratic slope parameter alpha was determined to be -0.027 +/- 0.008(stat) +/- 0.005(syst). The result is consistent with previous measurements and further corroborates the importance of pion-pion final state interactions. (C) 2009 Elsevier B.V. All rights reserved.

AB - In the first production run of the WASA experiment at COSY, the eta decay into three neutral pions was measured in proton-proton interactions at a proton beam kinetic energy of 1.4 GeV. The Dalitz plot of the three pious was Studied using 1.2 x 10(5) fully reconstructed events. and the quadratic slope parameter alpha was determined to be -0.027 +/- 0.008(stat) +/- 0.005(syst). The result is consistent with previous measurements and further corroborates the importance of pion-pion final state interactions. (C) 2009 Elsevier B.V. All rights reserved.

KW - eta

KW - eta -> 3 pi(0)

KW - Dalitz plot

KW - CHIRAL PERTURBATION-THEORY

KW - FINAL-STATE INTERACTIONS

KW - PI-PI SCATTERING

KW - ELECTROMAGNETIC CORRECTIONS

KW - CURRENT-ALGEBRA

KW - DAQ SYSTEM

KW - DECAYS

KW - PERFORMANCE

KW - ETA->3-PI

KW - CHANNELS

U2 - 10.1016/j.physletb.2009.03.063

DO - 10.1016/j.physletb.2009.03.063

M3 - Article

SN - 0370-2693

VL - 677

SP - 24

EP - 29

JO - Physics Letters B

JF - Physics Letters B

IS - 1-2

ER -

Measurement of the eta -> 3 pi(0) Dalitz plot distribution with the WASA detector at COSY

Abstract

Keywords / Materials (for Non-textual outputs)

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