Empirical parameterization of the K± → π±π0π0 decay Dalitz plot

被引：11

作者：

Batley, J. R. ^{[2
]}

Culling, A. J. ^{[2
]}

Kalmus, G. ^{[2
]}

Lazzeroni, C. ^{[2
,22
]}

Munday, D. J. ^{[2
]}

Slater, M. W. ^{[2
,22
]}

Wotton, S. A. ^{[2
]}

Arcidiacono, R. ^{[3
,19
,20
]}

Bocquet, G. ^{[3
]}

Cabibbo, N. ^{[3
,23
,24
]}

Ceccucci, A. ^{[3
]}

Cundy, D. ^{[3
,25
]}

Falaleev, V. ^{[3
]}

Fidecaro, M. ^{[3
]}

Gatignon, L. ^{[3
]}

Gonidec, A. ^{[3
]}

Kubischta, W. ^{[3
]}

Norton, A. ^{[3
,6
,7
]}

Maier, A. ^{[3
]}

Patel, M. ^{[3
]}

Peters, A. ^{[3
]}

Balev, S. ^{[1
,14
,15
]}

Frabetti, P. L. ^{[1
]}

Goudzovski, E. ^{[1
,22
]}

Hristov, P. ^{[1
,3
]}

Kekelidze, V. ^{[1
]}

Kozhuharov, V. ^{[1
,26
]}

Litov, L. ^{[1
]}

Madigozhin, D. ^{[1
]}

Marinova, E. ^{[1
,13
]}

Molokanova, N. ^{[1
]}

Polenkevich, I. ^{[1
]}

Potrebenikov, Yu. ^{[1
]}

Stoynev, S. ^{[1
,11
]}

Zinchenko, A. ^{[1
]}

Monnier, E. ^{[4
,27
]}

Swallow, E. ^{[4
]}

Winston, R. ^{[4
]}

Rubin, P. ^{[5
,28
]}

Walker, A. ^{[5
]}

Baldini, W. ^{[6
,7
]}

Ramusino, A. Cotta ^{[6
,7
]}

Dalpiaz, P. ^{[6
,7
]}

Damiani, C. ^{[6
,7
]}

Fiorini, M. ^{[3
,6
,7
]}

Gianoli, A. ^{[6
,7
]}

Martini, M. ^{[6
,7
]}

Petrucci, F. ^{[6
,7
]}

Savrie, M. ^{[6
,7
]}

Scarpa, M. ^{[6
,7
]}

机构：

[1] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia

[2] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[3] CERN, CH-1211 Geneva 23, Switzerland

[4] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60126 USA

[5] Univ Edinburgh, Dept Phys & Astron, Edinburgh EH9 3JZ, Midlothian, Scotland

[6] Univ Ferrara, Dipartmento Fis, I-44100 Ferrara, Italy

[7] Sez INFN Ferrara, I-44100 Ferrara, Italy

[8] Dipartimento Fis Univ, I-50019 Sesto Fiorentino, Italy

[9] Sez INFN Firenze, I-50019 Sesto Fiorentino, Italy

[10] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany

[11] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA

[12] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy

[13] Sez INFN Perugia, I-06100 Perugia, Italy

[14] Sez INFN Pisa, I-56100 Pisa, Italy

[15] Scuola Normale Super Pisa, I-56100 Pisa, Italy

[16] Univ Pisa, Dipartimento Fis, I-56100 Pisa, Italy

[17] CEA Saclay, DSM RFU, F-91191 Gif Sur Yvette, France

[18] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany

[19] Sez INFN Torino, I-10125 Turin, Italy

[20] Univ Turin, Dipartimento Fis Sperimentale, I-10125 Turin, Italy

[21] Austrian Acad Sci, Inst Hochenergiephys, A-10560 Vienna, Austria

[22] Univ Birmingham, Birmingham B15 2TT, W Midlands, England

[23] Univ Roma La Sapienza, I-00185 Rome, Italy

[24] Sez INFN Roma, I-00185 Rome, Italy

[25] CNR, Ist Cosmogeofis, I-10133 Turin, Italy

[26] Sofia Univ St Kliment Ohridski, Fac Phys, Sofia 1164, Bulgaria

[27] Univ Aix Marseille 2, Ctr Phys Particules Marseille, IN2P3, CNRS, Marseille, France

[28] George Mason Univ, Dept Phys & Astron, Fairfax, VA 22030 USA

[29] Univ Modena & Reggio Emilia, Dipartimento Fis, I-41100 Modena, Italy

[30] Univ Urbino, Ist Fis, I-61029 Urbino, Italy

[31] Univ Bonn, Inst Phys, D-53115 Bonn, Germany

[32] Stanford Univ, SLAC, Menlo Pk, CA 94025 USA

[33] Univ London, Egham TW20 0EX, Surrey, England

[34] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[35] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[36] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Barcelona, Spain

[37] Univ Bern, Inst Theoret Phys, CH-3012 Bern, Switzerland

[38] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain

来源：

PHYSICS LETTERS B | 2010年 / 686卷 / 2-3期

关键词：

D O I：

10.1016/j.physletb.2010.02.036

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

As first observed by the NA48/2 experiment at the CERN SPS, the pi(0)pi(0) invariant mass (M-00) distribution from K-+/- -> pi(+/-)pi(0)pi(0) decay shows a cusp-like anomaly at M-00 = 2m(+), where m(+) is the charged pion mass An analysis to extract the pi pi scattering lengths in the isospin I = 0 and I = 2 states. a(0) and a(2), respectively, has been recently reported In the present work the Dahtz plot of this decay is fitted to a new empirical parameterization suitable for practical purposes, such as Monte Carlo simulations of K-+/- -> pi(+/-)pi(0)pi(0) decays (C) 2010 Elsevier B V All rights reserved

引用

页码：101 / 108

页数：8

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