Dalitz Plot Analysis of the Decay<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>D</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo>→</mml:mo><mml:msup><mml:mi>K</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math>and Indication of a Low-Mass Scalar<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>K</mml:mi><mml:mi>π</mml:mi></mml:math>Resonance

M. Aitala, E.; Amato, S.; C. Anjos, J.; A. Appel, J.; Ashery, D.; Banerjee, S.; Bediaga, I.; Blaylock, G.; B. Bracker, S.; R. Burchat, P.; A. Burnstein, R.; Carter, Tom; Carvalho, H.S.; Copty, N.; M. Cremaldi, L.; Darling, C.; Denisenko, K.; Devmal, S.; Fernández, A.; F. Fox, G.; Gagnon, P.; Göbel, C.; Gounder, K.; M. Halling, A.; Herrera, G.; Hurvits, G.; James, C.; A. Kasper, P.; Kwan, S.; Langs, D.C.; R. Leslie, J.; Lundberg, B.; Magnin, J.; Massafferri, A.; MayTal-Beck, S.; T. Meadows, B.; R. T. de Mello Neto, J.; Mihalcea, D.; H. Milburn, R.; M. De Miranda, J.; Napier, A.; Nguyen, A.; D’Oliveira, A.; O’Shaughnessy, K.; Peng, K.C.; P. Perera, L.; V. Purohit, M.; Quinn, B.; Radeztsky, S.; Rafatian, A.; W. Reay, N.; J. Reidy, J.; C. dos Reis, A.; A. Rubin, H.; A. Sanders, D.; Santha, A.K.S.; Santoro, A.; J. Schwartz, A.; Sheaff, M.; A. Sidwell, R.; J. Slaughter, A.; D. Sokoloff, M.; J. Solano Salinas, C.; R. Stanton, N.; J. Stefanski, R.; Stenson, Kevin; J. Summers, D.; Takach, S.; S. Thorne, K.; K. Tripathi, A.; Watanabe, Shuji; Weiss-Babai, R.; Wiener, J.; Witchey, N.; Wolin, E.; Yang, S.; Yi, D.; Yoshida, S.; Zaliznyak, R.; Zhang, C.

doi:10.1103/physrevlett.89.121801

Public

Dalitz Plot Analysis of the DecayD+→K−π+π+and Indication of a Low-Mass ScalarKπResonance

Published in Physical Review Letters • Aug 28, 2002

Authors:

E. M. Aitala

S. Amato

J. C. Anjos

Abstract

We study the Dalitz plot of the decay ${D}^{+}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{+}$ with a sample of 15090 events from Fermilab experiment E791. Modeling the decay amplitude as the coherent sum of known $K\ensuremath{\pi}$ resonances and a uniform ...

Subject

Physics

Hadron

Scalar (mathematics)

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