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  • Letter
  • Open Access

Pole analysis on the doubly charmed meson in D0D0π+ mass spectrum

Ling-Yun Dai1,2,*, Xiang Sun1,2, Xian-Wei Kang3,4, A. P. Szczepaniak5,6,7,†, and Jie-Sheng Yu1,2,‡

  • 1School of Physics and Electronics, Hunan University, Changsha 410082, China
  • 2Hunan Provincial Key Laboratory of High-Energy Scale Physics and Applications, Hunan University, Changsha 410082, China
  • 3Key Laboratory of Beam Technology of the Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China
  • 4Beijing Radiation Center, Beijing 100875, China
  • 5Physics Department, Indiana University, Bloomington, Indiana 47405, USA
  • 6Center for Exploration of Energy and Matter, Indiana University, Bloomington, Indiana 47403, USA
  • 7Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA

  • *dailingyun@hnu.edu.cn
  • †aszczepa@indiana.edu
  • ‡yujiesheng@hnu.edu.cn
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Phys. Rev. D 105, L051507 – Published 23 March, 2022

DOI: https://doi.org/10.1103/PhysRevD.105.L051507

Abstract

In this paper, we study the scattering amplitudes of D0D0π+−D*+D0 coupled channels based on the K matrix within the Chew-Mandelstam formalism. The D0D0π+ invariant mass spectrum of LHCb is fitted, and the pole parameters of the Tcc+ are extracted. The analysis of pole behavior suggests that the Tcc+ may originate from a D*+D0 virtual state and is formed as a result of an interplay between an attractive interaction between D0 and D*+ and coupling to D0D0π+ channel.

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Phys. Rev. D 105, L051507– Published 23 March, 2022
  • Received 15 August 2021
  • Accepted 1 March 2022
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