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${{\mathit T}_{{{c c {{\overline{\mathit c}}} {{\overline{\mathit c}}}}}}{(6600)}}$ MASS

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M272M

M272M VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 6646 {}^{+28}_{-25}}$ OUR AVERAGE $6638$ ${}^{+43}_{-38}$ ${}^{+16}_{-31}$ 1 HAYRAPETYAN 2024   CMS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit J / \psi}}{{\mathit X}}$ $6650$ $\pm20$ ${}^{+30}_{-20}$ 2 AAD 2023 BL   ATLS ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit J / \psi}}{{\mathit X}}$ 1  In a model with three resonances described by interfering relativistic Breit-Wigner functions above background from non-resonant single and double parton scattering and a threshold enhancement. 2  In a model with two resonances, with the ${{\mathit T}_{{{c c {{\overline{\mathit c}}} {{\overline{\mathit c}}}}}}{(6600)}}$ interfering with single parton scattering, and a non-interfering ${{\mathit T}_{{{c c {{\overline{\mathit c}}} {{\overline{\mathit c}}}}}}{(6900)}}$.

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