Study the structure of X(3872) from its lineshape
Abstract We fit the invariant mass distribution of $${X(3872)}\rightarrow {J}/{\psi }\pi ^+\pi ^-$$ X ( 3872 ) → J / ψ π + π - from LHCb using the propagator for S-wave near-threshold states in effective field theory. In this way, we can directly determine the Z which measures the projection of the...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2025-08-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-025-14520-3 |
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