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Correlation function and the inverse problem in the $BD$ interaction

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arxiv 2401.14302 v2 pith:NFJKNGDJ submitted 2024-01-25 hep-ph

classification hep-ph
keywords correlationstatefunctionsboundobtainedenergyerrorsexistence
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We study the correlation functions of the $B^0 D^+, B^+ D^0$ system, which develops a bound state of approximately $40$ MeV, using inputs consistent with the $T_{cc}(3875)$ state. Then we address the inverse problem starting from these correlation functions to determine the scattering observables related to the system, including the existence of the bound state and its molecular nature. The important output of the approach is the uncertainty with which these observables can be obtained, considering errors in the $B^0 D^+, B^+ D^0$ correlation functions typical of current values in present correlation functions. We find that it is possible to obtain scattering lengths and effective ranges with relative high precision and the existence of a bound state. Although the pole position is obtained with errors of the order of $50 \%$ of the binding energy, the molecular probability of the state is obtained with a very small error of the order of $6\%$. All these findings can serve as motivation to perform such measurements in future runs of high energy hadron collisions.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Spectroscopic and femtoscopic insights into vector-baryon interactions in the strangeness $-1$ sector

    hep-ph 2025-07 conditional novelty 6.0 of 10

    The authors predict three Lambda* and two Sigma* resonances from vector-baryon interactions and provide femtoscopy correlation functions for six channels in the S=-1 sector.

  2. Probing the structure of the $D_{s 0}^*(2317)$ and $X(3872)$ states through correlation functions

    hep-ph 2025-06 conditional novelty 6.0 of 10

    Femtoscopic correlation functions for D0K+ and D0Dbar*0 pairs are predicted to be sensitive to the molecular versus bare-state composition of D_s0*(2317) and X(3872).

  3. Finding Low Star Discrepancy 3D Kronecker Point Sets Using Algorithm Configuration Techniques

    cs.NE 2026-04 unverdicted novelty 5.0 of 10

    Optimizing the two Kronecker parameters with irace yields new state-of-the-art L∞ star discrepancy for 3D point sets of size at least 500 and for ranges of sizes.

  4. Off-shell ambiguities in correlation functions: strategies to minimize them

    hep-ph 2025-06 conditional novelty 5.0 of 10

    For meson-baryon pairs tied to the N*(1535), off-shell ambiguities change correlation functions by only 2-3% in chiral models, and can be partly absorbed by adjusting the source size.

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