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Structure and production mechanism of the enigmatic $X(3872)$ in high-energy hadronic reactions

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arxiv 2203.07827 v3 pith:UY7YXWBA submitted 2022-03-15 hep-ph

Anna Cisek , Wolfgang Schäfer , Antoni Szczurek This is my paper · ORCID
classification hep-ph
keywords productioncalculationscrossdataenigmaticmolecularpartonscattering
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We calculate the total cross section and transverse momentum distributions for the production of enigmatic $\chi_{c,1}(3872)$ (or X(3872)) assuming different scenarios: $c \bar c$ state and $D^{0*} {\bar D}^0 + D^0 {\bar D}^{0*}$ molecule. The derivative of the $c \bar c$ wave function needed in the first scenario is taken from a potential model calculations. Compared to earlier calculation of molecular state we include not only single parton scattering (SPS) but also double parton scattering (DPS) contributions. The latter one seems to give smaller contribution than the SPS one. The upper limit for the DPS production of $\chi_{c,1}(3872)$ is much below the CMS data. We compare results of our calculations with existing experimental data of CMS, ATLAS and LHCb collaborations. Reasonable cross sections can be obtained in either $c \bar c$ or molecular $D {\bar D}^*$ scenarios for $X(3872)$. Also a hybrid scenario is not excluded.

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Cited by 3 Pith papers

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

  1. Bottomoniumlike states in proton collisions: Fragmentation and resummation

    hep-ph 2024-12 conditional novelty 6.0 of 10

    New TQHL1.1 and TQ4Q1.1 fragmentation functions for doubly and fully bottomed tetraquarks are constructed and evolved, yielding first predictions for bottom-tetraquark plus jet distributions at 14 and 100 TeV.

  2. All-charm tetraquarks at hadron colliders: A high-precision fragmentation perspective

    hep-ph 2026-04 unverdicted novelty 5.5 of 10

    TQ4Q2.0 supplies the first complete, uncertainty-quantified set of NRQCD-based fragmentation functions for all-heavy tetraquarks, including nonconstituent channels and public grids for jet-associated production.

  3. Production of exotic hadrons in $pp$ and nuclear collisions

    hep-ph 2024-11 conditional novelty 1.0 of 10

    A review of exotic-hadron production in pp, pbar-p, and nuclear collisions, arguing that such measurements can discriminate between hadronic-molecule and compact-tetraquark interpretations of states like the X(3872).

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