Effects of nuclear structure and quantum interference on diffractive vector meson production in ultraperipheral nuclear collisions
Mäntysaari, H., Salazar, F., Schenke, B., Shen, C., & Zhao, W. (2024). Effects of nuclear structure and quantum interference on diffractive vector meson production in ultraperipheral nuclear collisions. Physical Review C, 109(2), Article 024908. https://doi.org/10.1103/PhysRevC.109.024908
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2024Copyright
© 2024 American Physical Society
We study diffractive vector meson production in ultraperipheral collisions of heavy nuclei, utilizing a theoretical framework based on the color glass condensate formalism. We focus on Au + Au, U + U, Ru + Ru, Zr + Zr, and Pb + Pb collisions, examining the transverse momentum dependence of vector meson production cross-sections and cos(2ΔΦ) asymmetries in the decay product distributions to explore the role of nuclear geometry. The angular modulation is due to the linear polarization of the incoming photons and quantum interference effects. We extract nuclear radii and find them to be consistent with experimental data from the STAR collaboration. The amplitudes of the cos(2ΔΦ) modulation in the cross-section and the extracted radii depend on the nuclear geometry. This dependence is dominated by the geometry-dependent variation of the minimum impact parameter required for ultraperipheral collisions.
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American Physical Society (APS)ISSN Search the Publication Forum
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Research Council of Finland; European CommissionFunding program(s)
Research costs of Academy Research Fellow, AoF; Academy Research Fellow, AoF; RIA Research and Innovation Action, H2020; ERC Advanced Grant
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
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This material is based upon work supported by the U.S. Department of Energy (DOE), Office of Science, Office of Nuclear Physics, under DOE Contract No. DE-SC0012704 (B.P.S.) and Grant No. DE-SC0021969 (C.S.), and within the framework of the Saturated Glue (SURGE) Topical Theory Collaboration. C.S. acknowledges a DOE Office of Science Early Career Award. H.M. is supported by the Research Council of Finland, the Centre of Excellence in Quark Matter, Projects No. 338263 and No. 346567, the European Union's Horizon 2020 research and innovation program under European Research Council Grant No. ERC-2018-ADG-835105 (YoctoLHC), and the STRONG-2020 project under Grant No. 824093, and wishes to thank the EIC Theory Institute at BNL for its hospitality during the completion of this work. F.S. is supported by NSF Grant No. PHY-1945471, and partially supported by the UC Southern California Hub, with funding from the UC National Laboratories division of the University of California Office of the President. F.S. and W.B.Z. are supported by DOE under Contract No. DE-AC02-05CH11231, by NSF under Grant No. OAC-2004571 within the X-SCAPE Collaboration, and within the framework of the SURGE Topical Theory Collaboration. W.B.Z. is also supported by DOE Contract No. DE-AC02-05CH11231, and within the framework of the SURGE Topical Theory Collaboration. This research was done using resources provided by the Open Science Grid [77,78], which is supported by NSF Grant No. 2030508. ...License
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