The unexpected uses of a bowling pin: exploiting $^{20}$Ne isotopes for precision characterizations of collectivity in small systems
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , , , , , |
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| Natura: | Preprint |
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2024
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| _version_ | 1866909099304681472 |
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| author | Giacalone, Giuliano Bally, Benjamin Nijs, Govert Shen, Shihang Duguet, Thomas Ebran, Jean-Paul Elhatisari, Serdar Frosini, Mikael Lähde, Timo A. Lee, Dean Lu, Bing-Nan Ma, Yuan-Zhuo Meißner, Ulf-G. Noronha-Hostler, Jacquelyn Plumberg, Christopher Rodríguez, Tomás R. Roth, Robert van der Schee, Wilke Somà, Vittorio |
| author_facet | Giacalone, Giuliano Bally, Benjamin Nijs, Govert Shen, Shihang Duguet, Thomas Ebran, Jean-Paul Elhatisari, Serdar Frosini, Mikael Lähde, Timo A. Lee, Dean Lu, Bing-Nan Ma, Yuan-Zhuo Meißner, Ulf-G. Noronha-Hostler, Jacquelyn Plumberg, Christopher Rodríguez, Tomás R. Roth, Robert van der Schee, Wilke Somà, Vittorio |
| contents | Whether or not femto-scale droplets of quark-gluon plasma (QGP) are formed in so-called small systems at high-energy colliders is a pressing question in the phenomenology of the strong interaction. For proton-proton or proton-nucleus collisions the answer is inconclusive due to the large theoretical uncertainties plaguing the description of these processes. While upcoming data on collisions of $^{16}$O nuclei may mitigate these uncertainties in the near future, here we demonstrate the unique possibilities offered by complementing $^{16}$O$^{16}$O data with collisions of $^{20}$Ne ions. We couple both NLEFT and PGCM ab initio descriptions of the structure of $^{20}$Ne and $^{16}$O to hydrodynamic simulations of $^{16}$O$^{16}$O and $^{20}$Ne$^{20}$Ne collisions at high energy. We isolate the imprints of the bowling-pin shape of $^{20}$Ne on the collective flow of hadrons, which can be used to perform quantitative tests of the hydrodynamic QGP paradigm. In particular, we predict that the elliptic flow of $^{20}$Ne$^{20}$Ne collisions is enhanced by as much as 1.170(8)$_{\rm stat.}$(30)$_{\rm syst.}$ for NLEFT and 1.139(6)$_{\rm stat.}$(39)$_{\rm syst.}$ for PGCM relative to $^{16}$O$^{16}$O collisions for the 1% most central events. At the same time, theoretical uncertainties largely cancel when studying relative variations of observables between two systems. This demonstrates a method based on experiments with two light-ion species for precision characterizations of the collective dynamics and its emergence in a small system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_05995 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The unexpected uses of a bowling pin: exploiting $^{20}$Ne isotopes for precision characterizations of collectivity in small systems Giacalone, Giuliano Bally, Benjamin Nijs, Govert Shen, Shihang Duguet, Thomas Ebran, Jean-Paul Elhatisari, Serdar Frosini, Mikael Lähde, Timo A. Lee, Dean Lu, Bing-Nan Ma, Yuan-Zhuo Meißner, Ulf-G. Noronha-Hostler, Jacquelyn Plumberg, Christopher Rodríguez, Tomás R. Roth, Robert van der Schee, Wilke Somà, Vittorio Nuclear Theory High Energy Physics - Phenomenology Nuclear Experiment Whether or not femto-scale droplets of quark-gluon plasma (QGP) are formed in so-called small systems at high-energy colliders is a pressing question in the phenomenology of the strong interaction. For proton-proton or proton-nucleus collisions the answer is inconclusive due to the large theoretical uncertainties plaguing the description of these processes. While upcoming data on collisions of $^{16}$O nuclei may mitigate these uncertainties in the near future, here we demonstrate the unique possibilities offered by complementing $^{16}$O$^{16}$O data with collisions of $^{20}$Ne ions. We couple both NLEFT and PGCM ab initio descriptions of the structure of $^{20}$Ne and $^{16}$O to hydrodynamic simulations of $^{16}$O$^{16}$O and $^{20}$Ne$^{20}$Ne collisions at high energy. We isolate the imprints of the bowling-pin shape of $^{20}$Ne on the collective flow of hadrons, which can be used to perform quantitative tests of the hydrodynamic QGP paradigm. In particular, we predict that the elliptic flow of $^{20}$Ne$^{20}$Ne collisions is enhanced by as much as 1.170(8)$_{\rm stat.}$(30)$_{\rm syst.}$ for NLEFT and 1.139(6)$_{\rm stat.}$(39)$_{\rm syst.}$ for PGCM relative to $^{16}$O$^{16}$O collisions for the 1% most central events. At the same time, theoretical uncertainties largely cancel when studying relative variations of observables between two systems. This demonstrates a method based on experiments with two light-ion species for precision characterizations of the collective dynamics and its emergence in a small system. |
| title | The unexpected uses of a bowling pin: exploiting $^{20}$Ne isotopes for precision characterizations of collectivity in small systems |
| topic | Nuclear Theory High Energy Physics - Phenomenology Nuclear Experiment |
| url | https://arxiv.org/abs/2402.05995 |