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Constraining the CME in AVFD-simulated heavy-ion collisions using the sliding dumbbell method.

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Title: Constraining the CME in AVFD-simulated heavy-ion collisions using the sliding dumbbell method.
Authors: Singh, Jagbir1 (AUTHOR), Sharma, Anjali2 (AUTHOR), Nain, Ankita3 (AUTHOR), Aggarwal, Madan M.4 (AUTHOR) aggarwal@pu.ac.in
Source: European Physical Journal A -- Hadrons & Nuclei. Mar2026, Vol. 62 Issue 3, p1-14. 14p.
Subjects: Heavy ion collisions, Correlators, Data analysis, Quantum chromodynamics
Abstract: The Anomalous Viscous Fluid Dynamics (AVFD) framework is utilized to generate 79 197 Au + 79 197 Au , 44 96 Ru + 44 96 Ru , and 40 96 Zr + 40 96 Zr collision events at s NN = 200 GeV to investigate the Chiral Magnetic Effect (CME). The CME signal is modulated through the axial charge per entropy density ( n 5 / s ) in each event to produce data sets with varying CME signal strengths. Additionally, a 33 % local charge conservation (LCC) is implemented in each event. These data sets are analyzed using CME-sensitive two- and three-particle correlators. Furthermore, the Sliding Dumbbell Method (SDM) is employed to identify potential CME-like events within each data set. The identified events selected using the SDM exhibit characteristics consistent with CME driven charge separation. The CME fraction in these events is quantified while accounting for background contributions. It is found that a 33 % LCC contribution can mimic the CME signal in both Au + Au and isobar collisions. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal A -- Hadrons & Nuclei is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Constraining the CME in AVFD-simulated heavy-ion collisions using the sliding dumbbell method.
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  Data: <searchLink fieldCode="AR" term="%22Singh%2C+Jagbir%22">Singh, Jagbir</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sharma%2C+Anjali%22">Sharma, Anjali</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nain%2C+Ankita%22">Nain, Ankita</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Aggarwal%2C+Madan+M%2E%22">Aggarwal, Madan M.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> aggarwal@pu.ac.in</i>
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+A+--+Hadrons+%26+Nuclei%22">European Physical Journal A -- Hadrons & Nuclei</searchLink>. Mar2026, Vol. 62 Issue 3, p1-14. 14p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Heavy+ion+collisions%22">Heavy ion collisions</searchLink><br /><searchLink fieldCode="DE" term="%22Correlators%22">Correlators</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis%22">Data analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+chromodynamics%22">Quantum chromodynamics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The Anomalous Viscous Fluid Dynamics (AVFD) framework is utilized to generate 79 197 Au + 79 197 Au , 44 96 Ru + 44 96 Ru , and 40 96 Zr + 40 96 Zr collision events at s NN = 200 GeV to investigate the Chiral Magnetic Effect (CME). The CME signal is modulated through the axial charge per entropy density ( n 5 / s ) in each event to produce data sets with varying CME signal strengths. Additionally, a 33 % local charge conservation (LCC) is implemented in each event. These data sets are analyzed using CME-sensitive two- and three-particle correlators. Furthermore, the Sliding Dumbbell Method (SDM) is employed to identify potential CME-like events within each data set. The identified events selected using the SDM exhibit characteristics consistent with CME driven charge separation. The CME fraction in these events is quantified while accounting for background contributions. It is found that a 33 % LCC contribution can mimic the CME signal in both Au + Au and isobar collisions. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Physical Journal A -- Hadrons & Nuclei is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1140/epja/s10050-026-01796-6
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      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Heavy ion collisions
        Type: general
      – SubjectFull: Correlators
        Type: general
      – SubjectFull: Data analysis
        Type: general
      – SubjectFull: Quantum chromodynamics
        Type: general
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      – TitleFull: Constraining the CME in AVFD-simulated heavy-ion collisions using the sliding dumbbell method.
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            NameFull: Singh, Jagbir
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            NameFull: Sharma, Anjali
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            NameFull: Nain, Ankita
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            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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            – TitleFull: European Physical Journal A -- Hadrons & Nuclei
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