A new method to clarify contribution of chiral magnetic effect in small collision system \(p^{\uparrow} + A\) involving a transversely polarized proton

With experimental data of DIS involving transversely polarized proton, we have calculated the 3-D charge density inside the polarized proton, which is found to have a significant non-spherical symmetry. Then we have calculated the property of electromagnetic field (E-M field) generated by a single t...

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Bibliographic Details
Published inarXiv.org
Main Authors Gui-Zhen Wu, Zong-Wei, Zhang, Chen, Gao, Xu, Yi, Wei-Tian, Deng
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 06.08.2024
Subjects
Charge density
Electromagnetic fields
Magnetic effects
Magnetic properties
Polarization
Protons
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Summary:With experimental data of DIS involving transversely polarized proton, we have calculated the 3-D charge density inside the polarized proton, which is found to have a significant non-spherical symmetry. Then we have calculated the property of electromagnetic field (E-M field) generated by a single transversely polarized proton (\(p^{\uparrow}\)). Based on them, the E-M field generated in small collision system \(p^{\uparrow}+A\) are studied. We find that the orientation of this E-M field has a significant dependence on the polarization direction of the proton, and the correlator (\(\Delta\gamma\) ) has also significant dependence on the angle between reaction plane and polarization direction. This finding provides us a new method for probing the chiral magnetic effect (CME).
ISSN:2331-8422