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Publication Information
Title Mechanical structure of a spin-1 particle
Abstract We investigate the mechanical structure of a spin-1 particle. Introducing three different frameworks, i.e., the three-dimensional (3D) Breit frame, the two-dimensional (2D) Breit frame, and the 2D infinite momentum frame (equivalently the two-dimensional Drell-Yan frame), we scrutinize the 2D and 3D energy¿momentum tensor (EMT) distributions in these frames. We first derive the EMT distributions in the 2D Breit frame by performing the Abel transformation. The mass distribution in the 2D Breit frame contains an additional monopole contribution induced geometrically. The pressure distribution in the 2D Breit frame also gets an induced monopole structure. When the Lorentz boost is carried out, the mass distribution in the 2D infinite-momentum frame acquires the induced dipole term. Similarly, we also have the induced dipole contributions to the pressure and shear-force densities. We visualize the 2D mass distributions when the spin¿1 particle is polarized along the x- and z-axes. W
Author(s) Jun-Young Kim , Bao-Dong Sun, Dongyan Fu, Hyun-Chul Kim
Publication Date March 2023
Document Type Journal Article
Primary Institution Thomas Jefferson National Accelerator Facility, Newport News
Affiliation Theory & Comp Physics / THEORY CENTER / THEORY CENTER
Funding Source Nuclear Physics (NP)
Proprietary? No
This publication conveys Technical Science Results
Document Numbers
JLAB Number: JLAB-THY-23-3759 OSTI Number: 1959918
LANL Number: arXiv:2208.01240 Other Number: DOE/OR/23177-5779
Associated with an experiment No
Associated with EIC No
Supported by Jefferson Lab LDRD Funding No
Journal Article
Journal Name Physical Review D
Refereed No
Volume 107
Issue 054007
Page(s)
Attachments/Datasets/DOI Link
Document(s)
2208.01240.pdf (STI Document)
PhysRevD.107.054007.pdf (Accepted Manuscript)
DOI Link
Dataset(s) (none)
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