Femtoscopic Correlation Functions in Density Operator Representation

arXiv:2609.19161 · quant-ph, hep-ex, hep-ph, nucl-ex, nucl-th · Submitted 2026-08-25 · Read on arXiv

quant-ph, hep-ex, hep-ph, nucl-ex, nucl-th

Submitted: 2026-08-25

Updated: 2026-08-25

Comments: 14 pages, 1 figure, comments welcome

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Hilbert Space — 4× in this paper · explained in 2 episodes
• Supplemental Material — 4× in this paper
• Trace — 4× in this paper · explained in 2 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Entanglement — 1× in this paper · explained in 3 episodes
• Homogeneity — 1× in this paper · explained in 2 episodes

Sources

• Particle Interferometry for Relativistic Heavy-Ion Collisions
• Boson Interferometry in High Energy Physics
• Study of the strong interaction among hadrons with correlations at the LHC
• HBT Correlators -- Current Formalism vs. Wigner Function Formulation
• Bose-Einstein Correlations for Three-Dimensionally Expanding, Cylindrically Symmetric, Finite Systems
• Pion interferometry in Au+Au collisions at $\sqrt{\mathrm{s}_{_{\mathrm{NN}}}}$ = 200 GeV
• Pion Interferometry in Au+Au and Cu+Cu Collisions at $\sqrt{s_{\rm{NN}}}$ = 62.4 and 200 GeV
• Two-pion Bose-Einstein correlations in central Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV
• Measurement of interaction between antiprotons
• p-p, p-$\Lambda$ and $\Lambda$-$\Lambda$ correlations studied via femtoscopy in pp reactions at $\sqrt{s}$ = 7 TeV
• First observation of an attractive interaction between a proton and a multi-strange baryon
• Unveiling the strong interaction among hadrons at the LHC
• Extract neutron-neutron interaction strength and spatial-temporal dynamics of neutron emission from two-particle correlation function
• Bose-Einstein correlations: a study of an invariance group
• Can the strong interactions between hadrons be determined using femtoscopy?
• Corrections to the Smoothness and On-Shell Approximations in Femtoscopy and Coalescence
• Partonic Effects on Pion Interferometry at the Relativistic Heavy Ion Collider

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