Work

Analysis note: one-point charge correlator with DELPHI Open Data

Year: 2026

Type: preprint

Abstract: We present the first measurement of the one-point charge correlator, the angular flux of electric charge in hadronic final states, using DELPHI Open Data collected at LEP-1 at $\sqrt{s} = 91.2$~GeV during 1994 and 1995. The data, corrected for detector effects, exhibit a clear $\sin(2θ)$ modulation, consistent with the parity-violating hadronic charge flow that the chiral structure of the $Z$ couplings imprints on the final state. The measurement demonstrates the experimental feasibility of the observable and establishes strategies for controlling associated detector effects, thereby motivating a new program to measure charge-flux observables. This note documents the experimental details supporting the companion experimental paper and the joint theory--experiment Letter.

Source: arXiv (Cornell University)

DOI: 10.48550/arxiv.2608.15367

Authors: Zhang, Jingyu, Chen, Yi, Lee, Kyle, Moult, Ian, Baldenegro, Cristian, Bossi, Hannah, Lee, Yen-Jie

Institutions: Vanderbilt University, Argonne National Laboratory, Yale University, Massachusetts Institute of Technology

Language: English

Topic: Particle physics theoretical and experimental studies

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

Funder: Kavli Institute for Theoretical Physics, University of California, Santa Barbara

OpenAlex ID: W7203659958

Cites: 15

Cited by: 5

Related to: 10