Spin femtoscopy is proposed to separate genuine two-particle spin correlations from quantum statistics and final-state interaction effects via spin-sensitive correlation functions on Lambda pairs.
Chen et al
11 Pith papers cite this work. Polarity classification is still indexing.
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abstract
In the paper, we discuss the development of the multi-gap resistive plate chamber Time-of-Flight (TOF) technology and the production of the STAR TOF detector in China at the beginning of the 21st century. Then we review recent experimental results from the first beam energy scan program (BES-I) at the Relativistic Heavy Ion Collider (RHIC). Topics cover measurements of collectivity, chirality, criticality, global polarization, strangeness, heavy-flavor, di-lepton and light nuclei productions.
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First observation of phi-meson directed flow v1 comparable in magnitude to protons and Lambdas but much larger than K0S, with baryon-like energy dependence at high baryon density.
First measurement of energy correlators in jets from transversely polarized pp collisions at 200 GeV shows sizable spin asymmetries for pions that provide sensitivity to nucleon transversity with reduced fragmentation uncertainties.
First measurements of pT correlations in Au+Au collisions at 3-7.7 GeV reveal non-monotonic energy dependence in central events with 5 sigma significance, breaking 1/sqrt(N_part) scaling.
STAR's Beam Energy Scan-II data reveal non-monotonic fluctuations, hadronic-to-partonic transitions, and first experimental evidence for a weakly bound p-Omega dibaryon state.
JAM model simulations with the new CIGAR framework compute proton cumulants at √sNN = 3.2-4.5 GeV as a non-critical baseline for QCD critical point searches.
New precision v2 measurements show NCQ scaling holds for multi-strange hadrons down to 7.7 GeV, supporting partonic origin of elliptic flow with minimal late-stage distortion.
In the random phase approximation, a convenient renormalization scheme for momentum-dependent meson self-energies shows that the moat regime extent in the QCD phase diagram depends critically on in-medium quark-meson interactions.
Lambda polarization in low-energy heavy-ion collisions depends on the equation of state in UrQMD simulations and arises from shear in the baryon current due to stopping.
New measurements of Lambda hyperon yields in 4.0A-4.5A GeV carbon-nucleus collisions at the Nuclotron are presented and compared with transport model predictions.
citing papers explorer
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Spin Femtoscopy: A Framework for Revealing Genuine Spin Correlations
Spin femtoscopy is proposed to separate genuine two-particle spin correlations from quantum statistics and final-state interaction effects via spin-sensitive correlation functions on Lambda pairs.
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Observation of Strong $\phi$-meson Directed Flow at High Baryon Density
First observation of phi-meson directed flow v1 comparable in magnitude to protons and Lambdas but much larger than K0S, with baryon-like energy dependence at high baryon density.
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Energy Correlators Within Jets in Transversely Polarized Proton-Proton Collisions at $\sqrt{s} = 200$ GeV
First measurement of energy correlators in jets from transversely polarized pp collisions at 200 GeV shows sizable spin asymmetries for pions that provide sensitivity to nucleon transversity with reduced fragmentation uncertainties.
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Non-Monotonicity of Transverse Momentum Correlations in Au + Au Collisions at RHIC
First measurements of pT correlations in Au+Au collisions at 3-7.7 GeV reveal non-monotonic energy dependence in central events with 5 sigma significance, breaking 1/sqrt(N_part) scaling.
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Recent highlights from the STAR Experiment
STAR's Beam Energy Scan-II data reveal non-monotonic fluctuations, hadronic-to-partonic transitions, and first experimental evidence for a weakly bound p-Omega dibaryon state.
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Proton High-Order Cumulants in Au+Au Collisions at High Baryon Density from JAM with a Centrality-Independent Framework
JAM model simulations with the new CIGAR framework compute proton cumulants at √sNN = 3.2-4.5 GeV as a non-critical baseline for QCD critical point searches.
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Elliptic Flow of Multi-strange Hadrons in Au+Au Collisions at $\sqrt{s_{NN}}$ = 7.7-19.6 GeV
New precision v2 measurements show NCQ scaling holds for multi-strange hadrons down to 7.7 GeV, supporting partonic origin of elliptic flow with minimal late-stage distortion.
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Dissecting the moat regime at low energies I: Renormalization and the phase structure
In the random phase approximation, a convenient renormalization scheme for momentum-dependent meson self-energies shows that the moat regime extent in the QCD phase diagram depends critically on in-medium quark-meson interactions.
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Hadron polarization and equation of state at FAIR/RHIC-BES energies
Lambda polarization in low-energy heavy-ion collisions depends on the equation of state in UrQMD simulations and arises from shear in the baryon current due to stopping.
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Production of {\Lambda} hyperons in 4.0A GeV and 4.5A GeV carbon-nucleus interactions at the Nuclotron
New measurements of Lambda hyperon yields in 4.0A-4.5A GeV carbon-nucleus collisions at the Nuclotron are presented and compared with transport model predictions.
- High-order fluctuations of temperature in hot QCD matter