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Analyzing N-Point Energy Correlators inside Jets with CMS Open Data.

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  • 1Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.

Physical Review Letters
|February 17, 2023
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Summary
This summary is machine-generated.

High-energy particle collisions at the Large Hadron Collider (LHC) allow direct measurement of multipoint correlation functions within jets. This breakthrough offers new insights into quantum chromodynamics (QCD) jet dynamics and quark-gluon interactions.

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Area of Science:

  • High-energy physics
  • Quantum Chromodynamics (QCD)
  • Particle physics

Background:

  • Jets of hadrons from high-energy colliders probe the behavior of quarks and gluons.
  • Understanding jet dynamics is crucial for particle physics research.

Purpose of the Study:

  • To demonstrate the direct measurement of multipoint correlation functions of energy flow operators within jets.
  • To explore new methods for probing QCD jet dynamics using these correlators.
  • To enable direct imaging of the transition from confined quarks and gluons to hadrons.

Main Methods:

  • Utilizing Open Data from the CMS experiment at the Large Hadron Collider (LHC).
  • Measuring multipoint correlation functions of energy flow operators within jets.
  • Reformulating jet substructure analysis using these correlators.

Main Results:

  • Successfully measured multipoint correlation functions of energy flow operators in jets for the first time.
  • Demonstrated that these correlators provide novel ways to study QCD jet dynamics.
  • Enabled direct imaging of the confining transition to hadrons.

Conclusions:

  • This work opens a new era in understanding jet substructure.
  • Highlights the potential of high-quality LHC data for elucidating QCD dynamics.
  • Facilitates precision measurements of quark and gluon scaling properties and interactions.