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Quantum pathways for charged track finding in high-energy collisions.

Christopher Brown1, Michael Spannowsky2, Alexander Tapper1

  • 1Department of Physics, Blackett Laboratory, Imperial College, London, United Kingdom.

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We introduce a quantum algorithm for charged particle track finding in high-energy physics. This quantum template matching method improves accuracy and efficiency, even with missing data, showcasing quantum computing

Keywords:
Quantum Amplitude Amplificationcollider phenomenologycollider physicsquantum computingtrack reconstruction

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Area of Science:

  • Collider Physics
  • Quantum Computing
  • High-Energy Particle Physics

Background:

  • Charged track finding is essential in high-energy particle collisions.
  • Current methods face challenges with accuracy and efficiency.
  • Missing hit data complicates track reconstruction.

Purpose of the Study:

  • To propose a novel quantum algorithm for charged track finding.
  • To enhance the accuracy and efficiency of particle track identification.
  • To demonstrate the algorithm's efficacy with incomplete data.

Main Methods:

  • Developed a quantum template matching algorithm.
  • Adapted Quantum Amplitude Amplification with a data register.
  • Utilized a novel oracle for data parsing and template matching without prior input knowledge.

Main Results:

  • Successfully identified charged-particle tracks using hit patterns.
  • Demonstrated robust performance even with missing hit data.
  • Achieved enhanced accuracy and efficiency in track finding.

Conclusions:

  • Quantum computing offers promising methodologies for collider physics.
  • Quantum template matching is a viable approach for real-world track finding.
  • This work highlights the potential of quantum algorithms in particle physics applications.