Research in Lattice Gauge Theory and in the Phenomenology of Neutrinos and Dark Matter
Research in theoretical elementary particle physics was performed by the PI Yannick Meurice and co-PI Mary Hall Reno. New techniques designed for precision calculations of strong interaction physics were developed using the tensor renormalization group method. Large-scale Monte Carlo simulations with dynamical quarks were performed for candidate models for Higgs compositeness. Ab-initio lattice gauge theory calculations of semileptonic decays of B-mesons observed in collider experiments and relevant to test the validity of the standard model were performed with the Fermilab/MILC collaboration. The phenomenology of strong interaction physics was applied to new predictions for physics processes in accelerator physics experiments and to cosmic ray production and interactions. A research focus has been on heavy quark production and their decays to neutrinos. The heavy quark contributions to atmospheric neutrino and muon fluxes have been evaluated, as have the neutrino fluxes from accelerator beams incident on heavy targets. Results are applicable to current and future particle physics experiments and to astrophysical neutrino detectors such as the IceCube Neutrino Observatory.
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- Resource Type:
- Technical Report
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- Related Information: This STI product (Item A) is Documented by: POS Lattice 2013 Proceedings: arXiv:1312.3906, arXiv:1312:3197, arXiv:1311.6552, arXiv:1311.4826; POS Lattice 2014 Proceedings:arXiv:1411.6038, arXiv:1411.4989, arXiv:1411.4213, arXiv:1411.3392, arXiv:1411.3360, Submitted to POS Lattice 2015 Proceedings: arXiv:1512.01737, arXiv:1512.01125; Accepted for publication: arXiv:1504.04855.
- Research Org:
- Univ. of Iowa, Iowa City, IA (United States)
- Sponsoring Org:
- USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
- Country of Publication:
- United States
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; LATTICE FIELD THEORY; NEUTRINOS; T QUARKS; B MESONS; B QUARKS; C QUARKS; STRONG INTERACTIONS; SEMILEPTONIC DECAY; MUONS; HIGGS BOSONS; GAUGE INVARIANCE; STANDARD MODEL; NONLUMINOUS MATTER; COSMIC RADIATION; MONTE CARLO METHOD; COMPUTERIZED SIMULATION; EARTH ATMOSPHERE; PARTICLE PRODUCTION; RENORMALIZATION; TENSORS Lattice gauge theory; Semi-leptonic decays of B-mesons; Tensor renormalization group; Composite Higgs; Atmospheric neutrino fluxes; Dark matter
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