Leveraging Staggered Tessellation for Enhanced Spatial Resolution in High-Granularity Calorimeters

TL;DR

This paper introduces a novel staggered tessellation design with HEXPLIT re-weighting algorithm to significantly improve spatial resolution in high-granularity calorimeters, especially for neutron detection.

Contribution

It presents a new staggered tessellation approach combined with HEXPLIT, achieving approximately twofold enhancement in neutron position resolution over traditional designs.

Findings

Twofold improvement in neutron position resolution

Effective use of hexagonal staggered tessellations

Potential to enhance particle-flow performance

Abstract

We advance the concept of high-granularity calorimeters with staggered tessellations, underscoring the effectiveness of a design incorporating multifold staggering cycles based on hexagonal cells to enhance position resolution. Moreover, we introduce HEXPLIT, a sub-cell re-weighting algorithm tailored to harness staggered designs, resulting in additional performance improvements. By combining our proposed staggered design with HEXPLIT, we achieve an approximately twofold enhancement in position resolution for neutrons across a wide energy range, as compared to unstaggered designs. These findings hold the potential to elevate particle-flow performance across various forthcoming facilities.