The BigBite Calorimeter for the Super Bigbite Spectrometer Program at Jefferson Lab

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Authors: P. Datta, Evans, Katherine, Jason Bane, Hem Bhatt, Bhesha Raj Devkota, E. Fuchey, Tyler Hague, Douglas W. Higinbotham, A. Hoebel, Mark Jones, A. Karki, Mikhail Kubantsev
+15 more Shujie Li, M. Nycz, R. Pomatsalyuk, A. J. R. Puckett, Igor A. Rachek, S. Riordan, Brad Sawatzky, Sebastian Seeds, Albert Shahinyan, Yu. V. Shestakov, Arun S. Tadepalli, Vladimir Verebryusov, Hakob Voskanyan, B. Wojtsekhowski, Ashley Yoon
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Abstract

We report features of the design, construction, installation, and performance of the BigBite Calorimeter (BBCal), a lead-glass electromagnetic calorimeter constructed as part of the BigBite Spectrometer (BBS), which served as the electron arm for the Super Bigbite Spectrometer (SBS) program of high-precision neutron electromagnetic form factor measurements in Hall A at Jefferson Lab. As a total-absorption calorimeter, BBCal provided the primary electron trigger for BBS, detecting (quasi-) elastically scattered electrons in the 1-4 GeV energy range with an energy resolution of approximately 6.2%, position resolution of 1.2 cm, and timing resolution of 0.5 ns.

Fields of Study & Subjects

Particle Detector Development and Performance Particle physics theoretical and experimental studies Neutrino Physics Research

Publication details

Journal / source
arXiv (Cornell University)
Publication date
15 January 2026
Document type
Preprint