English

The SHMS 11 GeV/c Spectrometer in Hall C at Jefferson Lab

Instrumentation and Detectors 2025-12-02 v2 Nuclear Experiment

Abstract

The Super High Momentum Spectrometer (SHMS) has been built for Hall C at the Thomas Jefferson National Accelerator Facility (Jefferson Lab). With a momentum capability reaching 11 GeV/c, the SHMS provides measurements of charged particles produced in electron-scattering experiments using the maximum available beam energy from the upgraded Jefferson Lab accelerator. The SHMS is an ion-optics magnetic spectrometer comprised of a series of new superconducting magnets which transport charged particles through an array of triggering, tracking, and particle-identification detectors that measure momentum, energy, angle and position in order to allow kinematic reconstruction of the events back to their origin at the scattering target. The detector system is protected from background radiation by a sophisticated shielding enclosure. The entire spectrometer is mounted on a rotating support structure which permits measurements to be taken with a large acceptance over laboratory scattering angles from 5.5 to 40 degrees, thus allowing a wide range of low cross-section experiments to be conducted. These experiments complement and extend the previous Hall C research program to higher energies.

Keywords

Cite

@article{arxiv.2503.08706,
  title  = {The SHMS 11 GeV/c Spectrometer in Hall C at Jefferson Lab},
  author = {S. Ali and A. Ahmidouch and G. R. Ambrose and A. Asaturyan and C. Ayerbe Gayoso and J. Benesch and V. Berdnikov and H. Bhatt and D. Bhetuwal and D. Biswas and P. Brindza and M. Bukhari and M. Burton and R. Carlini and M. Carmignotto and M. E. Christy and C. Cotton and J. Crafts and D. Day and S. Danagoulian and A. Dittmann and D. H. Dongwi and B. Duran and D. Dutta and R. Ent and H. Fenker and M. Fowler and D. Gaskell and A. Hamdi and N. Heinrich and W. Henry and N. Hlavin and T. Horn and G. M. Huber and Y. Ilieva and J. Jarrell and S. Jia and M. K. Jones and M. Junaid and M. L. Kabir and N. Kalantarians and A. Karki and S. J. D. Kay and C. E. Keppel and V. Kumar and S. Lassiter and W. B. Li and D. Mack and S. Malace and J. McMahon and A. Mkrtchyan and H. Mkrtchyan and P. Monaghan and C. Morean and P. Nadel-Turonski and G. Niculescu and M. I. Niculescu and A. Nadeeshani and J. Pan and E Pooser and J. Okine and A. Ramos and J. Reinhold and B. Sawatzky and I. Steel and H. Szumila-Vance and V. Tadevosyan and J. Taylor and R. L. Trotta and A. Usman and C. Yero and M. Yurov and S. Zhamkochyan and S. A. Wood and J. Zhang},
  journal= {arXiv preprint arXiv:2503.08706},
  year   = {2025}
}

Comments

Accepted by NIMA