An Update to the Letter of Intent for MATHUSLA: Search for Long-Lived Particles at the HL-LHC

  title={An Update to the Letter of Intent for MATHUSLA: Search for Long-Lived Particles at the HL-LHC},
  author={C. Alpigiani and J. C. Arteaga-Vel'azquez and A. Ball and L. Barak and J. Barron and B. Batell and J. Beacham and Yan Benhammo and K. S. Caballero-Mora and P. Camarri and R. Cardarelli and J. Chou and Wentao Cui and D. Curtin and M. Diamond and K. Dienes and Liam Dougherty and G. D. Sciascio and M. Drewes and E. Etzion and R. Essig and J. Evans and A. F. Tellez and O. Fischer and J. Freeman and J. G{\'a}ll and Ali Garabaglu and S. Giagu and Stephen Elliott Greenberg and B. Gomber and R. Guida and A. Haas and Y. Heng and S. Hsu and G. Iaselli and K. Johns and A. Kvam and D. Lazi{\'c} and L. Li and B. Liberti and Z. Liu and H. Lubatti and Lillian Luo and G. Marsella and M. I. M. Hern{\'a}ndez and M. McCullough and D. McKeen and P. Meade and Gilad Mizrachi and O. G. Morales-Olivares and David Morrissey and Meny Raviv Moshe and A. Policicchio and M. Proffitt and D. C. Ramirez and M. Reece and S. Robertson and M. Rodr'iguez-Cahuantzi and A. D. Roeck and Amber Roepe and J. Rothberg and J. J. Russell and H. Russell and R. Santonico and M. Schioppa and J. Shelton and B. Shuve and Y. Silver and Luigi Di Stante and D. Stolarski and M. Strauss and D. Strom and J. Stupak and M. Vasquez and S. Swain and G. Munoz and S. A. Thayil and B. Thomas and Yu-Hsin Tsai and E. Torr{\'o} and G. Watts and C. Young and J. Zurita},
  journal={arXiv: Instrumentation and Detectors},
  • C. Alpigiani, J. C. Arteaga-Vel'azquez, +80 authors J. Zurita
  • Published 2020
  • Physics
  • arXiv: Instrumentation and Detectors
  • We report on recent progress in the design of the proposed MATHUSLA Long Lived Particle (LLP) detector for the HL-LHC, updating the information in the original Letter of Intent (LoI), see CDS:LHCC-I-031, arXiv:1811.00927. A suitable site has been identified at LHC Point 5 that is closer to the CMS Interaction Point (IP) than assumed in the LoI. The decay volume has been increased from 20 m to 25 m in height. Engineering studies have been made in order to locate much of the decay volume below… CONTINUE READING
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