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The STAR endcap electromagnetic calorimeter

2003; Elsevier BV; Volume: 499; Issue: 2-3 Linguagem: Inglês

10.1016/s0168-9002(02)01971-x

1872-9576

C. Allgower, B. D. Anderson, A. R. Baldwin, J. Balewski, M. Belt-Tonjes, L. C. Bland, R.L. Brown, R. V. Cadman, W. Christie, I. Cyliax, V. B. Dunin, L. G. Efimov, G. Eppley, C. A. Gagliardi, N. Gagunashvili, T. J. Hallman, William H. Hunt, W. W. Jacobs, A. Klyachko, K. Krueger, A. I. Kulikov, A. Ogawa, Y. Panebratsev, M. Planinić, J. Puskar-Pasewicz, G. Rakness, S. V. Razin, O. V. Rogachevski, S. Shimansky, K. Solberg, J. Sowiński, H. Spinka, E. J. Stephenson, V. O. Tikhomirov, M. Tokarev, R. E. Tribble, D. G. Underwood, A. M. Vander Molen, S. E. Vigdor, J. W. Watson, G. D. Westfall, S. W. Wissink, A. Yokosawa, V. I. Yurevich, W.-M. Zhang, A. N. Zubarev,

Dark Matter and Cosmic Phenomena

The STAR endcap electromagnetic calorimeter will provide full azimuthal coverage for high-pT photons, electrons and electromagnetically decaying mesons over the pseudorapidity range 1.086⩽η⩽2.00. It includes a scintillating-strip shower-maximum detector to provide π0/γ discrimination and preshower and postshower layers to aid in distinguishing between electrons and charged hadrons. The triggering capabilities and coverage it offers are crucial for much of the spin physics program to be carried out in polarized proton–proton collisions.