CERN Accelerating science

Article
Title	The EEE Project: Cosmic rays, multigap resistive plate chambers and high school students
Author(s)	Abbrescia, M. (INFN, Bari ; Bari U.) ; Aiola, S (Catania U. ; INFN, Catania) ; Antolini, R (Gran Sasso) ; Avanzini, C (Pisa U. ; INFN, Pisa) ; Baldini Ferroli, R (Frascati ; Enrico Fermi Ctr., Rome) ; Bencivenni, G (Frascati) ; Bossini, E (Pisa U. ; INFN, Pisa) ; Bressan, E (Bologna U. ; INFN, Bologna ; Enrico Fermi Ctr., Rome) ; Chiavassa, A (Turin U. ; INFN, Turin) ; Cicalo, C (Cagliari U. ; INFN, Cagliari) ; Cifarelli, L (Bologna U. ; INFN, Bologna) ; Coccia, E (Gran Sasso) ; De Gruttula, D (Salerno U. ; INFN, Salerno) ; De Pasquale, S (Salerno U. ; INFN, Salerno) ; Di Giovanni, A (Gran Sasso) ; D'Incecco, M (Gran Sasso) ; Doroud, K (Erice, Majorana Ctr.) ; Dreucci, M (Frascati) ; Fabbri, FL (Frascati) ; Frolov, V (Turin U. ; INFN, Turin) ; Garbini, M (Bologna U. ; INFN, Bologna ; Enrico Fermi Ctr., Rome) ; Gemme, G (INFN, Genoa ; Genoa U.) ; Gnesi, I (INFN, Turin ; Turin U.) ; Gustavino, C (Gran Sasso) ; Hatzifotiadu, D (INFN, Bologna ; Bologna U. ; CERN) ; La Rocca, P (INFN, Catania ; Catania U. ; Enrico Fermi Ctr., Rome) ; Li, S (Erice, Majorana Ctr.) ; Moro, R (Gran Sasso) ; Miozzi, S (Frascati) ; Massai, M (INFN, Pisa ; Pisa U.) ; Maggiora, A (INFN, Turin ; Turin U.) ; Librizzi, F (INFN, Catania ; Catania U.) ; Piragino, G (INFN, Turin ; Turin U.) ; Pilo, F (INFN, Pisa ; Pisa U.) ; Perasso, L (INFN, Genoa ; Genoa U.) ; Paoletti, R (INFN, Pisa ; Pisa U.) ; Righini, GC (Enrico Fermi Ctr., Rome) ; Scapparone, E (INFN, Bologna ; Bologna U.) ; Sartorelli, G (INFN, Bologna ; Bologna U.) ; Romano, F (INFN, Bari ; Bari U.) ; Serci, S (INFN, Cagliari ; Cagliari U.) ; Selvi, M (INFN, Bologna ; Bologna U.) ; Scribano, A (INFN, Pisa ; Pisa U.) ; Riggi, F (INFN, Catania ; Catania U.) ; Regano, A (INFN, Bari ; Bari U. ; Enrico Fermi Ctr., Rome) ; Squarcia, S (INFN, Genoa ; Genoa U.) ; Spandre, G (INFN, Pisa ; Pisa U.) ; Toselli, F (INFN, Turin ; Turin U.) ; Taiuti, M (INFN, Genoa ; Genoa U.) ; Zichichi, A (Enrico Fermi Ctr., Rome ; INFN, Bologna ; Bologna U. ; CERN) ; Zouyevski, R (CERN) ; Williams, MCS (Enrico Fermi Ctr., Rome ; INFN, Bologna ; Bologna U. ; CERN) ; Votano, L (Gran Sasso) ; Siddi, E (INFN, Cagliari ; Cagliari U.) ; Panareo, M (INFN, Lecce ; Salento U.)
Publication	2012
Number of pages	7
In:	PoS RPC2012 (2012) pp.012
In:	11th Workshop on Resistive Plate Chambers and Related Detectors, Frascati (rome), Italy, 5 - 10 Feb 2012, pp.012
Abstract	The Gas Gain Monitoring (GGM) system of the Resistive Plate Chamber (RPC) muon detector in the Compact Muon Solenoid (CMS) experiment provides fast and accurate determination of the stability in the working point conditions due to gas mixture changes in the closed loop recirculation system. In 2011 the GGM began to operate using a feedback algorithm to control the applied voltage, in order to keep the GGM response insensitive to environmental temperature and atmospheric pressure variations. Recent results are presented on the feedback method used and on alternative algorithms.
Copyright/License	Publication: (License: CC-BY-NC-SA-3.0)

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