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CERN Accelerating science

CMS Note
Report number CMS-NOTE-2006-044
Title Design, Performance and Calibration of the CMS Forward Calorimeter Wedges
Author(s)

Baiatian, G (Yerevan Phys. Inst.) ; Sirunyan, Albert M (Yerevan Phys. Inst.) ; Emeliantchik, Igor (Minsk, NCPHEP) ; Massolov, V (Minsk, NCPHEP) ; Shumeiko, Nikolai (Minsk, NCPHEP) ; Stefanovich, R (Minsk, NCPHEP) ; Damgov, Jordan (Sofiya, Inst. Nucl. Res.) ; Dimitrov, Lubomir (Sofiya, Inst. Nucl. Res.) ; Genchev, Vladimir (Sofiya, Inst. Nucl. Res.) ; Piperov, Stefan (Sofiya, Inst. Nucl. Res.) ; Vankov, Ivan (Sofiya, Inst. Nucl. Res.) ; Litov, Leander (Sofiya U.) ; Bencze, Gyorgy (Budapest, RMKI) ; Laszlo, Andras (Budapest, RMKI) ; Pal, Andras (Budapest, RMKI) ; Vesztergombi, Gyorgy (Budapest, RMKI) ; Zálán, Peter (Budapest, RMKI) ; Fenyvesi, Andras (KLTE-ATOMKI) ; Bawa, Harinder Singh (Panjab U.) ; Beri, Suman Bala (Panjab U.) ; Bhatnager, V (Panjab U.) ; Kaur, Manjit (Panjab U.) ; Kumar, Arun (Panjab U.) ; Kohli, Jatinder Mohan (Panjab U.) ; Singh, Jas Bir (Panjab U.) ; Acharya, Bannaje Sripathi (Tata Inst.) ; Chendvankar, Sanjay (Tata Inst.) ; Dugad, Shashikant (Tata Inst.) ; Kalmani, Suresh Devendrappa (Tata Inst.) ; Katta, S (Tata Inst.) ; Mazumdar, Kajari (Tata Inst.) ; Mondal, Naba Kumar (Tata Inst.) ; Nagaraj, P (Tata Inst.) ; Patil, Mandakini Ravindra (Tata Inst.) ; Reddy, L V (Tata Inst.) ; Satyanarayana, B (Tata Inst.) ; Sharma, Seema (Tata Inst.) ; Verma, Piyush (Tata Inst.) ; Hashemi, Majid (Sharif U. of Tech.) ; Mohammadi-Najafabadi, M (Sharif U. of Tech.) ; Paktinat, S (Sharif U. of Tech.) ; Babich, Kanstantsin (Dubna, JINR) ; Golutvin, Igor (Dubna, JINR) ; Kalagin, Vladimir (Dubna, JINR) ; Kosarev, Ivan (Dubna, JINR) ; Ladygin, Vladimir (Dubna, JINR) ; Meshcheryakov, Gleb (Dubna, JINR) ; Moissenz, P (Dubna, JINR) ; Petrosian, A (Dubna, JINR) ; Rogalev, Evgueni (Dubna, JINR) ; Sergeyev, S (Dubna, JINR) ; Smirnov, Vitaly (Dubna, JINR) ; Vishnevski, A V (Dubna, JINR) ; Volodko, Anton (Dubna, JINR) ; Zarubin, Anatoli (Dubna, JINR) ; Gavrilov, Vladimir (Moscow, ITEP) ; Gershtein, Yuri (Moscow, ITEP) ; Ilyina, N P (Moscow, ITEP) ; Kaftanov, Vitali (Moscow, ITEP) ; Kisselevich, I (Moscow, ITEP) ; Kolossov, V (Moscow, ITEP) ; Krokhotin, Andrey (Moscow, ITEP) ; Kuleshov, Sergey (Moscow, ITEP) ; Litvintsev, Dmitri (Moscow, ITEP) ; Oulyanov, A (Moscow, ITEP) ; Safronov, S (Moscow, ITEP) ; Semenov, Sergey (Moscow, ITEP) ; Stolin, Viatcheslav (Moscow, ITEP) ; Gribushin, Andrey (Moscow State U.) ; Demianov, A (Moscow State U.) ; Kodolova, Olga (Moscow State U.) ; Petrushanko, Sergey (Moscow State U.) ; Sarycheva, Ludmila (Moscow State U.) ; Teplov, Konstantin (Moscow State U.) ; Vardanyan, Irina (Moscow State U.) ; Yershov, A A (Moscow State U.) ; Abramov, Victor (Serpukhov, IHEP) ; Goncharov, Petr (Serpukhov, IHEP) ; Kalinin, Alexey (Serpukhov, IHEP) ; Korablev, Andrey (Serpukhov, IHEP) ; Khmelnikov, V A (Serpukhov, IHEP) ; Korneev, Yury (Serpukhov, IHEP) ; Krinitsyn, Alexander (Serpukhov, IHEP) ; Kryshkin, V (Serpukhov, IHEP) ; Lukanin, Vladimir (Serpukhov, IHEP) ; Pikalov, Vladimir (Serpukhov, IHEP) ; Ryazanov, Anton (Serpukhov, IHEP) ; Talov, Vladimir (Serpukhov, IHEP) ; Turchanovich, L K (Serpukhov, IHEP) ; Volkov, Alexey (Serpukhov, IHEP) ; Camporesi, Tiziano (CERN) ; De Visser, Theo (CERN) ; Vlassov, E (CERN) ; Aydin, Sezgin (Cukurova U.) ; Bakirci, Mustafa Numan (Cukurova U.) ; Cerci, Salim (Cukurova U.) ; Dumanoglu, Isa (Cukurova U.) ; Eskut, Eda (Cukurova U.) ; Kayis-Topaksu, A (Cukurova U.) ; Koylu, S (Cukurova U.) ; Kurt, Pelin (Cukurova U.) ; Kuzucu, A (Cukurova U.) ; Onengüt, G (Cukurova U.) ; Ozdes-Koca, N (Cukurova U.) ; Ozkurt, Halil (Cukurova U.) ; Sogut, Kenan (Cukurova U.) ; Topakli, Huseyin (Cukurova U.) ; Vergili, Mehmet (Cukurova U.) ; Yetkin, Taylan (Cukurova U.) ; Cankocak, Kerem (Middle East Tech. U., Ankara) ; Gamsizkan, Halil (Middle East Tech. U., Ankara) ; Ozkan, Cigdem (Middle East Tech. U., Ankara) ; Sekmen, Sezen (Middle East Tech. U., Ankara) ; Serin-Zeyrek, M (Middle East Tech. U., Ankara) ; Sever, Ramazan (Middle East Tech. U., Ankara) ; Yazgan, Efe (Middle East Tech. U., Ankara) ; Zeyrek, Mehmet (Middle East Tech. U., Ankara) ; Deliomeroglu, Mehmet (Bogazici U.) ; Dindar, Kamile (Bogazici U.) ; Gülmez, Erhan (Bogazici U.) ; Isiksal, Engin (Bogazici U.) ; Kaya, Mithat (Bogazici U.) ; Ozkorucuklu, Suat (Bogazici U.) ; Levchuk, Leonid (Kharkov, KIPT) ; Sorokin, Pavel (Kharkov, KIPT) ; Grinev, B (Kharkov, Single Crystals Res. Inst.) ; Lubinsky, V (Kharkov, Single Crystals Res. Inst.) ; Senchyshyn, Vitaliy (Kharkov, Single Crystals Res. Inst.) ; Anderson, E Walter (Iowa State U.) ; Hauptman, John M (Iowa State U.) ; Elias, John E (Fermilab) ; Freeman, Jim (Fermilab) ; Green, Dan (Fermilab) ; Heering, Arjan Hendrix (Fermilab) ; Lazic, Dragoslav (Fermilab) ; Los, Serguei (Fermilab) ; Ronzhin, Anatoly (Fermilab) ; Suzuki, Ichiro (Fermilab) ; Vidal, Richard (Fermilab) ; Whitmore, Juliana (Fermilab) ; Antchev, Georgy (Boston U.) ; Arcidy, M (Boston U.) ; Hazen, Eric (Boston U.) ; Lawlor, C (Boston U.) ; Machado, Emanuel (Boston U.) ; Posch, C (Boston U.) ; Rohlf, James (Boston U.) ; Sulak, Lawrence (Boston U.) ; Varela, F (Boston U.) ; Wu, Shouxiang (Boston U.) ; Adams, Mark Raymond (Illinois U., Chicago) ; Burchesky, Kyle (Illinois U., Chicago) ; Qiang, W (Illinois U., Chicago) ; Abdullin, Salavat (Maryland U.) ; Baden, Drew (Maryland U.) ; Bard, Robert (Maryland U.) ; Eno, Sarah Catherine (Maryland U.) ; Grassi, Tullio (Maryland U.) ; Jarvis, Chad (Maryland U.) ; Kellogg, Richard G (Maryland U.) ; Kunori, Shuichi (Maryland U.) ; Mans, Jeremy (Maryland U.) ; Skuja, Andris (Maryland U.) ; Wang, Lei (Maryland U.) ; Wetstein, Matthew (Maryland U.) ; Ayan, S (Iowa U.) ; Akgun, Ugur (Iowa U.) ; Duru, Firdevs (Iowa U.) ; Merlo, Jean-Pierre (Iowa U.) ; Mestvirishvili, Alexi (Iowa U.) ; Miller, Michael (Iowa U.) ; Norbeck, Edwin (Iowa U.) ; Olson, Jonathan (Iowa U.) ; Onel, Yasar (Iowa U.) ; Schmidt, Ianos (Iowa U.) ; Akchurin, Nural (Texas Tech.) ; Carrell, Kenneth Wayne (Texas Tech.) ; Gumus, Kazim (Texas Tech.) ; Kim, Heejong (Texas Tech.) ; Spezziga, Mario (Texas Tech.) ; Thomas, Ray (Texas Tech.) ; Wigmans, Richard (Texas Tech.) ; Baarmand, Marc M (Florida Inst. Tech.) ; Mermerkaya, Hamit (Florida Inst. Tech.) ; Vodopyanov, I (Florida Inst. Tech.) ; Kramer, Laird (Florida Intl. U.) ; Linn, Stephan (Florida Intl. U.) ; Markowitz, Pete (Florida Intl. U.) ; Martínez, German (Florida Intl. U.) ; Cushman, Priscilla (Minnesota U.) ; Ma, Yousi (Minnesota U.) ; Sherwood, Brian (Minnesota U.) ; Cremaldi, Lucien Marcus (Mississippi U.) ; Reidy, Jim (Mississippi U.) ; Sanders, David A (Mississippi U.) ; Fisher, Wade Cameron (Princeton U.) ; Tully, Christopher (Princeton U.) ; Hagopian, Sharon (Florida State U.) ; Hagopian, Vasken (Florida State U.) ; Johnson, Kurtis F (Florida State U.) ; Barnes, Virgil E (Purdue U.) ; Laasanen, Alvin T (Purdue U.) ; Pompos, Arnold (Purdue U.)

Publication 2008
Imprint Feb 2006
Number of pages 42
In: Eur. Phys. J. C 53 (2008) 139-166
DOI 10.1140/epjc/s10052-007-0459-4
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN LHC ; CMS
Free keywords HCAL
Abstract We report on the test beam results and calibration methods using charged particles of the CMS Forward Calorimeter (HF). The HF calorimeter covers a large pseudorapidity region (3\l |\eta| \le 5), and is essential for large number of physics channels with missing transverse energy. It is also expected to play a prominent role in the measurement of forward tagging jets in weak boson fusion channels. The HF calorimeter is based on steel absorber with embedded fused-silica-core optical fibers where Cherenkov radiation forms the basis of signal generation. Thus, the detector is essentially sensitive only to the electromagnetic shower core and is highly non-compensating (e/h \approx 5). This feature is also manifest in narrow and relatively short showers compared to similar calorimeters based on ionization. The choice of fused-silica optical fibers as active material is dictated by its exceptional radiation hardness. The electromagnetic energy resolution is dominated by photoelectron statistics and can be expressed in the customary form as a/\sqrt{E} + b. The stochastic term a is 198% and the constant term b is 9%. The hadronic energy resolution is largely determined by the fluctuations in the neutral pion production in showers, and when it is expressed as in the electromagnetic case, a = 280% and b = 11%.
Copyright/License Preprint: (License: CC-BY-4.0)

Corresponding record in: Inspire


 Registro creado el 2006-05-18, última modificación el 2018-09-24


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