CERN Accelerating science

CERN Document Server Pronađeno je 83 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.56 sekundi 
1.
LHC Heavy Ions : A CMS Perspective / Norbeck, E (Iowa U. ) ; Önel, Y M (Iowa U. )
The LHC will collide protons at sqrt{s} = 14 TeV and lead ions at sqrt _NN = 5.5 TeV. These energies are much higher than with the Fermilab Tevatron or RHIC. [...]
CMS-CR-2005-004.- Geneva : CERN, 2005 Fulltext: PDF PS.Z;
In : 20th Winter Workshop on Nuclear Dynamics, Trelawny Beach, Jamaica, 15 - 20 Mar 2004
2.
Selection and testing of 2000 photomultiplier tubes for the CMS-HF forward calorimeter / Gülmez, E ; Akgun, U ; Anderson, E W ; Ayan, A S ; Brücken, P ; Duru, F ; Mestvirishvili, A ; Miller, M ; Olson, J ; Önel, Y M (Univ. Iowa, Iowa City) et al.
The CMS-HF forward calorimeter has specific requirements for the construction and the operation of the detector. The phototubes suggested by several manufacturers were tested and Hamamatsu R7525HA photomultiplier tube conformed best to these requirements. [...]
2004
In : 21st IEEE Instrumentation and Measurement Technology Conference, Como, Italy, 18 - 20 May 2004, pp.1870-2 (Vol.3)
3.
Present status of CMS HF quartz fiber calorimetry / Önel, Y M (Univ. Iowa, Iowa City)
The experiments at the Large Hadron Collider will have to deal with unprecedented radiation levels. The design of the CMS forward calorimetry detector (HF) is now finalized. [...]
2002
In : 10th International Conference On Calorimetry In Particle Physics, Pasadena, CA, USA, 25 - 29 Mar 2002, pp.504-14
4.
Complete tests of 2000 Hamamatsu R7525HA Phototubes for the CMS-HF Forward Calorimeter / Akgun, Ugur ; Ayan, Ahmet Sedat ; Brücken, P ; Duru, Firdevs ; Gülmez, Erhan ; Mestvirishvili, Alexi ; Miller, Michael ; Olson, Jonathan ; Önel, Y M ; Schmidt, Ianos
Approximately 2000 PMTs will be used to detect the Cherenkov light generated in the fibers embedded in the CMS-HF Forward Calorimeter. Hamamatsu R7525HA PMT was chosen for this purpose. [...]
CMS-NOTE-2004-019.- Geneva : CERN, 2004 Fulltext: PDF PS.Z;
5.
Double - spin asymmetry (ALL) measurements in charmonium production at 200 GeV/c / Beddo, M E ; Akchurin, N ; Amura, N ; Belikov, N I ; Burleson, G R (Argonne National Laboratory) ; Bystrický, J ; Carey, D C ; Corcoran, M D ; Cossairt, D ; Derevshchikov, A A et al.
FERMILAB-PROPOSAL-0838.
- 1991. - 47 p.
6.
CMS TriDAS project : Technical Design Report, Volume 1: The Trigger Systems
CERN-LHCC-2000-038 CMS-TDR-6-1. - 599 p. (Technical design report. CMS ; 6.1)

7.
Comparison of PMTs From Three Different Manufacturers for the CMS-HF Forward Calorimeter / Akgun, Ugur (Iowa State U.) ; Anderson, E Walter (Iowa State U.) ; Ayan, Ahmet Sedat (Iowa U.) ; Gülmez, Erhan (Bogazici U.) ; Miller, Michael (Iowa U.) ; Önel, Y M (Iowa U.) ; Schmidt, Ianos (Iowa U.) ; Winn, Dave (Fairfield U.)
The builders of the CMS forward hadron calorimeter established a set of specifications for readout PMTs that reflected the physics goals and mechanical needs of the CMS experiment. Three manufacturers, Hamamatsu, Photonis (Philips), and Electron Tubes (EMI), provided candidate PMT based on these initial requirements. [...]
CMS-NOTE-2003-029.- Geneva : CERN, 2003 Fulltext: PDF PS.Z;
8.
Energy Resolution and the Linearity of the CMS Forward Quartz Fiber Calorimetry Pre-Production-Prototype (PPP-I) / Ayan, Ahmet Sedat (Iowa U.) ; Akchurin, Nural (Iowa State U.) ; Akgun, Ugur (Iowa U.) ; Anderson, E Walter (Iowa State U.) ; Bagoly, Zsolt (Moscow, ITEP) ; Bencze, Gyorgy (Budapest, RMKI) ; Brücken, P (Iowa State U.) ; Debreczeni, Gergely (Budapest, RMKI) ; Dumanoglu, Isa (Cukurova U.) ; Eskut, Eda (Cukurova U.) et al.
The first pre-production-prototype (PPP-I) of the quartz fiber calorimeter of the CMS detector has been tested at CERN.The calorimeter consists of quartz fibers embedded in an iron matrix. Results are presented on the energy resolution of the prototype for electron and pions and the signal uniformity and linearity..
CMS-NOTE-2003-030.- Geneva : CERN, 2003 Fulltext: PDF PS.Z;
9.
Preliminary Results from in Situ Quartz Fiber Neutron Irradiations / Akchurin, Nural (University of Iowa, Department of Physics, USA) ; Anderson, W (Iowa State University, Department of Physics, Ames, USA) ; Ayan, S (Middle East Technical University Department of Physics, Ankara, Turkey) ; Ayan, S (University of Iowa, Department of Physics, USA) ; Bencze, Gyorgy (KFKI-RMKI, Budapest, Hungary) ; Dumano, I (Cukurova University, Department of Physics, Adana, Turkey) ; Fenyvesi, Andras (ATOMKI, Debrecen, Hungary) ; Hauptman, John M (Iowa State University, Department of Physics, Ames, USA) ; Merlo, Jean-Pierre (University of Iowa, Department of Physics, USA) ; Miller, Michael (University of Iowa, Department of Physics, USA) et al.
Optical transmission characteristics of multi-mode synthetic silica-core fibers between 325 nm and 800 nm were studied in situ while irradiated with neutrons. In one case, fiber samples were placed in the core of a 10-kWatt reactor; in the other, fast neutrons generated by p ( 18 MeV) + Be reaction in a cyclotron, irradiated the fibers. [...]
CMS-NOTE-1998-056.- Geneva : CERN, 1998 Fulltext: PDF PS.Z;
10.
Beam Test Results of a Longitudinally Segmented Quartz Fiber Calorimeter with High Energy Electrons and Pions / Kolosov, Victor (Iowa University, USA) ; Önel, Y M (Iowa University, USA)
We present the results of test beam studies of a longitudinally segmented quartz fiber calorimeter prototype constructed in the process of developing the CMS forward calorimeter. This particular prototype consists of fully independent electromagnetic and hadronic sections. [...]
CMS-NOTE-2002-017.- Geneva : CERN, 2002 Fulltext: PDF PS.Z;

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