EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH
CERN-PPE/96-178
8 November 1996
RESULTS FROM A COMBINED TEST OF AN ELECTROMAGNETIC LIQUID
ARGON CALORIMETER WITH A HADRONIC SCINTILLATING-TILE
CALORIMETER
ATLAS Collaboration
(Calorimetry and Data Acquisition)
Z. Ajaltouni10 , F. Albiol33 , A. Alifanov19 , P. Amaral14 , G. Ambrosini23; 1) , A. Amorim14 ,
K. Anderson9 , A. Astvatsaturov12 , B. Aubert2 , E. Augé21 , D. Autiero24 , G. Azuelos20 , F. Badaud10 ,
L. Baisin8 , G. Battistoni18 , A. Bazan2 , C. Bee8; 2) , G. Bellettini24 , S. Berglund30 , J.C. Berset8 , C. Blaj7 ,
G. Blanchot5 , E. Blucher9 , A. Bogush19 , C. Bohm30 , V. Boldea7 , O. Borisov12 , M. Bosman5 ,
N. Bouhemaid10 , P. Brette10 , C. Bromberg17 , M. Brossard10 , J. Budagov12 , S. Buono8 , L. Caloba28 ,
D.V. Camin18 , B. Canton22 , P. Casado5 , D. Cavalli18 , M. Cavalli-Sforza5 , V. Cavasinni24 ,
R. Chadelas10 , R. Chase21 , A. Chekhtman16 , J.-C. Chevaleyre10 , J.L. Chevalley8 , I. Chirikov-Zorin12 ,
G. Chlachidze12 , J.C. Chollet21 , M. Cobal8 , F. Cogswell32 , J. Colas2 , J. Collot13 , S. Cologna24 ,
S. Constantinescu7 , G. Costa18 , D. Costanzo24 , L. Cozzi18 , M. Crouau10 , P. Dargent16 , F. Daudon10 ,
M. David14 , T. Davidek25 , J. Dawson3 , K. De4 , C. de la Taille21 , T. Del Prete24 , P. Depommier20 , P. de
Saintignon13 , A. De Santo24 , B. Dinkespiller16 , B. Di Girolamo24 , S. Dita7 , J. Dolejsi25 , Z. Dolezal25 ,
R. Downing32 , J.-J. Dugne10 , P.-Y. Duval16 , D. Dzahini13 , I. Efthymiopoulos5; 3) , D. Errede32 ,
S. Errede32 , F. Etienne16 , H. Evans9 , P. Fassnacht16 , N. Fedyakin18 , A. Ferrari18 , P. Ferreira14 ,
A. Ferrer33 , V. Flaminio24 , D. Fouchez16 , D. Fournier21 , G. Fumagalli23 , E. Gallas4 , M. Gaspar28 ,
F. Gianotti8; 4) , O. Gildemeister8 , D.M. Gingrich1 , V. Glagolev12 , V. Golubev19 , A. Gomes14 ,
J. Gonzalez21 H.A. Gordon6 , V. Grabsky35 , H. Hakopian35 , M. Haney32 , S. Hellman30 , A. Henriques8 ,
S. Holmgren30 , P.F. Honoré33 , J.Y. Hostachy13 , J. Huston17 , Yu. Ivanyushenkov5 , S. Jezequel2 ,
E. Johansson30 , K. Jon-And30 , R. Jones8 , A. Juste5 , S. Kakurin12 , G. Karapetian8 , A. Karyukhin27 ,
Yu. Khokhlov27 , V. Klyukhin27 , V. Kolomoets12 , S. Kopikov27 , M. Kostrikov27 , V. Kovtun12 ,
V. Kukhtin12 , M. Kulagin27 , Y. Kulchitsky19; 5) , G. Laborie13 , S. Lami24 , V. Lapin27 , A. Lebedev12 , M.
Lefebvre34 T. Leflour2 , R. Leitner25 , E. León-Florián20 , C. Leroy20 , A. Le Van Suu16 , J. Li4 , I. Liba12 ,
O. Linossier2 , M. Lokajicek26 , Yu. Lomakin12 , O. Lomakina12 , B. Lund-Jensen31 G. Mahout13 ,
A. Maio14 , S. Malyukov12 , L. Mandelli18 , B. Mansoulié29 , L. Mapelli8 , C.P. Marin8 , F. Marroquin28 ,
L. Martin16 , M. Mazzanti18 , E. Mazzoni24 , F. Merritt9 , B. Michel10 , R. Miller17 , I. Minashvili12 ,
A. Miotto16 , L. Miralles5 , E. Mnatsakanian35 , E. Monnier16 , G. Montarou10 , G. Mornacchi8 ,
G.S. Muanza10 , E. Nagy16 , S. Nemecek26 , M. Nessi8 , S. Nicoleau2 , J.M. Noppe21 , C. Olivetto16 ,
S. Orteu5 , C. Padilla5 , D. Pallin10 , D. Pantea12 6) , G. Parrour21 , A. Pereira28 , L. Perini18 , J.A. Perlas5 ,
P. Pétroff21 , J. Pilcher9 , J.L. Pinfold1 L. Poggioli8 , S. Poirot10 , G. Polesello23 , L. Price3 ,
Y. Protopopov27 , J. Proudfoot3 , O. Pukhov12 , V. Radeka6 , D. Rahm6 , G. Reinmuth10 , J.F. Renardy29 ,
G. Renzoni24 , S. Resconi18 , R. Richards17 , I. Riu5 , V. Romanov12 , B. Ronceux5 , V. Rumyantsev19; 5) ,
N. Russakovich12 , P. Sala18 , H. Sanders9 , G. Sauvage2 , P. Savard20 , A. Savoy-Navarro22 L. Sawyer4 ,
1)
Now at University of Bern, Switzerland
2)
Now at University of Zurich, Switzerland
3)
Now at CERN, Switzerland
4)
Also University of Milano, Italy
5)
Also JINR Dubna, Russia
6)
Now at Institute for Atomic Physics, Bucharest, Romania
, L.-P. Says10 , A. Schaffer21 , C. Scheel15 , P. Schwemling22 , J. Schwindling29 , N. Seguin-Moreau21 ,
J.M. Seixas28 , B. Sellden30 , M. Seman11 , A. Semenov12 , V. Senchishin12 , L. Serin21 ,
A. Shchelchkov12 , V. Shevtsov12 , M. Shochet9 , V. Sidorov27 , V. Simaitis32 , S. Simion29 ,
A. Sissakian12 , A. Solodkov10 , P. Sonderegger8 , K. Soustruznik25 , R. Stanek3 , E. Starchenko27 ,
D. Stephani6 , R. Stephens4 , S. Studenov12 , M. Suk25 , A. Surkov27 , F. Tang9 , S. Tardell30 , P. Tas25 ,
J. Teiger29 , F. Teubert5 , J. Thaler32 , V. Tisserand21 , S. Tisserant16 , S. Tokar12 , N. Topilin12 , Z. Trka25 ,
A. Turcot9 , M. Turcotte4 , S. Valkar25 , A. Vartapetian35 , F. Vazeille10 , I. Vichou21; 7) , V. Vinogradov12 ,
S. Vorozhtsov12 , V. Vuillemin8 , D. Wagner9 , A. White4 , I. Wingerter-Seez2 , N. Yamdagni30 ,
G. Yarygin12 , C. Yosef17 , A. Zaitsev27 , M. Zdrazil25 , R. Zitoun2 , Y.P. Zolnierowski2
1
University of Alberta, Edmonton, Alberta, Canada
2
LAPP, Annecy, France
3
Argonne National Laboratory, USA
4
University of Texas at Arlington, USA
5
Institut de Fisica d’Altes Energies, Universitat Autònoma de Barcelona, Spain
6
Brookhaven National Laboratory, Upton, USA
7
Institute of Atomic Physics, Bucharest, Rumania
8
CERN, Geneva, Switzerland
9
University of Chicago, USA
10
LPC Clermont–Ferrand, Université Blaise Pascal / CNRS–IN2P3, France
11
Nevis Laboratories, Columbia University, Irvington NY, USA
12
JINR Dubna, Russia
13
ISN, Université Joseph Fourier /CNRS-IN2P3, Grenoble, France
14
LIP-Lisbon and FCUL-Univ. of Lisbon
15
Univ. Autonoma Madrid, Spain
16
CPP Marseille, France
17
Michigan State University, USA
18
Milano University and INFN, Milano, Italy
19
Institute of Physics ASB, Minsk, Belarus
20
University of Montreal, Canada
21
LAL, Orsay, France
22
LPNHE, Universites de Paris VI et VII, France
23
Pavia University and INFN, Pavia, Italy
24
Pisa University and INFN, Pisa, Italy
25
Charles University, Prague, Czech Republic
26
Academy of Science, Prague, Czech Republic
27
Institute for High Energy Physics, Protvino, Russia
28
COPPE/EE/UFRJ, Rio de Janeiro, Brazil
29
CEA, DSM/DAPNIA/SPP, CE Saclay, Gif-sur-Yvette, France
30
Stockohlm University, Sweden
31
Royal Institute of Technology, Stockholm, Sweden
32
University of Illinois, USA
33
IFIC Valencia, Spain
34
University of Victoria, British Columbia, Canada
35
Yerevan Physics Institute, Armenia
Accepted by Nucl. Instr. Meth.
7)
Now at Universitat Autònoma de Barcelona, Spain
, Abstract
The first combined test of an electromagnetic liquid argon accordion calorimeter and a
hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices
are prototypes of the barrel calorimeter of the future ATLAS experiment at the LHC. The
p angle
energy resolution of pions in the energy range from 20 to 300 GeV at an incident
of about 11 is well-described by the expression =E = ((46 5 6 0)%
: : = E + (1 2:
0 3)%) (3 2 0 4)
: : : GeV=E . Shower profiles, shower leakage, and the angular resolution
of hadronic showers were also studied.
