ترغب بنشر مسار تعليمي؟ اضغط هنا

Non-Compensation of the Barrel Tile Hadron Module-0 Calorimeter

67   0   0.0 ( 0 )
 نشر من قبل Yuri Kulchitsky
 تاريخ النشر 1999
  مجال البحث
والبحث باللغة English




اسأل ChatGPT حول البحث

The detailed experimental information about the electron and pion responses, the electron energy resolution and the e/h ratio as a function of incident energy E, impact point Z and incidence angle $Theta$ of the Module-0 of the iron-scintillator barrel hadron calorimeter with the longitudinal tile configuration is presented. The results are based on the electron and pion beams data for E = 10, 20, 60, 80, 100 and 180 GeV at $eta$ = -0.25 and -0.55, which have been obtained during the test beam period in 1996. The results are compared with the existing experimental data of TILECAL 1m prototype modules, various iron-scintillator calorimeters and with some Monte Carlo calculations.

قيم البحث

اقرأ أيضاً

The e/$pi$ ratio for the Barrel Combined Calorimeter Prototype, composed from electromagnetic LAr calorimeter and hadronic Tile calorimter was investigated. Response of Combined Calorimeter on pions and electrons in the energy region 20 - 300 GeV was studied. Found $e/h = 1.37pm0.01pm0.02$ is in good agreement with results from previous Combined Calorimeter test but has more precisions.
376 - Y.A. Kulchitsky , et. al 1999
The lateral and longitudinal profiles of the hadronic showers detected by iron-scintillator tile hadron calorimeter with longitudinal tile configuration have been investigated. The results are based on 100 GeV pion beam data. Due to the beam scan pro vided many different beam impact locations with cells it is succeeded to obtain detailed picture of transverse shower behavior. The underlying radial energy densities for four depths and for overall calorimeter have been reconstructed. The three-dimensional hadronic shower parametrisation have been suggested.
110 - Y.Kulchitsky , et al 2000
Hadron energy reconstruction for the Atlas barrel prototype combined calorimeter, consisting of the lead-liquid argon electromagnetic part and the iron-scintillator hadronic part, in the framework of the non-parametrical method has been fulfilled. Th is method uses only the known e/h ratios and the electron calibration constants and does not require the determination of any parameters by a minimization technique and can be used for the fast energy reconstruction in the first level trigger. The obtained reconstruction of the mean values of energies is within $pm 1%$ and the fractional energy resolution is $[(58pm3)% sqrt{GeV}/sqrt{E}+(2.5pm0.3)%]oplus (1.7pm0.2) GeV/E$. The obtained value of the e/h ratio for electromagnetic compartment of the combined calorimeter is $1.74pm0.04$ and agrees with the prediction that $e/h > 1.7$ for this electromagnetic calorimeter. The results of the study of the longitudinal hadronic shower development are presented. The data have been taken in the H8 beam line of the CERN SPS using pions of 10 -- 300 GeV.
77 - Arie Bodek 1998
We report on the performance of a prototype CMS Hadron Barrel Calorimeter (HCAL) module in a test beam. The prototype sampling calorimeter used copper absorber plates and scintillator tiles with wavelength shifting fibers for readout. Placing a lead tungstate crystal electromagnetic calorimeter in front of HCAL affects the linearity and energy resolution of the combined system to hadrons. The data are used to optimize the choice of total absorber depth, sampling frequency, and longitudinal readout segmentation.
60 - Y. A. Kulchitsky , et. al 1999
The hadronic shower longitudinal and lateral leakages and its effect on the pion response and energy resolution of iron-scintillator barrel hadron prototype calorimeter with longitudinal tile configuration with a thickness of 9.4 nuclear interaction lengths have been investigated. The results are based on 100 GeV pion beam data at incidence angle $Theta = 10^o$ at impact point Z in the range from - 36 to 20 cm which were obtained during test beam period in May 1995 with setup equipped scintillator detector planes placed behind and back of the calorimeter. The fraction of the energy of 100 GeV pions at $Theta = 10^o$ leaking out at the back of this calorimeter amounts to 1.8 % and agrees with the one for a conventional iron-scintillator calorimeter. Unexpected behaviour of the energy resolution as a function of leakage is observed: 6 % lateral leakage lead to 18 % improving of energy resolution in compare with the showers without leakage. The measured values of longitudinal punchthrough probability $(18 pm 1) %$ and $(20 pm 1) %$ for two different hit definitions of leaking events agree with the earlier measurement for our calorimeter and with the one for a conventional iron-scintillator calorimeter with the same nuclear interaction length thickness respectively. Due to more soft cut for hit definition in the leakage detectors the measured value of longitudinal punchthrough probability more corresponds to the calculated iron equivalent length $L_{Fe} = 158 cm$.
التعليقات
جاري جلب التعليقات جاري جلب التعليقات
سجل دخول لتتمكن من متابعة معايير البحث التي قمت باختيارها
mircosoft-partner

هل ترغب بارسال اشعارات عن اخر التحديثات في شمرا-اكاديميا