Performance of the ATLAS hadronic end-cap calorimeter in beam tests

Dowler, B.; Pinfold, J. L.; Soukup, J.; Vincter, M. G.; Cheplakov, A.; Datskov, V.; Федоров, А. Н.; Javadov, N.; Kalinnikov, V. A.; Kakurin, S.; Kazarinov, M. Y.; Kukhtin, V.; Ladygin, E.; Lazarev, A. B.; Neganov, A. B.; Pisarev, I. L.; Serochkin, E.; Shilov, S. N.; Shalyugin, A.; Usov, Yu. A.; Bán, J.; Bruncko, D.; Chytracek, R.; Jusko, A.; Kladiva, E.; Stríženec, P.; Gaertner, V.; Hiebel, Stefan; Hohlfeld, M.; Jakobs, K.; Koepke, L.; Marschalkowski, E.; Meder, D.; Othegraven, Rainer; Schaefer, Uli; Thomas, J. P.; Walkowiak, W.; Zeitnitz, C.; Leroy, C.; Mazini, R.; Mehdiyev, R.; Akimov, A. V.; Blagov, M.; Komar, A. A.; Snesarev, A. A.; Speransky, M.; Sulin, V. V.; Yakimenko, M.N.; Aderholz, M.; Brettel, H.; Cwienk, W.; Dulny, B.; Fent, J.; Fischer, A.; Haberer, W.; Huber, J.; Huber, Robert; Karev, A.; Kiryunin, A. E.; Kobler, T.; Kurchaninov, L. L.; Laskus, H.; Lindenmayer, M.; Mooshofer, P.; Oberlack, H.; Salihagić, D.; Schacht, P.; Stenzel, H.; Striegel, D.; Tribanek, W.; Chekulaev, S. V.; Denisov, S. P.; Levitsky, M.; Minaenko, A. A.; Mitrofanov, G. Y.; Moiseev, A.M.; Pleskatch, A.; Sytnik, V.; Benoit, P.; Hoyle, K.; Honma, A.; Maharaj, Ritesh; Oram, C. J.; Pattyn, E. W.; Rosvick, M.; Sbarra, C.; Wellisch, H. P.; Wielers, M.; Birney, P.; Dobbs, M.; Fincke-Keeler, M.; Fortin, D.; Hodges, T.; Keeler, R.; Langstaff, R.; Lefebvre, M.; Lenckowski, M.; McPherson, R. A.; O’Neil, D. C.; Forbush, D. A.; Mockett, P.; Toevs, F.; Braun, H. M.; Thadome, J.

doi:10.1016/s0168-9002(01)01338-9

Cited by 37 publications

(26 citation statements)

References 8 publications

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“…In the central region, the scale of the hadronic energy measurements is determined relative to the electromagnetic scale through comparisons between the calorimeter and inner detector measurements of single isolated hadrons [51][52][53]. Beyond the acceptance region of the tracking detectors, the difference between the electromagnetic and the hadronic response is determined from test-beam results [54][55][56]. For the purposes of discriminating against thresholds in the gap finding algorithm, all cluster energy measurements are taken at this hadronic scale.…”

Section: Reconstruction Of Rapidity Gapsmentioning

confidence: 99%

Rapidity gap cross sections measured with the ATLAS detector in pp collisions at $\sqrt{s} = 7 \mbox{~TeV}$

Aad¹,

Kupčo²,

Samset³

et al. 2012

Eur. Phys. J. C

106

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Section: Reconstruction Of Rapidity Gapsmentioning

confidence: 99%

Rapidity gap cross sections measured with the ATLAS detector in pp collisions at $\sqrt{s} = 7 \mbox{~TeV}$

Aad¹,

Kupčo²,

Samset³

et al. 2012

Eur. Phys. J. C

106

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“…The electromagnetic and hadronic parts are summed and corrected for the e/mip ratio ( [14], [19], [20]) and for the energy deposited in the additional passive material traversed by the muon (e.g., the cryostats). The former correction is necessary because the ATLAS calorimeters are calibrated in the electromagnetic energy scale, while the latter correction is determined using the material map of the GEANT 4 simulation of the ATLAS detector and the mop parametrization derived in the previous section.…”

Section: Description Of the Measurement Of The Muon Energy Loss mentioning

confidence: 99%

Event-by-Event Estimate of Muon Energy Loss in ATLAS

Nikolopoulos

Kourkoumelis

Poppleton

2007

IEEE Trans. Nucl. Sci.

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Abstract-The ATLAS Muon Spectrometer is designed to provide efficient and precise stand-alone momentum measurement for muons of momentum up to O(1 TeV/c). The fluctuations of the muon energy loss in the material upstream of the Muon Spectrometer could deteriorate the physics performance, which requires the momentum to be determined at the interaction point. A method to account for this energy loss using the calorimeter information is presented. The method provides an estimate of the energy loss on an event-by-event basis thus reducing the statistical fluctuations. The improvement in the momentum resolution by the significant suppression of the non-Gaussian tails of the energy loss is demonstrated using simulated single muon data. The performance of the method on physics samples with muons in the final state is also briefly discussed.

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“…The hadronic end-cap calorimeter (HEC) [3] is a liquid argon sampling calorimeter with flat copper absorber plates. The thickness of the absorber plates is 25 mm for the front wheel (HEC1) and 50 mm for the rear wheel (HEC2).…”

Section: Description Of the Electromagnetic End-cap And Hadronic End-mentioning

confidence: 99%

“…Previous beam runs with individual set-ups of the electromagnetic [1,2], hadronic [3] and forward calorimeters respectively provided important information on the stand-alone calibration. They also contributed substantially to the assessment of the production quality of the calorimeters or modules.…”

Section: Introductionmentioning

confidence: 99%

Hadronic calibration of the ATLAS liquid argon end-cap calorimeter in the pseudorapidity region in beam tests

Cojocaru

Pinfold

Soukup

et al. 2004

Nuclear Instruments and Methods in Physics Research Section A:

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A full azimuthal φ-wedge of the ATLAS liquid argon end-cap calorimeter has been exposed to beams of electrons, muons and pions in the energy range 6 GeV ≤ E ≤ 200 GeV at the CERN SPS. The angular region studied corresponds to the ATLAS impact position around the pseudorapidity interval 1.6 < |η| < 1.8. The beam test set-up is described. A detailed study of the performance is given as well as the related intercalibration constants obtained. Following the ATLAS hadronic calibration proposal, a first study of the hadron calibration using a weighting ansatz is presented. The results are compared to predictions from Monte Carlo simulations, based on GEANT 3 and GEANT 4 models.

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Performance of the ATLAS hadronic end-cap calorimeter in beam tests

Cited by 37 publications

References 8 publications

Rapidity gap cross sections measured with the ATLAS detector in pp collisions at $\sqrt{s} = 7 \mbox{~TeV}$

Rapidity gap cross sections measured with the ATLAS detector in pp collisions at $\sqrt{s} = 7 \mbox{~TeV}$

Event-by-Event Estimate of Muon Energy Loss in ATLAS

Hadronic calibration of the ATLAS liquid argon end-cap calorimeter in the pseudorapidity region in beam tests

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