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Test beam results of the fiber-sampling dual-readout calorimeter
/ Giaz, A (INFN, Milan ; Insubria U., Varese) ; Santoro, R (INFN, Milan ; Insubria U., Varese) ; Ampilogov, N (INFN, Milan ; Insubria U., Varese) ; Caccia, M (INFN, Milan ; Insubria U., Varese) ; Chmill, V (Boskovic Inst., Zagreb) ; Cometti, S (INFN, Milan ; Insubria U., Varese) ; Ferrari, R (INFN, Pavia) ; Gaudio, G (INFN, Pavia) ; Giacomelli, P (INFN, Bologna) ; Karadzhinova Ferrer, A (Boskovic Inst., Zagreb) et al.
The dual-readout calorimetric technique reconstructs the event-by-event electromagnetic fraction of the hadronic shower through the simultaneous measurement of scintillating (S) and Cherenkov (C) light produced by the shower development. The new generation of prototypes, based on Silicon Photomultipliers (SiPMs) readout, adds unprecedented granularity to the well-known high-energy resolution. [...]
2022
In : 15th Pisa Meeting on Advanced Detectors, La Biodola - Isola D'elba, Italy, 22 - 28 May 2022, pp.167964
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Exposing a fibre-based dual-readout calorimeter to a positron beam
/ Ampilogov, N. (Bergamo U. ; INFN, Milan) ; Cometti, S. (Bergamo U. ; INFN, Milan) ; Agarwala, J. (INFN, Pavia ; Pavia U.) ; Chmill, V. (Boskovic Inst., Zagreb) ; Ferrari, R. (INFN, Pavia) ; Gaudio, G. (INFN, Pavia) ; Giacomelli, P. (INFN, Bologna ; Bologna U.) ; Giaz, A. (Insubria U., Como ; INFN, Milan) ; Karadzhinova-Ferrer, A. (Boskovic Inst., Zagreb) ; Loeschcke-Centeno, A. (Sussex U.) et al.
A prototype of a dual-readout calorimeter using brass capillary tubes surrounding scintillating and clear plastic optical fibres was tested using beams of particles with energies between 10 and 100 GeV produced by the CERN SPS. The scope of the test was to characterise the performance of the tube-based detector response to positrons in terms of linearity, energy resolution, and lateral granularity. [...]
arXiv:2305.09649.-
2023-09-14 - 23 p.
- Published in : JINST 18 (2023) P09021
Fulltext: document - PDF; 2305.09649 - PDF;
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The LiTE-DTU: A Data Conversion and Compression ASIC for the Readout of the CMS Electromagnetic Calorimeter
/ Mazza, Giovanni (Turin U. ; INFN, Turin) ; Argirò, Stefano (Turin U. ; INFN, Turin) ; Borca, Cecilia (Turin U. ; INFN, Turin) ; Cometti, Simona (Turin U. ; INFN, Turin ; Polytech. Turin) ; Cossio, Fabio (Turin U. ; INFN, Turin) ; Dejardin, Marc (IRFU, Saclay) ; Dellacasa, Giulio (Turin U. ; INFN, Turin) ; Mignone, Marco (Turin U. ; INFN, Turin) ; Pastrone, Nadia (Turin U. ; INFN, Turin) ; Soldi, Dario (Turin U. ; INFN, Turin) et al.
The high-luminosity phase of operation of the CERN Large Hadron Collider (HL-LHC) will pose new challenges to the detectors and their readout electronics. In particular, the Compact Muon Solenoid (CMS) barrel electromagnetic calorimeter will require a full redesign of the electronic readout chain in order to cope with the increase in luminosity and trigger rate. [...]
2023 - 8 p.
- Published in : IEEE Trans. Nucl. Sci. 70 (2023) 1215-1222
In : 23rd IEEE Real Time Conference (RT2022), Online, 1 - 5 Aug 2022, pp.1215-1222
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Measurements of jet multiplicity and jet transverse momentum in multijet events in proton-proton collisions at $ \sqrt{s}= $ 13 TeV
/ CMS Collaboration
Multijet events at large transverse momentum ($ p_{\mathrm{T}} $) are measured at $ \sqrt{s}= $ 13 TeV using data recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 36.3 fb$^{-1}$. The multiplicity of jets with $ p_{\mathrm{T}} > $ 50 GeV that are produced in association with a high-$ p_{\mathrm{T}} $ dijet system is measured in various ranges of the $ p_{\mathrm{T}} $ of the jet with the highest transverse momentum and as a function of the azimuthal angle difference $ \Delta\phi_{1,2} $ between the two highest $ p_{\mathrm{T}} $ jets in the dijet system. [...]
arXiv:2210.13557; CMS-SMP-21-006; CERN-EP-2022-144; CMS-SMP-21-006-003.-
Geneva : CERN, 2023-08-22 - 25 p.
- Published in : Eur. Phys. J. C 83 (2023) 742
Fulltext: CMS-SMP-21-006-arXiv - PDF; 803f4ed4711aa3d9018f9864b52cb6b8 - PDF; 2210.13557 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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Precision measurement of the Z boson invisible width in pp collisions at $\sqrt{s}$ = 13 TeV
/ CMS Collaboration
A precise measurement of the invisible width of the Z boson produced in proton-proton collisions at a center-of-mass energy of 13 TeV is presented using data recorded by the CMS experiment at the LHC, corresponding to an integrated luminosity of 36.3 fb$^{-1}$. The result is obtained from a simultaneous fit to kinematic distributions for two data samples of Z boson plus jets: one dominated by Z boson decays to invisible particles and the other by Z boson decays to muon and electron pairs. [...]
arXiv:2206.07110; CMS-SMP-18-014; CERN-EP-2022-088; CMS-SMP-18-014-003.-
2023-05-22 - 14 p.
- Published in : Phys. Lett. B 842 (2023) 137563
Fulltext: 2206.07110 - PDF; d8ee8d323b9ab80b63f3837ca02ace0c - PDF; CMS-SMP-18-014-arXiv - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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