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UMI - Full text - Full text
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MAPS development for the ALICE ITS upgrade
/ Yang, P (Hua-Zhong Normal U.) ; Aglieri, G (CERN) ; Cavicchioli, C (CERN) ; Chalmet, P L (Unlisted, FR) ; Chanlek, N (Suranaree U. of Tech.) ; Collu, A (Cagliari U. ; INFN, Cagliari) ; Gao, C (Hua-Zhong Normal U.) ; Hillemanns, H (CERN) ; Junique, A (CERN) ; Kofarago, M (CERN ; Utrecht U.) et al.
Monolithic Active Pixel Sensors (MAPS) offer the possibility to build pixel detectors and tracking layers with high spatial resolution and low material budget in commercial CMOS processes. Significant progress has been made in the field of MAPS in recent years, and they are now considered for the upgrades of the LHC experiments. [...]
2015
- Published in : JINST 10 (2015) C03030
Fulltext: PDF;
In : 7th International Workshop on Semiconductor Pixel Detectors for Particles and Imaging, Niagara Falls, Ontario, Canada, 1 - 5 Sep 2014, pp.C03030
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Low-power priority Address-Encoder and Reset-Decoder data-driven readout for Monolithic Active Pixel Sensors for tracker system
/ Yang, P (Hua-Zhong Normal U.) ; Aglieri, G (CERN) ; Cavicchioli, C (CERN) ; Chalmet, P L (Unlisted, FR) ; Chanlek, N (Suranaree U. of Tech.) ; Collu, A (Cagliari U. ; INFN, Italy) ; Gao, C (Hua-Zhong Normal U.) ; Hillemanns, H (CERN) ; Junique, A (CERN) ; Kofarago, M (CERN ; Utrecht U.) et al.
Active Pixel Sensors used in High Energy Particle Physics require low power consumption to reduce the detector material budget, low integration time to reduce the possibilities of pile-up and fast readout to improve the detector data capability. To satisfy these requirements, a novel Address-Encoder and Reset-Decoder (AERD) asynchronous circuit for a fast readout of a pixel matrix has been developed. [...]
2015 - 9 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 785 (2015) 61-69
Elsevier Open Access article: PDF;
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R&D on high momentum particle identification with a pressurized Cherenkov radiator
/ Agócs, A G (Wigner RCP, Budapest) ; Barile, F (Bari U. ; INFN, Bari) ; Barnaföldi, G G (Wigner RCP, Budapest) ; Bellwied, R (Houston U.) ; Bencédi, G (Wigner RCP, Budapest) ; Bencze, G (Wigner RCP, Budapest) ; Berényi, D (Wigner RCP, Budapest) ; Boldizsár, L (Wigner RCP, Budapest) ; Chattopadhyay, S (Saha Inst.) ; Chinellato, D D (Houston U.) et al.
We report on the R&D; results for a Very High Momentum Particle Identification (VHMPID) detector, which was proposed to extend the charged hadron track-by-track identification in the momentum range from 5 to 25 GeV/ c in the ALICE experiment at CERN. It is a RICH detector with focusing geometry using pressurized perfluorobutane (C 4 F 8 O) as a Cherenkov radiator. [...]
2014 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 766 (2014) 92-95
Elsevier Open Access article: PDF;
In : 8th International Workshop on Ring Imaging Cherenkov Detectors, Hayama, Kanagawa, Japan, 2 - 6 Dec 2013, pp.92-95
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VHMPID RICH prototype using pressurized C$_{4}$F$_{8}$O radiator gas and VUV photon detector
/ Acconcia, T V (U. Campinas) ; Agócs, A G (Wigner RCP, Budapest) ; Barile, F (Bari U. ; INFN, Bari) ; Barnaföldi, G G (Wigner RCP, Budapest) ; Bellwied, R (Houston U.) ; Bencédi, G (Wigner RCP, Budapest) ; Bencze, G (Wigner RCP, Budapest) ; Berényi, D (Wigner RCP, Budapest) ; Boldizsár, L (Wigner RCP, Budapest) ; Chattopadhyay, S (Saha Inst.) et al.
A small-size prototype of a new Ring Imaging Cherenkov (RICH) detector using for the first time pressurized C4F8O radiator gas and a photon detector consisting of MWPC equipped with a CsI photocathode has been built and tested at the PS accelerator at CERN. It contained all the functional elements of the detector proposed as Very High Momentum Particle Identification (VHMPID) upgrade for the ALICE experiment at LHC to provide charged hadron track-by-track identification in the momentum range starting from 5 potentially up to 25 GeV/c. [...]
2014 - 11 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 767 (2014) 50-60
Elsevier Open Access article: PDF;
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Wavelength shifting films on multianode PMTs with UV-extended window for the CBM RICH detector
/ Adamczewski-Musch, J (Darmstadt, GSI) ; Becker, K -H (Wuppertal U.) ; Belogurov, S (Moscow, ITEP) ; Boldyreva, N (St. Petersburg, INP) ; Chernogorov, A (Moscow, ITEP) ; Deveaux, C (Giessen U.) ; Dobyrn, V (St. Petersburg, INP) ; Dürr, M (Giessen U.) ; Eom, J (Pusan Natl. U.) ; Eschke, J (Darmstadt, GSI) et al.
Electron identification in the Compressed Baryonic Matter (CBM) experiment at the future Facility for Antiproton and Ion Research (FAIR) will be performed using a gaseous RICH detector. Due to the UV transparency of the CO 2 radiator, a high photon detection efficiency of the PMTs in use at small wavelengths is favourable. [...]
2014 - 3 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 766 (2014) 180-182
In : 8th International Workshop on Ring Imaging Cherenkov Detectors, Hayama, Kanagawa, Japan, 2 - 6 Dec 2013, pp.180-182
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Inclusive photon production at forward rapidities in proton-proton collisions at $\sqrt{s}$ = 0.9, 2.76 and 7 TeV
/ ALICE Collaboration
The multiplicity and pseudorapidity distributions of inclusive photons have been measured at forward rapidities ($2.3 < \eta < 3.9$) in proton-proton collisions at three center-of-mass energies, $\sqrt{s}=0.9$, 2.76 and 7 TeV using the ALICE detector. It is observed that the increase in the average photon multiplicity as a function of beam energy is compatible with both a logarithmic and a power-law dependence. [...]
arXiv:1411.4981; CERN-PH-EP-2014-280; CERN-PH-EP-2014-280.-
Geneva : CERN, 2015-04-09 - 24 p.
- Published in : Eur. Phys. J. C 75 (2015) 146
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Springer Open Access article: PDF;
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Charged jet cross sections and properties in proton-proton collisions at $\sqrt{s}=7$ TeV
/ ALICE Collaboration
The differential charged jet cross sections, jet fragmentation distributions, and jet shapes are measured in minimum bias proton-proton collisions at centre-of-mass energy $\sqrt{s}=7$ TeV using the ALICE detector at the LHC. Jets are reconstructed from charged particle momenta in the mid-rapidity region using the sequential recombination $k_{\rm T}$ and anti-$k_{\rm T}$ as well as the SISCone jet finding algorithms with several resolution parameters in the range $R=0.2$ to $0.6$. [...]
arXiv:1411.4969; CERN-PH-EP-2014-254; CERN-PH-EP-2014-254.-
Geneva : CERN, 2015-06-22 - 33 p.
- Published in : Phys. Rev. D 91 (2015) 112012
APS Open Access article: PDF; Fulltext: PDF; Preprint: PDF; External link: Preprint
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Event-by-event mean $p_T$ fluctuations in pp and Pb-Pb collisions at the LHC
/ ALICE Collaboration
Event-by-event fluctuations of the mean transverse momentum of charged particles produced in pp collisions at √s = 0.9, 2.76 and 7 TeV, and Pb–Pb collisions at √sNN = 2.76 TeV are studied as a function of the charged-particle multiplicity using the ALICE detector at the LHC. Non-statistical fluctuations are observed in all systems. [...]
arXiv:1407.5530; CERN-PH-EP-2014-169; CERN-PH-EP-2014-169.-
Geneva : CERN, 2014-10-15 - 15 p.
- Published in : Eur. Phys. J. C 74 (2014) 3077
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Draft (restricted): PDF; Fulltext: PDF; Preprint: PDF; Springer Open Access article: PDF;
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