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1.
New High-Precision Drift-Tube Detectors for the ATLAS Muon Spectrometer / Kroha, H. (Munich, Max Planck Inst.) ; Fakhrutdinov, R. (Serpukhov, IHEP) ; Kozhin, A. (Serpukhov, IHEP)
Small-diameter muon drift tube (sMDT) detectors have been developed for upgrades of the ATLAS muon spectrometer. With a tube diameter of 15 mm, they provide an about an order of magnitude higher rate capability than the present ATLAS muon tracking detectors, the MDT chambers with 30 mm tube diameter. [...]
MPP-2017-96; arXiv:1705.05656.- 2017-06-13 - 12 p. - Published in : JINST 12 (2017) C06007 Preprint: PDF;
In : Instrumentation for Colliding Beam Physics, Novosibirsk, Russia, 27 Feb - 3 Mar 2017, pp.C06007
2.
Upgrades of the ATLAS Muon Spectrometer with sMDT Chambers / Ferretti, Claudio (University of Michigan, Department of Physics) ; Kroha, Hubert (Max-Planck-Institut fuer Physik)
With half the drift-tube diameter of the Monitored Drift Tube (MDT) chambers of the ATLAS muon spectrometer and otherwise unchanged operating parameters, small-diameter Muon Drift Tube (sMDT) chambers provide an order of magnitude higher rate capability and can be installed in detector regions where MDT chambers do not fit. [...]
ATL-MUON-PROC-2015-006.
- 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text
3.
Upgrades of the ATLAS Muon Spectrometer with sMDT Chambers / Ferretti, C. (Michigan U.) ; Kroha, H. (Munich, Max Planck Inst.) /for the ATLAS Muon Collaboration
With half the drift-tube diameter of the Monitored Drift Tube (MDT) chambers of the ATLAS muon spectrometer and otherwise unchanged operating parameters, small-diameter Muon Drift Tube (sMDT) chambers provide an order of magnitude higher rate capability and can be installed in detector regions where MDT chambers do not fit. The chamber assembly time has been reduced by a factor of seven to one working day and the sense wire positioning accuracy improved by a factor of two to better than ten microns. [...]
arXiv:1603.09544.- 2016-07-11 - 3 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 824 (2016) 538-540 Fulltext: PDF; External link: Preprint
In : Frontier Detectors for Frontier Physics: 13th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 24 - 30 May 2015, pp.538-540
4.
Design and construction of integrated small-diameter drift tube and thin-gap resistive plate chambers for the phase-1 upgrade of the ATLAS muon spectrometer / Kroha, H (Munich, Max Planck Inst.) /ATLAS Collaboration
In the long shutdown for the Phase-1 upgrade of the Large Hadron Collider (LHC) in 2019–2020, 16 new integrated muon tracking and trigger chambers will be installed at the ends of the toroid magnet coils in the small azimuthal sectors of the inner barrel layer (BIS) of the ATLAS muon spectrometer in order to improve the trigger selectivity and fake trigger suppression in the transition region 1.0<|η|<1.3 between the barrel part and the endcaps. The new muon detectors consist of a small-diameter muon drift tube (sMDT) precision tracking chamber with 15 mm tube diameter and a pair of thin-gap RPC chambers with 1 mm gas gap width. [...]
elsevier, 2019 - 2 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 936 (2019) 445-446
In : Frontier Detectors for Frontier Physics: XIV Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 27 May - 2 Jun 2018, pp.445-446
5.
Performance of Drift-Tube Detectors at High Counting Rates for High-Luminosity LHC Upgrades / Bittner, Bernhard (Munich, Max Planck Inst.) ; Dubbert, Joerg ; Kortner, Oliver ; Kroha, Hubert ; Manfredini, Alessandro ; Nowak, Sebastian ; Ott, Sebastian ; Richter, Robert ; Schwegler, Philipp ; Zanzi, Daniele et al.
The performance of pressurized drift-tube detectors at very high background rates has been studied at the Gamma Irradiation Facility (GIF) at CERN and in an intense 20 MeV proton beam at the Munich Van- der-Graaf tandem accelerator for applications in large-area precision muon tracking at high-luminosity upgrades of the Large Hadron Collider (LHC). The ATLAS muon drift-tube (MDT) chambers with 30 mm tube diameter have been designed to cope with γ and neutron background hit rates of up to 500 Hz/cm 2 [...]
arXiv:1603.09508; MPP-2013-596.- 2013 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 732 (2013) 250-254 Fulltext: PDF; External link: Preprint
In : 13th Vienna Conference on Instrumentation, Vienna, Austria, 11 - 15 Feb 2013, pp.250-254
6.
Construction and Test of New Precision Drift-Tube Chambers for the ATLAS Muon Spectrometer / Kroha, Hubert (Munich, Max Planck Inst.) ; Kortner, Oliver (Munich, Max Planck Inst.) ; Schmidt-Sommerfeld, Korbinian (Munich, Max Planck Inst.) ; Takasugi, Eric (Munich, Max Planck Inst.)
ATLAS muon detector upgrades aim for increased acceptance for muon triggering and precision tracking and for improved rate capability of the muon chambers in the high-background regions of the detector with increasing LHC luminosity. The small-diameter Muon Drift Tube (sMDT) chambers have been developed for these purposes. [...]
arXiv:1603.08760; MPP-2016-059.- 2017-02-11 - 2 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 845 (2017) 244-245 Fulltext: PDF; External link: Preprint
In : 14th Vienna Conference on Instrumentation, Vienna, Austria, 15 - 19 Feb 2016, pp.244-245
7.
Construction and Test of New Precision Drift-Tube Chambers for Upgrades of the ATLAS Muon Spectrometer in 2016/17 / Kroha, H. (Munich, Max Planck Inst.) ; Kortner, O. (Munich, Max Planck Inst.) ; Müller, F. (Munich, Max Planck Inst.) ; Nowak, S. (Munich, Max Planck Inst.) ; Schmidt-Sommerfeld, K. (Munich, Max Planck Inst.)
Small-diameter Muon Drift Tube (sMDT) chambers have been developed for the ATLAS muon detector upgrade. They possess an improved rate capability and a more compact design with respect to the existing chambers, which allows to equip detector regions uninstrument at present. [...]
arXiv:1512.01944.- 2016-10-06 - 3 p. - Published in : 10.1109/NSSMIC.2015.7581880 Fulltext: PDF; External link: Preprint
In : 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, San Diego, CA, USA, 31 Oct - 7 Nov 2015, pp.7581880
8.
Upgrades Of The ATLAS Muon Spectrometer With sMDT Chambers / Ferretti, Claudio (University of Michigan, Department of Physics)
The Monitored Drift Tube (MDT) chambers of the ATLAS muon spectrometer demonstrated that they provide very precise and robust tracking over large areas. Goals of ATLAS muon detector upgrades are to increase the acceptance for precision muon momentum measurement and triggering and to improve the rate capability of the muon chambers in the high-background regions when the LHC luminosity increases. [...]
ATL-MUON-SLIDE-2015-306.- Geneva : CERN, 2015 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
9.
Construction and testing of the sMDT system for the HL-LHC ATLAS muon detector upgrade / ATLAS MDT Collaboration
The ATLAS HL-LHC upgrade includes an upgrade to the Muon Spectrometer in which the Monitored Drift Tube (MDT) chambers in the barrel inner small-sectors are replaced with new small-diameter MDT (sMDT) chambers. [...]
ATL-MUON-PROC-2022-004.
- 2023. - 2 p.
Original Communication (restricted to ATLAS) - Full text
10.
Construction and test of high precision drift-tube (sMDT) chambers for the ATLAS muon spectrometer / Nowak, Sebastian (Munich, Max Planck Inst.) ; Kortner, Oliver (Munich, Max Planck Inst.) ; Kroha, Hubert (Munich, Max Planck Inst.) ; Schwegler, Philipp (Munich, Max Planck Inst.) ; Sforza, Federico (Munich, Max Planck Inst.)
For the upgrade of the ATLAS muon spectrometer in March 2014 new muon tracking chambers (sMDT) with drift-tubes of 15 mm diameter, half of the value of the standard ATLAS Monitored Drift-Tubes (MDT) chambers, and 10~$\mu$m positioning accuracy of the sense wires have been constructed. The new chambers are designed to be fully compatible with the present ATLAS services but, with respect to the previously installed ATLAS MDT chambers, they are assembled in a more compact geometry and they deploy two additional tube layers that provide redundant rack information. [...]
arXiv:1407.0285.- 2014 - 4 p. - Published in : PoS TIPP2014 (2014) 302 Fulltext: PDF; External link: PoS server
In : International Conference on Technology and Instrumentation in Particle Physics 2014, Amsterdam, Netherlands, 2 - 6 Jun 2014, pp.302

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