2018-07-19
07:39 |
Test Results of LARP 3.6 m ${\rm Nb}_{3}{\rm Sn}$ Racetrack Coils Supported by Full-Length and Segmented Shell Structures
/ Muratore, J F (Brookhaven Natl. Lab.) ; Ambrosio, G (Fermilab) ; Anerella, M (Brookhaven Natl. Lab.) ; Barzi, E (Fermilab) ; Bossert, R (Fermilab) ; Caspi, S (LBNL, Berkeley) ; Cheng, D W (LBNL, Berkeley) ; Cozzolino, J (Brookhaven Natl. Lab.) ; Dietderich, D R (LBNL, Berkeley) ; Escallier, J (Brookhaven Natl. Lab.) et al.
As part of the LHC Accelerator Research Program (LARP) to build a high performance quadrupole magnet with Nb$_3$Sn conductor, a pair of 3.6 m-long Nb$_3$Sn racetrack coils has been made at Brookhaven National Laboratory (BNL) and installed in two shell-type support structures built by Lawrence Berkeley National Laboratory (LBL). These magnet assemblies have been tested at 4.5 K at BNL to gauge the effect of extended length and prestress on the mechanical performance of the long structure compared to earlier short models. [...]
2009 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 19 (2009) 1212-1216
In : Applied Superconductivity Conference 2008, Chicago, IL, USA, 17 - 22 Aug 2008, pp.1212-1216
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2018-07-19
07:39 |
Fabrication and Test of a 3.7 m Long Support Structure for the LARP ${\hbox{Nb}}_{3}{\hbox{Sn}}$ Quadrupole Magnet LQS01
/ Ferracin, P (LBNL, Berkeley) ; Ambrosio, G (Fermilab) ; Anerella, M (Brookhaven Natl. Lab.) ; Bingham, B (LBNL, Berkeley) ; Bossert, R (Fermilab) ; Caspi, S (LBNL, Berkeley) ; Cheng, D W (LBNL, Berkeley) ; Felice, H (LBNL, Berkeley) ; Hafalia, A R (LBNL, Berkeley) ; Hannaford, C R (LBNL, Berkeley) et al.
The 3.7 m long quadrupole magnet LQS01 represents a major step of the US LHC Accelerator Research Program (LARP) towards the development of long Nb$_3$Sn accelerator quadrupole magnets for a LHC Luminosity upgrade. The magnet support structure is a scale up of the 1 m long Technology Quadrupole TQS design with some modifications suggested by TQS model test results. [...]
2009 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 19 (2009) 1106-1111
In : Applied Superconductivity Conference 2008, Chicago, IL, USA, 17 - 22 Aug 2008, pp.1106-1111
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2018-07-19
07:39 |
Test results of TQS03: A LARP shell-based Nb$_3$Sn quadrupole using 108/127 conductor
/ Felice, H (LBNL, Berkeley) ; Ambrosio, G (Fermilab) ; Bajko, M (CERN) ; Barzi, E (Fermilab) ; Bordini, B (CERN) ; Bossert, R (Fermilab) ; Caspi, S (LBNL, Berkeley) ; Dietderich, D (LBNL, Berkeley) ; Ferracin, P (LBNL, Berkeley) ; Feuvrier, J (CERN) et al.
Future insertion quadrupoles with large apertures and high gradients will be required for the Phase II luminosity upgrade (10$^{35}$ cm$^{−2}$s$^{−1}$) of the Large Hadron Collider (LHC). Although improved designs, based on NbTi, are being considered as an intermediate step for the Phase I upgrade, the Nb$_3$Sn conductor is presently the best option that meets the ultimate performance goals for both operating field and temperature margin. [...]
2010 - 14 p.
- Published in : J. Phys. : Conf. Ser. 234 (2010) 032010
Fulltext: PDF;
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2018-07-17
06:56 |
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2018-07-17
04:12 |
Exploring cosmic origins with CORE: Survey requirements and mission design
/ CORE Collaboration
Future observations of cosmic microwave background (CMB) polarisation have the potential to answer some of the most fundamental questions of modern physics and cosmology. In this paper, we list the requirements for a future CMB polarisation survey addressing these scientific objectives, and discuss the design drivers of the CORE space mission proposed to ESA in answer to the "M5" call for a medium-sized mission. [...]
arXiv:1706.04516.-
2018-04-05 - 79 p.
- Published in : JCAP 1804 (2018) 014
Preprint: PDF;
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2018-07-14
06:02 |
Implementation of the VMM ASIC in the Scalable Readout System
/ Lupberger, M (CERN) ; Bartels, L (Gottingen U., II. Phys. Inst. ; CERN) ; Brunbauer, F M (CERN ; Vienna, Tech. U.) ; Guth, M (Freiburg U. ; CERN) ; Martoiu, S (Bucharest, IFIN-HH) ; Müller, H (CERN) ; Oliveri, E (CERN) ; Pfeiffer, D (CERN ; ESS, Lund) ; Ropelewski, L (CERN) ; Rusu, A (Bucharest, IFIN-HH) et al.
The Scalable Readout System (SRS) developed by the RD51 collaboration is a versatile and multi-purpose approach, which is used with different front-end chips to transfer data from detectors to computers. Targeting mainly micro-pattern gaseous detectors, the system is also applicable for silicon strip or pad detectors. [...]
2018 - 8 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 903 (2018) 91-98
In : 5th International Conference on Micro-Pattern Gas Detectors, Philadelphia, Pennsylvania, Pa, Usa, 22 - 26 May 2017, pp.91-98
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2018-07-13
10:27 |
Angular analysis of the decay B$_0$ → K * µµ with the CMS detector
/ Boletti, Alessio (INFN, Padua ; Padua U.)
/CMS
The Flavour Changing Neutral Current decay, B$_0$ → K*$_0$ µ + µ − is very sensitive to New Physics contributions through its observables like the muon forward-backward asymmetry, the fraction of K * longitudinal polarization, and the differential branching fraction. These parameters, as reported from previous experiments, remain so far consistent with SM prediction. [...]
Gatchina : Kurchatov Institute, 2016 - 4 p.
- Published in : , pp. 705-708
Fulltext: PDF;
In : 3rd Annual Large Hadron Collider Physics Conference, St. Petersburg, Russia, 31 Aug - 5 Sep 2015, pp.705-708
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2018-07-13
10:27 |
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2018-07-13
10:27 |
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2018-07-13
10:27 |
Heavy Flavour prospects at the HL-LHC On behalf of the ATLAS, CMS and LHCb Collaborations
/ Derkach, Denis (Higher Sch. of Economics, Moscow ; Yandex Sch. Data Anal., Moscow)
/ATLAS ; CMS ; LHC
The development of flavour physics has been impetuous in recent years: there
have been discoveries of CP violation in different B-meson systems, detailed
studies of mixing effects in neutral B and D mesons, and observation of rare
decays with unprecedented sensitivities. New discoveries can be expected for
larger samples available in the near future. [...]
Gatchina : Kurchatov Institute, 2016 - 6 p.
- Published in : , pp. 550-555
Fulltext: PDF;
In : 3rd Annual Large Hadron Collider Physics Conference, St. Petersburg, Russia, 31 Aug - 5 Sep 2015, pp.550-555
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