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1.
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Up and Down Quark Structure of the Proton
/ D0 Collaboration
We measure proton structure parameters sensitive primarily to valence quarks using 8.6 fb$^{-1}$ of data collected by the D0 detector in $\sqrt{s}=1.96$ TeV $p\bar{p}$ collisions at the Fermilab Tevatron. We exploit the property of the forward-backward asymmetry in dilepton events to be factorized in to distinct structure parameters and electroweak quark-level asymmetries. [...]
arXiv:2403.09331; FERMILAB-PUB-24-0106.-
2024-11-01 - 9 p.
- Published in : Phys. Rev. D 110 (2024) L091101
Fulltext: 2403.09331 - PDF; ac6e837b76b62c6abd0c093880b8f7a2 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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2.
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Development and test of single-bore $Cos \vartheta$ Nb$_3$Sn dipole models with cold iron yoke
/ Andreev, N (Fermilab) ; Ambrosio, G (Fermilab) ; Barzi, E (Fermilab) ; Carcagno, R (Fermilab) ; Chichili, D R (Fermilab) ; DiMarco, J (Fermilab) ; Feher, S (Fermilab) ; Imbasciati, L (Fermilab) ; Kashikhin, V V (Fermilab) ; Lamm, M (Fermilab) et al.
Two short Nb$_3$Sn dipole models based on a single-bore cos-theta coil with a cold iron yoke were fabricated and tested at Fermilab. This paper summarizes the details of magnet design and fabrication procedure, and reports the test results including quench performance and quench heater studies, and the magnetic measurements..
FERMILAB-CONF-01-380.-
2002 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 12 (2002) 332-336
Fulltext: PDF;
In : 17th International Conference on Magnet Technology, CERN, Geneva, Switzerland, 24 - 28 Sep 2001, pp.332-336
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3.
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Development and test of Nb$_3$Sn cos-theta dipoles based on PIT strands
/ Zlobin, A V (Fermilab) ; Ambrosio, G (Fermilab) ; Andreev, N (Fermilab) ; Barzi, E (Fermilab) ; Bossert, R (Fermilab) ; Carcagno, R (Fermilab) ; Chichili, D R (Fermilab) ; Elementi, L (Fermilab) ; Feher, S (Fermilab) ; Kashikhin, V V (Fermilab) et al.
Fermilab is involved in the development of new generation high-field accelerator magnets using state-of-the-art Nb$_3$Sn strands produced using different technologies. Two 1-m long models-mirror configuration and dipole magnet-were fabricated recently at Fermilab based on powder-in-tube (PIT) Nb$_3$Sn strands with small effective filament size. [...]
FERMILAB-CONF-04-274-TD.-
2005 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 15 (2005) 1160-1163
Fulltext: PDF; External link: Fermilab Library Server (fulltext available)
In : Applied Superconductivity Conference: Harnessing the Magic, Jacksonville, FL, USA, 3 - 8 Oct 2004, pp.1160-1163
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4.
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Test results of shell-type Nb$_3$Sn dipole coils
/ Feher, S (Fermilab) ; Ambrosio, G (Fermilab) ; Andreev, N (Fermilab) ; Barzi, E (Fermilab) ; Carcagno, R (Fermilab) ; Chichili, D R (Fermilab) ; Kashikhin, V (Fermilab) ; Kashikhin, V V (Fermilab) ; Lamm, M J (Fermilab) ; Orris, D (Fermilab) et al.
Several different shell type coils were made by using the 'wind-and-react' technique, installed in a mirror magnet configuration and tested at Fermilab. The results revealed that the previously suspect splice technique is adequate and is not responsible for the quench performance limitation. [...]
FERMILAB-FN-0864-TD.-
2004 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 14 (2004) 349-352
In : 18th International Conference on Magnet Technology, Morioka, Japan, 20 - 24 Oct 2003, pp.349-352
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5.
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Design and Analysis of TQS01, a 90 mm Nb$_3$Sn Model Quadrupole for LHC Luminosity Upgrade Based on a Key and Bladder Assembly
/ Caspi, S (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Andreev, N (Fermilab) ; Barzi, E (Fermilab) ; Bossert, R C (Fermilab) ; Dietderich, D R (LBL, Berkeley) ; Ferracin, P (LBL, Berkeley) ; Ghosh, A (Brookhaven Natl. Lab.) ; Gourlay, S A (LBL, Berkeley) ; Hafalia, A R (LBL, Berkeley) et al.
The US LHC Accelerator Research Program (LARP) is developing Nb$_3$Sn accelerator magnet technology for the LHC luminosity upgrade. Two 90 mm "Technology Quadrupole" models (TQS01, TQC01) are being developed in close collaboration between LBNL and FNAL, using identical coil design, but two different support structures [...]
2006 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 16 (2006) 358-361
In : 19th International Conference on Magnet Technology, Genoa, Italy, 18 - 23 Sep 2005, pp.358-361
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6.
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Magnet R&D for the US LHC Accelerator Research Program (LARP)
/ Gourlay, S A (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Andreev, N (Fermilab) ; Anerella, M (Brookhaven Natl. Lab.) ; Barzi, E (Fermilab) ; Bossert, R (Fermilab) ; Caspi, S (LBL, Berkeley) ; Dietderich, D R (LBL, Berkeley) ; Ferracin, P (LBL, Berkeley) ; Gupta, R (Brookhaven Natl. Lab.) et al.
In 2004, the US DOE established the LHC Accelerator Research Program (LARP) with the goal of developing a technology base for future upgrades of the LHC. The focus of the magnet program, which is a collaboration of three US laboratories, BNL, FNAL and LBNL, is on development of high gradient quadrupoles using Nb$_3$Sn superconductor [...]
2006 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 16 (2006) 324-327
In : 19th International Conference on Magnet Technology, Genoa, Italy, 18 - 23 Sep 2005, pp.324-327
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7.
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Development and Fabrication of Nb$_3$Sn Rutherford Cable for the 11 T DS Dipole Demonstration Model
/ Barzi, E (Fermilab) ; Lombardo, V (Fermilab) ; Nobrega, F (Fermilab) ; Turrioni, D (Fermilab) ; Yamada, R (Fermilab) ; Zlobin, A V (Fermilab) ; Karppinen, M (CERN)
Fermilab and CERN started the development of 11 T Nb$_3$Sn dipoles 11 m long to replace a few regular LHC NbTi dipoles and free space for cold collimators in LHC dispersion suppression (DS) areas. An important step in the design of these magnets is the development of the high aspect ratio Nb$_3$Sn cable to achieve the nominal field of 11 T at the nominal LHC operating current of 11.85 kA with 20% margin. [...]
FERMILAB-CONF-11-431-TD.-
2012 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 22 (2012) 6000805
Fulltext: PDF;
In : 22nd International Conference on Magnet Technology, Marseille, France, 12 - 16 Sep 2011, pp.6000805
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8.
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Design and Fabrication of a Single-Aperture 11T Nb$_3$Sn Dipole Model for LHC Upgrades
/ Andreev, N (Fermilab) ; Apollinari, G (Fermilab) ; Barzi, E (Fermilab) ; Bossert, R (Fermilab) ; Nobrega, F (Fermilab) ; Novitski, I (Fermilab) ; Turrioni, D (Fermilab) ; Yamada, R (Fermilab) ; Zlobin, A V (Fermilab) ; Auchmann, B (CERN) et al.
The planned upgrade of the LHC collimation system includes additional collimators to be installed in the dispersion suppressor areas of points 2, 3 and 7. To provide the necessary longitudinal space for the collimators, a replacement of 8.33 T Nb-Ti LHC main dipoles with 11 T dipoles based on Nb3Sn superconductor compatible with the LHC lattice and main systems is being considered. [...]
FERMILAB-CONF-11-430-TD.-
2011 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 22 (2012) 4001705
Fulltext: PDF;
In : 22nd International Conference on Magnet Technology, Marseille, France, 12 - 16 Sep 2011, pp.4001705
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Development and test of LARP technological quadrupole (TQC) magnet
/ Feher, S (Fermilab) ; Bossert, R C (Fermilab) ; Ambrosio, G (Fermilab) ; Andreev, N (Fermilab) ; Barzi, E (Fermilab) ; Carcagno, R (Fermilab) ; Kashikhin, V S (Fermilab) ; Kashikhin, V V (Fermilab) ; Lamm, M J (Fermilab) ; Nobrega, F (Fermilab) et al.
In support of the development of a large-aperture superconducting quadrupole for the Large Hadron Collider (LHC) luminosity upgrade, two-layer quadrupole models (TQC and TQS) with 90 mm aperture are being constructed at Fermilab and LBNL within the framework of the US LHC Accelerator Research Program (LARP). This paper describes the construction and test of model TQC01. [...]
FERMILAB-PUB-06-296-TD.-
2007 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 17 (2007) 1126-1129
Fulltext: PDF; External link: Fermilab Library Server (fulltext available)
In : Applied Superconductivity Conference, Seattle, WA, USA, 27 Aug - 1 Sep 2006, pp.1126-1129
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