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2017-02-09
08:40
OpenAccess [PUBDB-2017-00921] Proceedings/Report

HERA Seminar Bad Lauterberg 1995
[DESY-HERA-95-03]
HERA Seminar 1995, Meeting locationBad Lauterberg, Germany, 6 Mar 1995 - 9 Mar 19951995-03-061995-03-09
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2016-09-16
11:33
[PUBDB-2016-03705] Report/Contribution to a conference proceedings
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A Model of ATL Ground Motion for Storage Rings
[PAC03-WPPE036; DESY-M-03-01W]
2003 Particle Accelerator Conference, PAC2003, Meeting locationPortland, USA, 12 May 2003 - 16 May 20032003-05-122003-05-16
Hamburg : DESY, 73-75 (2003)
Low emittance electron storage rings, such as those used in third generation light sources or linear collider damping rings, rely for their performance on highly stable alignment of the lattice components. Even if all vibration and environmental noise sources could be suppressed,diffusive ground motion will lead to orbit drift and emittance growth. [...]
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2016-09-16
11:30
OpenAccess [PUBDB-2016-03704] Report/Contribution to a conference proceedings

Recent Progress with the HERA Lepton-Proton Collider
[DESY-M-03-01V]
2003 Particle Accelerator Conference, PAC2003, Meeting locationPortland, USA, 12 May 2003 - 16 May 20032003-05-122003-05-16
Hamburg : DESY, 70-72 (2003)
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2016-09-16
11:26
[PUBDB-2016-03702] Report/Contribution to a conference proceedings
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First Demonstration of Microphonic Control of a Superconducting Cavity with a Fast Piezoelectric Tuner
[PAC03-ROAA004; DESY-M-03-01U]
2003 Particle Accelerator Conference, PAC2003, Meeting locationPortland, USA, 12 May 2003 - 16 May 20032003-05-122003-05-16
Hamburg : DESY, 67-69 (2003)
Superconducting cavities exhibit a high susceptibility to mechanical vibrations due to their narrow bandwidth of operation. The resulting odulation of the resonance frequency (typical amplitudes are, in the absence of mechanical dampers, a few tens of Hz at a modulation frequency of up to a few hundred Hz) can exceed the cavity bandwidth leading to a perturbation of the amplitude and phase of the accelerating field, which can be controlled only at the expense of rf power. [...]
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2016-09-16
11:18
[PUBDB-2016-03701] Report/Contribution to a conference proceedings
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Cold- and Beam Test of the First Prototypes of the Superstructure for the TESLA Collider
[PAC03-ROAA003; SLAC-PUB-10111; DESY-M-03-01T]
2003 Particle Accelerator Conference, PAC2003, Meeting locationPortland, USA, 12 May 2003 - 16 May 20032003-05-122003-05-16
Hamburg : DESY, 64-66 (2003)
After three years of preparation, two superstructures, each made of two superconducting 7-cell weakly coupled subunits, have been installed in the TESLA Test Facility linac (TTF) for the cold- and beam test. The energy stability, the HOMs damping, the frequency and the field adjustment methods were tested. [...]
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2016-09-16
11:13
[PUBDB-2016-03700] Report/Contribution to a conference proceedings
; ; ; et al
Active HOMs Excitation in the First Prototypes of Superstructure
[DESY-M-03-01S; PAC03-TPAB084]
2003 Particle Accelerator Conference, PAC2003, Meeting locationPortland, USA, 12 May 2003 - 16 May 20032003-05-122003-05-16
Hamburg : DESY, 61-63 (2003)
An alternative layout of the TESLA collider [1], based on superstructures [2], reduces investment cost for the main accelerator due to a much lower number of input couplers and resulting from that, a simplification in the RF distribution system. In May 2002, two first Nb prototypes of the superstructure (P1, P2) were installed next to the injector in the TESLA Test Facility linac (TTF) at DESY to verify experimentally the predictedRF-properties. [...]
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2016-09-16
11:09
OpenAccess [PUBDB-2016-03699] Report/Contribution to a conference proceedings
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Simulations of the TESLA Linear Collider with a Fast Feedback System
[DESY-M-03-01R]
2003 Particle Accelerator Conference, PAC2003, Meeting locationPortland, USA, 12 May 2003 - 16 May 20032003-05-122003-05-16
Hamburg : DESY, 58-60 (2003)
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2016-09-16
11:07
[PUBDB-2016-03698] Report/Contribution to a conference proceedings
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Simulations of the Static Tuning for the TESLA Linear Collider
[PAC03-RPAB007; DESY-M-03-01Q]
2003 Particle Accelerator Conference, PAC2003, Meeting locationPortland, USA, 12 May 2003 - 16 May 20032003-05-122003-05-16
Hamburg : DESY, 55-57 (2003)
At the heart of the TESLA linear collider are the two 10 km long superconducting linacs. A linac is constructed from 858 cryomodules each containing 12 nine-cell 1.3 GHz superconducting cavities [...]
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2016-09-16
10:56
[PUBDB-2016-03697] Report/Contribution to a conference proceedings
; ; ; et al
On the Photocathodes udes at the TTF Photoinjector
[PAC03-WPAB016; DESY-M-03-01P]
2003 Particle Accelerator Conference, PAC2003, Meeting locationPortland, USA, 12 May 2003 - 16 May 20032003-05-122003-05-16
Hamburg : DESY, 52-54 (2003)
Since the start-up of the laser driven rf gun based photoinjector at the TESLA Test Facility (TTF) late 1998, several cathodes have been used. We report on the properties of Cs2Te and KCsTe cathodes under operating conditions, their quantum efficiency and lifetime. [...]
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2016-09-16
10:53
[PUBDB-2016-03695] Report/Contribution to a conference proceedings
; ; ; et al
On the Realistic Gain Estimation of the CSR Microbunching Instability in Bunch Compressors
[PAC03-MPPB067; DESY-M-03-01O]
2003 Particle Accelerator Conference, PAC2003, Meeting locationPortland, USA, 12 May 2003 - 16 May 20032003-05-122003-05-16
Hamburg : DESY, 49-51 (2003)
For a realistic gain estimation of the CSR microbunching instability, we describe limitations of the current gain estimation methods in detail and several smearing effects which we do not consider yet..
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