The Large Hadron-Electron Collider (LHEC) at the LHC (2009)
Zimmermann, F, Bordry, F, Braun, H, Bruning, O, Burkhardt, H, Eide, A, ...
Sub-atomic physics at the energy frontier probes the structure of the fundamental quanta of the Universe. The Large Hadron Collider (LHC) at CERN opens for the first time the ‘terascale’ (TeV...
A Storage Ring based Option for the LHeC (2008)
Willeke, F, Bordry, Frederick, Braun, H H, Brüning, Oliver Simon, Burkhardt, H, Chattopadhyay, S, ...
The LHeC aims at the generation of hadron-lepton collisions with center of mass energies in the TeV scale and luminosities of the order of $10^{32}-10^{33} cm^{-2} sec^{-1}$ by taking advantage of...
COMPARISON Of MEASURED AND CALCULATED DYNAMIC APERTURE (2007)
Dynamic aperture experiments at the Fermilab Main Ring, the TEVATRON, the SPS and HERA are reviewed and compared with simulations. The agreement between experiments with additional strong...
Reduction Of Particle Losses In Hera By Generating An Additional Harmonic Tune Modulation (2007)
The combined effect of non-linear fields and a tune modulation with fast and slow frequency components results in an enhanced emittance growth and increased loss rate in hadron storage rings. In the...
Effect Of Quadrupole Noise On The Emittance Growthof Protons In Hera (2007)
T. Sen, O. Brüning, F. Willeke
The emittance growth in HERA at luminosity is about 1#mmmrad /hr. Intra-beam scattering and the beam-beam interaction coupled with tune modulation account for only part of the growth. Here we discuss...
Deep Inelastic Electron-Nucleon Scattering at the LHC (2006)
Dainton, J. B., Klein, M., Newman, P., Perez, E., Willeke, F.
The physics, and a design, of a Large Hadron Electron Collider (LHeC) are sketched. With high luminosity, 10^{33}cm^{-2}s^{-1}, and high energy, \sqrt{s}=1.4 TeV, such a collider can be built in...
Deep inelastic electron-nucleon scattering at the LHC (2006)
Dainton, JB, Klein, M, Newman, P, Willeke, F
The physics, and a design, of a Large Hadron Electron Collider (LHeC) are sketched. With high luminosity, 1033cm-2s-1, and high energy, s1/2=1.4TeV, such a collider can be built in which a 70GeV...
Work plans of the EUROTeV technical work packages (2005)
Blair, G, Clarke, J, Angal-Kalinin, D, Busser, K, Elsen, E, Guiducci, S, ...
Destabilising Effect of Linear Coupling in the HERA Proton Ring (2002)
Métral, Elias, Willeke, F, Hoffstätter, G H
Since the first start-up of HERA in 1992, a transverse coherent instability has appeared from time to time at the beginning of the acceleration ramp. In this process, the emittance is blown up and...
Destabilising Effect of Linear Coupling in the HERA Proton Ring (2002)
Métral, Elias, Hoffstätter, G H, Willeke, F
Since the first start-up of HERA in 1992, a transverse coherent instability has appeared from time to time at the beginning of the acceleration ramp. In this process, the emittance is blown up and...
Beam Based Alignment of Interaction Region Magnets (2002)
Hoffstaetter, G. H., Willeke, F.
In conventional beam based alignment (BBA) procedures, the relative alignment of a quadrupole to a nearby beam position monitor is determined by finding a beam position in the quadrupole at which the...
Czarapata, P C, Hartill, D L, Myers, S, Peggs, S, Phinney, N, Serio, M, ...
A study on future large accelerators [1] has considered a facility, which is designed, built and operated by a worldwide collaboration of equal partner institutions, and which is remote from most of...
Czarapata, P., Hartill, D., Myers, S., Peggs, S., Phinney, N., Serio, M., ...
A study on future large accelerators [1] has considered a facility, which is designed, built and operated by a worldwide collaboration of equal partner institutions, and which is remote from most of...
Czarapata, P C, Hartill, D L, Myers, S, Peggs, S, Phinney, N, Serio, M, ...
A study on future large accelerators [1] has considered a facility, which is designed, built and operated by a worldwide collaboration of equal partner institutions, and which is remote from most of...
Status Report of the Inter-Laboratory Task Force on Remote Operation (2002)
Czarapata, P C, Hartill, D L, Myers, S, Peggs, S, Phinney, N, Serio, M, ...
In February 2000, the International Committee for Future Accelerators initiated a study of a new model for international collaboration on a future large accelerator project, the Global Accelerator...
Status Report of the Inter-Laboratory Task Force on Remote Operation (2002)
Czarapata, P C, Hartill, D L, Myers, S, Peggs, S, Phinney, N, Serio, M, ...
In February 2000, the International Committee for Future Accelerators initiated a study of a new model for international collaboration on a future large accelerator project, the Global Accelerator...
How to Commission, Operate and Maintain a Large Future Accelerator Complex from Far Remote (2001)
Czarapata, P., Hartill, D., Myers, S., Peggs, S., Phinney, N., Serio, M., ...
A study on future large accelerators [1] has considered a facility, which is designed, built and operated by a worldwide collaboration of equal partner institutions, and which is remote from most of...
Two-dimensional Cooling of Ion Beams in Storage Rings by Narrow Broad-Band Laser Beams (1998)
A new scheme for the two-dimensional cooling of ion beams in storage rings is suggested in which ions interact with a counterpropagating broad-band laser beam. The interaction region in the direction...
Linac-Ring Type Colliders: Fourth Way To TeV Scale (1997)
Brinkmann, R., Ciftci, A. K., Sultansoy, S., Turkoz, S., Willeke, F., Yavas, O., ...
The present status of suggested linac-ring type ep and gamma-p colliders is reviewed. The main parameters of these machines as well as e-nucleus and gamma-nucleus colliders are considered. It is...
HELENA: a beauty factory in Hamburg (1992)
Albrecht, H, Böhm, G, Ehrlichmann, H, Michel, E, Nowak, H, Nowak, S, ...
Association in strongly interacting liquid binary alloys and nuclear spin relaxation (1984)
Elwenspoek, M., Brinkmann, R., Hartrott Von, M., Kiehl, M., Maxim, P., Paulick, C.A., ...
An experimental quantity sensitive to the time development of the distance between two atoms in a liquid alloy, is the quadrupolar nuclear spin relaxation rate RQ. The existing material for...
Association in strongly interacting liquid binary alloys and nuclear spin relaxation. (1984)
Elwenspoek, M., Brinkmann, R., Hartrott, M.von, Kiehl, M., Maxim, P., Paulick, C.A., ...
Journal of Non-Crystalline Solids, 61/62(1984) S.153-56
SHORT RANGE ORDER AND QUADRUPOLAR NUCLEAR SPIN RELAXATION IN LIQUID ALLOYS (1980)
Weihreter, E., Hartrott, M., Quitmann, D., Rossbach, J., Willeke, F.
Measurements of the quadrupolar part of the nuclear spin relaxation rate, RO, are reported for the liquid metallic alloys In-Sn and Sn-Sb. The relaxation rate has been observed as a function of...
SHORT RANGE ORDER AND QUADRUPOLAR NUCLEAR SPIN RELAXATION IN LIQUID ALLOYS (1980)
Weihreter, E., Hartrott, M., Quitmann, D., Rossbach, J., Willeke, F.
Measurements of the quadrupolar part of the nuclear spin relaxation rate, RO, are reported for the liquid metallic alloys In-Sn and Sn-Sb. The relaxation rate has been observed as a function of...
SHORT RANGE ORDER AND QUADRUPOLAR NUCLEAR SPIN RELAXATION IN LIQUID ALLOYS (1980)
Weihreter, E., Hartrott, M., Quitmann, D., Rossbach, J., Willeke, F.
Measurements of the quadrupolar part of the nuclear spin relaxation rate, RO, are reported for the liquid metallic alloys In-Sn and Sn-Sb. The relaxation rate has been observed as a function of...
Local fluctuations and quadrupolar relaxation: liquid lead alloys. (1980)
Rossbach, J., Hartrott, M.von, Hoehne, J., Quitmann, D., Weihreter, E., Willeke, F.
Journal of Physics F: Metal Physics, 10(1980) S.729-41
Systematical trends of nuclear quadrupolar relaxation in metallic liquid alloys of indium. (1979)
Hartrott, M.von, Hoehne, J., Quitmann, D., Rossbach, J., Weihreter, E., Willeke, F.
Physical Review B, 19(1979) S.3449-61
Direct Observation of Beam-Beam Induced Dynamical Beta Beating at HERA. 2006-06-26 - 2006-06-30
G. Kube, DESY Maschinenphysik, F. Willeke
Poster
Willeke, F, Horisberger, K, Kraus-Tiefenbacher, U, Wenz, F, Leitner, A, Hochhaus, A, ...
We sought to evaluate the efficacy and safety data of a combination regimen using weekly irinotecan in combination with capecitabine and concurrent radiotherapy (CapIri-RT) as neoadjuvant treatment...
Langbein, S, Zerilli, M, Zur Hausen, A, Staiger, W, Rensch-Boschert, K, Lukan, N, ...
Tumours ferment glucose to lactate even in the presence of oxygen (aerobic glycolysis; Warburg effect). The pentose phosphate pathway (PPP) allows glucose conversion to ribose for nucleic acid...