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D. Kaltchev
Beam-beam detuning formula and its agreement with MadX. Individual collisions.
TRI-BN-22-14
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D. Kaltchev
General Beam-beam detuning formula and its tests
TRI-BN-22-20
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D. Kaltchev
Beam-beam-as-wire and wire-as-octupole approximations: tuneshifts
TRI-BN-20-25
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Skoufaris, K et al
Numerical optimization of dc wire parameters for mitigation of the long range beam-beam interactions in High Luminosity Large Hadron Collider Phys. Rev. Accel. Beams 24 (2021) 074001
PDF
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Sterbini, Guido et al
First results of the compensation of the beam-beam effect with DC wires in the LHC, CERN-ACC-2019-192. 2019 and 10th IPAC, Melbourne, Australia
PDF
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D. Kaltchev
ON WIRE-CORRECTOR OPTIMIZATION IN THE HL-LHC AND THE APPEARANCE OF SPECIAL ASPECT RATIOS, IPAC2021, Campinas, SP, Brazil
PDF
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D. Kaltchev
TWO-DIMENSIONAL BEAM-BEAM INVARIANT WITH APPLICATIONS TO HL-LHC, IPAC2021, Campinas, SP, Brazil
PDF
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D. Kaltchev
Fourier Coefficients of Long-Range Beam-Beam Hamiltonian via Two-Dimensional Bessel functions
Proc. of IPAC 2018, Vancouver BC, Canada, PDF
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D. Kaltchev, D. Pellegrini, N. Karastathis, Y. Papaphilippou, E. McIntosh,
Extended-domain tune-scans for the HL-LHC Dynamic aperture in presence of Beam-Beam effects
Proc. of IPAC 2018, Vancouver BC, Canada, PDF
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D. Kaltchev,
Tune-scans and working point optimization for colliding beams in HL-LHC,
Beam-Beam Effects Workshop, Berkeley 2018 (talk), PDF
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D. Kaltchev, Kyle Gao
EGUN-ELBT reference trajectory correction in presence of ambient fields,
TRIUMF Beam physics note, May 2014, PDF
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D. Kaltchev,
Analysis of long range studies in the LHC - comparison with the model,
Beam-Beam ICFA mini workshop 2013, Geneva,PDF
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T. Pieloni et al
Performance Limitations in the Lhc Due to Parasitic Beam-Beam Encounters- Parameter Dependence, Scaling, and Pacman Effects
IPAC2013
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D. Kaltchev,
Hamiltonian for Long-range Beam-Beam interactions -- Fourier Expansion Coefficients
TRIUMF Beam physics note,PDF
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D. Kaltchev and Alex J. Dragt,
Convergence of Taylor Transfer Map for Duffing Equation
arXiv:1212.4515
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R. Assmann, R. Bruce, X. Buffat, R. Calaga, R. Giachino, W. Herr, E. Metral, G. Papotti, T. Pieloni, G. Roy, G. Trad, D. Kaltchev,
Results of long-range beam-beam studies - scaling with beam separation and intensity
CERN-ATS-Note-2012-070 MD
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D. Kaltchev and Alex J. Dragt,
Poincare Analyticity and the Complete Variational Equations
Physica D: Nonlinear Phenomena, Volume 242, issue 1, 1 jan 2013
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V. Zvyagintsev et al,
Nine-cell Elliptical Cavity Development at TRIUMF
SRF2011
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R. Assmann, et all
LHC Collimation -- Too Good or Too Bad ?
Chamonix 2011PDF
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D. Kaltchev et al,
Studies of Transverse Single-pass Beam Breakup in E-Linac
IPAC2011
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L. Merminga et al,
ARIEL: TRIUMF's Advanced Rare IsotopE Laboratory
IPAC2011
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Meddahi, M. et al,
Results of 2009 Optics Studies of the SPS to LHC Transfer Lines
1st IPAC 2010, Kyoto, Japan
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Wollmann, D et al,
First cleaning with LHC collimators
1st IPAC 2010, Kyoto, Japan
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Schuh, M.; T\ückmantel, J.; Biarrotte, J. L.; Kaltchev, D.,
Code Benchmarking of Higher Order Modes Simulation Codes
CERN-sLHC-Project-Note-0010 - Geneva, CERN, 2010 - 6 p
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Dobrin Kaltchev and Werner Herr,
Analytical calculation of the smear for long-range beam-beam interactions,
In Proc. of PAC09, VancouverPDF
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Dobrin Kaltchev,
Mathematica program for extracting one-turn Lie generator map, application of TPSA
International Conference on Charged Particle Optics (CPO-7), Physics Procedia, Volume 1, Issue 1, Pages 1-572 (August 2008)
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W. Herr and D. Kaltchev,
Results of dynamic aperture studies for increased beta* with beam-beam interactions
CERN-LHC-Project-Note-416.- Geneva : CERN, 2008
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W. Herr, D. Kaltchev,
Effect of phase advance between interaction points in the LHC on the beam-beam interactions,
LHC Project Report 1082, Apr 1 2008,
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D. Kaltchev,
Two-fold ILC Damping Ring based on OCS6 cells,
TRIUMF Design Note TRI-DN-07-8, Mar 7 2007, PDF
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R.A. Baartman, D. Kaltchev,
Runge-Kutta DA Integrator in Mathematica Language,
in Proc. EPAC 2007
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R.A. Baartman, D. Kaltchev,
Short Quadrupole Parametrization
Proc. EPAC 2007
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Dobrin Kaltchev,
On beam-beam resonances observed in LHC tracking
TRIUMF Design Note TRI-DN-07-9, Mar 23 2007 PDF
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W. Herr, E. McIntosh, F. Schmidt, D. Kaltchev
Large Scale Beam-beam Simulations for the CERN LHC Using Distributed Computing
Proc. EPAC 2006
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D. Kaltchev,
Implementation of TPSA in the Mathematica Code LieMath
EPAC 2006
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F. Zimmermann, R. Basset, E. Benedetto, U. Dorda, M. Giovannozzi,Y. Papaphilippou, T. Pieloni, F. Ruggiero, G. Rumolo, F. Schmidt, E. Todesco,
Accelerator Physics Code Web Repository
EPAC 2006
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D. Kaltchev,
Building Truncated Taylor Maps with Mathematica and Applications to FFAG
Proc. EPAC 2004
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R. Assmann et al,
An Improved Collimation System for the LHC
Proc. EPAC 2004
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R. Assmann et al,
The New Layout of the LHC Cleaning Insertions
EPAC 2004
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M.K. Craddock, D. Kaltchev,
Feasibility Studies for a Radioactive-Ion Storage Ring
Proc. PAC 2003, PortlandPDF
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R. Assmann et al,
Tools forPredicting Cleaning Efficiency
Proc. PAC 2003, PortlandPDF
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R. Assmann et al,
Designing and Building a Collimation System for the High-Intensity
LHCBeam Proc. PAC 2003, PortlandPDF
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D. Kaltchev,
Collimation efficiency in presence of misalignment and sample closed orbit errors
LHC Project Note 294PDF
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D. Kaltchev, F.Zimmermann,
On the Transparency of the Electron Cloud to Synchrotron Radiation
Mini-Workshop on Electron-Cloud Simulations for Proton and Positron Beams, CERN, 15-18 April 2000PDF
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F. Schmidt, A. Verdier, D. Kaltchev,
Correction of the Systematic b3 Error with the Resonance-free Lattice in the LHC
Proc. EPAC 2000 Vienna PDF
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F. Schmidt, A.Verdier, D. Kaltchev,
Robustness of Resonance-free Lattices Against Gradient Errors
in Proc. PAC 2001, Chicago
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D. Kaltchev
Two-stage betatron and momentum collimation studies with applications to LHC
Proc. 7th ICFA Mini-Workshop on High Intensity High Brightness Hadron Beams "Beam Halo and Scraping", Interlaken, Wisconsin Sept. 1999 and TRIUMF Preprint TRI-PP-99-39 PDF
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D. Kaltchev, H. Mori,
Beam Collimation Working Group Summary
Proc. ICFA Mini-Workshop on High Intensity High Brightness Hadron Beams, Interlaken and Triumf Report TRI-PP-99-44PDF
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J.B. Jeanneret, D. Kaltchev, A. Verdier,
Present situation of the cleaning insertions IR3 and IR7
SLAP Beam Physics Note 6, Nov. 5 1998 PDF
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D.Kaltchev, M.K.Craddock, J.B. Jeanneret, A.Verdier
Optics solutions for the collimation insertions of the LHC
Proc. PAC'99 New York (Mar-Apr 1999) and CERN-LHC-Project-Report-305PDF
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D.Kaltchev, M.K.Craddock, R.V.Servranckx, J.B. Jeanneret,
Initial Error Analysis for The Collimation Insertion of LHC
Proc. PAC'99 New York and CERN-LHC-Project-Report-304PDF
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Dobrin Kaltchev,
Design of Betatron and Momentum Collimation Systems with code DJ. DJ User's Manual.
TRIUMF Note, TRI-DX-99-16, April 1999 PDF
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D.Kaltchev, M.K.Craddock, R.V.Servranckx, T.Risselada,
Momentum Cleaning in the LHC
Proc. EPAC'98, Stockholm, 1998 and CERN-LHC-Project-Report-194PDF
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D.Kaltchev, M.K.Craddock, R.V.Servranckx, J.B.Jeanneret,
Numerical optimization of collimator jaw orientations and locations in the LHC
Proc. PAC'97, Vancouver, May 1997 and CERN LHC Proj. Rep. 134, 1997PDF
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N. Catalan Lasheras, G.Ferioli, J.B.Jeanneret, R.Jung, T.Trenkler, D.Kaltchev,
Proton Collimation in TeV Colliders
Proc. Int. Symposium on Near Beam Physics, Fermilab, Sept. 1997
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D. Kaltchev, J.B. Jeanneret,
Optimization of Collimator Jaw Locations for the LHC
Proc. of EPAC'96 (Barcelona)PDF
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D. Kaltchev and S.Koscielniak,
Effect of gradient perturbations upon tune and beta-function of the TRIUMF ISAC RFQ accelerator
TRI-DN-95-30, TRIUMF, Sept. 1995
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D. Kaltchev, R.V. Servranckx, M.K. Craddock, W. Joho,
Lattice Studies for a High-Brightness Light Source
PAC'95 (Dallas)PDF
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D. Kaltchev, R.V. Servranckx,
Search for A and B rings lattices
TRI-DN-94-K245, TRIUMF, 1994PDF
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D. Kaltchev, R.V. Servranckx,
A Racetrack Accumulator Lattice
TRI-DN-94-K244, TRIUMF, 1994 PDF
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D. Kaltchev, R.V. Servranckx, M.K. Craddock,
KAON Accumulator and Booster Rings
Proc. EPAC'94 (London) PDF
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D.I. Kaltchev, E.A.Perelstein,
Coherent Corrections to the Synchrotron Radiation Spectrum of a Relativistic Electron Beam
Phys. Fluids B, Vol.5, No.1 (1993) pp 164-170.
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D. Kaltchev, E.A.Perelstein,
Synchrotron radiation calculations and collimator design for the Tau Charm Factory
JINR Preprint JINR-E9-93-68 (Fermilab library call number: JINR-E9-93-68)
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Kaltchev D. et al,
JINR Tau-Charm Factory Study
Proc. HEACC'92 (Hamburg), p.448
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Kaltchev D. et al,
Design Considerations for the JINR Tau-Charm Factory
Proc. IEEE PAC'91 Conference p.195
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D. Kaltchev, E.A. Perelstein,
Gain Calculations for the Synchrotron Radiation Free Electron Maser
Proc. EPAC'92 (Berlin), p.626
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D. Kaltchev, E.A.Perelstein,
A Synchrotron Radiation Free Electron Maser (in Russian)
Journal of Technical Physics, Vol. 59, 1 (1989)
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Kaltchev D. et al,
Calculation of Ion Axial Injection System into U-200 Isochronous Cyclotron
JINR Communications, P9-87-869, 1987
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Kaltchev D. et al,
H 1+ Ion Beam Transport in U-200 Cyclotron Axial Injection System
JINR Communications, P9-88-20, 1988