ICFA Mini-Workshop on Beam-Beam Effects in Circular Colliders
from
Monday 5 February 2018 (08:00)
to
Wednesday 7 February 2018 (18:00)
Monday 5 February 2018
¶
08:45
Welcome
Welcome
08:45 - 09:00
09:00
Beam-beam effects in JLEIC
-
Yves Roblin
(
Thomas Jefferson National Accelerator Facility
)
Beam-beam effects in JLEIC
Yves Roblin
(
Thomas Jefferson National Accelerator Facility
)
09:00 - 09:30
09:30
Effects of electron bunch replacement in eRHIC
-
Christoph Montag
(
BNL
)
Effects of electron bunch replacement in eRHIC
Christoph Montag
(
BNL
)
09:30 - 10:00
10:00
Strong-strong simulation of e-p beam-beam interaction eRHIC
-
Victor Smalyuk
(
Brookhaven National Laboratory
)
Strong-strong simulation of e-p beam-beam interaction eRHIC
Victor Smalyuk
(
Brookhaven National Laboratory
)
10:00 - 10:30
10:30
Break
Break
10:30 - 10:45
10:45
Beam-beam interaction with crossing angles
-
YUE HAO
(
Michigan State Univeristy
)
Beam-beam interaction with crossing angles
YUE HAO
(
Michigan State Univeristy
)
10:45 - 11:15
11:15
Beam-beam effects with multiple interactions points in eRHIC
-
Yun Luo
(
Brookhaven National Laboratory
)
Beam-beam effects with multiple interactions points in eRHIC
Yun Luo
(
Brookhaven National Laboratory
)
11:15 - 11:45
11:45
Proton beam emittance growth due to strongly disrupted electron beam in eRHIC
-
Gabriele Bassi
(
Brookhaven National Laboratory
)
Proton beam emittance growth due to strongly disrupted electron beam in eRHIC
Gabriele Bassi
(
Brookhaven National Laboratory
)
11:45 - 12:15
12:15
Lunch
Lunch
12:15 - 13:45
13:45
Beam-beam effects in RHIC
-
Yun Luo
(
Brookhaven National Laboratory
)
Beam-beam effects in RHIC
Yun Luo
(
Brookhaven National Laboratory
)
13:45 - 14:15
14:15
Beam-beam issues in the luminosity performance at BEPCII
-
Qing Qin
(
IHEP
)
Beam-beam issues in the luminosity performance at BEPCII
Qing Qin
(
IHEP
)
14:15 - 14:45
14:45
Luminosity leveling and beam-beam effects in the LHC
-
Maria Belen Salvachua Ferrando
(
CERN
)
Luminosity leveling and beam-beam effects in the LHC
Maria Belen Salvachua Ferrando
(
CERN
)
14:45 - 15:15
15:15
Break
Break
15:15 - 15:30
15:30
Beam-Beam Orbit effects in the LHC
-
Michi Hostettler
(
CERN and University of Bern
)
Beam-Beam Orbit effects in the LHC
Michi Hostettler
(
CERN and University of Bern
)
15:30 - 16:00
16:00
Beam-beam effects in KEKB/SuperKEKB
-
kazuhito ohmi
(
KEK
)
Beam-beam effects in KEKB/SuperKEKB
kazuhito ohmi
(
KEK
)
16:00 - 16:30
16:30
IR magnets for SuperKEKB
-
Norihito Ohuchi
(
KEK, High Energy Accelerator Research Organization
)
IR magnets for SuperKEKB
Norihito Ohuchi
(
KEK, High Energy Accelerator Research Organization
)
16:30 - 17:00
17:00
Discussions
Discussions
17:00 - 17:30
Tuesday 6 February 2018
¶
09:00
FCC hadron colliders beam-beam effects
-
Tatiana Pieloni
(
EPFL
)
FCC hadron colliders beam-beam effects
Tatiana Pieloni
(
EPFL
)
09:00 - 09:30
09:30
Beam-Beam beta-beating effects and implication for the HL-LHC and FCC
-
Claudia Tambasco
(
École polytechnique fédérale de Lausanne (EPFL)
)
Beam-Beam beta-beating effects and implication for the HL-LHC and FCC
Claudia Tambasco
(
École polytechnique fédérale de Lausanne (EPFL)
)
09:30 - 10:00
10:00
Landau damping using electron lens for FCC
-
Alexander Valishev
(
Fermilab
)
Landau damping using electron lens for FCC
Alexander Valishev
(
Fermilab
)
10:00 - 10:30
10:30
Break
Break
10:30 - 10:45
10:45
Beam-beam simulations for the LHeC project
-
Edward Nissen
(
Jefferson Lab
)
Beam-beam simulations for the LHeC project
Edward Nissen
(
Jefferson Lab
)
10:45 - 11:15
11:15
Beam-beam effects in CEPC
-
Yuan Zhang
(
Institute of High Energy Physics, CAS
)
Beam-beam effects in CEPC
Yuan Zhang
(
Institute of High Energy Physics, CAS
)
11:15 - 11:45
11:45
Beam-beam effects in plasma acceleration based linear collider
-
Carl Schroeder
Beam-beam effects in plasma acceleration based linear collider
Carl Schroeder
11:45 - 12:15
12:15
Lunch
Lunch
12:15 - 13:45
13:45
Landau damping of head-tail modes in the presence of beam-beam interactions
-
Claudia Tambasco
(
École polytechnique fédérale de Lausanne (EPFL)
)
Landau damping of head-tail modes in the presence of beam-beam interactions
Claudia Tambasco
(
École polytechnique fédérale de Lausanne (EPFL)
)
13:45 - 14:15
14:15
Numerical and experimental studies of coherent beam-beam modes: stability and decoherence
-
Xavier Buffat
(
CERN
)
Numerical and experimental studies of coherent beam-beam modes: stability and decoherence
Xavier Buffat
(
CERN
)
14:15 - 14:45
14:45
Coherent beam-beam instability in collision with a large crossing angle
-
kazuhito ohmi
(
KEK
)
Coherent beam-beam instability in collision with a large crossing angle
kazuhito ohmi
(
KEK
)
14:45 - 15:15
15:15
Break
Break
15:15 - 15:30
15:30
LHC weak-strong beam-beam simulations and experiments
-
Dario Pellegrini
(
CERN
)
LHC weak-strong beam-beam simulations and experiments
Dario Pellegrini
(
CERN
)
15:30 - 16:00
16:00
Luminosity modelling and beam lifetimes in the LHC
-
Ioannis Papaphilippou
(
CERN
)
Luminosity modelling and beam lifetimes in the LHC
Ioannis Papaphilippou
(
CERN
)
16:00 - 16:30
16:30
Working point optimization for colliding beams in HL-LHC
-
Dobrin Kaltchev
(
TRIUMF
)
Working point optimization for colliding beams in HL-LHC
Dobrin Kaltchev
(
TRIUMF
)
16:30 - 17:00
17:00
Predicting losses from dynamic aperture simulations: LHC measurements versus simulations
-
Tatiana Pieloni
(
EPFL
)
Predicting losses from dynamic aperture simulations: LHC measurements versus simulations
Tatiana Pieloni
(
EPFL
)
17:00 - 17:30
17:30
discussions
discussions
17:30 - 18:00
19:00
No-Host Dinner
No-Host Dinner
19:00 - 21:00
Room: China Village
Wednesday 7 February 2018
¶
09:00
Dynamic aperture simulations of colliding beams and operational scenarios of HL-LHC
-
Nikolaos Karastathis
(
CERN
)
Dynamic aperture simulations of colliding beams and operational scenarios of HL-LHC
Nikolaos Karastathis
(
CERN
)
09:00 - 09:30
09:30
Beam-beam modelling revision in SIXTRACK
-
Giovanni Iadarola
(
CERN
)
Beam-beam modelling revision in SIXTRACK
Giovanni Iadarola
(
CERN
)
09:30 - 10:00
10:00
Numerical noise in strong-strong beam-beam simulation
-
Ji Qiang
Numerical noise in strong-strong beam-beam simulation
Ji Qiang
10:00 - 10:30
10:30
Break
Break
10:30 - 10:45
10:45
Long-Term Simulations of Beam-Beam Dynamics with GHOST
-
Balsa Terzic
(
Old Dominion University
)
Long-Term Simulations of Beam-Beam Dynamics with GHOST
Balsa Terzic
(
Old Dominion University
)
10:45 - 11:15
11:15
Renormalization group theory application to beam-beam study
-
Yong Ho Chin
(
KEK
)
Renormalization group theory application to beam-beam study
Yong Ho Chin
(
KEK
)
11:15 - 11:45
11:45
Long-range compensation simulations with wires for the LHC and HL-LHC
-
Alexander Valishev
(
Fermilab
)
Long-range compensation simulations with wires for the LHC and HL-LHC
Alexander Valishev
(
Fermilab
)
11:45 - 12:15
12:15
Lunch
Lunch
12:15 - 13:45
13:45
E-lens test stand at CERN
-
Adriana Rossi
(
CERN
)
E-lens test stand at CERN
Adriana Rossi
(
CERN
)
13:45 - 14:15
14:15
The RHIC electron lenses - technology and e-beam measurements
-
Xiaofeng Gu
(
Brookhaven National Lab
)
The RHIC electron lenses - technology and e-beam measurements
Xiaofeng Gu
(
Brookhaven National Lab
)
14:15 - 14:45
14:45
Head-on beam-beam compensation in RHIC
-
Wolfram Fischer
(
BNL
)
Head-on beam-beam compensation in RHIC
Wolfram Fischer
(
BNL
)
14:45 - 15:15
15:15
Break
Break
15:15 - 15:30
15:30
Long-range compensation experiment in the LHC
-
Guido Sterbini
(
CERN
)
Long-range compensation experiment in the LHC
Guido Sterbini
(
CERN
)
15:30 - 16:00
16:00
Achromatic Telescopic Squeezing scheme: basic principles and by-products in terms long-range beam-beam compensation techniques
-
Stéphane Fartoukh
(
CERN
)
Achromatic Telescopic Squeezing scheme: basic principles and by-products in terms long-range beam-beam compensation techniques
Stéphane Fartoukh
(
CERN
)
16:00 - 16:30
16:30
Beam-Beam Effects, Electron Lenses, and the Tevatron experience
-
Giulio Stancari
(
Fermilab
)
Beam-Beam Effects, Electron Lenses, and the Tevatron experience
Giulio Stancari
(
Fermilab
)
16:30 - 17:00
17:00
Close Out
Close Out
17:00 - 17:30