443 citations · 1k across the 16 of their papers we have counts for
17 papers
HELEN: Traveling Wave SRF Linear Collider Higgs Factory
S. Belomestnykh, P. C. Bhat, A. Grassellino +7
Traveling wave SRF accelerating structures offer several advantages over the traditional standing wave structures: substantially lower and lower , ratios o…
Report of Snowmass 21 Accelerator Frontier Topical Group 6 on Advanced Accelerators
C. Geddes, M. Hogan, P. Musumeci +1
The Snowmass 2021 Accelerator Frontier topical group \# 6 on Advanced Accelerator Concepts, covers new R\&D concepts for particle acceleration, generation, and focusing. Based on c…
An 8 GEV Linac As The Booster Replacement In The Fermilab Power Upgrade
D. Neuffer, S. Belomestnykh, M. Checchin +7
Increasing the Fermilab Main Injector (MI) beam power above ~1.2 MW requires replacement of the 8 GeV Booster by a higher intensity alternative. Earlier, rapid-cycling synchrotron…
Key directions for research and development of superconducting radio frequency cavities
S. Belomestnykh, S. Posen, D. Bafia +53
Radio frequency superconductivity is a cornerstone technology for many future HEP particle accelerators and experiments from colliders to proton drivers for neutrino facilities to…
Higgs-Energy LEptoN (HELEN) Collider based on advanced superconducting radio frequency technology
S. Belomestnykh, P. C. Bhat, A. Grassellino +15
This Snowmass 2021 contributed paper discusses a Higgs-Energy LEptoN (HELEN) linear collider based on advances superconducting radio frequency technology. The proposed col…
The International Linear Collider: Report to Snowmass 2021
Alexander Aryshev, Ties Behnke, Mikael Berggren +508
The International Linear Collider (ILC) is on the table now as a new global energy-frontier accelerator laboratory taking data in the 2030s. The ILC addresses key questions for our…
An 8 GeV Linac as the Booster Replacement in the Fermilab Power Upgrade: a Snowmass 2021 White Paper
S. Belomestnykh, M. Checchin, D. Johnson +8
Following the PIP-II 800 MeV Linac, Fermilab will need an accelerator that extends from that linac to the MI injection energy of ~8 GeV, completing the modernization of the Fermila…
ILC Upgrades to 3 TeV
Hasan Padamsee
We consider several ILC energy upgrade paths beyond 1 TeV depending on the needs of high energy physics. Parameters for four scenarios will be pre-sented and challenges discussed.…
Optimization of a traveling wave superconducting radiofrequency cavity for upgrading the International Linear Collider
V. Shemelin, H. Padamsee, V. Yakovlev
The Standing Wave (SW) TESLA niobium-based superconducting radio frequency structure is limited to an accelerating gradient of about 50 MV/m by the critical RF magnetic field. To b…
History of gradient advances in SRF
Hasan Padamsee
Radio frequency (RF) superconductivity has become a key technology for many modern particle accelerators. One of its most salient features of this technology is the ability of supe…
Impact of high Q on ILC250 upgrade for record luminosities and path toward ILC380
H. Padamsee, A. Grassellino, S. Belomestnykh +1
In this paper, we address the possibility of upgrading the ILC250 luminosity to , so that with the polarization feature, the effective luminosity will be $2.0 \…
A temperature-mapping system for multi-cell SRF accelerating cavities
M. Ge, G. Hoffstaetter, F. Furuta +6
A Temperature mapping (T-map) system for Superconducting Radio Frequency (SRF) cavities consists of a thermometer array positioned precisely on an exterior cavity wall, capable of…
Design Topics for Superconducting RF Cavities and Ancillaries
H Padamsee
RF superconductivity has become a major subfield of accelerator science. There has been an explosion in the number of accelerator applications and in the number of laboratories eng…
Extracting superconducting parameters from surface resistivity by using inside temperatures of SRF cavities
M. Ge, G. Hoffstaetter, H. Padamsee +1
The surface resistance of an RF superconductor depends on the surface temperature, the residual resistance and various superconductor parameters, e.g. the energy gap, and the elect…
Recent Progress in Neutrino Factory and Muon Collider Research within the Muon Collaboration
M. M. Alsharo'a
We describe the status of our effort to realize a first neutrino factory and the progress made in understanding the problems associated with the collection and cooling of muons tow…
First Observation of Self-Amplified Spontaneous Emission in a Free-Electron Laser at 109 nm Wavelength
J. Andruszkow
We present the first observation of Self-Amplified Spontaneous Emission (SASE) in a free-electron laser (FEL) in the Vacuum Ultraviolet regime at 109 nm wavelength (11 eV). The obs…
The Superconducting TESLA Cavities
B. Aune
The conceptional design of the proposed linear electron-positron collider TESLA is based on 9-cell 1.3 GHz superconducting niobium cavities with an accelerating gradient of Eacc >=…