Zobrazeno 1 - 10
of 243
pro vyhledávání: '"J. Kewisch"'
Publikováno v:
Physical Review Accelerators and Beams, Vol 27, Iss 7, p 071002 (2024)
RHIC nine-magnet spin flipper has been operated successfully during RHIC polarized proton Run 17, with 97% spin flip efficiency achieved. The results show the importance of mirror resonance removal, small spin tune spread, and proper spin flipper dri
Externí odkaz:
https://doaj.org/article/b34d917a18c24e1bb265e8458fa00793
Publikováno v:
Physical Review Accelerators and Beams, Vol 24, Iss 4, p 043501 (2021)
An electron-ion collider (EIC) at Brookhaven National Laboratory is being proposed as a new discovery machine for the nuclear physics and quantum chromodynamics. The hadron beam cooling plays an important role in the EIC machine to achieve its physic
Externí odkaz:
https://doaj.org/article/3149f2ce1e6c4927ab66af5a18afc5d8
Autor:
S. Seletskiy, M. Blaskiewicz, A. Drees, A. Fedotov, W. Fischer, X. Gu, R. Hulsart, D. Kayran, J. Kewisch, C. Liu, M. Minty, V. Ptitsyn, V. Schoefer, A. Sukhanov, P. Thieberger, H. Zhao
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 11, p 110101 (2020)
The first electron cooling with rf-accelerated electron bunches was recently demonstrated at the low energy RHIC electron cooler (LEReC) at BNL. Successful cooling requires that the electrons in the cooling section have a small angular spread and are
Externí odkaz:
https://doaj.org/article/21851b6ee52d4d3588780957206fad72
Autor:
H. Zhao, M. Blaskiewicz, A. V. Fedotov, W. Fischer, X. Gu, D. Kayran, J. Kewisch, C. Liu, S. Seletskiy, V. Schoefer, P. Thieberger
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 7, p 074201 (2020)
The Low Energy Relativistic Heavy Ion Collider (RHIC) Electron Cooler (LEReC) is the world’s first electron cooler using rf-accelerated electron bunches. Recently, the cooling of gold ion beams in RHIC by 1.6 and 2.0 MeV electrons was successfully
Externí odkaz:
https://doaj.org/article/550d84ce0bd64e82a933f821992cdc82
Autor:
D. Kayran, Z. Altinbas, D. Bruno, M. R. Costanzo, A. Drees, A. V. Fedotov, W. Fischer, M. Gaowei, D. M. Gassner, X. Gu, R. Hulsart, P. Inacker, J. Jamilkowski, Y. Jing, P. Kankiya, J. Kewisch, C. Liu, J. Ma, K. Mernick, T. A. Miller, M. Minty, L. K. Nguyen, M. Paniccia, I. Pinayev, V. Ptitsyn, V. Schoefer, S. Seletskiy, F. Severino, T. C. Shrey, L. Smart, K. S. Smith, A. Sukhanov, P. Thieberger, J. Tuozzolo, E. Wang, G. Wang, W. Xu, A. Zaltsman, He Zhao, Zhi Zhao
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 2, p 021003 (2020)
A high-current high-brightness electron accelerator for low-energy RHIC electron cooling (LEReC) was successfully commissioned at Brookhaven National Laboratory. The LEReC accelerator includes a dc photoemission gun, a laser system, a photocathode de
Externí odkaz:
https://doaj.org/article/e1d89ce61bfb4fd4acf9eaa8d9a75529
Autor:
X. Gu, Z. Altinbas, S. Badea, D. Bruno, L. Cannizzo, M. Costanzo, A. Drees, A. V. Fedotov, W. Fischer, D. Gassner, M. Gaowei, P. Inacker, J. Jamilkowski, D. Kayran, J. Kewisch, C. J. Liaw, C. Liu, M. Mapes, K. Mernick, C. Mi, T. A. Miller, M. Minty, L. Nguyen, V. Ptitsyn, J. Sandberg, V. Schoefer, S. Seletskiy, L. Smart, A. Sukhanov, P. Thieberger, J. Tuozzolo, E. Wang, A. Zaltsman, He Zhao, Zhi Zhao, A. Bartnik, K. Smolenski
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 1, p 013401 (2020)
The Low Energy RHIC electron Cooling (LEReC) project at Brookhaven National Laboratory recently demonstrated for the first time cooling of hadron bunches with radio-frequency (rf) accelerated electron bunches. LEReC uses a high-voltage photoemission
Externí odkaz:
https://doaj.org/article/3adc4e80e754483492d0c917f417ad4c
Autor:
S. Seletskiy, M. Blaskiewicz, A. Drees, A. Fedotov, W. Fischer, D. M. Gassner, X. Gu, R. Hulsart, D. Kayran, J. Kewisch, C. Liu, K. Mernick, R. Michnoff, T. Miller, M. Minty, G. Robert-Demolaize, V. Schoefer, H. Song, P. Thieberger, P. Wanderer
Publikováno v:
Physical Review Accelerators and Beams, Vol 22, Iss 11, p 111004 (2019)
The world’s first electron cooling based on the rf acceleration of electron bunches was experimentally demonstrated at the Low Energy RHIC Electron Cooler (LEReC) at Brookhaven National Laboratory. The critical step in obtaining cooling of the Au i
Externí odkaz:
https://doaj.org/article/39918c27044d42b19912eb4e8cc1f1ba
Publikováno v:
Physical Review Accelerators and Beams, Vol 22, Iss 6, p 061002 (2019)
The spin structure of the proton is one of the unsolved problems in physics. The Relativistic Heavy Ion Collider (RHIC) Spin Physics Program has been conducting research to investigate the spin structure by colliding high energy polarized proton beam
Externí odkaz:
https://doaj.org/article/f22044db82c14d799afc095ac12e22ed
Autor:
H. Hahn, I. Ben-Zvi, R. Calaga, L. Hammons, E. C. Johnson, J. Kewisch, V. N. Litvinenko, Wencan Xu
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 13, Iss 12, p 121002 (2010)
Several future accelerator projects at Brookhaven for the Relativistic Heavy Ion Collider (RHIC) are based on energy recovery linacs (ERLs) with high-charge high-current electron beams. Their stable operation mandates effective higher-order-mode (HOM
Externí odkaz:
https://doaj.org/article/0bea639e174e4363bd77e0abb4dd5062
Autor:
C. Montag, J. Kewisch
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 7, Iss 1, p 011001 (2004)
When accelerating gold ions in the Relativistic Heavy Ion Collider (RHIC) the transition energy must be crossed. For this purpose, RHIC uses a set of correction quadrupoles and special power supplies which can reverse polarity in less than 40 ms. The
Externí odkaz:
https://doaj.org/article/2a23c92e631a4290ba7958454783959d