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Title: Experimental Demonstration of Hadron Beam Cooling Using Radio-Frequency Accelerated Electron Bunches

Abstract

Cooling of beams of gold ions using electron bunches accelerated with radio-frequency systems was recently experimentally demonstrated in the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. Such an approach is new and opens the possibility of using this technique at higher energies than possible with electrostatic acceleration of electron beams. The challenges of this approach include generation of electron beams suitable for cooling, delivery of electron bunches of the required quality to the cooling sections without degradation of beam angular divergence and energy spread, achieving the required small angles between electron and ion trajectories in the cooling sections, precise velocity matching between the two beams, high-current operation of the electron accelerator, as well as several physics effects related to bunched-beam cooling. Here we report on the first demonstration of cooling hadron beams using this new approach.

Authors:
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  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1602464
Alternate Identifier(s):
OSTI ID: 1601696
Report Number(s):
[BNL-213661-2020-JAAM]
[Journal ID: ISSN 0031-9007; PRLTAO]
Grant/Contract Number:  
[SC0012704]
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
[ Journal Volume: 124; Journal Issue: 8]; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; beam cooling

Citation Formats

Fedotov, A. V., Altinbas, Z., Belomestnykh, S., Ben-Zvi, I., Blaskiewicz, M., Brennan, M., Bruno, D., Brutus, C., Costanzo, M., Drees, A., Fischer, W., Fite, J., Gaowei, M., Gassner, D., Gu, X., Halinski, J., Hamdi, K., Hammons, L., Harvey, M., Hayes, T., Hulsart, R., Inacker, P., Jamilkowski, J., Jing, Y., Kewisch, J., Kankiya, P., Kayran, D., Lehn, R., Liaw, C. J., Litvinenko, V., Liu, C., Ma, J., Mahler, G., Mapes, M., Marusic, A., Mernick, K., Mi, C., Michnoff, R., Miller, T., Minty, M., Narayan, G., Nayak, S., Nguyen, L., Paniccia, M., Pinayev, I., Polizzo, S., Ptitsyn, V., Rao, T., Robert-Demolaize, G., Roser, T., Sandberg, J., Schoefer, V., Schultheiss, C., Seletskiy, S., Severino, F., Shrey, T., Smart, L., Smith, K., Song, H., Sukhanov, A., Than, R., Thieberger, P., Trabocchi, S., Tuozzolo, J., Wanderer, P., Wang, E., Wang, G., Weiss, D., Xiao, B., Xin, T., Xu, W., Zaltsman, A., Zhao, H., and Zhao, Z. Experimental Demonstration of Hadron Beam Cooling Using Radio-Frequency Accelerated Electron Bunches. United States: N. p., 2020. Web. doi:10.1103/PhysRevLett.124.084801.
Fedotov, A. V., Altinbas, Z., Belomestnykh, S., Ben-Zvi, I., Blaskiewicz, M., Brennan, M., Bruno, D., Brutus, C., Costanzo, M., Drees, A., Fischer, W., Fite, J., Gaowei, M., Gassner, D., Gu, X., Halinski, J., Hamdi, K., Hammons, L., Harvey, M., Hayes, T., Hulsart, R., Inacker, P., Jamilkowski, J., Jing, Y., Kewisch, J., Kankiya, P., Kayran, D., Lehn, R., Liaw, C. J., Litvinenko, V., Liu, C., Ma, J., Mahler, G., Mapes, M., Marusic, A., Mernick, K., Mi, C., Michnoff, R., Miller, T., Minty, M., Narayan, G., Nayak, S., Nguyen, L., Paniccia, M., Pinayev, I., Polizzo, S., Ptitsyn, V., Rao, T., Robert-Demolaize, G., Roser, T., Sandberg, J., Schoefer, V., Schultheiss, C., Seletskiy, S., Severino, F., Shrey, T., Smart, L., Smith, K., Song, H., Sukhanov, A., Than, R., Thieberger, P., Trabocchi, S., Tuozzolo, J., Wanderer, P., Wang, E., Wang, G., Weiss, D., Xiao, B., Xin, T., Xu, W., Zaltsman, A., Zhao, H., & Zhao, Z. Experimental Demonstration of Hadron Beam Cooling Using Radio-Frequency Accelerated Electron Bunches. United States. doi:10.1103/PhysRevLett.124.084801.
Fedotov, A. V., Altinbas, Z., Belomestnykh, S., Ben-Zvi, I., Blaskiewicz, M., Brennan, M., Bruno, D., Brutus, C., Costanzo, M., Drees, A., Fischer, W., Fite, J., Gaowei, M., Gassner, D., Gu, X., Halinski, J., Hamdi, K., Hammons, L., Harvey, M., Hayes, T., Hulsart, R., Inacker, P., Jamilkowski, J., Jing, Y., Kewisch, J., Kankiya, P., Kayran, D., Lehn, R., Liaw, C. J., Litvinenko, V., Liu, C., Ma, J., Mahler, G., Mapes, M., Marusic, A., Mernick, K., Mi, C., Michnoff, R., Miller, T., Minty, M., Narayan, G., Nayak, S., Nguyen, L., Paniccia, M., Pinayev, I., Polizzo, S., Ptitsyn, V., Rao, T., Robert-Demolaize, G., Roser, T., Sandberg, J., Schoefer, V., Schultheiss, C., Seletskiy, S., Severino, F., Shrey, T., Smart, L., Smith, K., Song, H., Sukhanov, A., Than, R., Thieberger, P., Trabocchi, S., Tuozzolo, J., Wanderer, P., Wang, E., Wang, G., Weiss, D., Xiao, B., Xin, T., Xu, W., Zaltsman, A., Zhao, H., and Zhao, Z. Mon . "Experimental Demonstration of Hadron Beam Cooling Using Radio-Frequency Accelerated Electron Bunches". United States. doi:10.1103/PhysRevLett.124.084801.
@article{osti_1602464,
title = {Experimental Demonstration of Hadron Beam Cooling Using Radio-Frequency Accelerated Electron Bunches},
author = {Fedotov, A. V. and Altinbas, Z. and Belomestnykh, S. and Ben-Zvi, I. and Blaskiewicz, M. and Brennan, M. and Bruno, D. and Brutus, C. and Costanzo, M. and Drees, A. and Fischer, W. and Fite, J. and Gaowei, M. and Gassner, D. and Gu, X. and Halinski, J. and Hamdi, K. and Hammons, L. and Harvey, M. and Hayes, T. and Hulsart, R. and Inacker, P. and Jamilkowski, J. and Jing, Y. and Kewisch, J. and Kankiya, P. and Kayran, D. and Lehn, R. and Liaw, C. J. and Litvinenko, V. and Liu, C. and Ma, J. and Mahler, G. and Mapes, M. and Marusic, A. and Mernick, K. and Mi, C. and Michnoff, R. and Miller, T. and Minty, M. and Narayan, G. and Nayak, S. and Nguyen, L. and Paniccia, M. and Pinayev, I. and Polizzo, S. and Ptitsyn, V. and Rao, T. and Robert-Demolaize, G. and Roser, T. and Sandberg, J. and Schoefer, V. and Schultheiss, C. and Seletskiy, S. and Severino, F. and Shrey, T. and Smart, L. and Smith, K. and Song, H. and Sukhanov, A. and Than, R. and Thieberger, P. and Trabocchi, S. and Tuozzolo, J. and Wanderer, P. and Wang, E. and Wang, G. and Weiss, D. and Xiao, B. and Xin, T. and Xu, W. and Zaltsman, A. and Zhao, H. and Zhao, Z.},
abstractNote = {Cooling of beams of gold ions using electron bunches accelerated with radio-frequency systems was recently experimentally demonstrated in the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. Such an approach is new and opens the possibility of using this technique at higher energies than possible with electrostatic acceleration of electron beams. The challenges of this approach include generation of electron beams suitable for cooling, delivery of electron bunches of the required quality to the cooling sections without degradation of beam angular divergence and energy spread, achieving the required small angles between electron and ion trajectories in the cooling sections, precise velocity matching between the two beams, high-current operation of the electron accelerator, as well as several physics effects related to bunched-beam cooling. Here we report on the first demonstration of cooling hadron beams using this new approach.},
doi = {10.1103/PhysRevLett.124.084801},
journal = {Physical Review Letters},
number = [8],
volume = [124],
place = {United States},
year = {2020},
month = {2}
}

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