Search Results - "Kewisch, J"

Ring-based electron cooler for high energy beam cooling by Zhao, H., Kewisch, J., Blaskiewicz, M., Fedotov, A.

“…An electron-ion collider (EIC) at Brookhaven National Laboratory is being proposed as a new discovery machine for the nuclear physics and quantum…”
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Experimental Demonstration of Hadron Beam Cooling Using Radio-Frequency Accelerated Electron Bunches by 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

“…Cooling of beams of gold ions using electron bunches accelerated with radio-frequency systems was recently experimentally demonstrated in the Relativistic…”
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High Spin-Flip Efficiency at 255 GeV for Polarized Protons in a Ring With Two Full Siberian Snakes by Huang, H, Kewisch, J, Liu, C, Marusic, A, Meng, W, Méot, F, Oddo, P, Ptitsyn, V, Ranjbar, V, Roser, T

“…In polarized proton collision experiments, it is highly advantageous to flip the spin of each bunch of protons during the stores to reduce the systematic…”
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Numerical simulation of RHIC polarized proton run 17 spin flipper experiments by Méot, F., Adams, P., Huang, H., Kewisch, J., Oddo, P., Roser, T.

“…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…”
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Measurement of the Spin Tune Using the Coherent Spin Motion of Polarized Protons in a Storage Ring by Huang, H, Kewisch, J, Liu, C, Marusic, A, Meng, W, Méot, F, Oddo, P, Ptitsyn, V, Ranjbar, V, Roser, T, Schmidke, W B

“…This Letter reports the first spin tune measurement at high energies (24 and 255 GeV) with a driven coherent spin motion. To maintain polarization in a…”
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Minimization of spin tune spread for preservation of spin polarization at RHIC by Liu, C., Kewisch, J., Huang, H., Minty, M.

“…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…”
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Cooling simulation and experimental benchmarking for an rf-based electron cooler by Zhao, H., Blaskiewicz, M., Fedotov, A. V., Fischer, W., Gu, X., Kayran, D., Kewisch, J., Liu, C., Seletskiy, S., Schoefer, V., Thieberger, P.

“…The Low Energy Relativistic Heavy Ion Collider (RHIC) Electron Cooler (LEReC) is the world’s first electron cooler using rf-accelerated electron bunches…”
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Obtaining transverse cooling with nonmagnetized electron beam by Seletskiy, S., Blaskiewicz, M., Drees, A., Fedotov, A., Fischer, W., Gu, X., Hulsart, R., Kayran, D., Kewisch, J., Liu, C., Minty, M., Ptitsyn, V., Schoefer, V., Sukhanov, A., Thieberger, P., Zhao, H.

“…The first electron cooling with rf-accelerated electron bunches was recently demonstrated at the low energy RHIC electron cooler (LEReC) at BNL. Successful…”
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Accurate setting of electron energy for demonstration of first hadron beam cooling with rf-accelerated electron bunches by Seletskiy, S., Blaskiewicz, M., Drees, A., Fedotov, A., Fischer, W., Gassner, D. M., Gu, X., Hulsart, R., Kayran, D., Kewisch, J., Liu, C., Mernick, K., Michnoff, R., Miller, T., Minty, M., Robert-Demolaize, G., Schoefer, V., Song, H., Thieberger, P., Wanderer, P.

“…The world’s first electron cooling based on the rf acceleration of electron bunches was experimentally demonstrated at the Low Energy RHIC Electron Cooler…”
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Stable operation of a high-voltage high-current dc photoemission gun for the bunched beam electron cooler in RHIC by Gu, X., Altinbas, Z., Badea, S., Bruno, D., Cannizzo, L., Costanzo, M., Drees, A., Fedotov, A. V., Fischer, W., Gassner, D., Gaowei, M., Inacker, P., Jamilkowski, J., Kayran, D., Kewisch, J., Liaw, C. J., Liu, C., Mapes, M., Mernick, K., Mi, C., Miller, T. A., Minty, M., Nguyen, L., Ptitsyn, V., Sandberg, J., Schoefer, V., Seletskiy, S., Smart, L., Sukhanov, A., Thieberger, P., Tuozzolo, J., Wang, E., Zaltsman, A., Zhao, He, Zhao, Zhi, Bartnik, A., Smolenski, K.

“…The Low Energy RHIC electron Cooling (LEReC) project at Brookhaven National Laboratory recently demonstrated for the first time cooling of hadron bunches with…”
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High-brightness electron beams for linac-based bunched beam electron cooling by Kayran, D., Altinbas, Z., Bruno, D., Costanzo, M. R., Drees, A., Fedotov, A. V., Fischer, W., Gaowei, M., Gassner, D. M., Gu, X., Hulsart, R., Inacker, P., Jamilkowski, J., Jing, Y., Kankiya, P., Kewisch, J., Liu, C., Ma, J., Mernick, K., Miller, T. A., Minty, M., Nguyen, L. K., Paniccia, M., Pinayev, I., Ptitsyn, V., Schoefer, V., Seletskiy, S., Severino, F., Shrey, T. C., Smart, L., Smith, K. S., Sukhanov, A., Thieberger, P., Tuozzolo, J., Wang, E., Wang, G., Xu, W., Zaltsman, A., Zhao, He, Zhao, Zhi

“…A high-current high-brightness electron accelerator for low-energy RHIC electron cooling (LEReC) was successfully commissioned at Brookhaven National…”
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Higher-order-mode absorbers for energy recovery linac cryomodules at Brookhaven National Laboratory by Hahn, H., Ben-Zvi, I., Calaga, R., Hammons, L., Johnson, E. C., Kewisch, J., Litvinenko, V. N., Xu, Wencan

“…Several future accelerator projects at Brookhaven for the Relativistic Heavy Ion Collider (RHIC) are based on energy recovery linacs (ERLs) with high-charge…”
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Polarized proton collisions at 205 GeV at RHIC by Bai, M, Roser, T, Ahrens, L, Alekseev, I G, Alessi, J, Beebe-Wang, J, Blaskiewicz, M, Bravar, A, Brennan, J M, Bruno, D, Bunce, G, Courant, E, Drees, A, Fischer, W, Gardner, C, Gill, R, Glenn, J, Haeberli, W, Huang, H, Jinnouchi, O, Kewisch, J, Luccio, A, Luo, Y, Nakagawa, I, Okada, H, Pilat, F, Mackay, W W, Makdisi, Y, Montag, C, Ptitsyn, V, Satogata, T, Stephenson, E, Svirida, D, Tepikian, S, Trbojevic, D, Tsoupas, N, Wise, T, Zelenski, A, Zeno, K, Zhang, S Y

“…The Brookhaven Relativistic Heavy Ion Collider (RHIC) has been providing collisions of polarized protons at a beam energy of 100 GeV since 2001. Equipped with…”
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The RHIC design overview by Hahn, H., Forsyth, E., Foelsche, H., Harrison, M., Kewisch, J., Parzen, G., Peggs, S., Raka, E., Ruggiero, A., Stevens, A., Tepikian, S., Thieberger, P., Trbojevic, D., Wei, J., Willen, E., Ozaki, S., Lee, S.Y.

“…The salient performance objectives for the Relativistic Heavy Ion Collider (RHIC) are presented and the rationale for the design choices of the major collider…”
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Commissioning of a first-order matched transition jump at the Brookhaven Relativistic Heavy Ion Collider by Montag, C., Kewisch, J.

“…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…”
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Ampere class linacs: Status report on the BNL cryomodule by Calaga, R., Ben-Zvi, I., Brennan, J., Bowmann, R., Burrill, A., Chang, X., Cameron, P., Citver, G., Gassner, D., Hahn, H., Harrison, M., Hershcovitch, A., Jain, A., Litvinenko, V., McIntyre, G., Montag, C., Nicoletti, A., Kayran, D., Fedotov, A., Kewisch, J., Mackay, W., Pate, D., Peggs, S., Rank, J., Roser, T., Scaduto, J., Rao, T., Trbojevic, D., Zaltsman, A., Wu, K.C., Zhao, Y., Bluem, H., Burger, A., Cole, M., Favale, A., Holmes, D., Rathke, J., Schultheiss, T., Todd, A.

“…A five-cell high current superconducting cavity for the electron cooling project at RHIC has been designed. The 703.75 MHz cavity and cryomodule is under…”
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Optical design of the rapid cycling medical synchrotron by Cardona, J., Peggs, S., Kewisch, J.

“…The optical design of the rapid cycling medical synchrotron (RCMS) is based on the strong focusing principle. Several advantages arise from this choice of…”
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Overcoming a fast transverse instability by means of octupole-induced tune spread in the Relativistic Heavy Ion Collider by Montag, C., Kewisch, J., Trbojevic, D., Schmidt, F.

“…During the Relativistic Heavy Ion Collider commissioning in 2001 a fast transverse instability was observed on the ramp. In general this could be counteracted…”
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Accelerator physics issues in eRHIC by Ben-Zvi, I, Kewisch, J, Murphy, J, Peggs, S

“…The accelerator physics issues associated with adding electron–gold and polarized electron–proton collisions to the RHIC repertoire are discussed. Two…”
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Optic issues in ongoing ERL projects by Smith, S.L., Muratori, B.D., Owen, H.L., Hoffstaetter, G.H., Litvinenko, V.N., Ben-Zvi, I., Bai, M., Beebe-Wang, J., Blaskiewicz, M., Calaga, R., Fischer, W., Chang, X.Y., Kayran, D., Kewisch, J., MacKay, W.W., Montag, C., Parker, B., Ptitsyn, V., Roser, T., Ruggiero, A., Satogata, T., Surrow, B., Tepikian, S., Trbojevic, D., Yakimenko, V., Zhang, S.Y., Piot, Ph

“…A wide range of optics issues for energy recovery linac (ERL)-based projects are illustrated through the presentation of ongoing projects covering both light…”
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