Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Doran, Scott P."'
Autor:
Kim, Seongyeol, Piot, Philippe, Chen, Gonxiaohui, Doran, Scott, Liu, Wanming, Whiteford, Charles, Wisniewski, Eric, Power, John
Magnetized beams beam with significant canonical angular momentum are critical to electron cooling of hadron beams such as contemplated in next-generation hadron and electron-ion colliders. The transport of magnetized electron beams over long distanc
Externí odkaz:
http://arxiv.org/abs/2410.16827
Autor:
Kim, Seongyeol, Gonzalez-Aguilera, Juan Pablo, Piot, Philippe, Chen, Gongxiaohui, Doran, Scott, Kim, Young-Kee, Liu, Wanming, Whiteford, Charles, Wisniewski, Eric, Edelen, Auralee, Roussel, Ryan, Power, John
Beams with cross-plane coupling or extreme asymmetries between the two transverse phase spaces are often encountered in particle accelerators. Flat beams with large transverse-emittance ratios are critical for future linear colliders. Similarly, magn
Externí odkaz:
http://arxiv.org/abs/2402.18244
Autor:
Lynn, Walter, Xu, Tianzhe, Andonian, Gerard, Doran, Scott, Ha, Gwanghui, Majernik, Nathan, Piot, Philippe, Power, John, Rosenzweig, James, Whiteford, Charles, Wisniewski, Eric
Relativistic charged-particle beams which generate intense longitudinal fields in accelerating structures also inherently couple to transverse modes. The effects of this coupling may lead to beam break-up instability, and thus must be countered to pr
Externí odkaz:
http://arxiv.org/abs/2308.09137
Autor:
Albà, Arnau, Seok, Jimin, Adelmann, Andreas, Doran, Scott, Ha, Gwanghui, Lee, Soonhong, Piao, Yinghu, Power, John, Qian, Maofei, Wisniewski, Eric, Xu, Joseph, Zholents, Alexander
OPAL-FEL is a recently developed tool for the modeling of particle accelerators containing wigglers or undulators. It extends the well established 3D electrostatic particle-tracking code OPAL, by merging it with the finite-difference time-domain elec
Externí odkaz:
http://arxiv.org/abs/2112.02316
Autor:
Xu, Tianzhe, Doran, Scott, Liu, Wanming, Piot, Philippe, Power, John, Whiteford, Charles, Wisniewski, Eric
Phase-space partitioning offers an attractive path for the precise tailoring of complex dynamical systems. In Beam Physics, the proposed approach involves (i) producing beams with cross-plane correlations to control kinematical invariants known as ei
Externí odkaz:
http://arxiv.org/abs/2111.15549
Autor:
Zheng, Lianmin, Shao, Jiahang, Wisniewski, Eric E., Power, John G., Du, Yingchao, Liu, Wanming, Whiteford, Charles E., Conde, Manoel, Doran, Scott, Jing, Chunguang, Tang, Chuanxiang
Publikováno v:
Phys. Rev. Accel. Beams 23, 052801 (2020)
Thermal emittance and quantum efficiency (QE) are key figures of merit of photocathodes, and their uniformity is critical to high-performance photoinjectors. Several QE mapping technologies have been successfully developed; however, there is still a
Externí odkaz:
http://arxiv.org/abs/1906.08074
Autor:
Zheng, Lianmin, Shao, Jiahang, Du, Yingchao, Power, John G., Wisniewski, Eric E., Liu, Wanming, Whiteford, Charles E., Conde, Manoel, Doran, Scott, Jing, Chunguang, Tang, Chuanxiang, Gai, Wei
Publikováno v:
Phys. Rev. Accel. Beams 22, 072805 (2019)
The production of electron bunches with low transverse emittance approaches the thermal emittance of the photocathode as various aberrations are corrected. Recently, the coupled transverse dynamics aberration was theoretically identified as a signifi
Externí odkaz:
http://arxiv.org/abs/1902.05185
Autor:
Yu, Yang, Lai, Kueifu, Shao, Jiahang, Power, John, Conde, Manoel, Liu, Wanming, Doran, Scott, Jing, Chunguang, Wisniewski, Eric, Shvets, Gennady
Publikováno v:
Phys. Rev. Lett. 123, 057402 (2019)
We demonstrate, theoretically and experimentally, that a traveling electric charge passing from one photonic crystal into another generates edge waves -- electromagnetic modes with frequencies inside the common photonic bandgap localized at the inter
Externí odkaz:
http://arxiv.org/abs/1901.05640
Autor:
Zheng, Lianmin, Shao, Jiahang, Du, Yingchao, Power, John G., Wisniewski, Eric E., Liu, Wanming, Whiteford, Charles E., Conde, Manoel, Doran, Scott, Jing, Chunguang, Tang, Chuanxiang, Gai, Wei
Publikováno v:
Phys. Rev. Accel. Beams 21, 122803 (2018)
The solenoid scan is a widely used method for the in-situ measurement of the thermal emittance in a photocathode gun. The popularity of this method is due to its simplicity and convenience since all rf photocathode guns are equipped with an emittance
Externí odkaz:
http://arxiv.org/abs/1809.06319
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