High energy implementation of coil-target scheme for guided re-acceleration of laser-driven protons.
High energy implementation of coil-target scheme for guided re-acceleration of laser-driven protons.
复制标题
DOI：
10.1038/s41598-020-77997-w
复制
发表时间：
2021-01-12
影响因子：
4.6
通讯作者：
Kar S
中科院分区：
文献类型：
--
作者：
Ahmed H;Hadjisolomou P;Naughton K;Alejo A;Brauckmann S;Cantono G;Ferguson S;Cerchez M;Doria D;Green J;Gwynne D;Hodge T;Kumar D;Macchi A;Prasad R;Willi O;Borghesi M;Kar S
利用强激光开发紧凑型离子加速器是一个非常活跃的研究领域，其动机是在科学、工业和医疗保健方面具有强大的应用潜力。然而，在医学治疗以及核物理和粒子物理中提出的应用要求严格控制离子能量以及离子束的角度和光谱分布，而不是迄今探索的几种加速机制的内在限制。在这里，我们报道了用最近发展的基于螺旋线圈靶标的方法，产生了高准直(半角发散)、高电荷(10s的pc)和高达50 MeV的准单能质子束。在这个概念中，从激光照射的铝箔加速的离子被后加速，并在位于铝箔后面的螺旋结构中进行调节。通过2GeV/m的引导后加速，在不牺牲激光驱动质子束优良束流发射度的情况下，产生了铅笔形质子束。3D粒子跟踪模拟表明，在延长的螺旋线圈长度上可以保持高的加速度梯度，从而最大化这种微型加速模块的增益。
Developing compact ion accelerators using intense lasers is a very active area of research, motivated by a strong applicative potential in science, industry and healthcare. However, proposed applications in medical therapy, as well as in nuclear and particle physics demand a strict control of ion energy, as well as of the angular and spectral distribution of ion beam, beyond the intrinsic limitations of the several acceleration mechanisms explored so far. Here we report on the production of highly collimated ( half angle divergence), high-charge (10s of pC) and quasi-monoenergetic proton beams up to 50 MeV, using a recently developed method based on helical coil targetry. In this concept, ions accelerated from a laser-irradiated foil are post-accelerated and conditioned in a helical structure positioned at the rear of the foil. The pencil beam of protons was produced by guided post-acceleration at a rate of 2 GeV/m, without sacrificing the excellent beam emittance of the laser-driven proton beams. 3D particle tracing simulations indicate the possibility of sustaining high acceleration gradients over extended helical coil lengths, thus maximising the gain from such miniature accelerating modules.
登录
查看更多内容
影响因子：
4.6
作者：
Ahmed H;Kar S;Cantono G;Hadjisolomou P;Poye A;Gwynne D;Lewis CLS;Macchi A;Naughton K;Nersisyan G;Tikhonchuk V;Willi O;Borghesi M
通讯作者：
Borghesi M
DOI：
10.1103/physrevstab.16.101302
发表时间：
2013-10-17
影响因子：
--
作者：
Busold, S.;Schumacher, D.;Roth, M.
通讯作者：
Roth, M.
影响因子：
8.6
作者：
Kar, S.;Markey, K.;Zepf, M.
通讯作者：
Zepf, M.
影响因子：
8.6
作者：
Kar, S.;Markey, K.;Zepf, M.
通讯作者：
Zepf, M.
DOI：
10.1016/j.nima.2013.10.037
发表时间：
2014-03-11
影响因子：
1.4
作者：
Scuderi, V.;Jia, S. Bijan;Tramontana, A.
通讯作者：
Tramontana, A.