利用弯曲硅晶体对超高能质子束进行高效体反射
High-efficiency volume reflection of an ultrarelativistic proton beam with a bent silicon crystal.
作者信息
Scandale Walter, Still Dean A, Carnera Alberto, Della Mea Gianantonio, De Salvador Davide, Milan Riccardo, Vomiero Alberto, Baricordi Stefano, Dalpiaz Pietro, Fiorini Massimiliano, Guidi Vincenzo, Martinelli Giuliano, Mazzolari Andrea, Milan Emiliano, Ambrosi Giovanni, Azzarello Philipp, Battiston Roberto, Bertucci Bruna, Burger William J, Ionica Maria, Zuccon Paolo, Cavoto Gianluca, Santacesaria Roberta, Valente Paolo, Vallazza Erik, Afonin Alexander G, Baranov Vladimir T, Chesnokov Yury A, Kotov Vladilen I, Maisheev Vladimir A, Yaznin Igor A, Afansiev Sergey V, Kovalenko Alexander D, Taratin Alexander M, Denisov Alexander S, Gavrikov Yury A, Ivanov Yuri M, Ivochkin Vladimir G, Kosyanenko Sergey V, Petrunin Anatoli A, Skorobogatov Vyacheslav V, Suvorov Vsevolod M, Bolognini Davide, Foggetta Luca, Hasan Said, Prest Michela
机构信息
CERN, European Organization for Nuclear Research, CH-1211 Geneva 23, Switzerland.
出版信息
Phys Rev Lett. 2007 Apr 13;98(15):154801. doi: 10.1103/PhysRevLett.98.154801. Epub 2007 Apr 9.
The volume reflection phenomenon was detected while investigating 400 GeV proton interactions with bent silicon crystals in the external beam H8 of the CERN Super Proton Synchrotron. Such a process was observed for a wide interval of crystal orientations relative to the beam axis, and its efficiency exceeds 95%, thereby surpassing any previously observed value. These observations suggest new perspectives for the manipulation of high-energy beams, e.g., for collimation and extraction in new-generation hadron colliders, such as the CERN Large Hadron Collider.
在欧洲核子研究组织（CERN）超级质子同步加速器的外束H8中，研究400 GeV质子与弯曲硅晶体的相互作用时，检测到了体积反射现象。在相对于束轴的晶体取向的很宽范围内都观察到了这样一个过程，其效率超过95%，从而超过了之前观测到的任何值。这些观测结果为高能束的操控提供了新的视角，例如，用于新一代强子对撞机（如CERN大型强子对撞机）的准直和引出。
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