存储环中自旋调谐连续测定的新方法及其对精密实验的意义
加速器物理
2017-03-22 v2 核实验
摘要
描述并测试了一种确定自旋调谐的新方法。在理想平面磁环中，自旋调谐——定义为每圈自旋进动次数——由 给出（γ 为洛伦兹因子，G 为磁异常）。对于在冷却同步加速器 COSY 中以约 120 kHz 频率相干进动的 970 MeV/c 氘核，自旋调谐由氘核-碳散射的上下不对称性推得。在 2.6 s 的时间间隔内，自旋调谐以确定至 量级的精度测得；而对于连续的 100 s 加速器周期，精度达 。这使得所呈方法成为加速器物理的新精密工具：高精度控制粒子自旋运动是必需的，尤其在存储环中测量带电粒子电偶极矩时。
引用
@article{arxiv.1504.00635,
title = {New method for a continuous determination of the spin tune in storage rings and implications for precision experiments},
author = {D. Eversmann and V. Hejny and F. Hinder and A. Kacharava and J. Pretz and F. Rathmann and M. Rosenthal and F. Trinkel and S. Andrianov and W. Augustyniak and Z. Bagdasarian and M. Bai and W. Bernreuther and S. Bertelli and M. Berz and J. Bsaisou and S. Chekmenev and D. Chiladze and G. Ciullo and M. Contalbrigo and J. de Vries and S. Dymov and R. Engels and F. M. Esser and O. Felden and M. Gaisser and R. Gebel and H. Glückler and F. Goldenbaum and K. Grigoryev and D. Grzonka and G. Guidoboni and C. Hanhart and D. Heberling and N. Hempelmann and J. Hetzel and R. Hipple and D. Hölscher and A. Ivanov and V. Kamerdzhiev and B. Kamys and I. Keshelashvili and A. Khoukaz and I. Koop and H-J. Krause and S. Krewald and A. Kulikov and A. Lehrach and P. Lenisa and N. Lomidze and B. Lorentz and P. Maanen and G. Macharashvili and A. Magiera and R. Maier and K. Makino and B. Marianski and D. Mchedlishvili and Ulf-G. Meißner and S. Mey and A. Nass and G. Natour and N. Nikolaev and M. Nioradze and A. Nogga and K. Nowakowski and A. Pesce and D. Prasuhn and J. Ritman and Z. Rudy and A. Saleev and Y. Semertzidis and Y. Senichev and V. Shmakova and A. Silenko and J. Slim and H. Soltner and A. Stahl and R. Stassen and M. Statera and E. Stephenson and H. Stockhorst and H. Straatmann and H. Ströher and M. Tabidze and R. Talman and P. Thörngren Engblom and A. Trzcinski and Yu. Uzikov and Yu. Valdau and E. Valetov and A. Vassiliev and C. Weidemann and C. Wilkin and A. Wirzba and A. Wronska and P. Wüstner and M. Zakrzewska and E. Zaplatin and P. Zupranski and D. Zyuzin},
journal= {arXiv preprint arXiv:1504.00635},
year = {2017}
}
备注
6 pages, 6 figures