Massless correlators of vector, scalar and tensor currents in position space at orders αs3 and αs4: Explicit analytical results

Massless correlators of vector, scalar and tensor currents in position space at orders αs3 and αs4: Explicit analytical results
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位置空间中阶次 αs3 和 αs4 的矢量、标量和张量电流的无质量相关器:显式分析结果

DOI:
10.1016/j.nuclphysb.2010.11.007
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发表时间:
2010
期刊:
Nuclear Physics
影响因子:
--
通讯作者:
A. Maier
A. Maier
中科院分区:
--
文献类型:
--
作者:
K. Chetyrkin;A. Maier

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我们提出的分析结果,在动量和位置空间的矢量和标量电流的顺序{alpha}{sub s}{sup 4},以及张量电流的顺序{alpha}{sub s}{sup 3}的无质量矢量。详细地讨论了双折射子的演化方程以及所有相关的反常维数。作为一个应用程序,我们提出了明确的转换公式MS-酒吧重整化矢量,标量和张量电流的对应物重整化的X-空间重整化方案更适合于晶格计算。
We present analytical results both in momentum and position space for the massless correlators of the vector and scalar currents to order {alpha}{sub s}{sup 4} as well as for the tensor currents to order {alpha}{sub s}{sup 3}. The evolution equations for the correlators together with all relevant anomalous dimensions are discussed in detail. As an application we present explicit conversion formulas relating the MS-bar-renormalized vector, scalar and tensor currents to their counterparts renormalized in the X-space renormalization scheme more appropriate for lattice calculations.
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影响因子: --
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DOI: 10.1016/j.cpc.2010.04.009
发表时间: 2010
期刊: Comput. Phys. Commun.
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影响因子: 8.6
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