Variational Bounds in N-Particle Scattering Using the Faddeev–Yakubovskii Equations: Deuteron-Deuteron S=2 Scattering

2014 ◽  
Vol 55 (3) ◽  
pp. 171-190
Author(s):  
John F. Carew
2021 ◽  
Vol 321 ◽  
pp. 124460
Author(s):  
Jingbo Qu ◽  
Yong Sun ◽  
Yuyingnan Liu ◽  
Changyu Liu ◽  
Guoxiang Zheng ◽  
...  

2020 ◽  
Vol 2020 (12) ◽  
Author(s):  
D. Chicherin ◽  
V. Sotnikov

Abstract We complete the analytic calculation of the full set of two-loop Feynman integrals required for computation of massless five-particle scattering amplitudes. We employ the method of canonical differential equations to construct a minimal basis set of transcendental functions, pentagon functions, which is sufficient to express all planar and nonplanar massless five-point two-loop Feynman integrals in the whole physical phase space. We find analytic expressions for pentagon functions which are manifestly free of unphysical branch cuts. We present a public library for numerical evaluation of pentagon functions suitable for immediate phenomenological applications.


1971 ◽  
Vol 68 (2) ◽  
pp. 361-376 ◽  
Author(s):  
T.A Osborn ◽  
K.L Kowalski
Keyword(s):  

Physics ◽  
2014 ◽  
Vol 7 ◽  
Author(s):  
Lance Dixon
Keyword(s):  

1978 ◽  
Vol 21 (11-12) ◽  
pp. 1357-1360 ◽  
Author(s):  
Claus F. Klingshirn ◽  
Walter Maier ◽  
Bernd Hönerlage ◽  
Hartmut Haug ◽  
Stephan W. Koch

1997 ◽  
Vol 36 (33) ◽  
pp. 8521
Author(s):  
Hee-Jong Moon ◽  
Guang-Hoon Kim ◽  
Kwang-Hoon Ko ◽  
Jai-Hyung Lee ◽  
Joon-Sung Chang

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