The Classification of Two-Particle Spin States and Bell–CHSH Inequalities for Mixed States

2004 ◽  
Vol 20 (1-2) ◽  
pp. 157-160
Author(s):  
V.I. Man'ko ◽  
V.A. Andreev
1980 ◽  
Vol 95 (2) ◽  
pp. 171-174 ◽  
Author(s):  
P.W.M. Glaudemans ◽  
R. Vennink

2020 ◽  
Vol 2020 ◽  
pp. 1-15
Author(s):  
Daniele Marangotto

We present the general expression of helicity amplitudes for generic multibody particle decays characterised by multiple decay chains. This is achieved by addressing for the first time the issue of the matching of the final particle spin states among different decay chains in full generality for generic multibody decays, proposing a method able to match the exact definition of spin states relative to the decaying particle ones. We stress the importance of our result by showing that one of the matching methods used in the literature is incorrect, leading to amplitude models violating rotational invariance. The results presented are therefore relevant for performing numerous amplitude analyses, notably those searching for exotic structures like pentaquarks.


JETP Letters ◽  
2000 ◽  
Vol 72 (2) ◽  
pp. 93-96 ◽  
Author(s):  
V. A. Andreev ◽  
V. I. Man’ko

2011 ◽  
Vol 2 (1) ◽  
Author(s):  
B. Marquardt ◽  
M. Geller ◽  
B. Baxevanis ◽  
D. Pfannkuche ◽  
A. D. Wieck ◽  
...  

1998 ◽  
Vol 87 (2) ◽  
pp. 239-245 ◽  
Author(s):  
V. A. Andreev ◽  
V. I. Man’ko
Keyword(s):  

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