use only wignerd_doublearg_sign in amplitude

mmikhasenko · mmikhasenko · commit 2d5b13f439f5 · 2023-11-14T10:45:43.000+01:00
diff --git a/src/decay_channel.jl b/src/decay_channel.jl
@@ -158,7 +158,7 @@ function amplitude(dc::DecayChain, &sigma;s, two_&lambda;s; ref&zeta;s=(1, 2, 3, 1))
             wignerd_doublearg_sign(two_js[4], two_&lambda;s[4], two_&lambda;s&prime;[4], cos&zeta;0, ispositive(w0)) *
             # 
             amplitude(HRk, two_&lambda;s&prime;[4] + two_&lambda;s&prime;[k], two_&lambda;s&prime;[k]) * phase(two_js[k] - two_&lambda;s&prime;[k]) * # particle-2 convention
-            sqrt(two_s * T1 + 1) * wignerd_doublearg(two_s, two_&lambda;s&prime;[4] + two_&lambda;s&prime;[k], two_&lambda;s&prime;[i] - two_&lambda;s&prime;[j], cos&theta;) *
+            sqrt(two_s * T1 + 1) * wignerd_doublearg_sign(two_s, two_&lambda;s&prime;[4] + two_&lambda;s&prime;[k], two_&lambda;s&prime;[i] - two_&lambda;s&prime;[j], cos&theta;, true) *
             amplitude(Hij, two_&lambda;s&prime;[i], two_&lambda;s&prime;[j]) * phase(two_js[j] - two_&lambda;s&prime;[j]) * # particle-2 convention
             # 
             wignerd_doublearg_sign(two_js[i], two_&lambda;s&prime;[i], two_&lambda;s[i], cos&zeta;i, ispositive(wi)) *

Original file line number	Diff line number	Diff line change
`@@ -158,7 +158,7 @@ function amplitude(dc::DecayChain, σs, two_λs; refζs=(1, 2, 3, 1))`
`158`	`158`	`wignerd_doublearg_sign(two_js[4], two_λs[4], two_λs′[4], cosζ0, ispositive(w0)) *`
`159`	`159`	`#`
`160`	`160`	`amplitude(HRk, two_λs′[4] + two_λs′[k], two_λs′[k]) * phase(two_js[k] - two_λs′[k]) * # particle-2 convention`
`161`		`- sqrt(two_s * T1 + 1) * wignerd_doublearg(two_s, two_λs′[4] + two_λs′[k], two_λs′[i] - two_λs′[j], cosθ) *`
	`161`	`+ sqrt(two_s * T1 + 1) * wignerd_doublearg_sign(two_s, two_λs′[4] + two_λs′[k], two_λs′[i] - two_λs′[j], cosθ, true) *`
`162`	`162`	`amplitude(Hij, two_λs′[i], two_λs′[j]) * phase(two_js[j] - two_λs′[j]) * # particle-2 convention`
`163`	`163`	`#`
`164`	`164`	`wignerd_doublearg_sign(two_js[i], two_λs′[i], two_λs[i], cosζi, ispositive(wi)) *`