本文整理汇总了Python中Constants.gcc方法的典型用法代码示例。如果您正苦于以下问题:Python Constants.gcc方法的具体用法?Python Constants.gcc怎么用?Python Constants.gcc使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Constants
的用法示例。
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示例1: Fixlowenergy
# 需要导入模块: import Constants [as 别名]
# 或者: from Constants import gcc [as 别名]
def Fixlowenergy(lop): # If gluon has too small an energy that it cannot be fed into PyLund after decaying, its absorbed into its neighbours.
maxqmass = 0.6 # mass of the ud diquark pair WAS
no_parts = len(lop)
finished = False
while True:
if finished == True:
#print "final number of particles", len(lop)
return lop
break
no_parts = len(lop)
#rint no_parts, "number particles"
# go over the list. combine the low energy gluons absorbed into their neighbours.
for i in range(no_parts):
#print i, "i nubmer"
if lop[i].Checkgluon() == True:
vec_g = copy.deepcopy(lop[i].Getvector4D())
vecleft = copy.deepcopy(lop[i-1].Getvector4D())
vecright = copy.deepcopy(lop[i+1].Getvector4D())
testleft = numpy.sqrt((vec_g + vecleft) * (vec_g + vecleft)) # invariant mass of the gluon and the partner on the left
testright = numpy.sqrt((vec_g + vecright) * (vec_g + vecright)) # invariant mass of the gluon and the partner on the right
Eg = vec_g.Getvector()[0]
x = Constants.gmm() * maxqmass / Eg
#print testleft, "testleft"
#print testright, "testright"
#print vec_g, "vec g into the code"
if 1 < x:
newgluons = Absorbgluons(lop[i-1],lop[i],lop[i+1])
lop[i-1] = newgluons[0]
lop[i+1] = newgluons[1]
lop.pop(i) # remove the quark from the list. then need to go back to start of while to get the newest len (as it has changed)
#print "list popped, check if we go back to start"
break
if testleft < (Constants.gcc()*maxqmass): # inv mass with left too small. GEt absorbed into neighbours
newgluons = Absorbgluons(lop[i-1],lop[i],lop[i+1])
lop[i-1] = newgluons[0]
lop[i+1] = newgluons[1]
lop.pop(i) # remove the quark from the list. then need to go back to start of while to get the newest len (as it has changed)
#print "list popped, check if we go back to start"
break
if testright < (Constants.gcc()*maxqmass): # inv mass with the right too small. Get absorbed into neighbours
newgluons = Absorbgluons(lop[i-1],lop[i],lop[i+1])
lop[i-1] = newgluons[0]
lop[i+1] = newgluons[1]
lop.pop(i) # remove the quark from the list. then need to go back to start of while to get the newest len (as it has changed)
#print "list popped, check if we go back to start"
break
else: # inv mass with neightbours is high enough. move to next gluon.
pass
# get to this point once finished the lot?
if i == (no_parts-1):
finished = True