class DISTRO(object):
def __init__(self, root="./"):
self.PDF = CT10(root + "PDF")
self.FF = FragFuncs(root + "FF/tables/PILO.TAB")
self.flavmap = {"u": 1, "ub": -1, "d": 2, "db": -2, "g": 0}
def get_PDF(self, flav, x, Q):
return self.PDF.get_pdf(self.flavmap[flav], x, Q)
def get_FF(self, flav, x, Q):
return self.FF.get_FF(x, Q ** 2, flav, +1)
class DISTRO(object):
def __init__(self,root='./'):
self.PDF=CT10(root+'PDF')
self.FF=FragFuncs(root+'FF/tables/PILO.TAB')
self.flavmap={'u':1,'ub':-1,'d':2,'db':-2,'g':0}
def get_PDF(self,flav,x,Q):
return self.PDF.get_pdf(self.flavmap[flav],x,Q)
def get_FF(self,flav,x,Q):
return self.FF.get_FF(x,Q**2,flav,+1)
def test_SIDIS_FO():
CPDF = Cteq6PDF('./')
CFF = FragFuncs('FF/tables/PILO.TAB')
Q2 = 15.0
z = 0.5
x = 0.15
s = 300.0
y = Q2 / x / s
qT = 2.0
charge = 1
muR2 = Q2
muF2 = Q2
sidis = SIDIS_FO(CPDF, CFF)
#print sidis.get_FO(x,y,z,Q2,qT**2,muR2,muF2,charge,method='quad')
#print sidis.get_FO(x,y,z,Q2,qT**2,muR2,muF2,charge,method='gauss')
for i in range(1000):
print sidis.get_FO(x, y, z, Q2, qT**2, muR2, muF2, charge)
def test_SIDIS_ASY():
CPDF = Cteq6PDF('./')
CFF = FragFuncs('FF/tables/PILO.TAB')
Q2 = 2.0
z = 0.5
x = 0.005
s = 300.0
y = Q2 / x / s
charge = 0
muR2 = Q2
muF2 = Q2
qTs = np.linspace(0.1, 1.4, 40)
sidis = SIDIS_ASY(CPDF, CFF)
#print sidis.get_ASY(x,y,z,Q2,qT**2,muR2,muF2,charge,method='quad')
#print sidis.get_ASY(x,y,z,Q2,qT**2,muR2,muF2,charge,method='gauss')
#for i in range(1000): print i,sidis.get_ASY(x,y,z,Q2,qT**2,muR2,muF2,charge)
Y = [sidis.get_ASY(x, y, z, Q2, qT**2, muR2, muF2, charge) for qT in qTs]
py.plot(qTs, Y)
py.show()
def test_SIDIS_L():
#sidis=SIDIS()
CPDF = Cteq6PDF('./')
CFF = FragFuncs('FF/tables/PILO.TAB')
Q2 = 15.0
z = 0.5
x = 0.15
s = 300.0
y = Q2 / x / s
qT = 1.0
charge = 1
sidis = SIDIS_L(CPDF, CFF)
#print sidis.get_L_bT_space(0.5,0.7,0.3,2.0,2.0,+1)
def PDFNP(x, mu2, bT2):
arg = -0.25 * (0.19 * np.log(Q2 / (1.0))) * bT2
arg += -1.0 * ((0.013 * (1 - x)**3) / x) * bT2
return np.exp(arg)
def FFNP(z, mu2, bT2):
arg = -0.25 * (0.19 * np.log(Q2 / (1.0))) * bT2
arg += -(0.2) * bT2
return np.exp(arg)
sidis.TPDF.D['NP model'] = PDFNP
sidis.TFF.D['NP model'] = FFNP
#print sidis.get_L(x,y,z,Q2,qT,+1)
mu2 = Q2
zetaF = Q2
zetaD = Q2
bT2 = 2.0
print sidis.get_L_bT_space(x, y, z, mu2, zetaF, zetaD, bT2, charge)
return tgral * qT / (2 * np.pi)
def get_L_FFT(self, x, y, z, Q2, mu2, zetaF, zetaD, qT, charge):
D = self.D
L = lambda bT: self.get_L_bT_space(x, y, z, Q2, mu2, zetaF, zetaD, bT**
2, charge) / qT
f = lambda z: z * L(z / qT)
f = np.vectorize(f)
return D['hankel'].transform(f, ret_err=False)[0] / qT / (2 * np.pi)
if __name__ == "__main__":
#sidis=SIDIS()
CPDF = Cteq6PDF('./')
CFF = FragFuncs('FF/tables/PILO.TAB')
Q2 = 15.0
z = 0.5
x = 0.15
s = 300.0
y = Q2 / x / s
qT = 1.0
charge = 1
sidis = SIDIS(CPDF, CFF)
#print sidis.get_L_bT_space(0.5,0.7,0.3,2.0,2.0,+1)
def PDFNP(x, mu2, bT2):
def __init__(self,root='./'):
self.PDF=CT10(root+'PDF')
self.FF=FragFuncs(root+'FF/tables/PILO.TAB')
self.flavmap={'u':1,'ub':-1,'d':2,'db':-2,'g':0}
def __init__(self, root="./"):
self.PDF = CT10(root + "PDF")
self.FF = FragFuncs(root + "FF/tables/PILO.TAB")
self.flavmap = {"u": 1, "ub": -1, "d": 2, "db": -2, "g": 0}
