Higgs Pair Production at the LHC - Desy
Higgs Pair Production at the LHC - Desy
Higgs Pair Production at the LHC - Desy
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Drell-Yan like process<br />
σ S1S2 V<br />
(s) =<br />
NLO<br />
1<br />
Z<br />
1<br />
Z<br />
1<br />
Z<br />
Introduction<br />
Calcul<strong>at</strong>ions<br />
Numerical results<br />
Conclusion<br />
Ô<br />
Ô<br />
Ü<br />
Ü<br />
Î<br />
<strong>at</strong> Leading Order<br />
<strong>at</strong> Next-to-Leading Order QCD<br />
Ë Ë<br />
Î<br />
dx1 dx2 dx ˆσ<br />
0 0 0<br />
S1S2 V<br />
(q<br />
Born<br />
2 )<br />
(<br />
X<br />
×<br />
q,q ′<br />
(f¯q (x1 , µ 2 F )f q ′ (x2 , µ2F ) + f¯q (x2 , µ2F )f q ′ (x1 , µ2F ))<br />
2<br />
4∆ (0)<br />
¯qq (x) + ∆1 0<br />
αs<br />
¯qq (x) − ln @<br />
π<br />
µ2 F<br />
q2 1<br />
3<br />
A [Pqq(x)] +<br />
5<br />
+ X<br />
[fg(x1 , µ<br />
q<br />
2 F )(fq(x2 , µ2F ) + f¯q (x2 , µ2F )) + x1 ↔ x2 ]<br />
2<br />
4∆qg(x) − αs<br />
0<br />
ln @<br />
2 π<br />
µ2 F<br />
q2 1 3)<br />
A Pgq(x) 5<br />
Hamberg, van Neerven, M<strong>at</strong>suura ’91<br />
Marina Billoni <strong>Higgs</strong> <strong>Pair</strong> <strong>Production</strong> <strong>at</strong> <strong>the</strong> <strong>LHC</strong><br />
internal check
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