2017:groups:higgs:2h
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2017:groups:higgs:2h [2017/06/17 15:24] jose_miguel.no |
2017:groups:higgs:2h [2017/06/17 15:44] jose_miguel.no |
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| - | 3. Exotic Higgs decays: What are the holes? | ||
| - | h-> a a, Z a, a a' with a, a' scalar/pseudoscalar (for Z a, a is pseudoscalar) | ||
| - | | ||
| - | Current searches for h -> a a: 4 muon, 2 mu 2 b, 4 tau, 2 tau 2 mu, 4 b... | ||
| - | | ||
| - | * Interesting to look at signatures with resolved/not resolved photons: 2b 2gamma, 4 gamma (for unresolved 2 gamma pairs, measurement of h->gamma gamma could yield weak constrain) | ||
| - | * | ||
| - | * , s Z with s->gamma gamma | ||
| - | h->ss->SM (eventually scalars with different masses h-> s1s2) | + | 3. Exotic Higgs decays: What are the holes? |
| - | what are the holes? | + | |
| + | h -> a a, Z a, a a' with a, a' scalar/pseudoscalar (for Z a, a is pseudoscalar) | ||
| + | |||
| + | * Current searches for h -> a a: 4 muon, 2 mu 2 b, 4 tau, 2 tau 2 mu, 4 b... | ||
| + | * Interesting to look at signatures with resolved/not resolved photons: 2b 2gamma, 4 gamma (for unresolved 2 gamma pairs, measurement of h->gamma gamma could yield weak constraint) | ||
| + | * h -> Z a (a -> gamma gamma) has been initially studied by Bauer, Neubert, Thamm in [[https://arxiv.org/pdf/1704.08207|1704.08207]], for a being an ALP (axion-like particle) | ||
| + | * h -> a a': if ma is different from ma', h -> a a searches would miss it (also depends on final state) | ||
| + | | ||
| + | h->chi1 chi2 | ||
| - | * decays involving missing energy: h->chi1 chi2 with chi1 invisible | + | * Decays involving MET? (e.g. chi1 invisible); (Also considerable for h -> a a' and h -> Z a) |
| - | * s with displaced decays. Role of the LHCb | + | Exotic Higgs decays into LLP (displaced vertices). Role of LHCb (also BaBar, Belle II) |
2017/groups/higgs/2h.txt · Last modified: 2017/06/25 21:28 by majumder.devdatta
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