TY - JOUR
T1 - How to test for mass degenerate Higgs resonances
AU - Grossman, Yuval
AU - Surujon, Ze'Ev
AU - Zupan, Jure
PY - 2013
Y1 - 2013
N2 - The Higgs-like signal observed at the LHC could be due to several mass degenerate resonances. We show that the number of resonances is related to the rank of a "production and decay" matrix, R if . Each entry in this matrix contains the observed rate in a particular production mode i and final state f. In the case of N non-interfering resonances, the rank of R is, at most, N. If interference plays a role, the maximum rank is generically N 2, or with a universal phase, N(N + 1)/2. As an illustration we use the present experimental data to constrain the rank of the corresponding matrix. We estimate the LHC reach of probing two and three resonances under various speculations on future measurements and uncertainties.
AB - The Higgs-like signal observed at the LHC could be due to several mass degenerate resonances. We show that the number of resonances is related to the rank of a "production and decay" matrix, R if . Each entry in this matrix contains the observed rate in a particular production mode i and final state f. In the case of N non-interfering resonances, the rank of R is, at most, N. If interference plays a role, the maximum rank is generically N 2, or with a universal phase, N(N + 1)/2. As an illustration we use the present experimental data to constrain the rank of the corresponding matrix. We estimate the LHC reach of probing two and three resonances under various speculations on future measurements and uncertainties.
KW - Hadronic Colliders
KW - Phenomenological Models
UR - http://www.scopus.com/inward/record.url?scp=84876248600&partnerID=8YFLogxK
U2 - 10.1007/jhep03(2013)176
DO - 10.1007/jhep03(2013)176
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AN - SCOPUS:84876248600
SN - 1126-6708
VL - 2013
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
IS - 3
M1 - 176
ER -