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Article overview
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Search for technipions in exclusive production of diphotons with large invariant masses at the LHC | Piotr Lebiedowicz
; Roman Pasechnik
; Antoni Szczurek
; | Date: |
27 Sep 2013 | Abstract: | We focus on exclusive production of neutral technipion $ ilde pi^0$ in $pp$
collisions at the LHC, i.e. on $p p o p p ilde pi^0$ reaction. The
dependence of the cross section on parameters of recently proposed vector-like
Technicolor model is studied. Characteristic features of the differential
distributions are discussed. For not too large technipion masses the diphoton
decay channel has the dominant branching fraction. This is also the main reason
for an enhanced production of neutral technipions in $gammagamma$-fusion
reaction. We discuss potential backgrounds of the QCD and QED origin to the $p
p o p p ( ilde{pi}^0 o gamma gamma)$ process at large invariant
$gammagamma$ masses. We conclude that compared to inclusive case the
signal-to-background ratio in the considered exclusive reaction is vary
favorable which thereby could serve as a good probe for Technicolor dynamics
searches at the LHC. | Source: | arXiv, 1309.7300 | Services: | Forum | Review | PDF | Favorites |
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