Neutralino pair production at proton-proton collider

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dc.creatorLiang, Han
dc.creatorWen-Gan, Ma
dc.creatorYi, Jiang
dc.creatorMian-Lai, Zhou
dc.creatorHong, Zhou
dc.date2000-03-30
dc.date.accessioned2026-07-07T03:41:03Z
dc.date.available2026-07-07T03:41:03Z
dc.descriptionIn this paper we investigated the Drell-Yan process of the light neutralino pair $\tildeχ^0_{i}\tildeχ^0_{j}~(i,j=1,2)$ productions at hadron colliders. We studied the dependence of the coupling properties of two light neutralino $\tildeχ^0_{1,2}$ on the three SUSY Lagrangian parameters $M_1$, $M_2$ and $μ$, and find that the production rate of $\tildeχ^0_1 \tildeχ^0_2$ pair will be dominated by the Higgsino-like couplings under the condition $μ\ll M_2$ and $μ\sim M_1$, while the productions of $\tildeχ^0_1\tildeχ^0_1$ and $\tildeχ^0_2\tildeχ^0_2$ pairs will be enhanced by the gaugino-like couplings under $M_i \ll μ$. For the Higgsino-like $\tildeχ^0_{1,2}$ neutralinos, the cross section of $\tildeχ^0_1\tildeχ^0_2$ production at the LHC can reach $100~fb$.
dc.descriptionLaTex file, 15 pages, 8 EPS figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0003292
dc.identifierhttp://arxiv.org/abs/hep-ph/0003292
dc.identifierCommun.Theor.Phys. 34 (2000) 115-122
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/39493
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNeutralino pair production at proton-proton collider
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