期刊
EUROPEAN PHYSICAL JOURNAL C
卷 74, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-014-3212-9
关键词
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资金
- European Research Council via the Advanced Investigator [267352]
- STFC (UK) [ST/J002798/1]
- CICYT [FPA2013-40715-P]
- Spanish MICINN's Consolider-Ingenio 2010 Program under Grant MultiDark [CSD2009-00064]
- DOE [DE-SC0011842]
- University of Minnesota
- Collaborative Research Center [SFB676]
- DFG, Particles, Strings and the early Universe
- European Commission through the HiggsTools Initial Training Network [PITN-GA-2012-316704]
- STFC [ST/J002798/1] Funding Source: UKRI
- Division Of Physics
- Direct For Mathematical & Physical Scien [1151640] Funding Source: National Science Foundation
We make a frequentist analysis of the parameter space of the NUHM2, in which the soft supersymmetry (SUSY)-breaking contributions to the masses of the two Higgs multiplets, m(Hu,d)(2), vary independently from the universal soft SUSY-breaking contributions m(0)(2) to the masses of squarks and sleptons. Our analysis uses the MultiNest sampling algorithm with over 4 x 10(8) points to sample the NUHM2 parameter space. It includes the ATLAS and CMS Higgs mass measurements as well as the ATLAS search for supersymmetric jets + (E) over bar (T) signals using the full LHC Run 1 data, the measurements of BR(B-s -> mu(+) mu(-)) by LHCb and CMS together with other B-physics observables, electroweak precision observables and the XENON100 and LUX searches for spin-independent dark-matter scattering. We find that the preferred regions of the NUHM2 parameter space have negative SUSY-breaking scalar masses squared at the GUT scale for squarks and sleptons, m(0)(2)< 0, as well as m(Hu)(2) < m(Hd)(2) < 0. The tension present in the CMSSM and NUHM1 between the supersymmetric interpretation of (g - 2)(mu) and the absence to date of SUSY at the LHC is not significantly alleviated in the NUHM2. We find that the minimum chi(2) = 32.5 with 21 degrees of freedom (dof) in the NUHM2, to be compared with chi(2)/dof = 35.0/23 in the CMSSM, and chi(2)/dof = 32.7/22 in the NUHM1. We find that the one-dimensional likelihood functions for sparticle masses and other observables are similar to those found previously in the CMSSM and NUHM1.
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