Search for dark matter at colliders

Buchmueller, O. L.; Doglioni, C.; Wang, Lian Tao

doi:10.1038/nphys4054

Cited by 86 publications

(101 citation statements)

References 53 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…After 2 years, using the same analysis protocol, we have carried out a new unblinding of ANAIS-112 data and the corresponding annual modulation analysis. While preparing a more complete analysis, we present here the result of a model independent analysis searching for modulation in the same regions as DAMA/LIBRA has published ( [1][2][3][4][5][6] keV and [2,6] keV) using an exposure of 220.69 kg×y. Data from all the modules are added together and we use a least-squared fit, modeling the data as: Figure 1.…”

Section: Annual Modulation Analysis and Resultsmentioning

confidence: 99%

“…Data from all the modules are added together and we use a least-squared fit, modeling the data as: Figure 1. ANAIS-112 fit results for two years of data in energy regions [1][2][3][4][5][6] and [2][3][4][5][6] keV in the modulation (blue) and null hypothesis (red). Data are displayed after subtracting the constant and exponential functions fitted to eq.…”

Section: Annual Modulation Analysis and Resultsmentioning

confidence: 99%

See 1 more Smart Citation

ANAIS-112 status: two years results on annual modulation

Amaré

Cebrián

Cintas

et al. 2020

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

ANAIS (Annual modulation with NaI Scintillators) is a dark matter direct detection experiment located at the Canfranc Underground Laboratory (LSC), in Spain. The goal is to confirm or refute in a model independent way the DAMA/LIBRA positive result: an annual modulation in the low-energy detection rate compatible with the expected signal induced by dark matter particles in the galactic halo. This signal, observed for about 20 years, is in strong tension with the negative results of other very sensitive experiments, but a direct comparison using the same target material, NaI(Tl), was still lacking. ANAIS-112, consisting of 112.5 kg of NaI(Tl) scintillators, is taking data at the LSC since August 2017. Here we present the preliminary annual modulation analysis corresponding to two years of data (exposure of 220.69 kg×y) and the ANAIS-112 projected sensitivity for the scheduled 5 y of operation.

show abstract

Section: Annual Modulation Analysis and Resultsmentioning

confidence: 99%

Section: Annual Modulation Analysis and Resultsmentioning

confidence: 99%

ANAIS-112 status: two years results on annual modulation

Amaré

Cebrián

Cintas

et al. 2020

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

“…For many decades, the favored models characterized the DM as a relic density of weakly interacting massive particles (WIMPs) [3][4][5][6]. 1 However, LHC experiments have run extensive physics searches for WIMP signals which have returned only null results [11,12]. In addition, a broad WIMP search program has been developed with direct and indirect detection methods, which so far have given unsatisfactory answers [13][14][15][16][17][18][19][20][21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Hunting for superheavy dark matter with the highest-energy cosmic rays

2019

View full text Add to dashboard Cite

In 15 years of data taking the Pierre Auger Observatory has observed no events beyond 10 11.3 GeV. This null result translates into an upper bound on the flux of ultrahigh-energy cosmic rays implying J(> 10 11.3 GeV) < 3.6 × 10 −5 km −2 sr −1 yr −1 , at the 90%C.L. We interpret this bound as a constraint on extreme-energy photons originating in the decay super-heavy dark matter (SHDM) particles clustered in the Galactic halo. Armed with this constraint we derive the strongest lower limit on the lifetime of hadronically decaying SHDM particles with masses in the range, 10 14 M X /GeV 10 16 . We also explore the capability of future NASA's POEMMA mission to search for SHDM signals.2 Investigations in String Theory have applied a statistical approach to the enormous "landscape" of vacua present in the theory [37]. Remarkably, these huge number of metastable vacua, O(10 500 ), can also accommodate the more severe fine-tuning required to characterize the SM with a small cosmological constant [40,41].

show abstract

“…When the LSP is required to be one of the neutralinos, the DM relic abundance constraint will be highly effective to shape the fundamental parameter space, since the relic abundance of LSP neutralino is usually realized greater than the current measurement over most of the fundamental parameter space. Once one can identify the regions compatible with the current WMAP and Planck results, they can be analyzed further against the results from the direct detection [48], indirect detection [49] and collider experiments [50]. However, all these detailed analyses are out of the scope of our study.…”

Section: Scanning Procedures and Experimental Constraintsmentioning

confidence: 99%

Charged Higgs boson in MSSM and beyond

et al. 2018

View full text Add to dashboard Cite

We conduct a numerical study over the constrained MSSM (CMSSM), next-to-MSSM (NMSSM) and Uð1Þ extended MSSM (UMSSM) to probe the allowed mass ranges of the charged Higgs boson and its dominant decay patterns, which might come into prominence in the near future collider experiments. We present results obtained from a limited scan for CMSSM as a basis and compare its predictions with the extended models. We observe within our data that a wide mass range is allowed as 0.5ð1Þ ≲ m H AE ≲ 17 TeV in UMSSM (NMSSM). We find that the dominant decay channel is mostly H AE → tb such that BRðH AE → tbÞ ∼ 80%. While this mode remains dominant over the whole allowed parameter space of CMSSM, we realize some special domains in the NMSSM and UMSSM, in which BRðH AE → tbÞ ≲ 10%. In this context, the decay patterns of the charged Higgs can play a significant role to distinguish among the SUSY models. In addition to the tb decay mode, we find that the narrow mass scale in CMSSM allows only the decay modes for the charged Higgs boson to τν (∼16%), and their supersymmetric partnersτν (∼13%).On the other hand, it is possible to realize the mode in NMSSM and UMSSM in which the charged Higgs boson decays into a chargino and neutralino pair up to about 25%. This decay mode requires nonuniversal boundary conditions within the MSSM framework to be available, since CMSSM yields BRðH AE →χ 0 1χ AE 1 Þ ≲ 1%. It can also be probed in the near future collider experiments through the missing energy and CP-violation measurements. Moreover, the chargino mass is realized as m˜χAE 1 ≳ 1 TeV in NMSSM and UMSSM, and these solutions will be likely tested soon in collider experiments through the chargino-neutralino production. Focusing on the chargino-neutralino decay patterns, we also present tables which list the possible ranges for the charged Higgs production and decay modes.

show abstract

Search for dark matter at colliders

Cited by 86 publications

References 53 publications

ANAIS-112 status: two years results on annual modulation

ANAIS-112 status: two years results on annual modulation

Hunting for superheavy dark matter with the highest-energy cosmic rays

Charged Higgs boson in MSSM and beyond

Contact Info

Product

Resources

About