Optimizing Cryogenic Detectors for Low-Mass WIMP Searches

Arnaud, Q.; Billard, J.; Juillard, A.

doi:10.1007/s10909-015-1463-y

Cited by 5 publications

(7 citation statements)

References 13 publications

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“…As a result, an improvement of a factor of 7 for a 4 GeV/c 2 WIMP mass is reached compared to the previous result while reproducing the results above 15 GeV/c 2 [315]. EDELWEISS is developing new improved detectors with the goal of reaching an exposure of 350 kg·d covering new regions of parameter space at low WIMP masses [316]. Both the CDMS and the EDELWEISS experiments have performed axion searches as described in section 7.2 for the CoGeNT experiment.…”

Section: Cryogenic Bolometerssupporting

confidence: 61%

Dark matter direct-detection experiments

Undagoitia

Rauch

2015

J. Phys. G: Nucl. Part. Phys.

389

319

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Abstract.In the past decades, several detector technologies have been developed with the quest to directly detect dark matter interactions and to test one of the most important unsolved questions in modern physics. The sensitivity of these experiments has improved with a tremendous speed due to a constant development of the detectors and analysis methods, proving uniquely suited devices to solve the dark matter puzzle, as all other discovery strategies can only indirectly infer its existence. Despite the overwhelming evidence for dark matter from cosmological indications at small and large scales, a clear evidence for a particle explaining these observations remains absent. This review summarises the status of direct dark matter searches, focussing on the detector technologies used to directly detect a dark matter particle producing recoil energies in the keV energy scale. The phenomenological signal expectations, main background sources, statistical treatment of data and calibration strategies are discussed.arXiv:1509.08767v2 [physics.ins-det]

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Section: Cryogenic Bolometerssupporting

confidence: 61%

Dark matter direct-detection experiments

Undagoitia

Rauch

2015

J. Phys. G: Nucl. Part. Phys.

389

319

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“…We assume the contribution from backgrounds to be negligible. 9 Given current constraints on the interactions of DM, we can expect up to 200 DM JCAP10(2016)032 scattering events in such an experiment. We will see that even in this minimal case there is some halo-independent sensitivity to the coupling structure of DM.…”

Section: Constraining Dm Coupling Structures With a Single Experimentsmentioning

confidence: 99%

“…In addition to the liquid-xenon-based experiment discussed above, we will consider two further target materials representative of next-generation experiments: a germanium (Ge) semiconductor experiment such as EDELWEISS-III [9] or SuperCDMS [8] and a lowbackground iodine (I) crystal scintillator such as SABRE [7]. 11 Our implementation of both types of experiments is summarised in table 1.…”

Section: Jcap10(2016)032mentioning

confidence: 99%

“…Over the past decade dark matter (DM) direct detection experiments have improved their sensitivity by an order of magnitude every two years and this trend is expected to continue for the near future [1][2][3][4][5][6][7][8][9]. While there is at present no clear evidence for the interactions of DM particles in nuclear recoil detectors [10][11][12][13][14], it is perfectly conceivable (and in fact predicted by many models for DM) that hundreds of events will be observed by 2020.…”

Section: Introductionmentioning

confidence: 99%

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Studying generalised dark matter interactions with extended halo-independent methods

Kahlhoefer¹,

Wild

2016

J. Cosmol. Astropart. Phys.

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The interpretation of dark matter direct detection experiments is complicated by the fact that neither the astrophysical distribution of dark matter nor the properties of its particle physics interactions with nuclei are known in detail. To address both of these issues in a very general way we develop a new framework that combines the full formalism of non-relativistic effective interactions with state-of-the-art halo-independent methods. This approach makes it possible to analyse direct detection experiments for arbitrary dark matter interactions and quantify the goodness-of-fit independent of astrophysical uncertainties. We employ this method in order to demonstrate that the degeneracy between astrophysical uncertainties and particle physics unknowns is not complete. Certain models can be distinguished in a halo-independent way using a single ton-scale experiment based on liquid xenon, while other models are indistinguishable with a single experiment but can be separated using combined information from several target elements.

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“…The projected limits are obtained with a Likelihood analysis. Details of the detector and background models as well as projected limits for various background and detector performances hypothesis could be found in [24] where the EDELWEISS roadmap to reach very low-mass WIMPs down to the Neutrino floor is presented. Projected limits for a large exposure (35,000 kg·days) obtained using some 100 kg of detectors with the above-cited performance operated in a very low-background facility are shown in Fig.…”

Section: Prospectsmentioning

confidence: 99%