Recent Performance of Scintillating Bolometers Developed for Dark Matter Searches

Calleja, A.J.; Coron, N.; Garcı́a, E.; Gironnet, J.; Leblanc, J.; Marcillac, P. de; Martínez, M.; Ortigoza, Y.; Solórzano, A. Ortíz de; Pobes, C.; Puimedón, J.; Redon, T.; Sarsa, M.L.; Torres, L.; Villar, J. A.

doi:10.1007/s10909-008-9752-3

Cited by 20 publications

(22 citation statements)

References 9 publications

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“…16 More exactly, relative light outputs L i (E)/E normalized to that for electrons of 122 keV were measured in [61]; however they are very close here to quenching factors, see Eqs. (5)(6)(7). data with high quenching, the Birks factor also should have bigger value: kB = 1.7 × 10 −3 g MeV −1 cm −2 (χ 2 /n.d.f.…”

Section: Liquid Xementioning

confidence: 99%

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Semi-empirical calculation of quenching factors for ions in scintillators

Tretyak

2010

Astroparticle Physics

210

249

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Semi-empirical method of calculation of quenching factors for scintillators is described. It is based on classical Birks formula with the total stopping powers for electrons and ions which are calculated with the ESTAR and SRIM codes, respectively. Method has only one fitting parameter (the Birks factor kB) which can have different values for the same material in different conditions of measurements and data treatment. A hypothesis is used that, once the kB value is obtained by fitting data for particles of one kind and in some energy region (e.g. for a few MeV α particles from internal contamination of a detector), it can be applied to calculate quenching factors for particles of another kind and for another energies (e.g. for low energy nuclear recoils) if all data are measured in the same experimental conditions and are treated in the same way. Applicability of the method is demonstrated on many examples including materials with different mechanisms of scintillation: organic scintillators (solid C 8 H 8 , and liquid C 16 H 18 , C 9 H 12 ); crystal scintillators (pure CdWO 4 , PbWO 4 , ZnWO 4 , CaWO 4 , CeF 3 , and doped CaF 2 (Eu), CsI(Tl), CsI(Na), NaI(Tl)); liquid noble gases (LXe). Estimations of quenching factors for nuclear recoils are also given for some scintillators where experimental data are absent (CdWO 4 , PbWO 4 , CeF 3 , Bi 4 Ge 3 O 12 , LiF, ZnSe).

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Section: Liquid Xementioning

confidence: 99%

“…Many experimental efforts were devoted to measurements, sometimes very sophisticated, of quenching factors at low energies in different detectors (see e.g. recent works [6,7,8,9,10,11,12] and further references).…”

Section: Introductionmentioning

confidence: 99%

Semi-empirical calculation of quenching factors for ions in scintillators

Tretyak

2010

Astroparticle Physics

210

249

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“…55 It constitutes the baseline for the EURECA scintillating targets. Al 2 O 3 , used by ROSEBUD 56,57 and by CRESST in the first phase of the experiment, 58 is particularly interesting for its sensitivity to low mass WIMPs. Finally, LiF, also sensitive to light WIMPs and SD interaction, has been used by the ROSEBUD collaboration for DM searches and as neutron detector, showing that its use in a DM experiment could allow for thermal neutron monitoring.…”

Section: Scintillating Bolometers For Dark Matter Searchesmentioning

confidence: 99%

Scintillating bolometers: A key for determining WIMP parameters

Cerdeño

Marcos

Peiró

et al. 2014

Int. J. Mod. Phys. A

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In the last decade direct detection Dark Matter (DM) experiments have increased enormously their sensitivity and ton-scale setups have been proposed, especially using germanium and xenon targets with double readout and background discrimination capabilities. In light of this situation, we study the prospects for determining the parameters of Weakly Interacting Massive Particle (WIMP) DM (mass, spin-dependent (SD) and spin-independent (SI) cross section off nucleons) by combining the results of such experiments in the case of a hypothetical detection. In general, the degeneracy between the SD and SI components of the scattering cross section can only be removed using targets with different sensitivities to these components. Scintillating bolometers, with particle discrimination capability, very good energy resolution and threshold and a wide choice of target materials, are an excellent tool for a multitarget complementary DM search. We investigate how the simultaneous use of scintillating targets with different SD-SI sensitivities and/or light isotopes (as the case of CaF 2 and NaI) significantly improves the determination of the WIMP parameters. In order to make the analysis more realistic we include the effect of uncertainties in the halo model and in the spin-dependent nuclear structure functions, as well as the effect of a thermal quenching different from 1.

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“…Similar values are quoted in previous analysis. 3 A detailed study of this dependency for Al 2 O 3 and BGO is in preparation. b REF (β/γ:X) is defined as the ratio between the thermal response of an electron depositing a certain energy and the response of a particle X depositing the same energy.…”

Section: Bgomentioning

confidence: 99%

Development of Scintillating Bolometers for Dark Matter Searches

Martínez

Cuesta

Garcı́a

et al. 2013

Int. J. Mod. Phys. Conf. Ser.

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Scintillating bolometers, in which the simultaneous detection of light and heat allows to discriminate the nature of the interacting particle, are one of the most promising detectors for Dark Matter (DM) searches. One main advantage is the wide range of materials that can be used as target, that could provide a key for WIMP identification. The EURECA (European Underground Rare Event Calorimeter Array) project aims to install 1 ton of cryogenic detectors (Ge and solid state scintillators) to explore the spin independent (SI) scalar cross sections down to the 10 −46 cm 2 region. In this frame, the ROSEBUD collaboration is developing low temperature scintillating materials to be installed at the Canfranc Underground Laboratory. Work on 6 Li and 10 B based targets, that could allow to monitor the thermal and fast neutron flux within the experiments, is also presented.

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Recent Performance of Scintillating Bolometers Developed for Dark Matter Searches

Cited by 20 publications

References 9 publications

Semi-empirical calculation of quenching factors for ions in scintillators

Semi-empirical calculation of quenching factors for ions in scintillators

Scintillating bolometers: A key for determining WIMP parameters

Development of Scintillating Bolometers for Dark Matter Searches

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