The microcalorimeter arrays for a rhenium experiment (MARE): A next-generation calorimetric neutrino mass experiment

Monfardini, A.; Arnaboldi, C.; Brofferio, C.; Capelli, S.; Capozzi, Francesco; Cremonesi, O.; Enss, C.; Fiorini, E.; Fleischmann, A.; Foggetta, L.; Gallinaro, G.; Gastaldo, L.; Gatti, F.; Giuliani, A.; Gorla, P.; Kelley, R. L.; Kilbourne, Caroline A.; Margesin, B.; McCammon, D.; Nones, C.; Nucciotti, A.; Pavan, M.; Pedretti, M.; Pergolesi, Daniele; Pessina, G.; Porter, F. S.; Prest, M.; Previtali, E.; Repetto, P.; Ribeiro-Gomez, M.; Sangiorgio, S.; Sisti, M.

doi:10.1016/j.nima.2005.12.006

Cited by 46 publications

(20 citation statements)

References 5 publications

(1 reference statement)

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“…The second approach consisted of an array of 10 AgReO 4 crystals, each 300 µg, which has resulted in m(ν e ) ≤ 15 eV. With further improvements planned, MARE will be realized in two steps: MARE I aims at an accuracy of 2 eV and the goal of MARE II is 0.2 eV [19,20].…”

Section: The Mass Of the Electron Antineutrinomentioning

confidence: 99%

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A quantum sensor for high-performance mass spectrometry

Rodriguez

2011

Appl. Phys. B

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A novel device, called quantum sensor, has been conceived to measure the mass of a single ion with ultimate accuracy and unprecedented sensitivity while the ion is stored and cooled in a trap. The quantum sensor consists of a single calcium ion as sensor, which is laser cooled to mK temperatures and stored in a second trap connected to the trap for the ion under study by a common endcap. The cyclotron motion of the ion under investigation is transformed into axial motion along the magnetic field lines and coupled to the sensor ion by the image current induced in the common endcap. The axial motion of the sensor ion in turn is monitored spatially resolved by its fluorescence light. In this way the detection of phonons can be upgraded to a detection of photons. This device will allow one to overcome recent limitations in high-precision mass spectrometry.

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Section: The Mass Of the Electron Antineutrinomentioning

confidence: 99%

“…For this magnetic field strength, ν c = 2684046.36 Hz and ν + = 2682182. 19 Hz Table 2 shows the time for several initial axial oscillation amplitudes presented in Fig. 4 together with their corresponding kinetic energies and cyclotron radii.…”

Section: Laser Cooling Of the Sensor Ionmentioning

confidence: 99%

A quantum sensor for high-performance mass spectrometry

Rodriguez

2011

Appl. Phys. B

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“…from the β − -decay of 187 Re in a way very similar to KATRIN [70]. Here, the mass difference of 187 Re and 187 Os should be known with unprecedented relative uncertainty of a few parts in 10 12 .…”

Section: Neutrino Physicsmentioning

confidence: 99%

Precision mass measurements for nuclear astro- and neutrino physics

Blaum

Eliseev

Eronen

et al. 2012

J. Phys.: Conf. Ser.

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Measurements of ground-state properties for nuclear structure studies by precision mass and laser spectroscopy K Blaum, M Block, R B Cakirli et al. Abstract. Nuclear masses are indispensable ingredients in numerous physics applications ranging from nuclear structure physics, where, e.g., the shell closures and nucleon correlation energies can be studied by accurate mass measurements, via the nuclear astrophysics, where the masses of nuclei far from the valley of β-stability determine the pathways of, e.g., rpand r-processes of nucleosynthesis in stars, to tests of the standard model and fundamental interactions, where, e.g., the very-accurate masses of parent and superallowed β-decay daughter nuclei serve as one of inputs for the checking of the unitarity of the CKM quark-mixing matrix. In this review we focus on recent direct mass measurements conducted with storage rings and Penning trap mass spectrometry. Although these measurements have a broad impact, we restrict our discussion on two topics, namely nuclear astrophysics and neutrino physics. IntroductionAtomic nuclei are unique many-body systems composed of two types of fermions, namely protons and neutrons, in which the binding energy is the result of the interplay of the strong, weak and electromagnetic fundamental interactions acting between the constituent nucleons. The complexity of these systems is, on one hand, a challenge for ab-initio theories but, on the other hand, they are natural laboratories for investigating these interactions.Since the first experiments of J. J. Thomson about a century ago [1], which can be considered as a birth of mass spectrometry, mass measurements are one of the major boosters of physics research. In nuclear physics, the structure effects like, e.g., shell closures [2,3] or nucleon-nucleon pairing [4], have been discovered in the past as irregularities on the smooth nuclear mass surface. Also today, nuclear masses continue to be a very useful tool to study nuclear structure, like, e.g., phenomenological proton-neutron interaction, δV pn , [5,6], onset of nuclear deformations [7], halo nuclei [8], shell structure [9], collective excitations [10], etc. Although, the masses of about 3000 nuclides are known experimentally, the knowledge of still unknown masses of very neutron-rich nuclei turns to be decisive in our understanding of the r-process on nucleosynthesis in stars, the process responsible for the production of about a half of all heavy elements above iron [11]. We note, however, that many of the nuclei on the r-process path will remain inaccessible even at the next generation radioactive beam facilities and, hence, their masses have to be calculated.

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“…The only current alternative for measuring decay spectra with useful accuracy are attempts to build cryogenic bolometers with the source internal to the detector. The MARE collaboration 10 is trying to build bolometers to measure the decay of 187 Re, which has an endpoint energy of only 2.47 keV. These efforts face two very significant hurdles.…”

Section: Limits From Decaymentioning

confidence: 99%

Neutrino physics

Wark¹

2010

Proceedings of European Physical Society Europhysics Conference on High Energy Physics — PoS(EPS-HEP 2009)

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Neutrino physics experienced an explosion of new results around the turn of the century, and is now poised for another leap with a set of new experiments in preparation. The purpose of this article, like the talk it was based on, is to provide a global context to the various neutrino projects and topics discussed at the conference and say a few words about other related projects that might help explain and motivate the interest in them. It is certainly not a global review of neutrino physics (which would require far too much space)! I have not provided references to those experiments/projects discussed at the conference, as you should look at the specific presentations by the real experts to get more information. I have provided a few references for those topics I thought important to discuss which weren't otherwise discussed at the conference.

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The microcalorimeter arrays for a rhenium experiment (MARE): A next-generation calorimetric neutrino mass experiment

Cited by 46 publications

References 5 publications

A quantum sensor for high-performance mass spectrometry

A quantum sensor for high-performance mass spectrometry

Precision mass measurements for nuclear astro- and neutrino physics

Neutrino physics

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