An outlook on the relevant progresses in the rhenium experiment with cryogenic detectors that has been made in the past year will be presented. We will discuss how the surrounding environment causes a ripple-like perturbation on the energy spectrum called Beta Environmental Fine Structure (BEFS). In 3 months of effective data acquisition we...
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2000 (v1)PublicationUploaded on: December 5, 2022
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1996 (v1)Publication
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1996 (v1)Publication
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1996 (v1)Publication
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1999 (v1)Publication
Determining whether neutrinos have mass is an important test of grand unified theories. Neutrino masses can in principle be measured from small distortions' in the spectra of electrons emitted in low-energy beta-decay processes. Detailed knowledge of the beta-particles' spectral shape and the detector response is therefore required in order to...
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1999 (v1)Publication
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1999 (v1)Publication
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2000 (v1)Publication
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2001 (v1)Publication
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Uploaded on: March 25, 2023 -
1992 (v1)Publication
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1999 (v1)Publication
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2001 (v1)Publication
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1999 (v1)Publication
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2002 (v1)Publication
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2009 (v1)Publication
We summarise the content of the talks presented at the Tetrahedron parallel session of N0W2008 with a general overview of the plenary session as introduction to the argument "crossing different energy scales". Neutrino mass and mixing, leptogenesis and CP violation, cosmology hints to neutrino properties, lepton flavour violating processes...
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1996 (v1)Publication
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2001 (v1)Publication
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2009 (v1)Publication
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1992 (v1)Publication
The existence of the 17 keV neutrino can be tested by measuring the ratio P(K)/P(L) of orbital electron capture probabilities from K and L electronic shells in allowed transitions to different nuclear final states. Ba-133 is a suitable candidate. A precise value of Q(EC) is needed. We suggest a method of determining Q(EC) independent on...
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1991 (v1)Publication
Single-particle thermal detection of alpha-particles and gamma-rays in small composite bolometers with superconducting rhenium acting as absorber is successfully demonstrated. It is shown that, at temperatures below 100 mK, the particle energy is quickly thermalized and the effective heat capacitance of the rhenium is slightly higher than the...
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1991 (v1)Publication
Simple and inexpensive low-temperature bolometers have been fabricated using commercial thick-film resistors. The bolometer resistance depends both on the temperature and on the bias voltage. The responsivity and time constant are deduced in this non-ideal case.
Uploaded on: December 5, 2022