Performance of a liquid argon time projection chamber exposed to the CERN West Area Neutrino Facility neutrino beam

Arneodo, F.; Benetti, P.; Bonesini, M.; Tigliole, A. Borio di; Boschetti, B.; Bueno, A.; Calligarich, E.; Casagrande, F.; Cavalli, D.; Cavanna, F.; Cennini, P.; Centro, S.; Cesana, E.; Cline, D.; Curioni, A.; Mitri, I. De; Vecchi, C. De; Dolfini, R.; Ferrari, A.; Ghezzi, A.; Guglielmi, A.; Kisiel, J.; Mannocchi, G.; Ossa, A. Martínez de la; Matthey, C.; Mauri, F.; Montanari, C.; Navas, S.; Negri, P.; Nicoletto, M.; Otwinowski, S.; Paganoni, M.; Palamara, O.; Pepato, A.; Periale, L.; Mortari, G. Piano; Picchi, P.; Pietropaolo, F.; Puccini, Antonio; Pullia, A.; Ragazzi, S.; Rancati, T.; Rappoldi, A.; Raselli, G.L.; Redaelli, N.; Rondio, E.; Rubbia, A.; Rubbia, C.; Sala, P.; Sergiampietri, F.; Sobczyk, J. T.; Suzuki, Satoshi; Fatis, T. Tabarelli de; Terrani, M.; Terranova, F.; Tonazzo, A.; Ventura, S.; Vignoli, C.; Wang, H.; Zalewska, A.

doi:10.1103/physrevd.74.112001

Cited by 45 publications

(32 citation statements)

References 19 publications

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“…In all the panels we observe that the behaviour of the HFB results is quite smooth, while that of the HF+BCS calculations is less regular. In general, the HF+BCS results are closer to the experimental values than HF results except for 18 O, 20 O, 42 Ca, 44 Ca, 50 Ni, 70 Ni, 72 Ni and 92 Mo. Furthermore, HFB calculations are in better agreement with the experiment than our HF+BCS calculations that show again the effects of a smaller pairing.…”

Section: Binding Energiessupporting

confidence: 71%

“…In panel (a), we observe some differences with the experimental data in 18 O and 20 O that are both overbound, and in 26 O which is, on the opposite, underbound. For the calcium isotopes, panel (b), our HF+BCS results overbind 42 Ca and 44 Ca. In the nickel chain, panel (c), we find a small underbinding in the isotopes between the 56 Ni and 68 Ni, while 50 Ni, 70 Ni and 72 Ni are overbound.…”

Section: Binding Energiesmentioning

confidence: 93%

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A study of self-consistent Hartree–Fock plus Bardeen–Cooper–Schrieffer calculations with finite-range interactions

Anguiano

Lallena

Có

et al. 2014

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

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In this work we test the validity of a Hartree-Fock plus Bardeen-Cooper-Schrieffer model in which a finite-range interaction is used in the two steps of the calculation by comparing the results obtained to those found in a fully self-consistent Hartree-Fock-Bogoliubov calculations using the same interaction. Specifically, we consider the Gogny-type D1S and D1M forces. We study a wide range of spherical nuclei, far from the stability line, in various regions of the nuclear chart, from oxygen to tin isotopes. We calculate various quantities related to the ground state properties of these nuclei, such as binding energies, radii, charge and density distributions and elastic electron scattering cross sections. The pairing effects are studied by direct comparison with the Hartree-Fock results. Despite of its relative simplicity, in most of the cases, our model provides results very close to those of the Hartree-Fock-Bogoliubov calculations, and it reproduces rather well the empirical evidences of pairing effects in the nuclei investigated.

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Section: Binding Energiessupporting

confidence: 71%

Section: Binding Energiesmentioning

confidence: 93%

A study of self-consistent Hartree–Fock plus Bardeen–Cooper–Schrieffer calculations with finite-range interactions

Anguiano

Lallena

Có

et al. 2014

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

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“…Liquefied noble gases, such as argon or xenon, are becoming more and more popular media for ionization particle detectors to be employed in high energy physics [1], neutrino physics [2][3][4][5][6][7][8], dark matter search experiments [9][10][11][12] and other applications in particle and astroparticle physics. The required target (detector) mass gradually increases with the precision of the experiments.…”

Section: Introductionmentioning

confidence: 99%

Experimental study of electric breakdowns in liquid argon at centimeter scale

Blatter¹,

Ereditato²,

Hsu³

et al. 2014

J. Inst.

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In this paper we present results on measurements of the dielectric strength of liquid argon near its boiling point and cathode-anode distances in the range of 0.1 mm to 40 mm with spherical cathode and plane anode. We show that at such distances the applied electric field at which breakdowns occur is as low as 40 kV/cm. Flash-overs across the ribbed dielectric of the high voltage feed-through are observed for a length of 300 mm starting from a voltage of 55 kV. These results contribute to set reference for the breakdown-free design of ionization detectors, such as Liquid Argon Time Projection Chambers (LAr TPC).

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“…In the 1990s, the ICARUS-Milano Collaboration pioneered the use of LAr TPCs as neutrino detectors with the exposure of a 50 liter chamber [64] on the CERN West Area Neutrino Facility. The front-end electronics [65] were based on JFETs operated in LAr close to the readout wires, which minimized the preamplifier input capacitance due to the absence of long readout cables.…”

Section: Development Of Lar Tpc Detectorsmentioning

confidence: 99%

Status and New Ideas Regarding Liquid Argon Detectors

Marchionni

2013

Annu. Rev. Nucl. Part. Sci.

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Large (up to ∼ 100 kt) liquid argon time-projection chamber detectors are presently being considered for proton decay searches and neutrino astrophysics, as well as for far detectors for the next generation of longbaseline neutrino oscillation experiments that aim to determine neutrino mass hierarchy and search for CP violation in the leptonic sector. These detectors rely on the capabilities to assemble large volumes of LAr in ultrahigh-purity conditions, possibly in an underground environment, and to achieve relatively long drifts for the ionization charge. Several proposals have been developed, each of which takes a different approach to the design of the cryogenic vessels and has different scales of modularity to reach the final mass dictated by physics. New detector concepts, with innovative designs of readout electronics and novel methods for the readout of the ionization charge and scintillation light, have been proposed.

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Performance of a liquid argon time projection chamber exposed to the CERN West Area Neutrino Facility neutrino beam

Cited by 45 publications

References 19 publications

A study of self-consistent Hartree–Fock plus Bardeen–Cooper–Schrieffer calculations with finite-range interactions

A study of self-consistent Hartree–Fock plus Bardeen–Cooper–Schrieffer calculations with finite-range interactions

Experimental study of electric breakdowns in liquid argon at centimeter scale

Status and New Ideas Regarding Liquid Argon Detectors

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