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Dive into the research topics where E. Calligarich is active.

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Featured researches published by E. Calligarich.


Astroparticle Physics | 2008

First results from a dark matter search with liquid argon at 87 K in the Gran Sasso underground laboratory

P. Benetti; R. Acciarri; F. Adamo; B. Baibussinov; M. Baldo-Ceolin; M. Belluco; F. Calaprice; E. Calligarich; M. Cambiaghi; F. Carbonara; F. Cavanna; S. Centro; A. G. Cocco; F Di Pompeo; N. Ferrari; G. Fiorillo; C. Galbiati; V. Gallo; L. Grandi; Andrea Ianni; G. Mangano; G. Meng; C. Montanari; O. Palamara; L. Pandola; F. Pietropaolo; G.L. Raselli; M. Rossella; C. Rubbia; A.M. Szelc

Abstract A new method of searching for dark matter in the form of weakly interacting massive particles (WIMP) has been developed with the direct detection of the low energy nuclear recoils observed in a massive target (ultimately many tons) of ultra pure liquid argon at 87xa0K. A high selectivity for argon recoils is achieved by the simultaneous observation of both the VUV scintillation luminescence and of the electron signal surviving columnar recombination, extracted through the liquid–gas boundary by an electric field. First physics results from this method are reported, based on a small 2.3xa0l test chamber filled with natural argon and an accumulated fiducial exposure of about 100xa0kgxa0day, supporting the future validity of this method with isotopically purified 40Ar and for a much larger unit presently under construction with correspondingly increased sensitivities.


European Physical Journal A | 1994

A new experimental limit on neutron-antineutron oscillations

M. Baldo-Ceolin; P. Benetti; T. Bitter; F. Bobisut; E. Calligarich; R. Dolfini; D. Dubbers; P. El-Muzeini; M. Genoni; D. Gibin; A. Gigli Berzolari; K. Gobrecht; A. Guglielmi; M. Laveder; W. Lippert; F. Mattioli; F. Mauri; M. Mezzetto; C. Montanari; A. Piazzoli; G. Puglierin; A. Rappoldi; G.L. Raselli; D. Scannicchio; A. Sconza; M. Vascon; L. Visentin

AbstractThe experimental search for neutron-antineutron oscillations has been completed at the ILL high flux reactor at Grenoble. A neutron beam of intensity 1011n s−1 was propagated for a timet≅0.1 s in vacuum in a region shielded against the external magnetic field. No antineutron was detected in 2.4·107 s running time. The lower limitn


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1993

A three-ton liquid argon time projection chamber

P. Benetti; A. Bettini; E. Calligarich; F. Casagrande; P. Casoli; F. Cavanna; P. Cennini; S. Centro; M. Cheng; Sergio Cittolin; D. Cline; B. Dainese; C. De Vecchi; R. Dolfini; L. Fortson; F. Gasparini; A. Gigli Berzolari; F. Mauri; L. Mazzone; C. Montanari; G. Muratori; S. Otwinowski; A. Pepato; L. Periale; G. Piano Mortari; A. Piazzoli; P. Picchi; F. Pietropaolo; A. Rappoldi; G.L. Raselli


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994

Performance of a three-ton liquid argon time projection chamber

P. Cennini; Sergio Cittolin; J.-P. Revol; C. Rubbia; W-H. Tian; P. Picchi; F. Cavanna; G. Piano Mortari; M. Verdecchia; D. Cline; G. Muratori; S. Otwinowski; H. Wang; M. Zhou; A. Bettini; F. Casagrande; P. Casoli; S. Centro; B. Dainese; C. De Vecchi; A. Pepato; F. Pietropaolo; P. Rossi; S. Ventura; P. Benetti; E. Calligarich; R. Dolfini; A. Gigli Berzolari; F. Mauri; L. Mazzone

tau _{nbar n} mathbin{lower.3exhbox{


Journal of Instrumentation | 2010

Effects of Nitrogen contamination in liquid Argon

R. Acciarri; M Antonello; B. Baibussinov; M. Baldo-Ceolin; P. Benetti; F. Calaprice; E. Calligarich; M. Cambiaghi; N Canci; F. Carbonara; F. Cavanna; S. Centro; A. G. Cocco; F Di Pompeo; G. Fiorillo; C. Galbiati; V. Gallo; L. Grandi; G. Meng; I. Modena; C. Montanari; O. Palamara; L. Pandola; G B Piano Mortari; F. Pietropaolo; G.L. Raselli; M. Roncadelli; M. Rossella; C. Rubbia; E. Segreto

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Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1993

Detection of energy deposition down to the keV region using liquid xenon scintillation

P. Benetti; E. Calligarich; R. Dolfini; A. Gigli Berzolari; F. Mauri; L. Mazzone; C. Montanari; A. Piazzoli; A. Rappoldi; G.L. Raselli; D. Scannicchio; A. Bettini; F. Casagrande; P. Casoli; S. Centro; B. Dainese; C. De Vecchi; F. Gasparini; G. Muratori; A. Pepato; F. Pietropaolo; P. Rossi; S. Suzuki; S. Ventura; C. Castagnoli; Giampaolo Mannocchi; L. Periale; F. Cavanna; G. Piano Mortari; P. Cennini

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New Astronomy Reviews | 2005

WARP liquid argon detector for dark matter survey

R. Brunetti; E. Calligarich; M. Cambiaghi; F. Carbonara; A. Cocco; C. De Vecchi; R. Dolfini; A. Ereditato; G. Fiorillo; L. Grandi; G. Mangano; A. Menegolli; C. Montanari; M. Prata; A. Rappoldi; G.L. Raselli; M. Roncadelli; M. Rossella; C. Rubbia; R. Santorelli; C. Vignoli


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2007

Measurement of the specific activity of ar-39 in natural argon

P. Benetti; F. Calaprice; E. Calligarich; M. Cambiaghi; F. Carbonara; F. Cavanna; A. G. Cocco; F Di Pompeo; N. Ferrari; G. Fiorillo; C. Galbiati; L. Grandi; G. Mangano; C. Montanari; L. Pandola; A. Rappoldi; G.L. Raselli; M. Roncadelli; M. Rossella; C. Rubbia; R. Santorelli; A.M. Szelc; C. Vignoli; Y. Zhao

n s forn


Journal of Instrumentation | 2010

Oxygen contamination in liquid Argon: combined effects on ionization electron charge and scintillation light

R. Acciarri; M Antonello; B. Baibussinov; M. Baldo-Ceolin; P. Benetti; F. Calaprice; E. Calligarich; M. Cambiaghi; N Canci; F. Carbonara; F. Cavanna; S. Centro; A. G. Cocco; F Di Pompeo; G. Fiorillo; C. Galbiati; V. Gallo; L. Grandi; G. Meng; I. Modena; C. Montanari; O. Palamara; L. Pandola; G B Piano Mortari; F. Pietropaolo; G.L. Raselli; M. Roncadelli; M. Rossella; C. Rubbia; E. Segreto


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2000

Scintillation efficiency of nuclear recoil in liquid xenon

F. Arneodo; B. Baiboussinov; A. Badertscher; P. Benetti; E. Bernardini; A. Bettini; A Borio di Tiogliole; R. Brunetti; A. Bueno; E. Calligarich; M. Campanelli; C. Carpanese; D. Cavalli; F. Cavanna; P. Cennini; S. Centro; A. Cesana; D. Cline; I. De Mitri; R. Dolfini; A. Ferrari; A. Gigli Berzolari; C. Matthey; F. Mauri; D. Mazza; L. Mazzone; G. Meng; C. Montanari; G. Nurzia; S. Otwinowski

nbar n

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D. Cline

University of California

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F. Cavanna

University of L'Aquila

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