Results of the Search for Strange Quark Matter and Q-balls with the SLIM Experiment (2008)
Cecchini, S., Cozzi, M., Di Ferdinando, D., Errico, M., Fabbri, F., Giacomelli, G., ...
The SLIM experiment at the Chacaltaya high altitude laboratory was sensitive to nuclearites and Q-balls, which could be present in the cosmic radiation as possible Dark Matter components. It was...
The treatment and rejection of two "strange" candidate events in the SLIM experiment (2008)
Balestra, S., Cecchini, S., Cozzi, M., Esposti, L. Degli, Di Ferdinando, D., Errico, M., ...
During the analysis of the CR39 Nuclear Track Detectors (NTDs) of the SLIM experiment exposed at the high altitude lab of Chacaltaya (Bolivia) we observed a sequence of puzzling etch-pits. We made a...
Magnetic Monopole Search at high altitude with the SLIM experiment (2008)
Balestra, S., Cecchini, S., Cozzi, M., Errico, M., Fabbri, F., Giacomelli, G., ...
The SLIM experiment was a large array of nuclear track detectors located at the Chacaltaya high altitude Laboratory (5230 m a.s.l.). The detector was in particular sensitive to Intermediate Mass...
Cecchini, S., Chiarusi, T., Giacomelli, G., Giorgini, M., Kumar, A., Mandrioli, G., ...
We present new measurements of the total and partial fragmentation cross sections in the energy range 0.3-10 A GeV of 56Fe, 28Si and 12C beams on polyethylene, CR39 and aluminum targets. The...
Search for massive rare particles with the SLIM experiment (2007)
The SLIM experiment is a large array of nuclear track detectors located at the Chacaltaya High Altitude Laboratory (5260 m a.s.l.). The preliminary results from the analysis of ~383 m^2 exposed for...
Arrabito, L., Bozza, C., Buontempo, S., Consiglio, L., Cozzi, M., D'Ambrosio, N., ...
The OPERA experiment, designed to conclusively prove the existence of $\rm \nu_\mu \to \nu_\tau$ oscillations in the atmospheric sector, makes use of a massive lead-nuclear emulsion target to observe...
Electron/pion separation with an Emulsion Cloud Chamber by using a Neural Network (2007)
Arrabito, L., Autiero, D., Bozza, C., Buontempo, S., Caffari, Y., Consiglio, L., ...
We have studied the performance of a new algorithm for electron/pion separation in an Emulsion Cloud Chamber (ECC) made of lead and nuclear emulsion films. The software for separation consists of two...
First events from the CNGS neutrino beam detected in the OPERA experiment (2007)
Acquafredda, R., Agafonova, N., Ambrosio, M., Anokhina, A., Aoki, S., Ariga, A., ...
The OPERA neutrino detector at the underground Gran Sasso Laboratory (LNGS) was designed to perform the first detection of neutrino oscillations in appearance mode, through the study of nu_mu to...
Electron/pion separation with an Emulsion Cloud Chamber by using a Neural Network (2007)
Arrabito, L., Autiero, D., Bozza, C., Buontempo, S., Caffari, Y., Consiglio, L., ...
We have studied the performance of a new algorithm for electron/pion separation in an Emulsion Cloud Chamber (ECC) made of lead and nuclear emulsion films. The software for separation consists of two...
Summary of MACRO results on exotic physics (2006)
MACRO was a multi-purpose experiment that took data from 1989 to 2000, at the underground Laboratory of Gran Sasso (Italy). MACRO gave important results/limits concerning: (i) the oscillation of...
Nuclear Track Detectors for Environmental Studies and Radiation Monitoring (2006)
Manzoor, S., Balestra, S., Cozzi, M., Errico, M., Giacomelli, G., Giorgini, M., ...
Several improvements were made for Nuclear Track Detectors (NTDs) used for environmental studies and for particle searches. A new method was used to determine the bulk etch rate of CR39 and Makrofol...
Hardware performance of a scanning system for high speed analysis of nuclear emulsions (2006)
Arrabito, L., Barbuto, E., Bozza, C., Buontempo, S., Consiglio, L., Coppola, D., ...
The use of nuclear emulsions in very large physics experiments is now possible thanks to the recent improvements in the industrial production of emulsions and to the development of fast automated...
Fragmentation studies of high energy ions using CR39 nuclear track detectors (2006)
Togo, V., Balestra, S., Cecchini, S., Di Ferdinando, D., Frutti, M., Giacomelli, G., ...
We report on the measurements of the total charge changing fragmentation cross sections in high-energy nucleus-nucleus collisions using Fe, Si and Pb incident ions. Several stacks of CR39 nuclear...
Nuclear Track Detectors for Particle Searches (2006)
Manzoor, S., Balestra, S., Cozzi, M., Errico, M., Giacomelli, G., Giorgini, M., ...
In this paper we report a search for intermediate mass magnetic monopoles and nuclearites using CR39 and Makrofol Nuclear Track Detectors (NTDs) of the SLIM large area experiment, 440 m^2 exposed at...
Bulk Etch Rate Measurements and Calibrations of Plastic Nuclear Track Detectors (2006)
Balestra, S., Cozzi, M., Giacomelli, G., Giacomelli, R., Giorgini, M., Kumar, A., ...
New calibrations of CR39 and Makrofol nuclear track detectors have been obtained using 158 A GeV Pb (82+) and In (49+) ions; a new method for the bulk etch rate determination, using both cone height...
The physics motivations and the detector design of the long baseline OPERA experiment are discussed; OPERA is a hybrid detector made of several types of electronic subdetectors, 2 magnets and...
Hardware performance of a scanning system for high speed analysis of nuclear emulsions (2006)
Arrabito, L., Barbuto, E., Bozza, C., Buontempo, S., Consiglio, L., Coppola, D., ...
The use of nuclear emulsions in very large physics experiments is now possible thanks to the recent improvements in the industrial production of emulsions and to the development of fast automated...
Rare Particle Searches with the high altitude SLIM experiment (2006)
Balestra, S., Cecchini, S., Fabbri, F., Giacomelli, G., Giacomelli, R., Giorgini, M., ...
The search for rare particles in the cosmic radiation remains one of the main aims of non-accelerator particle astrophysics. Experiments at high altitude allow lower mass thresholds with respect to...
Search for nuclearites with the SLIM detector (2006)
Balestra, S., Cecchini, S., Giacomelli, G., Giacomelli, R., Giorgini, M., Manzoor, S., ...
The strange quark matter (SQM) may be the ground state of QCD; nuggets of SQM could be present in cosmic rays (CR). SLIM is a large area experiment, using CR39 and Makrofol track etch detectors,...
Hardware performance of a scanning system for high speed analysis of nuclear emulsions (2006)
Arrabito, L., Barbuto, E., Bozza, C., Buontempo, S., Consiglio, L., Coppola, D., ...
The use of nuclear emulsions in very large physics experiments is now possible thanks to the recent improvements in the industrial production of emulsions and to the development of fast automated...
The energy spectrum of neutrino-induced upward-going muons in MACRO was analysed in terms of special relativity principles violating effects, keeping standard mass-induced atmospheric neutrino...
Time variations in the deep underground muon flux measured by MACRO (2005)
Becherini, Y., Cecchini, S., Cozzi, M., Dekhissi, H., Derkaoui, J., Giacomelli, G., ...
More than 30 million of high-energy muons collected with the MACRO detector at the underground Gran Sasso Laboratory have been used to search for flux variations of different natures. Two kinds of...
Search for exotic contributions to atmospheric neutrino oscillations (2005)
Battistoni, G., Becherini, Y., Cecchini, S., Cozzi, M., Dekhissi, H., Esposito, L., ...
The energy spectrum of neutrino-induced upward-going muons in MACRO was analysed in terms of relativity principles violating effects, keeping standard mass-induced atmospheric neutrino oscillations...
Search for spontaneous muon emission from lead nuclei (2005)
Arrabito, L., Autiero, D., Barbuto, E., Bozza, C., Cecchini, S., Consiglio, L., ...
We describe a possible search for muonic radioactivity from lead nuclei using the base elements ("bricks" composed by lead and nuclear emulsion sheets) of the long-baseline OPERA neutrino experiment....
Search for spontaneous muon emission from lead nuclei (2005)
Arrabito, L., Autiero, D., Barbuto, E., Bozza, C., Cecchini, S., Consiglio, L., ...
We describe a possible search for muonic radioactivity from lead nuclei using the base elements ("bricks" composed by lead and nuclear emulsion sheets) of the long-baseline OPERA neutrino experiment....
Search for nuclearites with the SLIM detector (2005)
Balestra, S., Cecchini, S., Giacomelli, G., Giorgini, M., Kumar, A., Mandrioli, G., ...
We discuss the properties of cosmic ray nuclearites, from the point of view of their search with large nuclear track detector arrays exposed at different altitudes, in particular with the SLIM...
Atmospheric neutrino oscillations (2005)
The latest results from the Soudan 2, MACRO and SuperKamiokande experiments on atmospheric neutrino oscillations are summarised and discussed. In particular a discussion is made on the Monte Carlo...
Battistoni, G., Becherini, Y., Cecchini, S., Cozzi, M., Dekhissi, H., Esposito, L. S., ...
Neutrino-induced upward-going muons in MACRO have been analysed in terms of relativity principles violating effects, keeping standard mass-induced atmospheric neutrino oscillations as the dominant...
Time correlations of high energy muons in an underground detector (2005)
Becherini, Y., Cecchini, S., Chiarusi, T., Cozzi, M., Dekhissi, H., Derkaoui, J., ...
We present the result of a search for correlations in the arrival times of high energy muons collected from 1995 till 2000 with the streamer tube system of the complete MACRO detector at the...
High-speed particle tracking in nuclear emulsion by last-generation automatic microscopes (2005)
Armenise, N., De Serio, M., Ieva, M., Muciaccia, M.T., Pastore, A., Simone, S., ...
The technique of nuclear emulsions for high-energy physics experiments is being revived, thanks to the remarkable progress in measurement automation achieved in the past years. The present paper...
Search for spontaneous muon emission from lead nuclei (2005)
Arrabito, L., Autiero, D., Barbuto, E., Bozza, C., Cecchini, S., Consiglio, L., ...
We describe a possible search for muonic radioactivity from lead nuclei using the base elements ("bricks" composed by lead and nuclear emulsion sheets) of the long-baseline OPERA neutrino experiment....
High-speed particle tracking in nuclear emulsion by last-generation automatic microscopes (2005)
Armenise, N., De Serio, M., Ieva, M., Muciaccia, M.T., Pastore, A., Simone, S., ...
The technique of nuclear emulsions for high-energy physics experiments is being revived, thanks to the remarkable progress in measurement automation achieved in the past years. The present paper...
Search for spontaneous muon emission from lead nuclei (2005)
Arrabito, L., Autiero, D., Barbuto, E., Bozza, C., Cecchini, S., Consiglio, L., ...
We describe a possible search for muonic radioactivity from lead nuclei using the base elements ("bricks" composed by lead and nuclear emulsion sheets) of the long-baseline OPERA neutrino experiment....
Search for nucleon decays induced by GUT magnetic monopoles with the MACRO experiment (2002)
Battistoni, G., Mufson, S., Nicolò, D., Choudhary, B.C., Maaroufi, F., Lamanna, E., ...
The interaction of a Grand Unification Magnetic Monopole with a nucleon can lead to a barion-number violating process in which the nucleon decays into a lepton and one or more mesons (catalysis of...
Atmospheric neutrino oscillations with the MACRO detector (2002)
Giorgini, M., Coll, For The MACRO
After a short overview of the MACRO detector, located at the Gran Sasso Laboratory, I shall present and discuss the results on atmospheric muon neutrino oscillations, concerning low ( ~ 4 GeV) and...
Cecchini, S, Giacomelli, G, Giorgini, M, Mandrioli, G, Patrizii, L, Popa, V, ...
We report the measurement of the fragmentation cross sections in high-energy nucleus-nucleus collisions using the 158 A GeV Pb beam from the CERN-SPS. The fragments have charges changed from that of...
Cecchini, S., Giacomelli, G., Giorgini, M., Mandrioli, G., Patrizii, L., Popa, V., ...
We report the measurement of the fragmentation cross sections in high-energy nucleus-nucleus collisions using the 158 A GeV Pb beam from the CERN-SPS. The fragments have charges changed from that of...
Atmospheric neutrino oscillations (2002)
Giacomelli, G., Giorgini, M., Spurio, M.
The recent results from the Soudan 2, MACRO and SuperKamiokande experiments on atmospheric neutrino oscillations are summarized and discussed. Some features of possible future atmospheric neutrino...
Atmospheric neutrino oscillations in MACRO (2001)
Giacomelli, G., Giorgini, M., Collaboration, For The MACRO
In this paper we first give a short overview of the MACRO detector, which was operational at the Gran Sasso Laboratory from 1989 till 2000. Then we present and discuss the results on atmospheric...
New calibrations and time stability of the response of the INTERCAST CR-39 (2001)
Cecchini, S, Giacomelli, Giorgio, Giorgini, M, Patrizii, L, Serra, P
We present new calibrations of different production batches (from 1989 to 1999) of the INTERCAST CR-39, using the BNL-AGS 1 A GeV iron beam. The comparison with previous results, obtained with the...
Fragmentation of very high energy heavy ions (2001)
A stack of CR39 (C12H18O7)n nuclear track detectors with a Cu target was exposed to a 158 A GeV lead ion beam at the CERN-SPS, in order to study the fragmentation properties of lead nuclei....
Fragmentation of very high energy heavy ions (2001)
A stack of CR39 (C12H18O7)n nuclear track detectors with a Cu target was exposed to a 158 A GeV lead ion beam at the CERN-SPS, in order to study the fragmentation properties of lead nuclei....
New calibrations and time stability of the response of the INTERCAST CR-39 (2001)
Cecchini, S., Giacomelli, G., Giorgini, M., Patrizii, L., Serra, P.
We present new calibrations of different production batches (from 1989 to 1999) of the INTERCAST CR-39, using the BNL-AGS 1 A GeV iron beam. The comparison with previous results, obtained with the...
New calibrations and time stability of the response of the INTERCAST CR-39 (2001)
Cecchini, S, Giacomelli, G, Giorgini, M, Patrizii, L, Serra, P
We present new calibrations of different production batches (from 1989 to 1999) of the INTERCAST CR-39, using the BNL-AGS 1 A GeV iron beam. The comparison with previous results, obtained with the...
Fragmentation of very high energy heavy ions (2001)
A stack of CR39 (C12H18O7)n nuclear track detectors with a Cu target was exposed to a 158 A GeV lead ion beam at the CERN-SPS, in order to study the fragmentation properties of lead nuclei....
Magnetic monopole bibliography (2000)
Giacomelli, G., Giorgini, M., Lari, T., Ouchrif, M., Patrizii, L., Popa, V., ...
We present a bibliography compilation on magnetic monopoles updated to include references till the end of year 1999. It is intended to contain nearly all the experimental papers on the subject and...
Search for magnetic monopoles with nuclear track detectors (1999)
This paper describes an experimental search for GUT magnetic monopoles in the MACRO experiment using the nuclear track subdetector CR39. After discussing the working principle, the charge resolution...