G. Giacomelli

Publication List Details

Period

1990 - 2008

Number

1000

Co-Authors

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...

Hadron-nuclei collisions at high energies (2008)

Giacomelli, G.

A brief historical review is made of the hadron-hadron (hh) total cross section and hadron-nucleus absorption cross section measurements, made mainly at high energy proton synchrotrons. Then I shall...

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...

Fragmentation cross sections of Fe^{26+}, Si^{14+} and C^{6+} ions of 0.3-10 A GeV on polyethylene, CR39 and aluminum targets (2008)

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...

Bose-Einstein Correlations in Multihadron Events at LEP (2007)

Ciocca, C., Cuffiani, M., Giacomelli, G.

Bose-Einstein correlations in pairs of identical particles were analyzed in e+ e- multihadron annihilations at ~91.2 GeV at LEP. The first studies involved identical charged pions and the emitting...

Studies of a full-scale mechanical prototype line for the ANTARES neutrino telescope and tests of a prototype instrument for deep-sea acoustic measurements (2007)

AGERON, M, AGUILAR, J, ALBERT, A, AMELI, F, ANGHINOLFI, M, ANTON, G, ...

full-scale mechanical prototype line was deployed to a depth of 2500 m to test the leak tightness of the electronics containers and the pressure-resistant properties of an electromechanical cable...

Measurement of the $e^+ e^- \to W^+ W^-$ cross section and W decay branching fractions at LEP (2007)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...

From a total data sample of 701.1 pb^-1 recorded with e+e- centre-of-mass energies of sqrt = 161-209 GeV with the OPAL detector at LEP, 11693 W-pair candidate events are selected. These data are used...

Bose-Einstein study of position-momentum correlations of charged pions in hadronic Z0 decays (2007)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...

A study of Bose-Einstein correlations in pairs of identically charged pions produced in e+e- annihilations at the Z0 peak has been performed for the first time assuming a non-static emitting source....

The MACRO Experiment at Gran Sasso (2007)

Giacomelli, G., Margiotta, A.

In this overview of the MACRO experiment we recall the structure of the detector and discuss several physics topics: atmospheric neutrinos and neutrino oscillations, high energy neutrino astronomy,...

Search for invisibly decaying Higgs bosons in $e+e- \to Zoho$ production at $\sqrt{s}$ = 183 - 209 GeV (2007)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...

A search is performed for Higgs bosons decaying into invisible final states, produced in association with a Zo boson in e+e- collisions at energies between 183 and 209 GeV. The search is based on...

Search for Dirac Magnetic Monopoles in e+e- Collisions with the OPAL Detector at LEP2 (2007)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...

This letter describes a direct search for pair produced magnetic monopoles in e+e- collisions. The analysis is based on 62.7 pb^-1 of data collected with the OPAL detector at an average...

Inclusive Jet Production in Photon-Photon Collisions at $\sqrt^{s}$ee from 189 to 209 GeV (2007)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...

Inclusive jet production (e+e- -> e+e- +jet+X) is studied in collisions of quasi-real photons radiated by the LEP beams at e+e- centre-of-mass energies sqrt see from 189 to 209 GeV. Jets are...

The ANTARES Optical Beacon System (2007)

Ageron, M., Aguilar, J.A., Albert, A., Ameli, F., Anghinolfi, M., Anton, G., ...

ANTARES is a neutrino telescope being deployed in the Mediterranean Sea. It consists of a three dimensional array of photomultiplier tubes that can detect the Cherenkov light induced by charged...

Track reconstruction in the emulsion-lead target of the OPERA experiment using the ESS microscope (2007)

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...

The CNGS Neutrino Beam (2007)

Giacomelli, G.

The CERN to Gran Sasso Neutrino beam (CNGS) was commissioned at CERN in early August 2006 and was first sent at low intensity to Gran Sasso on August 17, 2006. The Borexino, LVD and OPERA experiments...

Searches for Magnetic Monopoles, Nuclearites and Q-balls (2007)

Giacomelli, G., Manzoor, S., Medinaceli, E., Patrizii, L.

The Searches for classical Dirac Magnetic Monopoles (MMs) at accelerators, for GUT superheavy MMs in the penetrating cosmic radiation and for Intermediate Mass IMMs at high altitudes are discussed....

The data acquisition system for the ANTARES neutrino telescope (2007)

Aguilar, J.A., Albert, A., Ameli, F., Anghinolfi, M., Anton, G., Anvar, S., ...

The ANTARES neutrino telescope is being constructed in the Mediterranean Sea. It consists of a large three-dimensional array of photo-multiplier tubes. The data acquisition system of the detector...

The data acquisition system for the ANTARES neutrino telescope (2007)

Aguilar, J.A., Albert, A., Ameli, F., Anghinolfi, M., Anton, G., Anvar, S., ...

The ANTARES neutrino telescope is being constructed in the Mediterranean Sea. It consists of a large three-dimensional array of photo-multiplier tubes. The data acquisition system of the detector...

The data acquisition system for the ANTARES neutrino telescope (2007)

Aguilar, J.A., Albert, A., Ameli, F., Anghinolfi, M., Anton, G., Anvar, S., ...

The ANTARES neutrino telescope is being constructed in the Mediterranean Sea. It consists of a large three-dimensional array of photo-multiplier tubes. The data acquisition system of the detector...

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...

Transmission of light in deep sea water at the site of the ANTARES neutrino telescope (2007)

Aguilar, J.A., Albert, A., Amram, P., Anghinolfi, M., Anton, G., Anvar, S., ...

The ANTARES neutrino telescope is a large photomultiplier array designed to detect neutrino-induced upward-going muons by their Cherenkov radiation. Understanding the absorption and scattering of...

Transmission of light in deep sea water at the site of the ANTARES neutrino telescope (2007)

Aguilar, J.A., Albert, A., Amram, P., Anghinolfi, M., Anton, G., Anvar, S., ...

The ANTARES neutrino telescope is a large photomultiplier array designed to detect neutrino-induced upward-going muons by their Cherenkov radiation. Understanding the absorption and scattering of...

Transmission of light in deep sea water at the site of the ANTARES neutrino telescope (2007)

Aguilar, J.A., Albert, A., Amram, P., Anghinolfi, M., Anton, G., Anvar, S., ...

The ANTARES neutrino telescope is a large photomultiplier array designed to detect neutrino-induced upward-going muons by their Cherenkov radiation. Understanding the absorption and scattering of...

First results of the Instrumentation Line for the deep-sea ANTARES neutrino telescope (2007)

Aguilar, J.A., Albert, A., Ameli, F., Anghinolfi, M., Anton, G., Anvar, S., ...

In 2005, the ANTARES Collaboration deployed and operated at a depth of 2500 m a so-called Mini Instrumentation Line equipped with Optical Modules (MILOM) at the ANTARES site. The various data...

First results of the Instrumentation Line for the deep-sea ANTARES neutrino telescope (2007)

Aguilar, J.A., Albert, A., Ameli, F., Anghinolfi, M., Anton, G., Anvar, S., ...

In 2005, the ANTARES Collaboration deployed and operated at a depth of 2500 m a so-called Mini Instrumentation Line equipped with Optical Modules (MILOM) at the ANTARES site. The various data...

First results of the Instrumentation Line for the deep-sea ANTARES neutrino telescope (2007)

Aguilar, J.A., Albert, A., Ameli, F., Anghinolfi, M., Anton, G., Anvar, S., ...

In 2005, the ANTARES Collaboration deployed and operated at a depth of 2500 m a so-called Mini Instrumentation Line equipped with Optical Modules (MILOM) at the ANTARES site. The various data...

Inclusive Production of Charged Hadrons in Photon-Photon Collisions (2006)

Abbiendi, G, Åkesson, P F, De Roeck, A, Zivkovic, L, Zer-Zion, D, Yamashita, S, ...

The inclusive production of charged hadrons in the collisions of quasi-real photons e+e- -> e+e- +X has been measured using the OPAL detector at LEP. The data were taken at e+e- centre-of-mass...

Inclusive Production of Charged Hadrons in Photon-Photon Collisions (2006)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K, ...

The inclusive production of charged hadrons in the collisions of quasi-real photons e+e- -> e+e- +X has been measured using the OPAL detector at LEP. The data were taken at e+e- centre-of-mass...

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...

Search for Invisibly Decaying Higgs Bosons with Large Decay Width Using the OPAL Detector at LEP (2006)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...

This paper describes a topological search for an invisibly decaying Higgs boson,H, produced via the Bjorken process (e+e- -> HZ). The analysis is based on data recorded using the OPAL detector at LEP...

Search for neutral MSSM Higgs bosons at LEP (2006)

Achard, P., Adriani, O., Aguilar-Benítez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...

Search for neutral MSSM Higgs bosons at LEP (2006)

Achard, P., Adriani, O., Aguilar-Benítez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...

Search for neutral MSSM Higgs bosons at LEP (2006)

Achard, P., Adriani, O., Aguilar-Benítez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...

The Opera Experiment (2006)

Giacomelli, G., Giorgini, M.

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...

Study of Large Hemispherical Photomultiplier Tubes for the ANTARES Neutrino Telescope (2006)

Aguilar, J.A., Albert, A., Ameli, F., Amram, P., Anghinolfi, M., Anton, G., ...

The ANTARES neutrino telescope, to be immersed depth in the Mediterranean Sea, will consist of a 3 dimensional matrix of 900 large area photomultiplier tubes housed in pressure resistant glass...

Multiplicative noise in the longitudinal mode dynamics of a bulk semiconductor laser (2006)

Pedaci, F., Lepri, S., Balle, S., Giacomelli, G., Giudici, M., Tredicce, J. R.

We analyze theoretically and experimentally the influence of current noise on the longitudinal mode hopping dynamics of a bulk semiconductor laser. It is shown that the mean residence times on each...

Sedimentation and Fouling of Optical Surfaces at the ANTARES Site (2006)

Amram, P., Anghinolfi, M., Ardellier-Desages, F.E., Aslanides, E., Aubert, J.J., Azoulay, R., ...

ANTARES is a project leading towards the construction and deployment of a neutrino telescope in the deep Mediterranean Sea. The telescope will use an array of photomultiplier tubes to detect the...

The ANTARES optical module (2006)

Amram, P., Anghinolfi, M., Anvar, S., Ardellier-Desages, F.E., Aslanides, E., Aubert, J.J., ...

The ANTARES collaboration is building a deep sea neutrino telescope in the Mediterranean Sea. This detector will cover a sensitive area of typically 0.1 km-squared and will be equipped with about...

Search for possible solar neutrino radiative decays during total solar eclipses (2006)

Cecchini, S., Centomo, D., Giacomelli, G., Giacomelli, R., Popa, V.

Total solar eclipses (TSEs) offer a good opportunity to look for photons produced in possible radiative decays of solar neutrinos. In this paper we briefly review the physics bases of such searches...

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...

QCD coherence and correlations of particles with restricted momenta in hadronic Z decays (2006)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...

QCD coherence effects are studied based on measurements of correlations of particles with either restricted transverse momenta, pT

QCD coherence and correlations of particles with restricted momenta in hadronic Z decays (2006)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Anagnostou, G, Anderson, K J, ...

QCD coherence effects are studied based on measurements of correlations of particles with either restricted transverse momenta, pT

Multiplicative noise in the longitudinal mode dynamics of a bulk semiconductor laser (2006)

Pedaci, F., Lepri, S., Balle, S., Giacomelli, G., Giudici, M., Tredicce, J. R.

We analyze theoretically and experimentally the influence of current noise on the longitudinal mode hopping dynamics of a bulk semiconductor laser. It is shown that the mean residence times on each...

Precision Electroweak Measurements on the Z Resonance (2006)

Schael, S, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Precision Electroweak Measurements on the Z Resonance (2006)

Schael, S, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

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 Neutral MSSM Higgs Bosons at LEP (2006)

Schael, S, Zivkovic, L, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, ...

The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...

Search for Neutral MSSM Higgs Bosons at LEP (2006)

Schael, S, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The data of the four...