Search

Your search keyword '"G., Cini"' showing total 114 results
Start Over Author "G., Cini" Language english
114 results on '"G., Cini"'

2. Large-P T physics with cosmic-ray events

Author

Aglietta, M., Alessandro, B., Antonioli, P., Arneodo, F., Bergamasco, L., Bertaina, M., Fauth, A. Campos, Castellina, A., Chiavassa, A., Chudakov, A. E., Castagnoli, G. Cini, Piazzoli, B. D'Ettorre, Di Sciascio, G., Fulgione, W., Galeotti, P., Ghia, P. L., Iacovacci, M., Lidvansky, A. S., Mannocchi, G., Melagrana, C., Silva, N. Mengotti, Morello, C., Navarra, G., Nogima, H., Riccati, L., Saavedra, O., Trinchero, G. C., Tizengauzen, V. A., Turtelli, A., Vallania, P., and Vernetto, S.

Published
1995
Full Text
View/download PDF

8. Behavior of the heliosphere over prolonged solar quiet periods by 44Ti measurements in meteorites

Author

Bonino, G., Castagnoli, G. Cini, Taricoo, C., and Bhandari, N.

Subjects
Solar magnetic field -- Research, Meteorites -- Composition -- Research, Science and technology, Composition, Research
Abstract

The heliospheric magnetic field (HMF) is controlled by solar activity, as established by measurements over the last few decades, but its characteristics when the sun was quiet for prolonged periods, such as during Gleissberg or Maunder minima, are not known. Titanium-44, produced in meteorites, provides a monitor of the galactic cosmic ray (GCR) flux and allows estimation of the modulation effect of the sun for the period 1883 to 1992. The titanium-44 activity is consistent with the expected value, but the increase, due to the last Gleissberg minimum, is four times greater than expected for a GCR modulation based solely on sunspot numbers. This result implies that the HMF was weaker than at present and as a result the GCR flux (for energy greater than 1 gigaelectron volt) was higher between 2.2 to 3.6 protons per square centimeter per second per 4π steradians at 1 to 3 astronomical units in solar cycles 12 to 15., Production of cosmogenic radioisotopes in meteorites depends on the GCR flux, which is controlled by the HMF which, in turn, depends on solar activity. GCR flux is inversely correlated with [...]

Published
1995

9. The cosmic ray proton,helium and CNO fluxes in the 100 TeV energy region from TeV muons and EAS atmospheric Cherenkov light observations of MACRO and EAS-TOP

Author

G. Giannini, F. Maaroufi, Ioannis Katsavounidis, G. C. Barbarino, G. Mandrioli, N. Giglietto, G. Mancarella, J. Reynoldson, Eugenio Scapparone, M. De Vincenzi, L. Perrone, Teresa Montaruli, Gregory Tarle, L. R. Sulak, G. Battistoni, M. Cozzi, L. Patrizii, G. Cini, Hyun-Chul Kim, A. A. Grillo, V. Popa, Pietro Antonioli, F.J. Ronga, M. Ambrosio, Mario Sitta, C. Gustavino, F. Arneodo, H. Dekhissi, R. Nolty, S. Cecchini, Carlo Vigorito, A. Chiavassa, S. L. Mufson, M. Spinetti, C. Favuzzi, Donato Nicolo, M. Iacovacci, I. De Mitri, M. Vakili, R. Antolini, M. Giorgini, M. J. Longo, B. C. Choudhary, C. Satriano, G. de Cataldo, G. Navarra, C. R. Bower, R.M. Heinz, R. Caruso, E. Katsavounidis, F. Guarino, Kate Scholberg, Giuseppe Osteria, A. Marzari-Chiesa, D. Martello, E. Kearns, S. Petrera, P. Fusco, Marco Monteno, J. L. Stone, C. De Marzo, S. Valchierotti, O. Saavedra, J. Derkaoui, A. Stamerra, Vincenzo Patera, M. E. Bertaina, L. Bergamasco, C. Forti, P. Spinelli, Andrea Carlo Marini, Kael Hanson, Marco Aglietta, C. Orth, F. Loparco, R. Pazzi, Severino Angelo Maria Bussino, J. A. Musser, A. Sciubba, Np Longley, G. Giacomelli, M. Brigida, A. Baldini, P. Galeotti, C. E. Lane, O. Erriquez, Maurizio Spurio, O. Palamara, B. C. Barish, S. Vernetto, P. L. Ghia, D. Campana, C. W. Peck, G. Sirri, E. Lamanna, Tommaso Chiarusi, Alec Habig, M. Grassi, D. G. Michael, M. Carboni, A. Rainò, C. Morello, C. Bemporad, W. Fulgione, F. Cafagna, R. Steinberg, M. N. Mazziotta, Maximiliano Sioli, Yvonne Becherini, Fabrizio Cei, G. Mannocchi, A. Di Credico, S. Kyriazopoulou, P. Vallania, V. Togo, Bruno Alessandro, Roberto Bellotti, D. Levin, A. Surdo, R. C. Webb, P. Bernardini, B. D'Ettorre Piazzoli, Antonella Castellina, Annarita Margiotta, Carlotta Castagnoli, M. Calicchio, Halina Bilokon, V. Chiarella, P. Monacelli, S. Coutu, G. C. Trinchero, E. Iarocci, G. Di Sciascio, Paolo Lipari, C. W. Walter, Aglietta M., Alessandro B., Antonioli P., Arneodo F., Bergamasco L., Bertaina M., Castagnoli C., Castellina A., Chiavassa A., Cini G., D'Ettorre Piazzoli B., di Sciascio G., Fulgione W., Galeotti P., Ghia P. L., Iacovacci M., Mannocchi G., Morello C., Navarra G., Saavedra O., Stamerra A., Trinchero G. C., Valchierotti S., Vallania P., Vernetto S., Vigorito C., Ambrosio M., Antolini R., Baldini A., Barbarino G. C., Barish B. C., Battistoni G., Becherini Y., Bellotti R., Bemporad C., Bernardini P., Bilokon H., Bower C., Brigida M., Bussino S., Cafagna F., Calicchio M., Campana D., Carboni M., Caruso R., Cecchini S., Cei F., Chiarella V., Chiarusi T., Choudhary B. C., Coutu S., Cozzi M., de Cataldo G., Dekhissi H., de Marzo C., de Mitri I., Derkaoui J., de Vincenzi M., di Credico A., Erriquez O., Favuzzi C., Forti C., Fusco P., Giacomelli G., Giannini G., Giglietto N., Giorgini M., Grassi M., Grillo A., Guarino F., Gustavino C., Habig A., Hanson K., Heinz R., Iarocci E., Katsavounidis E., Katsavounidis I., Kearns E., Kim H., Kyriazopoulou S., Lamanna E., Lane C., Levin D. S., Lipari P., Longley N. P., Longo M. J., Loparco F., Maaroufi F., Mancarella G., Mandrioli G., Margiotta A., Marini A., Martello D., Marzari-Chiesa A., Mazziotta M. N., Michael D. G., Monacelli P., Montaruli T., Monteno M., Mufson S., Musser J., Nicolò D., Nolty R., Orth C., Osteria G., Palamara O., Patera V., Patrizii L., Pazzi R., Peck C. W., Perrone L., Petrera S., Popa V., Rainò A., Reynoldson J., Ronga F., Satriano C., Scapparone E., Scholberg K., Sciubba A., Sioli M., Sirri G., Sitta M., Spinelli P., Spinetti M., Spurio M., Steinberg R., Stone J. L., Sulak L. R., Surdo A., Tarlé G., Togo V., Vakili M., Walter C. W., Webb R., M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, M., Bertaina, C., Castagnoli, A., Castellina, A., Chiavassa, G., Cini, B., D'Ettorre Piazzoli, G., Di Sciascio, W., Fulgione, P., Galeotti, P. L., Ghia, M., Iacovacci, G., Mannocchi, C., Morello, G., Navarra, O., Saavedra, A., Stamerra, G. C., Trinchero, S., Valchierotti, P., Vallania, S., Vernetto, C., Vigorito, M., Ambrosio, R., Antolini, A., Baldini, G. C., Barbarino, B. C., Barish, G., Battistoni, Y., Becherini, R., Bellotti, C., Bemporad, Bernardini, Paolo, H., Bilokon, C., Bower, M., Brigida, S., Bussino, F., Cafagna, M., Calicchio, D., Campana, M., Carboni, R., Caruso, S., Cecchini, F., Cei, V., Chiarella, T., Chiarusi, B. C., Choudhary, S., Coutu, M., Cozzi, G., De Cataldo, H., Dekhissi, C., De Marzo, DE MITRI, Ivan, J., Derkaoui, M., De Vincenzi, A., Di Credico, O., Erriquez, C., Favuzzi, C., Forti, P., Fusco, G., Giacomelli, G., Giannini, N., Giglietto, M., Giorgini, M., Grassi, A., Grillo, F., Guarino, C., Gustavino, A., Habig, K., Hanson, R., Heinz, E., Iarocci, E., Katsavounidi, I., Katsavounidi, E., Kearn, H., Kim, S., Kyriazopoulou, E., Lamanna, C., Lane, D. S., Levin, P., Lipari, N. P., Longley, M. J., Longo, F., Loparco, F., Maaroufi, Mancarella, Giovanni, G., Mandrioli, A., Margiotta, A., Marini, Martello, Daniele, A., Marzari Chiesa, M. N., Mazziotta, D. G., Michael, P., Monacelli, T., Montaruli, M., Monteno, S., Mufson, J., Musser, D., Nicolo', R., Nolty, C., Orth, G., Osteria, O., Palamara, V., Patera, L., Patrizii, R., Pazzi, C. W., Peck, Perrone, Lorenzo, S., Petrera, V., Popa, A., Raino', J., Reynoldson, F., Ronga, C., Satriano, E., Scapparone, K., Scholberg, A., Sciubba, M., Sioli, G., Sirri, M., Sitta, P., Spinelli, M., Spinetti, M., Spurio, R., Steinberg, J. L., Stone, L. R., Sulak, A., Surdo, G., Tarle', V., Togo, M., Vakili, C. W., Walter, R., Webb, D'ETTORRE PIAZZOLI, Benedetto, Iacovacci, Michele, Aglietta, M, Alessandro, B, Antonioli, P, Arneodo, F, Bergamasco, L, Bertaina, M, Castagnoli, C, Castellina, A, Chiavassa, A, Cini, G, Piazzoli, Bd, Di Sciascio, G, Fulgione, W, Galeotti, P, Ghia, Pl, Iacovacci, M, Mannocchi, G, Morello, C, Navarra, G, Saavedra, O, Stamerra, A, Trinchero, Gc, Valchierotti, S, Vallania, P, Vernetto, S, Vigorito, C, Ambrosio, M, Antolini, R, Baldini, A, Barbarino, Gc, Barish, Bc, Battistoni, G, Becherini, Y, Bellotti, R, Bemporad, C, Bernardini, P, Bilokon, H, Bower, C, Brigida, M, Bussino, Severino Angelo Maria, Cafagna, F, Calicchio, M, Campana, D, Carboni, M, Caruso, R, Cecchini, S, Cei, F, Chiarella, V, Chiarusi, T, Choudhary, Bc, Coutu, S, Cozzi, M, De Cataldo, G, Dekhissi, H, De Marzo, C, De Mitri, I, Derkaoui, J, De Vincenzi, M, Di Credico, A, Erriquez, O, Favuzzi, C, Forti, C, Fusco, P, Giacomelli, G, Giannini, G, Giglietto, N, Giorgini, M, Grassi, M, Grillo, A, Guarino, F, Gustavino, C, Habig, A, Hanson, K, Heinz, R, Iarocci, E, Katsavounidis, E, Katsavounidis, I, Kearns, E, Kim, H, Kyriazopoulou, S, Lamanna, E, Lane, C, Levin, D, Lipari, P, Longley, Np, Longo, Mj, Loparco, F, Maaroufi, F, Mancarella, G, Mandrioli, G, Margiotta, A, Marini, A, Martello, D, Marzari Chiesa, A, Mazziotta, Mn, Michael, Dg, Monacelli, P, Montaruli, T, Monteno, M, Mufson, S, Musser, J, Nicolo, D, Nolty, R, Orth, C, Osteria, G, Palamara, O, Patera, V, Patrizii, L, Pazzi, R, Peck, Cw, Perrone, L, Petrera, S, Popa, V, Raino, A, Reynoldson, J, Ronga, F, Satriano, C, Scapparone, E, Scholberg, K, Sciubba, A, Sioli, M, Sirri, G, Sitta, M, Spinelli, P, Spinetti, M, Spurio, M, Steinberg, R, Stone, Jl, Sulak, Lr, Surdo, A, Tarle, G, Togo, V, Vakili, M, Walter, Cw, Webb, R., Guarino, Fausto, Barbarino, Giancarlo, Macro, and EAS TOP, Collaborations

Subjects
Proton, EAS-TOP, Astrophysics::High Energy Astrophysical Phenomena, Hadron, chemistry.chemical_element, Cosmic ray, MACRO, Nuclear physics, Raggi cosmici, cosmic rays, Cosmic rays, composition, high energies, extensive air showers, underground muons, Cherenkov radiation, Helium, Astroparticle physics, Physics, Muon, Cherenkov detectors, Astronomy and Astrophysics, Sciami estesi, chemistry, Muoni sotterranei, Physics::Accelerator Physics, High Energy Physics::Experiment, Nucleon, Composizione
Abstract

The primary cosmic ray (CR) proton, helium and CNO fluxes in the energy range 80-300 TeV are studied at the National Gran Sasso Laboratories by means of EAS-TOP (Campo Imperatore, 2005 m a.s.l.) and MACRO (deep underground, 3100 m w.e., the surface energy threshold for a muon reaching the detector being E-mu(th) approximate to 1.3 TeV). The measurement is based on: (a) the selection of primaries based on their energy/nucleon (i.e., with energy/nucleon sufficient to produce a muon with energy larger than 1.3 TeV) and the reconstruction of the shower geometry by means of the muons recorded by MACRO in the deep underground laboratories; (b) the detection of the associated atmospheric Cherenkov light (C.l.) signals by means of the C.l. detector of EAS-TOP. The C.l. density at core distance r > 100 m is directly related to the total primary energy E-0. Proton and helium ("p + He") and proton, helium and CNO ("p + He + CNO") primaries are thus selected at E-0 approximate to 80 TeV, and at E-0 similar or equal to 250 TeV, respectively. Their flux is measured: J(p+He)(80 TeV) = (1.8 +/- 0.4) x 10(-6) m(-1)-s(-1) sr(-1) TeV-1, and J(p+He+CNO)(250 TeV) = (1.1 +/- 0.3) x 10(-7) m(-2)-s(-1) sr(-1) TeV-1, their relative weights being J(p+He)(J(p+He+CNO)) over bar (250 TeV) = 0.78 +/- 0.17. By using the measurements of the proton spectrum obtained from the direct experiments and hadron flux data in the atmosphere, we obtain for the relative weights of the three components at 250 TeV: J(p) : J(He) : J(CNO) = (0.20 +/- 0.08) : (0.58 +/- 0.19) : (0.22 +/- 0.17). This corresponds to the dominance of helium over proton primaries at 100-1000 TeV, and a possible non-negligible contribution from CNO. The lateral distribution of Cherenkov light in Extensive Air Showers (EASs), which is related to the rate of energy deposit of the primary in the atmosphere, is measured for a selected proton and helium primary beam, and good agreement is found when compared with the one calculated with the CORSIKA/QGSJET simulation model. (C) 2004 Elsevier B.V. All rights reserved.

Published
2004

10. The cosmic ray proton, helium and CNO fluxes in the 100-TeV energy region from TeV muons and EAS atmospheric Cherenkov light observations of MACRO and EAS-TOP

Author

M. AGLIETTA, B. ALESSANDRO, P. ANTONIOLI, F. ARNEODO, L. BERGAMASCO, M. BERTAINA, C. CASTAGNOLI, A. CASTELLINA, A. CHIAVASSA, G. CINI CASTAGNOLI, B. D'ETTORRE PIAZZOLI, G. DI SCIASCIO, W. FULGIONE, P. GALEOTTI, P. L. GHIA, M. IACOVACCI, G. MANNOCCHI, C. MORELLO, G. NAVARRA, O. SAAVEDRA, A. STAMERRA, G. C. TRINCHERO, S. VALCHIEROTTI, P. VALLANIA, S. VERNETTO, C. VIGORITO, M. AMBROSIO, R. ANTOLINI, A. BALDINI, G. C. BARBARINO, B. C. BARISH, G. BATTISTONI, Y. BECHERINI, R. BELLOTTI, C. BEMPORAD, P. BERNARDINI, H. BILOKON, C. BOWER, M. BRIGIDA, BUSSINO, Severino Angelo Maria, F. CAFAGNA, M. CALICCHIO, D. CAMPANA, M. CARBONI, R. CARUSO, S. CECCHINI, F. CEI, V. CHIARELLA, T. CHIARUSI, B. C. CHOUDHARY, S. COUTU, M. COZZI, G. DE CATALDO, H. DEKHISSI, C. DE MARZO, I. DE MITRI, J. DERKAOUI, A. DI CREDICO, O. ERRIQUEZ, C. FAVUZZI, C. FORTI, P. FUSCO, G. GIACOMELLI, G. GIANNINI, N. GIGLIETTO, M. GIORGINI, M. GRASSI, A. GRILLO, F. GUARINO, C. GUSTAVINO, ALEC HABIG, K. HANSON, R. HEINZ, E. IAROCCI, E. KATSAVOUNIDIS, I. KATSAVOUNIDIS, E. KEARNS, H. KIM, S. KYRIAZOPOULOU, E. LAMANNA, CHARLES E. LANE, D. S. LEVIN, P. LIPARI, N. P. LONGLEY, M. J. LONGO, F. LOPARCO, F. MAAROUFI, G. MANCARELLA, G. MANDRIOLI, A. MARGIOTTA, A. MARINI, D. MARTELLO, A. MARZARI CHIESA, M. N. MAZZIOTTA, D. G. MICHAEL, P. MONACELLI, T. MONTARULI, M. MONTENO, STUART L. MUFSON, J. MUSSER, D. NICOLO, R. NOLTY, C. ORTH, G. OSTERIA, O. PALAMARA, V. PATERA, L. PATRIZII, R. PAZZI, C. W. PECK, L. PERRONE, S. PETRERA, V. POPA, A. RAINO, J. REYNOLDSON, F. RONGA, C. SATRIANO, E. SCAPPARONE, K. SCHOLBERG, A. SCIUBBA, M. SIOLI, G. SIRRI, M. SITTA, P. SPINELLI, M. SPINETTI, M. SPURIO, R. STEINBERG, J. L. STONE, L. R. SULAK, A. SURDO, G. TARLE, V. TOGO, M. VAKILI, C. W. WALTER, R. WEBB, DE VINCENZI, Mario, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, M., Bertaina, C., Castagnoli, A., Castellina, A., Chiavassa, G., CINI CASTAGNOLI, B., D'ETTORRE PIAZZOLI, G., DI SCIASCIO, W., Fulgione, P., Galeotti, P. L., Ghia, M., Iacovacci, G., Mannocchi, C., Morello, G., Navarra, O., Saavedra, A., Stamerra, G. C., Trinchero, S., Valchierotti, P., Vallania, S., Vernetto, C., Vigorito, M., Ambrosio, R., Antolini, A., Baldini, G. C., Barbarino, B. C., Barish, G., Battistoni, Y., Becherini, R., Bellotti, C., Bemporad, P., Bernardini, H., Bilokon, C., Bower, M., Brigida, Bussino, Severino Angelo Maria, F., Cafagna, M., Calicchio, D., Campana, M., Carboni, R., Caruso, S., Cecchini, F., Cei, V., Chiarella, T., Chiarusi, B. C., Choudhary, S., Coutu, M., Cozzi, G., DE CATALDO, H., Dekhissi, C., DE MARZO, I., DE MITRI, J., Derkaoui, DE VINCENZI, Mario, A., DI CREDICO, O., Erriquez, C., Favuzzi, C., Forti, P., Fusco, G., Giacomelli, G., Giannini, N., Giglietto, M., Giorgini, M., Grassi, A., Grillo, F., Guarino, C., Gustavino, Alec, Habig, K., Hanson, R., Heinz, E., Iarocci, E., Katsavounidi, I., Katsavounidi, E., Kearn, H., Kim, S., Kyriazopoulou, E., Lamanna, CHARLES E., Lane, D. S., Levin, P., Lipari, N. P., Longley, M. J., Longo, F., Loparco, F., Maaroufi, G., Mancarella, G., Mandrioli, A., Margiotta, A., Marini, D., Martello, A., MARZARI CHIESA, M. N., Mazziotta, D. G., Michael, P., Monacelli, T., Montaruli, M., Monteno, STUART L., Mufson, J., Musser, D., Nicolo, R., Nolty, C., Orth, G., Osteria, O., Palamara, V., Patera, L., Patrizii, R., Pazzi, C. W., Peck, L., Perrone, S., Petrera, V., Popa, A., Raino, J., Reynoldson, F., Ronga, C., Satriano, E., Scapparone, K., Scholberg, A., Sciubba, M., Sioli, G., Sirri, M., Sitta, P., Spinelli, M., Spinetti, M., Spurio, R., Steinberg, J. L., Stone, L. R., Sulak, A., Surdo, G., Tarle, V., Togo, M., Vakili, C. W., Walter, and R., Webb

Subjects
Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Experiment
Abstract

The primary cosmic ray (CR) proton, helium and CNO fluxes in the energy range 80-300 TeV are studied at the National Gran Sasso Laboratories by means of EAS-TOP (Campo Imperatore, 2005 m a.s.l.) and MACRO (deep underground, 3100 m w.e., the surface energy threshold for a muon reaching the detector being Eμth~1.3 TeV). The measurement is based on: (a) the selection of primaries based on their energy/nucleon (i.e., with energy/nucleon sufficient to produce a muon with energy larger than 1.3 TeV) and the reconstruction of the shower geometry by means of the muons recorded by MACRO in the deep underground laboratories; (b) the detection of the associated atmospheric Cherenkov light (C.l.) signals by means of the C.l. detector of EAS-TOP. The C.l. density at core distance r>100 m is directly related to the total primary energy E0. Proton and helium (``p+He'') and proton, helium and CNO (``p+He+CNO'') primaries are thus selected at E0~=80 TeV, and at E0~=250 TeV, respectively. Their flux is measured: Jp+He(80TeV)=(1.8+/-0.4)×10-6 m-2s-1sr-1TeV-1, and Jp+He+CNO(250TeV)=(1.1+/-0.3)×10-7 m-2s-1sr-1TeV-1, their relative weights being: Jp+He/Jp+He+CNO(250TeV)=0.78+/-0.17. By using the measurements of the proton spectrum obtained from the direct experiments and hadron flux data in the atmosphere, we obtain for the relative weights of the three components at 250 TeV: Jp:JHe:JCNO=(0.20+/-0.08):(0.58+/-0.19):(0.22+/-0.17). This corresponds to the dominance of helium over proton primaries at 100-1000 TeV, and a possible non-negligible contribution from CNO. The lateral distribution of Cherenkov light in Extensive Air Showers (EASs), which is related to the rate of energy deposit of the primary in the atmosphere, is measured for a selected proton and helium primary beam, and good agreement is found when compared with the one calculated with the CORSIKA/QGSJET simulation model.

Published
2004

11. The Primary cosmic ray composition between 10**15 and 10**16 eV from extensive air showers electromagnetic and TeV muon data

Author

M. AGLIETTA, B. ALESSANDRO, P. ANTONIOLI, F. ARNEODO, L. BERGAMASCO, M. BERTAINA, C. CASTAGNOLI, A. CASTELLINA, A. CHIAVASSA, G. CINI, B. D'ETTORRE PIAZZOLI, G. DI SCIASCIO, W. FULGIONE, P. GALEOTTI, P. L. GHIA, M. IACOVACCI, G. MANNOCCHI, C. MORELLO, G. NAVARRA, O. SAAVEDRA, A. STAMERRA, G. C. TRINCHERO, S. VALCHIEROTTI, P. VALLANIA, S. VERNETTO, C. VIGORITO, M. AMBROSIO, R. ANTOLINI, A. BALDINI, G. C. BARBARINO, B. C. BARISH, GIUESEPP BATTISTONI, R. BELLOTTI, C. BEMPORAD, P. BERNARDINI, H. BILOKON, C. BLOISE, C. BOWER, M. BRIGIDA, F. CAFAGNA, D. CAMPANA, M. CARBONI, S. CECCHINI, F. CEI, B. C. CHOUDHARY, S. COUTU, G. DE CATALDO, H. DEKHISSI, C. DE MARZO, I. DE MITRI, A. DI CREDICO, C. FORTI, P. FUSCO, G. GIACOMELLI, G. GIANNINI, N. GIGLIETTO, M. GIORGINI, M. GRASSI, A. GRILLO, C. GUSTAVINO, ALEC HABIG, K. HANSON, R. HEINZ, E. IAROCCI, E. KATSAVOUNIDIS, I. KATSAVOUNIDIS, E. KEARNS, H. KIM, S. KYRIAZOPOULOU, E. LAMANNA, CHARLES E. LANE, D. S. LEVIN, P. LIPARI, M. J. LONGO, F. LOPARCO, F. MAAROUFI, G. MANCARELLA, G. MANDRIOLI, A. MARGIOTTA, A. MARINI, D. MARTELLO, A. MARZARI CHIESA, M. N. MAZZIOTTA, D. G. MICHAEL, P. MONACELLI, T. MONTARULI, M. MONTENO, STUART L. MUFSON, J. MUSSER, D. NICOLO, R. NOLTY, C. ORTH, G. OSTERIA, O. PALAMARA, V. PATERA, L. PATRIZII, R. PAZZI, C. W. PECK, L. PERRONE, S. PETRERA, V. POPA, A. RAINO, J. REYNOLDSON, F. RONGA, C. SATRIANO, E. SCAPPARONE, K. SCHOLBERG, A. SCIUBBA, M. SIOLI, M. SITTA, P. SPINELLI, M. SPINETTI, M. SPURIO, R. STEINBERG, J. L. STONE, L. R. SULAK, A. SURDO, G. TARLE, V. TOGO, M. VAKILI, C. W. WALTER, R. WEBB, DE VINCENZI, Mario, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, M., Bertaina, C., Castagnoli, A., Castellina, A., Chiavassa, G., Cini, B., D'ETTORRE PIAZZOLI, G., DI SCIASCIO, W., Fulgione, P., Galeotti, P. L., Ghia, M., Iacovacci, G., Mannocchi, C., Morello, G., Navarra, O., Saavedra, A., Stamerra, G. C., Trinchero, S., Valchierotti, P., Vallania, S., Vernetto, C., Vigorito, M., Ambrosio, R., Antolini, A., Baldini, G. C., Barbarino, B. C., Barish, Giuesepp, Battistoni, R., Bellotti, C., Bemporad, P., Bernardini, H., Bilokon, C., Bloise, C., Bower, M., Brigida, F., Cafagna, D., Campana, M., Carboni, S., Cecchini, F., Cei, B. C., Choudhary, S., Coutu, G., DE CATALDO, H., Dekhissi, C., DE MARZO, I., DE MITRI, DE VINCENZI, Mario, A., DI CREDICO, C., Forti, P., Fusco, G., Giacomelli, G., Giannini, N., Giglietto, M., Giorgini, M., Grassi, A., Grillo, C., Gustavino, Alec, Habig, K., Hanson, R., Heinz, E., Iarocci, E., Katsavounidi, I., Katsavounidi, E., Kearn, H., Kim, S., Kyriazopoulou, E., Lamanna, CHARLES E., Lane, D. S., Levin, P., Lipari, M. J., Longo, F., Loparco, F., Maaroufi, G., Mancarella, G., Mandrioli, A., Margiotta, A., Marini, D., Martello, A., MARZARI CHIESA, M. N., Mazziotta, D. G., Michael, P., Monacelli, T., Montaruli, M., Monteno, STUART L., Mufson, J., Musser, D., Nicolo, R., Nolty, C., Orth, G., Osteria, O., Palamara, V., Patera, L., Patrizii, R., Pazzi, C. W., Peck, L., Perrone, S., Petrera, V., Popa, A., Raino, J., Reynoldson, F., Ronga, C., Satriano, E., Scapparone, K., Scholberg, A., Sciubba, M., Sioli, M., Sitta, P., Spinelli, M., Spinetti, M., Spurio, R., Steinberg, J. L., Stone, L. R., Sulak, A., Surdo, G., Tarle, V., Togo, M., Vakili, C. W., Walter, and R., Webb

Published
2004

19. The hadron calorimeter of EAS-TOP: operation, calibration and resolution

Author

A. Castellina, P. Vallania, F. Arneodo, A. Chiavassa, C. Morello, L. Bergamasco, R. Bertoni, M. Aglietta, Carlotta Castagnoli, A. Campos Fauth, O. Saavedra, R. Adinolfi Falcone, P.L. Ghia, M. E. Bertaina, Pietro Antonioli, W. Fulgione, E. Tatananni, B. D'Ettorre Piazzoli, Bruno Alessandro, G. Cini Castagnoli, M. Iacovacci, G. Navarra, G.C. Trinchero, S. Vernetto, L. Riccati, G. Mannocchi, A. Giuliano, P. Galeotti, G. Di Sciascio, Carlo Vigorito, Helio Nogima, R. A., Falcone, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, M., Bertaina, R., Bertoni, A. C., Fauth, C., Castagnoli, A., Castellina, A., Chiavassa, G. C., Castagnoli, D'ETTORRE PIAZZOLI, Benedetto, G. D., Sciascio, W., Fulgione, P., Galeotti, P. L., Ghia, A., Giuliano, Iacovacci, Michele, G., Mannocchi, C., Morello, G., Navarra, H., Nogima, L., Riccati, O., Saavedra, E., Tatananni, G. C., Trinchero, P., Vallania, S., Vernetto, C., Vigorito, R., Adinolfi Falcone, A., Campos Fauth, G., Cini Castagnoli, and G., Di Sciascio

Subjects
Physics, Nuclear and High Energy Physics, Range (particle radiation), Calorimeter (particle physics), Physics::Instrumentation and Detectors, Calibration curve, Astrophysics::High Energy Astrophysical Phenomena, Resolution (electron density), Hadron, GRAN-SASSO, Nuclear physics, PHYSICS, COSMIC-RAY EVENTS, Calibration, High Energy Physics::Experiment, Detectors and Experimental Techniques, Nuclear Experiment, Instrumentation, Energy (signal processing), Beam (structure)
Abstract

We describe and discuss the operation, calibration and stability of the EAS-TOP calorimeter (Campo Imperatore, National Gran Sasso Laboratories), a large area hadron and muon detector devoted to cosmic-ray physics. It consists of iron slabs (for a total thickness of 818 g cm(-2)) and Iarocci tubes as sensitive layers, operating in the streamer mode and the "quasi proportional" regime. Using a model describing the operation of the "quasi proportional" chambers, we derive a calibration curve in the energy range 50-5000 GeV, whose reliability has been indirectly checked through on-site measurements, by means of an accelerator beam run (up to similar or equal to 600-700 GeV) and by comparing the model predictions on hadron shower transition curves with the data. (C) 1999 Elsevier Science B.V. All rights reserved.

Published
1999

20. Search for high energy GRBs with EASTOP

Author

Carlotta Castagnoli, Gian Carlo Trinchero, M. Iacovacci, G. Di Sciascio, Piero Vallania, L. Bergamasco, F. Arneodo, O. Saavedra, A. Chiavassa, B. D'Ettorre Piazzoli, M. E. Bertaina, G. Cini, Bruno Alessandro, Marco Aglietta, C. Morello, G. Mannocchi, Pietro Antonioli, Antonella Castellina, S. Vernetto, G. Navarra, P. Galeotti, W. Fulgione, P. L. Ghia, Carlo Vigorito, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, M., Bertaina, C., Castagnoli, A., Castellina, A., Chiavassa, G., Cini, D'ETTORRE PIAZZOLI, Benedetto, G. D., Sciascio, W., Fulgione, P., Galeotti, P. L., Ghia, Iacovacci, Michele, G., Mannocchi, C., Morello, G., Navarra, O., Saavedra, G. C., Trinchero, P., Vallania, S., Vernetto, and C., Vigorito

Subjects
Physics, High energy, Astrophysics::High Energy Astrophysical Phenomena, Detector, General Physics and Astronomy, Astronomy, Cosmic ray, Astrophysics, Gamma-ray burst, Zenith, Energy (signal processing), Counting rate, Coincidence
Abstract

A search for GRBs of energy E> 10 GeV has been performed by studying the single particle counting rate of the EAS array EASTOP. No candidates have been observed in coincidence with 292 BATSE GRBs and the typical upper limits obtained on the energy fluence are F (10 GeV 1 TeV) 10 4 10 3 erg cm 2 for the events with zenith angle 10 GeV can reach the detector level; although the number of sec- ondary particles is too small to reconstruct the primary direction, GRBs could be detected as a short time increase in the single particle counting rate. The background con- sists of e and generated by low energy cosmic rays. All sources of background modulation have time scales (hours) much larger than the typical GRB duration (sec- onds), hence they do not aect the GRBs search. The EASTOP experiment is running since 1991 at Campo Imperatore in Italy, at 2000 m a.s.l. The ar- ray is devoted to the measurement of the various com- ponents of extensive air showers. In the GRBs search

Published
1999

21. Search For Gamma-ray Bursts of Energy E-gamma-greater-than-or-equal-to-10-gev and E-gamma-greater-than-or-equal-to-100-tev In Correlation With Batse Events

Author

M. AGLIETTA, B. ALESSANDRO, P. ANTONIOLI, F. ARNEODO, L. BERGAMASCO, M. BERTAINA, A. C. FAUTH, A. CASTELLINA, C. CASTAGNOLI, A. CHIAVASSA, G. CINI, G. DISCIASCIO, W. FULGIONE, P. GALEOTTI, P. L. GHIA, G. MANNOCCHI, C. MELAGRANA, C. MORELLO, G. NAVARRA, L. RICCATI, O. SAAVEDRA, G. C. TRINCHERO, P. VALLANIA, S. VERNETTO, D'ETTORRE PIAZZOLI, BENEDETTO, IACOVACCI, MICHELE, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, M., Bertaina, A. C., Fauth, A., Castellina, C., Castagnoli, A., Chiavassa, G., Cini, D'ETTORRE PIAZZOLI, Benedetto, G., Disciascio, W., Fulgione, P., Galeotti, P. L., Ghia, Iacovacci, Michele, G., Mannocchi, C., Melagrana, C., Morello, G., Navarra, L., Riccati, O., Saavedra, G. C., Trinchero, P., Vallania, and S., Vernetto

Subjects
High energy, EASTOP experiment, GRB search
Abstract

We present the results of a search for Gamma Ray Bursts at energies E(gamma) greater than or equal to 10 GeV and E(gamma) greater than or equal to 100 TeV made by the EAS-TOP Air Shower Array in correlation with similar to 50 events detected by BATSE in the last 3 years. This analysis gives an indication of the sensitivity of air shower arrays in the detection of GRBs at energies beyond the range seen by satellite experiments.

Published
1995

22. Results On Candidate Uhe Gamma-ray Sources By the Eas-top Array (1989-1993)

Author

Carlotta Castagnoli, P. L. Ghia, M. Iacovacci, P. Galeotti, B. D'Ettorre Piazzoli, Piero Vallania, F. Arneodo, A. Chiavassa, G. Cini, Antonella Castellina, A. Campos Fauth, O. Saavedra, L. Riccati, Bruno Alessandro, G. Navarra, Marco Aglietta, L. Bergamasco, G. Di Sciascio, G. Mannocchi, S. Vernetto, W. Fulgione, C. Morello, Pietro Antonioli, Gian Carlo Trinchero, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, A. C., Fauth, C., Castagnoli, A., Castellina, A., Chiavassa, G., Cini, D'ETTORRE PIAZZOLI, Benedetto, G., Disciascio, W., Fulgione, P., Galeotti, P. L., Ghia, Iacovacci, Michele, G., Mannocchi, C., Morello, G., Navarra, L., Riccati, O., Saavedra, G. C., Trinchero, P., Vallania, and S., Vernetto

Subjects
Physics, Gamma ray, Northern Hemisphere, Other Fields of Physics, Flux, Astronomy, Astronomy and Astrophysics, Astrophysics, GEMINGA, BURST, CRAB-NEBULA, Crab Nebula, Pulsar, HERCULES-X-1, SEARCH, TEV, RADIATION, EMISSION, Zenith, CYGNUS-X-3
Abstract

A search for UHE gamma-rays from 13 candidate point sources observable in the northern hemisphere (the Crab Nebula and Pulsar, Cygnus X-3, Hercules X-1, Geminga and others) has been performed by the EAS-TOP array during four years of operation since January 1989 to December 1993, at different energy thresholds (E(0) = 30-300 TeV). DC, periodic and sporadic emissions have been studied, and no evidence for significant excesses has been found from any of these searches. The derived 90% c.l. upper limits to the d.c. flux, for a source culminating at the zenith such as Cygnus X-3, are Phi(E > 230 TeV) < 2 x 10(-14) cm(-2) s(-1), Phi(E > 90 TeV) < 4.1 x 10(-14) cm(-2) s(-1) and Phi(E > 25 TeV) < 1.9 x 10(-13) cm(-2) s(-1). The excess from the Crab Nebula of February 23, 1989, as reported by the EAS-TOP, Baksan and KGF arrays, remains the only sporadic excess detected with statistically significant confidence level (probability of background imitation approximate to 10(-5)).

Published
1995

23. Antiproliferative activity of melatonin by transcriptional inhibition of cyclin D1 expression: a molecular basis for melatonin-induced oncostatic effects

Author

Alessandro Provenzani, Valentina Cesati, Maria D'Apolito, Alessandra Pacini, Giovanni Scapagnini, Antonina Fazio, Alessandro Quattrone, Chiara Sassoli, Bruno Neri, G. Cini, and Silvia Quattrone

Subjects
Regulation of gene expression, Reporter gene, Receptor complex, biology, Transcription, Genetic, Cyclin D, Estrogens, Cell cycle, Melatonin, Gene Expression Regulation, Neoplastic, Endocrinology, Cyclin D1, Downregulation and upregulation, Adjuvants, Immunologic, Cell Line, Tumor, medicine, Cancer research, biology.protein, Humans, Female, hormones, hormone substitutes, and hormone antagonists, medicine.drug, Cell Proliferation
Abstract

Melatonin is endowed with a growth inhibitory effect in MCF-7 breast cancer cells whose mechanism has been related to an antiestrogenic activity exerted by inhibition of binding of the estradiol-estrogen receptor complex to its DNA responsive element. Looking for downstream gene determinants of this effect, we performed a transcriptome profiling by high-density microarrays of estrogen-treated MCF-7 cells exposed or not to melatonin. We found that cyclin D1 was one of the main downregulated genes by melatonin. Validation experiments clearly confirm that in MCF-7 cells the estrogen-induced growth inhibitory activity of melatonin is consistently associated with inhibition of estrogen-elicited cyclin D1 induction. This effect is almost purely transcriptional. Reporter gene assays indicate that the same portion of the cyclin D1 promoter which confers estrogen sensitivity, encompassing a potential cAMP responsive element binding site, is repressed by melatonin. Transcriptional downregulation of cyclin D1 is the key molecular event for melatonin's antiproliferative activity, as this activity can be completely and selectively rescued by transient cyclin D1 overexpression. Finally, we provide indirect evidence that the effect of melatonin on the cyclin D1 promoter is mediated by the c-jun and ATF-2 proteins, known to bind the minimal estrogen-sensitive cyclin D1 promoter element. These findings establish for the first time a molecular link between melatonin and its effects on the cell cycle, providing at the same time a rationale for its use in adjuvant chemotherapy.

Published
2005

24. Experimental Eas Data Relevant To Underground Physics - the Eas Size Spectrum and the Rate of Has As A Limit To the Astrophysical Nu-flux

Author

M. AGLIETTA, B. ALESSANDRO, P. ANTONIOLI, F. ARNEODO, V. S. BEREZINSKY, L. BERGAMASCO, C. CASTAGNOLI, A. CASTELLINA, A. CHIAVASSA, G. CINI, G. DISCIASCIO, W. FULGIONE, P. GALEOTTI, P. L. GHIA, G. MANNOCCHI, C. MELAGRANA, C. MORELLO, G. NAVARRA, L. RICCATI, O. SAAVEDRA, G. C. TRINCHERO, P. VALLANIA, S. VERNETTO, D'ETTORRE PIAZZOLI, BENEDETTO, IACOVACCI, MICHELE, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, V. S., Berezinsky, L., Bergamasco, C., Castagnoli, A., Castellina, A., Chiavassa, G., Cini, D'ETTORRE PIAZZOLI, Benedetto, G., Disciascio, W., Fulgione, P., Galeotti, P. L., Ghia, Iacovacci, Michele, G., Mannocchi, C., Melagrana, C., Morello, G., Navarra, L., Riccati, O., Saavedra, G. C., Trinchero, P., Vallania, and S., Vernetto

Subjects
TOP, ARRAY
Abstract

The recent data on the EAS size spectrum, and on the rate of 'Horizontal Air Showers' (HAS), as detected by the EAS-TOP experiment at Campo Imperatore (LNGS), are presented. Their implications for the interpretation of underground muon data, and for UHE neutrino astronomy are discussed.

Published
1994

25. Study of the primary cosmic ray composition around the knee of the energy spectrum

Author

C. W. Peck, G. Giannini, M. Goretti, F. Guarino, G. Liu, R. Baker, A. Marzari Chiesa, A. Corona, N. Giglietto, L. Patrizii, V. Valente, O. Erriquez, M. Severi, Fabrizio Cei, G. Mandrioli, Vincenzo Patera, M. Aglietta, M. Spinetti, J. L. Stone, B. Pavesi, M. Mittelbrun, V. Bisi, C. DeMarzo, C. R. Bower, L. Satta, A. Sciubba, G.C. Trinchero, M. Ambrosio, D. Martello, O. Palamara, Pietro Antonioli, C. Melagrana, C. Bloise, Erik Katsavounidis, B. C. Barish, P. Fusco, P. Serra Lugaresi, M. E. Bertaina, J. A. Musser, D. Ficenec, C. W. Walter, Steven Ahlen, E. Kearns, H. Dekhissi, S. L. Mufson, A. Margiotta-Neri, G. Ludlam, Andrea Carlo Marini, F. Sartogo, M. Iacovacci, P. Pistilli, D. Campana, J. Petrakis, S. Klein, D. G. Michael, P. Bernardini, S. L. Nutter, A. Rainò, C. Morello, G. Cini, M. N. Mazziotta, C. E. Lane, Giuseppe Osteria, A. Sanzgiri, F. Cafagna, G. Mancarella, C. Bemporad, R. Pazzi, J. Reynoldson, Teresa Montaruli, S. Parlati, M. De Mitri, A. Marin, A. Di Credico, Robert A. Cormack, Lawrence Sulak, Kate Scholberg, Paolo Lipari, S. Kyriazopoulou, M. Carboni, A. Campos Fauth, Marco Grassi, Marco Monteno, O. Saavedra, R. Liu, R. C. Webb, C. Okada, Bruno Alessandro, R. Steinberg, Kael Hanson, Maurizio Spurio, A. Surdo, S. Vernetto, L. Bergamasco, G. Battistoni, Edward Diehl, G.L. Sanzani, E. Iarocci, P. Green, R. Nolty, P. Guarnaccia, C. Satriano, S. Cecchini, P. Vallania, P.L. Ghia, Alec Habig, M. Calicchio, Roberto Bellotti, R.M. Heinz, S. Petrera, Halina Bilokon, G. Navarra, G. Mannocchi, G. Di Sciascio, Donato Nicolo, L. Miller, D. Levin, Severino Angelo Maria Bussino, Y. Lu, W. Fulgione, N. D. Pignatano, E. Lamanna, B. D'Ettorre Piazzoli, J. Steele, M. J. Longo, Carlotta Castagnoli, A. Baldini, P. Spinelli, F. Arneodo, G. C. Barbarino, R. Antolini, A. Chiavassa, Eugenio Scapparone, L. Riccati, J. T. Hong, M. De Vincenzi, V. Togo, G. Auriemma, Gregory Tarle, P. Matteuzzi, G. DeCataldo, Mario Sitta, C. Gustavino, A. Castellina, C. Favuzzi, A. A. Grillo, C. Cattadori, V. Chiarella, P. Monacelli, P. Galeotti, S. Coutu, W. A. Worstell, C. Forti, G. Giacomelli, S P Mikheyev, F.J. Ronga, Aglietta, M, Alessandro, B, Antonioli, P, Arneodo, F, Bergamasco, L, Bertaina, M, Fauth, Ac, Castagnoli, C, Castellina, A, Cattadori, C, Chiavassa, A, Cini, G, Piazzoli, Bd, Disciascio, G, Fulgione, W, Galeotti, P, Ghia, Pl, Iacovacci, M, Mannocchi, G, Melagrana, C, Morello, C, Navarra, G, Riccati, L, Saavedra, O, Trinchero, Gc, Vallania, P, Vernetto, S, Ahlen, S, Ambrosio, M, Antolini, R, Auriemma, G, Baker, R, Baldini, A, Barbarino, Gc, Barish, Bc, Battistoni, G, Bellotti, R, Bemporad, C, Bernardini, P, Bilokon, H, Bisi, V, Bloise, C, Bower, C, Bussino, Severino Angelo Maria, Cafagna, F, Calicchio, M, Campana, D, Carboni, M, Cecchini, S, Cei, F, Chiarella, V, Cormack, R, Corona, A, Coutu, S, Decataldo, G, Dekhissi, H, Demarzo, C, Demitri, L, Devincenzi, M, Dicredico, A, Diehl, E, Erriquez, O, Favuzzi, C, Ficenec, D, Forti, C, Fusco, P, Giacomelli, G, Giannini, G, Giglietto, N, Goretti, M, Grassi, M, Green, P, Grillo, A, Guarino, F, Guarnaccia, P, Gustavino, C, Habig, A, Hanson, K, Heinz, R, Hong, Jt, Iarocci, E, Katsavounidis, E, Kearns, E, Klein, S, Kyriazopoulou, S, Lamanna, E, Lane, C, Levin, D, Lipari, P, Liu, G, Liu, R, Longo, Mj, Lu, Y, Ludlam, G, Mancarella, G, Mandrioli, G, Margiottaneri, A, Marin, A, Marini, A, Martello, D, Chiesa, Am, Matteuzzi, P, Mazziotta, Mn, Michael, Dg, Mikheyev, S, Miller, L, Mittelbrun, M, Monacelli, P, Montaruli, T, Monteno, M, Mufson, S, Musser, J, Nicolo, D, Nolty, R, Nutter, S, Okada, C, Osteria, G, Palamara, O, Parlati, S, Patera, V, Patrizii, L, Pavesi, B, Pazzi, R, Peck, Cw, Petrakis, J, Petrera, S, Pignatano, Nd, Pistilli, P, Raino, A, Reynoldson, J, Ronga, F, Sanzani, G, Sanzgiri, A, Sartogo, F, Satriano, C, Satta, L, Scapparone, E, Scholberg, K, Sciubba, A, Lugaresi, P, Severi, M, Sitta, M, Spinelli, P, Spinetti, M, Spurio, M, Steele, J, Steinberg, R, Stone, Jl, Sulak, Lr, Surdo, A, Tarle, G, Togo, V, Valente, V, Walter, Cw, Webb, R, Worstell, W., M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, M., Bertaina, A., Campos Fauth, C., Castagnoli, A., Castellina, C., Cattadori, A., Chiavassa, G., Cini, B., D'Ettorre Piazzoli, G., Di Sciascio, W., Fulgione, P., Galeotti, P. L., Ghia, M., Iacovacci, G., Mannocchi, C., Melagrana, C., Morello, G., Navarra, L., Riccati, O., Saavedra, G. C., Trinchero, P., Vallania, S., Vernetto, S., Ahlen, M., Ambrosio, R., Antolini, G., Auriemma, R., Baker, A., Baldini, G. C., Barbarino, B. C., Barish, G., Battistoni, R., Bellotti, C., Bemporad, P., Bernardini, H., Bilokon, V., Bisi, C., Bloise, C., Bower, S., Bussino, F., Cafagna, M., Calicchio, D., Campana, M., Carboni, S., Cecchini, F., Cei, V., Chiarella, R., Cormack, A., Corona, S., Coutu, G., Decataldo, H., Dekhissi, C., Demarzo, M., De Mitri, M., De Vincenzi, A., Di Credico, E., Diehl, O., Erriquez, C., Favuzzi, D., Ficenec, C., Forti, P., Fusco, G., Giacomelli, G., Giannini, N., Giglietto, M., Goretti, M., Grassi, P., Green, A., Grillo, F., Guarino, P., Guarnaccia, C., Gustavino, A., Habig, K., Hanson, R., Heinz, J. T., Hong, E., Iarocci, E., Katsavounidi, E., Kearn, S., Klein, S., Kyriazopoulou, E., Lamanna, C., Lane, D. S., Levin, P., Lipari, G., Liu, R., Liu, M. J., Longo, Y., Lu, G., Ludlam, Mancarella, Giovanni, G., Mandrioli, A., Margiotta Neri, A., Marin, A., Marini, Martello, Daniele, A., Marzari Chiesa, P., Matteuzzi, M. N., Mazziotta, D. G., Michael, S., Mikheyev, L., Miller, M., Mittelbrun, P., Monacelli, T., Montaruli, M., Monteno, S., Mufson, J., Musser, D., Nicoló, R., Nolty, S., Nutter, C., Okada, G., Osteria, O., Palamara, S., Parlati, V., Patera, L., Patrizii, B., Pavesi, R., Pazzi, C. W., Peck, J., Petraki, S., Petrera, N. D., Pignatano, P., Pistilli, A., Rainó, J., Reynoldson, F., Ronga, G., Sanzani, A., Sanzgiri, F., Sartogo, C., Satriano, L., Satta, E., Scapparone, K., Scholberg, A., Sciubba, P., Serra Lugaresi, M., Severi, M., Sitta, P., Spinelli, M., Spinetti, M., Spurio, J., Steele, R., Steinberg, J. L., Stone, L. R., Sulak, A., Surdo, G., Tarlé, V., Togo, V., Valente, C. W., Walter, R., Webb, W., Worstell, A. C., Fauth, D'ETTORRE PIAZZOLI, Benedetto, G., Disciascio, Iacovacci, Michele, Barbarino, Giancarlo, L., Demitri, M., Devincenzi, A., Dicredico, Guarino, Fausto, G., Mancarella, A., Margiottaneri, D., Martello, A. M., Chiesa, D., Nicolo, A., Raino, P. S., Lugaresi, G., Tarle, Aglietta M., Alessandro B., Antonioli P., Arneodo F., Bergamasco L., Bertaina M., Fauth A.C., Castagnoli C., Castellina A., Cattadori C., Chiavassa A., Cini G., D'Ettorre Piazzoli B., Di Sciascio G., Fulgione W., Galeotti P., Ghia P.L., Iacovacci M., Mannocchi G., Melagrana C., Morello C., Navarra G., Riccati L., Saavedra O., Trinchero G.C., Vallania P., Vernetto S., Ahlen S., Ambrosio M., Antolini R., Auriemma G., Baker R., Baldini A., Barbarino G.C., Barish B.C., Battistoni G., Bellotti R., Bemporad C., Bernardini P., Bilokon H., Bisi V., Bloise C., Bower C., Bussino S., Cafagna F., Calicchio M., Campana D., Carboni M., Cecchini S., Cei F., Chiarella V., Cormack R., Corona A., Coutu S., DeCataldo G., Dekhissi H., DeMarzo C., De Mitri M., De Vincenzi M., Di Credico A., Diehl E., Erriquez O., Favuzzi C., Ficenec D., Forti C., Fusco P., Giacomelli G., Giannini G., Giglietto N., Goretti M., Grassi M., Green P., Grillo A., Guarino F., Guarnaccia P., Gustavino C., Habig A., Hanson K., Heinz R., Hong J.T., Iarocci E., Katsavounidis E., Kearns E., Klein S., Kyriazopoulou S., Lamanna E., Lane C., Levin D.S., Lipari P., Liu G., Liu R., Longo M.J., Lu Y., Ludlam G., Mancarella G., Mandrioli G., Margiotta-Neri A., Marin A., Marini A., Martello D., Chiesa A.M., Matteuzzi P., Mazziotta M.N., Michael D.G., Mikheyev S., Miller L., Mittelbrun M., Monacelli P., Montaruli T., Monteno M., Mufson S., Musser J., Nicolo D., Nolty R., Nutter S., Okada C., Osteria G., Palamara O., Parlati S., Patera V., Patrizii L., Pavesi B., Pazzi R., Peck C.W., Petrakis J., Petrera S., Pignatano N.D., Pistilli P., Raino A., Reynoldson J., Ronga F., Sanzani G., Sanzgiri A., Sartogo F., Satriano C., Satta L., Scapparone E., Scholberg K., Sciubba A., Lugaresi P.S., Severi M., Sitta M., Spinelli P., Spinetti M., Spurio M., Steele J., Steinberg R., Stone J.L., Sulak L.R., Surdo A., Tarle G., Togo V., Valente V., Walter C.W., Webb R., and Worstell W.

Subjects
Nuclear and High Energy Physics, Proton, EAS-TOP, Astrophysics::High Energy Astrophysical Phenomena, Other Fields of Physics, chemistry.chemical_element, Cosmic ray, MACRO, Astrophysics, CASCADES, Coincidence, Spectral line, DEEP-UNDERGROUND MUONS, Nuclear physics, Primary (astronomy), Nuclear Experiment, Helium, Physics, Range (particle radiation), Muon, GRAN-SASSO, MACRO DETECTOR, Astrophysics::Instrumentation and Methods for Astrophysics, Gran Sasso, chemistry, High Energy Physics::Experiment
Abstract

A study of the primary cosmic ray composition in the energy range 5ṡ1014−5ṡ1015 eV is performed through the analysis of the deep underground muons and of the e.m. component of Extensive Air Showers detected in coincidence by the MACRO and EAS-TOP experiments at the Gran Sasso Laboratory. We conclude that: a) pure proton and Iron primary beams are excluded by the experimental data; b) a fraction of nuclei heavier than Helium is necessary to explain the experimental data both below and above the knee; c) a mixed composition, obtained a priori from extrapolations of the spectra directly measured below 100 TeV, yields a reasonable account of the observations up to the knee of the primary spectrum.

Published
1994

26. The Eas-top Atmospheric Cerenkov-light Telescope and Its Combined Operation With the Em Detector

Author

P. L. Ghia, B. D'Ettorre Piazzoli, G. Di Sciascio, Bruno Alessandro, F. Arneodo, M. Iacovacci, S. Vernetto, L. Bergamasco, G. Navarra, G. Mannocchi, Pietro Antonioli, O. Saavedra, P. Vallania, Marco Aglietta, G. Cini, P. Galeotti, L. Riccati, A. Chiavassa, Antonella Castellina, C. Morello, W. Fulgione, G. C. Trinchero, C. Castagnoli, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, C., Castagnoli, A., Castellina, A., Chiavassa, G., Cini, D'ETTORRE PIAZZOLI, Benedetto, G., Disciascio, W., Fulgione, P., Galeotti, P. L., Ghia, Iacovacci, Michele, G., Mannocchi, C., Morello, G., Navarra, L., Riccati, O., Saavedra, G. C., Trinchero, P., Vallania, and S., Vernetto

Subjects
Longitudinal development, Physics, Telescope, law, Cherenkov light detection, Detector, Astronomy, Particle, EASTOP experiment, law.invention
Abstract

The study of extensive air showers is performed at EAS-TOP by means of the combined operation of the first imaging Cerenkov telescope and the particle e.m. array. We discuss the technical characteristics of the Cerenkov detector and its resolutions. First data on the shape of the Cerenkov-light spots as a function of the EAS detection geometry, and on a first approach to the study of the longitudinal development of the cascades are also presented.

Published
1993

27. Eas Cherenkov At Gran Sasso - Correlated Observations At the Surface and With Deep Underground Events

Author

C. Morello, W. Fulgione, P. L. Ghia, Bruno Alessandro, Pietro Antonioli, G. Cini, A. Chiavassa, Marco Aglietta, G. Di Sciascio, C. Castagnoli, P. Galeotti, C. Cattadori, L. Riccati, G. Navarra, G. C. Trinchero, M. Iacovacci, A. Campos Fauth, O. Saavedra, S. Vernetto, G. Mannocchi, B. D'Ettorre Piazzoli, L. Bergamasco, Antonella Castellina, Piero Vallania, F. Arneodo, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, A. C., Fauth, C., Castagnoli, A., Castellina, C., Cattadori, A., Chiavassa, G., Cini, D'ETTORRE PIAZZOLI, Benedetto, G., Disciascio, W., Fulgione, P., Galeotti, P. L., Ghia, Iacovacci, Michele, G., Mannocchi, C., Morello, G., Navarra, L., Riccati, O., Saavedra, G. C., Trinchero, P., Vallania, and S., Vernetto

Subjects
ICARUS, Surface (mathematics), Physics, Muon, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Cosmic ray, Elementary particle, EASTOP experiment, Nuclear physics, ARRAY, High Energy Physics::Experiment, Light emission, Nuclear Experiment, Cherenkov radiation
Abstract

We present the first results of the observations of the atmospheric Cherenkov light emission from Extensive Air Showers, obtained from the EAS-TOP experiment at Campo Imperatore (at the Gran Sasso Laboratory). Data concern measurements at low energies, and the correlations with the e.m. and GeV muon detectors at the surface, and with the events observed deep underground (LVD detector).

Published
1992

29. Measurement of the cosmic ray hadron spectrum up to 30 TeV at mountain altitude: the primary proton spectrum

Author

O. Saavedra, C. Morello, P.L. Ghia, C. Castagnoli, F. Arneodo, A. Castellina, P. Galeotti, B. D'Ettorre Piazzoli, G. Cini Castagnoli, Carlo Vigorito, Pietro Antonioli, G. Mannocchi, P. Vallania, W. Fulgione, L. Riccati, S. Vernetto, G. Di Sciascio, M. Aglietta, G. Navarra, Bruno Alessandro, M. E. Bertaina, G.C. Trinchero, S. Valchierotti, M. Iacovacci, L. Bergamasco, A. Chiavassa, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, M., Bertaina, C., Castagnoli, A., Castellina, A., Chiavassa, G. C., Castagnoli, D'ETTORRE PIAZZOLI, Benedetto, G. D., Sciascio, W., Fulgione, P., Galeotti, P. L., Ghia, Iacovacci, Michele, G., Mannocchi, C., Morello, G., Navarra, L., Riccati, O., Saavedra, G. C., Trinchero, S., Valchierotti, P., Vallania, S., Vernetto, and C., Vigorito

Subjects
Physics, FLUX, Range (particle radiation), Particle physics, Proton, NUCLEI, Hadron, Astronomy and Astrophysics, Cosmic ray, HELIUM SPECTRA, ATMOSPHERE, Astrophysics, Power law, Nuclear physics, Altitude, KASCADE, Cosmic rays, Energy (signal processing)
Abstract

The flux of cosmic ray hadrons at the atmospheric depth of 820 g/cm^2 has been measured by means of the EAS-TOP hadron calorimeter (Campo Imperatore, National Gran Sasso Laboratories, 2005 m a.s.l.). The hadron spectrum is well described by a single power law : S(E_h) = (2.25 +- 0.21 +- 0.34(sys)) 10^(-7)(E_h/1000)^(-2.79 +- 0.05) m^(-2) s^(-1) sr^(-1) GeV^(-1) over the energy range 30 GeV-30 TeV. The procedure and the accuracy of the measurement are discussed. The primary proton spectrum is derived from the data by using the CORSIKA/QGSJET code to compute the local hadron flux as a function of the primary proton spectrum and to calculate and subtract the heavy nuclei contribution (basing on direct measurements). Over a wide energy range E_0 = 0.5-50 TeV its best fit is given by a single power law : S(E_0) = (9.8 +- 1.1 +- 1.6(sys)) 10^(-5) (E_0/1000)^(-2.80 +- 0.06) m^(-2) s^(-1) sr^(-1) GeV^(-1). The validity of the CORSIKA/QGSJET code for such application has been checked using the EAS-TOP and KASCADE experimental data by reproducing the ratio of the measured hadron fluxes at the two experimental depths (820 and 1030 g/cm^2 respectively) at better than 10% in the considered energy range., Comment: 16 pages, 9 figures, accepted for publication in Astroparticle Physics

Published
2002

30. Long term solar-terrestrial records from sediments: carbon isotopes in planktonic foraminifera during the last millennium

Author

G. Bonino, G. Cini Castagnoli, and Carla Taricco

Subjects
Atmospheric Science, Sunspot, biology, Aerospace Engineering, Astronomy and Astrophysics, biology.organism_classification, Solar irradiance, Atmospheric sciences, Solar cycle, Foraminifera, Geophysics, Oceanography, Space and Planetary Science, Isotopes of carbon, General Earth and Planetary Sciences, Environmental science, Radiometric dating, Singular spectrum analysis, Globigerinoides
Abstract

We show the δ 13 C profile of Globigerinoides ruber measured in the GT90/3 shallow-water Ionian sea core. This core is dated with high accuracy (better than 1%) using radiometric and tephroanalysis methods, for the last 2000 years. The core, extracted from the Gallipoli platform, was sampled at contiguous steps of thickness 2.5 mm, corresponding to 3.87 years. The δ 13 C profile covers the period 1147–1975 AD. During the first seven centuries it appears fairly flat, while it shows a steep increase between 1760 and 1950 of ∼0.3‰. The analysis of the time series performed using different methods shows a dominant decadal periodicity throughout the record. The 11-year component is identified at high significance level by Monte Carlo singular spectrum analysis (MC-SSA); the SSA-reconstructed-11-year component is in phase with the sunspot solar cycle. The average amplitude of this component is A 11y =0.04‰. It is commonly accepted that δ 13 C variations in symbiontic foraminifera mainly record the effects of symbiont density and of photosynthetic activity, varying with ambient light level. The δ 13 C peak-to-trough 11-year variation (0.08‰) can be related to solar irradiance variation of 0.1% on decadal time scale, like that measured in space in the last 20 years. By supposing that the observed δ 13 C modern increase of ∼0.3‰ is also produced by a solar irradiance variability on a longer time scale, through the same mechanisms, we estimate a secular increase of the total solar irradiance between 1760 and 1950 of (0.3/0.08)∗0.1% ≅ 0.37%. This value is at the higher limit of the long term variability estimates (0.25%–0.35%) that are currently proposed. Finally, in the light of the available experimental evidences, we discuss possible ways in which direct solar forcing can be modified by atmospheric processes in order to give the observed δ 13 C signal.

Published
2002

31. Cosmogenic radionuclides in four fragments of the Portales Valley meteorite shower: influence of different element abundance and shielding

Author

Narendra Bhandari, G. Bonino, G. Cini Castagnoli, Carla Taricco, and M. Killgore

Subjects
Atmospheric Science, Radionuclide, Materials science, Gamma ray spectrometer, Aerospace Engineering, Mineralogy, Astronomy, Astronomy and Astrophysics, Cosmic ray, GCM transcription factors, Matrix (geology), Metal, Geophysics, Meteorite, Space and Planetary Science, visual_art, Electromagnetic shielding, visual_art.visual_art_medium, General Earth and Planetary Sciences
Abstract

Portales Valley is an unusual meteorite with H6 chondritic matrix, interspersed by heterogeneous distribution of metallic veins. Four fragments with different abundances of veins, as determined by their bulk densities (3.49–4.86 gcm −3 ) were analysed for measurement of the cosmogenic radionuclides 57 Co, 54 Mn, 22 Na, 60 Co, 44 Ti and 26 Al using a gamma ray spectrometer. Chondritic and metallic proportions were estimated for each fragment. One sample was essentially free of metal veins. The shielding depth of each fragment (14 to 81 gcm −2 ) was estimated using cosmic ray heavy nuclei tracks which varied by more than two orders of magnitude in the four fragments, ranging between 4 to 1.7×10 6 cm −2 . The activity ratio 22 Na/ 26 Al was found to be similar (1.53±0.03) in the four fragments, independent of shielding depth and consistent with the expected activity at the time of fall during the beginning phase of the solar cycle 23.

Published
2002

32. The high energy muon spectrum in extensive air showers: first data from LVD and EAS-TOP at Gran Sasso

Author

T. Massam, Isao Yamamoto, Giovanni Badino, P. Giusti, Rosario Nania, L. G. Dos Santos, M. Selvi, L. Periale, J. H. Moromisato, A. Chiavassa, G. Cara Romeo, Carlotta Castagnoli, P. L. Ghia, R. Mantovani, N. Inoue, A. Campos Fauth, G. Bari, O. Saavedra, G. Di Sciascio, H. Nogima, B. D'Ettorre Piazzoli, W. Fulgione, R. Bertoni, J. Pyrlik, O. G. Ryazhskaya, V. S. Berezinsky, E. D. Alyea, P. Haridas, Antonino Zichichi, V. B. Korchaguin, B. Mayes, L. Bergamasco, V. P. Talochkin, A. Pesci, E. S. Hafen, R. I. Enikeev, I. A. Pless, S. Tsuji, C. Ghetti, V. L. Dadykin, G. Navarra, A. Turtelli, G. Guidi, L. Emaldi, C. Morello, I. Uman, G. C. Trinchero, M. Iacovacci, M. Basile, A. Megna, A. De Silva, Kwong Lau, Andrea Contin, A. S. Malguin, Tomonori Wada, M. Widgoff, V. A. Kudryavtsev, Giuseppe Iacobucci, F. Vetrano, M. Deutsch, F. Grianti, Behcet Alpat, E. V. Korolkova, Pietro Antonioli, L. Panaro, Luisa Cifarelli, V. F. Yakushev, N. Taborgna, A. Bosco, K. Saitoh, Marco Aglietta, F. Bersani, Stefano Santini, Lawrence Pinsky, G. Bruni, M. Luvisetto, P. Vallania, G. Cini Castagnoli, M. E. Bertaina, G. T. Zatsepin, G. Bonoli, F. Arneodo, G. Maccarrone, S. Vernetto, P. Dominici, R. Granella, A. Lima de Godoi, G. Mannocchi, F. F. Khalchukov, V. G. Ryasny, G. Conforto, N. Mengotti Silva, F. Cindolo, Jose Chinellato, P. V. Korchaguin, P. Picchi, Carlo Vigorito, J. Tang, E. Kemp, P. Galeotti, Roy Weinstein, Gabriella Sartorelli, E. von Goeler, Antonella Castellina, L. Votano, Bruno Alessandro, Fabrizio Fabbri, M., Aglietta, B., Alessandro, B., Alpat, E. D., Alyea, P., Antonioli, F., Arneodo, G., Badino, G., Bari, M., Basile, V. S., Berezinsky, L., Bergamasco, F., Bersani, M., Bertaina, R., Bertoni, G., Bonoli, A., Bosco, G., Bruni, A. C., Fauth, G. C., Romeo, C., Castagnoli, A., Castellina, A., Chiavassa, J. A., Chinellato, L., Cifarelli, F., Cindolo, G. C., Castagnoli, G., Conforto, A., Contin, V. L., Dadykin, A. D., Silva, M., Deutsch, D'ETTORRE PIAZZOLI, Benedetto, G. D., Sciascio, P., Dominici, L. G., Do, L., Emaldi, R. I., Enikeev, F. L., Fabbri, W., Fulgione, P., Galeotti, C., Ghetti, P. L., Ghia, P., Giusti, R., Granella, F., Grianti, G., Guidi, E. S., Hafen, P., Harida, G., Iacobucci, Iacovacci, Michele, N., Inoue, E., Kemp, F. F., Khalchukov, E. V., Korolkova, P. V., Korchaguin, V. B., Korchaguin, V. A., Kudryavtsev, K., Lau, A. L., De, M. L., Luvisetto, G., Maccarrone, A. S., Malguin, G., Mannocchi, R., Mantovani, T., Massam, B., Maye, A., Megna, N. M., Silva, C., Morello, J., Moromisato, R., Nania, G., Navarra, H., Nogima, L., Panaro, L., Periale, A., Pesci, P., Picchi, L., Pinsky, I. A., Ple, J., Pyrlik, V. G., Ryasny, O. G., Ryazhskaya, O., Saavedra, K., Saitoh, S., Santini, G., Sartorelli, M., Selvi, N., Taborgna, V. P., Talochkin, J., Tang, G. C., Trinchero, S., Tsuji, A., Turtelli, I., Uman, P., Vallania, S., Vernetto, F., Vetrano, C., Vigorito, E. v., Goeler, L., Votano, T., Wada, R., Weinstein, M., Widgoff, V. F., Yakushev, I., Yamamoto, G. T., Zatsepin, and A., Zichichi

Subjects
Nuclear physics, Physics, High energy, Muon, Coincident, SIMULATION, Astronomy and Astrophysics, Cosmic ray, DETECTOR
Abstract

We present evidence for a dependence of the average deep underground muon energies on shower size in the coincident EAS-TOP and LVD data at the Gran Sasso laboratories. The measured relation agrees with a mixed chemical composition of the cosmic ray primary spectrum at energies around 10(15) eV. (C) 1998 Elsevier Science B.V.

Published
1998

33. Evidence for enhanced 10Be deposition in Mediterranean sediments 35kyr BP

Author

Guang-Mei Zhu, G. Bonino, E. Callegari, Ch. Shen, Carla Taricco, P. W. Kubik, Juerg Beer, Beate Dittrich-Hannen, Marc J.-F. Suter, G. Cini Castagnoli, and A. Albrecht

Subjects
Marine sediments, cosmogenic radioisotopes, cosmic rays, geography, geography.geographical_feature_category, Volcanic rock, Paleontology, Geophysics, Mediterranean sea, Ice core, Absolute dating, Geochronology, General Earth and Planetary Sciences, Tephra, Quaternary, Holocene, Geology
Abstract

In this letter, we report the profiles (∼160 samples) of 10Be, 9Be, Zn in a Mediterranean sediment core spanning the last 60 kyr. We show the existence of a 10Be peak, whose absolute age is estimated to be 34±3 kyr BP, based on its stratigraphic position between two tephra layers originating from two volcanic eruptions (Campanian Ignimbrite and Citara), dated by K-Ar, 40Ar-39Ar and 14C methods. This peak is similar to the increase in the 10Be concentration observed in Vostok and Dome C ice cores at the same age. The increase with approximately similar amplitude in both ice and sediment cores at different latitudes and hemispheres cannot be explained by changes in the archives. The present result supports the view of a well defined global enhancement of the 10Be flux, related to an increase of the 10Be production rate and not to a redistribution of the 10Be fallout between different latitudes.

Published
1995

34. Large-P-T physics with cosmic-ray events

Author

G. Mannocchi, A. Chiavassa, G. Di Sciascio, C. Melagrana, Antonella Castellina, A. E. Chudakov, G. Navarra, B. D'Ettorre Piazzoli, M. Iacovacci, Piero Vallania, P. L. Ghia, A. Campos Fauth, O. Saavedra, F. Arneodo, Gian Carlo Trinchero, L. Riccati, Bruno Alessandro, L. Bergamasco, H. Nogima, A. Turtelli, C. Morello, V. A. Tizengauzen, Pietro Antonioli, S. Vernetto, M. E. Bertaina, G. Cini Castagnoli, A. S. Lidvansky, W. Fulgione, P. Galeotti, Marco Aglietta, N. Mengotti Silva, M., Aglietta, B., Alessandro, P., Antonioli, F., Arneodo, L., Bergamasco, M., Bertaina, A. C., Fauth, A., Castellina, A., Chiavassa, A. E., Chudakov, G. C., Castagnoli, D'ETTORRE PIAZZOLI, Benedetto, G., Disciascio, W., Fulgione, P., Galeotti, P. L., Ghia, Iacovacci, Michele, A. S., Lidvansky, G., Mannocchi, C., Melagrana, N. M., Silva, C., Morello, G., Navarra, H., Nogima, L., Riccati, O., Saavedra, G. C., Trinchero, V. A., Tizengauzen, A., Turtelli, P., Vallania, and S., Vernetto

Subjects
Physics, Astrophysics::High Energy Astrophysical Phenomena, Hadron, Cosmic ray, Astrophysics, Jet (particle physics), JET PRODUCTION, Nuclear physics, COLLIDER, ENERGY, Air shower, Transverse momentum, PARTICLES, Granularity, LARGE TRANSVERSE-MOMENTUM
Abstract

Extensive Air Shower (EAS) experiments with high granularity have reported the detection of multicore events. On the other hand, multicluster and double-core events have been observed with emulsion chambers (EC) at mountain altitudes since the late '70s. A striking characteristic of these events is the large transverse momentum of the clusters. At accelerator energy region, it is known that jet production in deep inelastic hadronic processes is associated with the emission of large-P T particles. In this paper we analyse the possibility that both EAS and EC events represent the same physical process, discussing the physical consequences of this fact and the possibilities offered by both techniques in integrating the accelerators data.

Published
1995

35. Similar response to climate stage 3 (20-62 kyr BP) in Mediterranean and Bahama carbonate records

Author

G. Bonino, Carla Taricco, and G. Cini Castagnoli

Subjects
Series (stratigraphy), Sediment cores, carbonates, paleoclimate, law.invention, chemistry.chemical_compound, Paleontology, Mediterranean sea, Oceanography, chemistry, Ice core, Absolute dating, law, Paleoclimatology, Carbonate, Radiocarbon dating, Quaternary
Abstract

In this paper, we compare the carbonate record obtained by us (Cini-Castagnoliet al., Nuovo Cimento C,15 (1992) 547) in the CT85-5 Tyrrhenian deep-sea core with that obtained by Kegwin and Jones (J. Geophys. Res. C,99 (1994) 12397) in the western North Atlantic GPC-9 Bahama core, during the period of climate stage 3 (20–62 ky BP). Both time series are radiocarbon tested. An overall similarity between the two carbonate profiles is observed. The Tyrrhenian and the Bahama records show a maximum correlation coefficientr2=0.6 for a time shift of 900 y, the latter preceding the former. By using the method of superposition of epochs, we show that the two series display a similar variability on the time scale between 2000 and 5000 y. Periods and phases of the oscillations agree within experimental errors. We have recently found in CT85-5 the10Be peak discovered in Vostok ice core at about 35 ky BP; so this marker could be searched in GPC-9 in order to synchronize in absolute way the past ocean conditions.

Published
1995

36. Solar magnetic and bolometric cycles recorded in sea sediments

Author

G. Cini Castagnoli, G. Bonino, and Carla Taricco

Subjects
Physics, sediment cores, Series (stratigraphy), Meteorology, Solar cycles, paleoclimate, Sampling (statistics), Astronomy and Astrophysics, Atmospheric sciences, Thermoluminescence, chemistry.chemical_compound, chemistry, Space and Planetary Science, Glow curve, Paleoclimatology, Carbonate, Sediment core, Sampling interval
Abstract

The total carbonate and thermoluminescence (TL) profiles of the GT89-3 Ionian sea sediment core have been measured in the upper 200 cm of the core spanning the last 3100 years in order to test the presence of the Gleissberg (80–90 yr) cycle in the two different time series recorded in the same archive. Two different sampling intervals respectively of 2.5 mm and 2 mm have been chosen for the measurements in order to obtain results independent from sampling effects in the time series. We have revealed the Gleissberg cycle at 83 and 92 yr in both records.

Published
1994

37. Multiple muon events observed in the LVD experiment

Author

Rosario Nania, G. Cini, L. G. Dos Santos, J. H. Moromisato, Andrea Contin, G. T. Zatsepin, A. S. Malguin, Tomonori Wada, O. Saavedra, Q. Q. Zhu, M. Basile, M. Pu, A. De Silva, W. D. Tian, Z. Mao, K. Chen, X. Zhu, B. Monteleoni, I. Uman, G. C. Trinchero, L. Panaro, Y. Cao, J. Ma, Z. Xu, G. Bruni, Isao Yamamoto, Lawrence S. Pinsky, M. Widgoff, G. Brugnola, A. Bosco, L. Lu, V. L. Dadykin, Andrea Bizzeti, G. Navarra, M. Luvisetto, G. Maccarrone, G. H. Mo, D. Shen, S. Gu, J. Tang, O. G. Ryazhskaya, S. Vernetto, Y. Guo, V. P. Talochkin, G. Anzivino, Z. Ma, K. Saitoh, Giovanni Badino, P. Giusti, E. D. Alyea, A. Benelli, P. V. Kortchaguin, G. Cara Romero, N. Taborgna, I. A. Pless, E. V. Korolkova, F. Grianti, N. Mengotti Silva, P. Vallania, Stefano Bianco, C. Morello, B. Zhuang, J. Qiu, M. A. Markov, R. I. Enikeev, Drew Parks, Luisa Cifarelli, L. Bergamasco, F. Wang, E. S. Hafen, Marco Aglietta, M. Dardo, L. Xu, A. Turtelli, W. Fulgione, X. Zhou, H. Tang, V. G. Ryasny, D. Sanders, V. A. Kudryavtsev, V. S. Berezinsky, V. F. Yakushev, N. Inoue, R. Chen, P. Haridas, A. Zallo, G. Sartorelli, Giuseppe Iacobucci, R. Casaccia, X. Lin, S. Wang, P. Galeotti, J. Pyrlik, Behcet Alpat, Roy Weinstein, G. Bari, Y. Ban, B. W. Mayes, F. Cindolo, V. B. Kortchaguin, Jose Chinellato, P. Picchi, M. Deutsch, C. Castagnoli, F. L. Fabbri, Shuang Cong, Kwong Lau, S. Sarwar, L. Periale, P. L. Ghia, E. von Goeler, Akeo Misaki, Antonella Castellina, L. Votano, P. Antonioli, T. Massam, P. Pinna, F. F. Khalchukov, Hongwei Wang, R. Bertoni, Antonino Zichichi, P.G. Pelfer, and G. Landi

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Muon, Distribution (number theory), Physics::Instrumentation and Detectors, multiple muon events, Detector, High Energy Physics::Experiment, Tower, Atomic and Molecular Physics, and Optics, Multiplicity distribution
Abstract

This is a progress report on the multiple muon events recorded by the first tower of the LVD detector at the Gran Sasso Laboratory. About 17,000 multiple muon events have been observed since the LVD first tower started operation in June 1992. Presented here are the measured multiplicity distribution and separation distribution of muon pairs in the bundles.

Published
1994

38. Single muon angular distributions observed in the LVD particle astrophysics experiment

Author

X. Zhou, Q. Q. Zhu, M. Gatta, V. S. Berezinsky, S. Wang, W. D. Tian, P. Haridas, F. Grianti, N. Taborgna, G. Bruni, D. Sanders, D. Parks, R. Casaccia, E. D. Alyea, F. Wang, O. Saavedra, F. Cindolo, Jose Chinellato, B. Zhuang, G. Brugnola, C. Morello, A. Zallo, M. Luvisetto, V. A. Kudryavtsev, K. Chen, S. Gu, X. Lin, Marco Aglietta, Behcet Alpat, G. Bari, Isao Yamamoto, P. Vallania, E. V. Korolkova, S. Vernetto, I. A. Pless, Z. Mao, D. Hungerford, B. Monteleoni, L. Panaro, P. Picchi, E. S. Hafen, R. I. Enikeev, A. Bosco, Giovanni Badino, P. Giusti, M. Widgoff, Pietro Antonioli, Luisa Cifarelli, X. Zhu, L. Lu, M. Dardo, L. Xu, S. De Pasquale, A. Turtelli, K. Saitoh, P. V. Kortchaguin, Y. Cao, D. Shen, Andrea Contin, J. Ma, A. S. Malguin, I. Uman, G. C. Trinchero, H. Tang, Tomonori Wada, A. Benelli, M. Basile, D. Fabbri, A. De Silva, J. Pyrlik, Stefano Bianco, G. Navarra, Z. Xu, Andrea Bizzeti, V. L. Dadykin, V. P. Talochkin, Z. Ma, G. Anzivino, V. F. Yakushev, T. Massam, Shuang Cong, V. B. Kortchaguin, G. Landi, Kwong Lau, R. Chen, Giuseppe Iacobucci, G. Maccarrone, Lawrence Pinsky, M. Pu, Y. Ban, L. Periale, M. Deutsch, W. Fulgione, G. T. Zatsepin, P. L. Ghia, N. Inoue, Rosario Nania, G. Cini, S. Sarwar, Y. Guo, L. G. Dos Santos, L. Bergamasco, J. H. Moromisato, N. Mengotti Silva, M. A. Markov, V. G. Ryasny, F. F. Khalchukov, Hongwei Wang, P. Galeotti, Roy Weinstein, M. Ventura, J. Tang, L. Votano, Fabrizio Fabbri, G. Cara Romeo, Gabriella Sartorelli, M. Lindozzi, J. Qiu, E. von Goeler, Akeo Misaki, Antonella Castellina, Antonino Zichichi, B. Mayes, P.G. Pelfer, R. Bertoni, O. G. Ryazhskaya, and Carlotta Castagnoli

Subjects
Physics, cosmic rays, muons, LVD, Muon, Square Centimeter, Physics::Instrumentation and Detectors, muon angular distribution, Astrophysics::Instrumentation and Methods for Astrophysics, Flux, Steradian, Astronomy and Astrophysics, Cosmic ray, Square meter, Nuclear physics, High Energy Physics::Experiment, Zenith, Intensity (heat transfer)
Abstract

The first angular distribution data from 5547 hours of operation of the LVD detector are presented. The technique of track reconstruction is described. A total of 452 657 single muons were reconstructed for this period. The data are acceptance corrected in our final plots. The total single muon flux (the total flux from above impinging on a sphere of unit cross sectional area) in the Gran Sasso Laboratory is 1.03 muons per hour per square meter. The total flux crossing a unit horizontal area from above is 0.79 muons per hour per square meter. The acceptance-corrected intensity at cos θ = 1 is 0.349 muons per hour per square meter per steradian (9.7× l0 − 9 muons per second per square centimeter per steradian). We present, for the first time from Gran Sasso Laboratory, data at near-horizontal zenith angles.

Published
1994

39. The 10.8 years solar cycle recorded in sea sediments during the last 4000 years

Author

Carla Taricco, G. Cini Castagnoli, and G. Bonino

Subjects
Marine sediments, solar cycle, paleoclimate, Solar cycle 11, Forcing (mathematics), Solar cycle 14, Solar cycle, Solar cycle 19, Waves and shallow water, Solar cycle 16, Climatology, Radiometric dating, Geology
Abstract

The thermoluminescence (TL) and carbonate profiles are measured in shallow water Ionian Sea cores, dated precisely by radiometric and tephroanalysis methods. Their time series, covering the last 4000 years, are obtained at time intervals of 3.096 and 3.87 years. We show that the 10.8 yr cyclicity is always present in each of time series analysed. A study of the amplitudes and phases of the wave is performed by the method of superposition of epochs. The phase shift of the TL and of the CaCO3 waves is ∼π. The persistency of the wave is assured in the last 3000 years by the cyclogram analysis. The power involved in this component of the signals is however small. Since the time series which we have extracted from the Ionian Sea cores bear some relation to the climatic factors forcing the deposition of the coastal carbonatic mud, these results may be interpreted as a proof that the Schwabe cycle of the Sun, associated with the irradiance variability, is directly involved in the climatic changes of the terrestrial archives.

Published
1994

40. First results of a search for neutrinos from collapsing stars with the LVD at Gran Sasso

Author

M. Aglietta, B. Alpat, E.D. Aleya, P. Antonioli, G. Anzivino, G. Badino, Y. Ban, G. Bari, M. Basile, A. Benelli, V.S. Berezinsky, L. Bergamasco, S. Bianco, A. Bizzetti, G. Bruni, Y. Cao, G. Cara Romeo, R. Casaccia, C. Castagnoli, A. Castellina, K. Chen, R. Chen, J.A. Chinellato, L. Cifarelli, G. Cini, S. Cong, A. Contin, V.L. Dadikin, M. Dardo, A. De Silva, M. Deutsch, L.G. Dos Santos, R.I. Enikeev, F.L. Fabbri, W. Fulgione, P. Galeotti, P. Ghia, P. Giusti, F. Grianti, S. Gu, E.S. Hafen, P. Haridas, G. Iacobucci, N. Inoue, F.F. Khalchukov, E.V. Korolkova, P.V. Kortchaguin, V.B. Kortchaguin, V.A. Kudryavtsev, G. Landi, K. Lau, X. Lin, L. Lu, J. Ma, Z. Ma, G. Maccarone, A.S. Malguin, Z. Mao, M.A. Markov, T. Massam, B. Mayes, N. Mengotti Silva, A. Misaki, G.H. Mo, B. Monteleoni, C. Morello, J. Moromisato, R. Nania, G. Navarra, L. Panaro, D. Parks, P.G. Pelfer, L. Periale, P. Picchi, P. Pinna, L. Pinsky, I.A. Pless, M. Pu, J. Pyrlyk, J. Qiu, V.G. Ryasny, O.G. Ryazhskaya, O. Saavedra, K. Saitoh, D. Sanders, G. Sartorelli, S. Sarwar, D. Shen, G. Susinno, V.P. Talochkin, H. Tang, J. Tang, W. Tian, G.C. Trinchero, A. Turtelli, I. Uman, P. Vallania, S. Vernetto, E. von Goeler, L. Votano, T. Wada, F. Wang, H. Wang, S. Wang, R. Weathers, R. Weinstein, M. Widgoff, L. Xu, Z. Xu, V.F. Yakushev, I. Yamamoto, G. Yi, A. Zallo, G.T. Zatsepin, X. Zhou, X. Zhu, B. Zhuan, and A. Zichichi

Subjects
ICARUS, Physics, Nuclear and High Energy Physics, COSMIC cancer database, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Detector, Other Fields of Physics, Astronomy, Astrophysics, Scintillator, Atomic and Molecular Physics, and Optics, Galaxy, Stars, High Energy Physics::Experiment, Neutrino, Large Volume Detector
Abstract

The Large Volume Detector (LVD) in the Gran Sasso underground Laboratory is a multipurpose detector consisting of a large volume of liquid scintillator interleaved with limited streamer tubes. In this paper we discuss its power to study low energy cosmic neutrinos. The results show that the first LVD tower (368 tons of liquid scintillator) is well suited to detect neutrinos from gravitational stellar collapses within all of our Galaxy over a wide range of burst duration (up to a few hundred seconds). No burst candidates have been observed in the first two months of data taking.

Published
1993

41. Amlodipine in the treatment of Raynaud's phenomenon

Author

I Gambini, Marco Rossi, N. Pitaro, G. Cini, Clodoveo Ferri, L. La Civita, and Dilia Giuggioli

Subjects
medicine.medical_specialty, business.industry, Antagonist, chemistry.chemical_element, Mean age, Calcium, Crossover study, Raynaud's phenomenon, Rheumatology, Underlying disease, chemistry, Internal medicine, medicine, Amlodipine, Pharmacology (medical), In patient, business, medicine.drug
Abstract

Treatment with calcium antagonists has been shown to be beneficial in patients with primary and secondary Raynaud’s phenomenon. A double-blind placebo-controlled crossover trial was performed to assess the efficacy of amlodipine, a new long-acting calcium antagonist, in patients with Raynaud’s phenomenon without underlying disease. 20 of the 24 patients enrolled (20 women and 4 men, mean age 45 years) completed the trial.

Published
1993

42. Search For 100 Tev Gamma-ray Emission From the Galactic Disk

Author

G.C. Trinchero, G. Mannocchi, A. Campos Fauth, O. Saavedra, P.L. Ghia, L. Riccati, Carlotta Castagnoli, C. Cattadori, A. Castellina, F. Arneodo, P. Vallania, M. Aglietta, W. Fulgione, G. Cini, L. Bergamasco, B. D'Ettorre Piazzoli, A. Chiavassa, Bruno Alessandro, P. Galeotti, C. Morello, S. Vernetto, and G. Navarra

Subjects
Physics, Astrophysics::High Energy Astrophysical Phenomena, Milky Way, Bremsstrahlung, Gamma ray, Astronomy and Astrophysics, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Spectral line, Interstellar medium, Space and Planetary Science, Emission spectrum, Disc, Astrophysics::Galaxy Astrophysics
Abstract

Upper limits have been obtained to the diffuse gamma-ray emission from the Galactic disk. The limits I(gamma)/I(p) less than 0.2 percent, i.e., I(gamma)(greater than 130 TeV) less than 3.2 x 10 exp -13/q cm/s/rad provide the first measurement obtained in the angular window corresponding to the distribution of the ISM. It is still, however, a factor of about 30 higher than the flux calculated from the cosmic ray interactions by Berezinsky and Kudryavtsev (1990). A lower limit of gamma greater than 2.3 is obtained to the power-law index of the differential energy spectrum of Galactic gamma rays from 100 MeV to 100 TeV, setting a limit to the possibility of a hard extrapolation of the Galactic gamma-ray spectrum to the 100 TeV region. 21 refs.

Published
1992

43. The relationship between the siderealvariation at 570 hg/cm2 underground and different levels of solar activity

Author

O. G. Ryazhskaya, L. Bergamasco, G. Cini Castagnoli, M. Serio, V. A. Kuznetsov, and V. A. Kudryavtsev

Subjects
Solar minimum, Physics, COSMIC-RAY ANISOTROPY, MODULATION, HELIOMAGNETOSPHERE, Astronomy and Astrophysics, Cosmic ray, Astrophysics, Solar maximum, symbols.namesake, Space and Planetary Science, Sidereal time, Fourier analysis, Harmonics, Physics::Space Physics, symbols, Variation (astronomy), Heliosphere
Abstract

This paper presents data on the sidereal variation of muons recorded at 570 hg/cm 2 , corresponding to primary rigidities around 1.8 TV. The record investigated covers a period of five years, from September 1985, near solar minimum, to September 1990, near solar maximum. The features of the observed sidereal variation histogram are related to the changing heliospheric conditions. Three conclusions emerge: (1) The Fourier reconstruction of the 24-h histogram requires a large number of harmonics, since the first and the second (diurnal and semidiurnal) are often outranked by higher order Fourier harmonics; (2) the anisotropy observed during the period of minimum solar activity has galactic origin; (3) as the level of solar activity increases the information on this anisotropy is altered by solar modulation processes.

Published
1992

44. On the solar origin of the thermoluminescence profile of the GT14 core

Author

M. Serio, G. Cini Castagnoli, A. Provenzale, and G. Bonino

Subjects
Physics, Sunspot, Sunspot number, Thermoluminescence, business.industry, Astronomy and Astrophysics, solar activity, spectral properties, Astrophysics, Solar physics, law.invention, Core (optical fiber), Background noise, Optics, Space and Planetary Science, law, Radiocarbon dating, business, Noise (radio)
Abstract

The thermoluminescence (TL) profile of the GT14 Ionian Sea core has been recently analyzed in connection with other records of solar activity. Phenomenological similarities among the TL profile, the radiocarbon record in tree-rings and the variations of the mean anuual sunspot number Rz suggest a solar control of the TL signal. In this paper we consider new readings of the TL profile of the GT14 core which were obtained at different glow temperatures. While the main spectral peaks discussed in previous papers are observed in all readings, a few new significant periodic components may now be separated from the noise background. Among these, a strong 22 yr (Hale) cycle is evident, together with a periodicity of 28.5 yr which has already been detected in the spectrum of the sunspot number series. We finally test the temporal persistency of the main TL periodic components by using a cyclogram method and we explore the effects of background noise by considering the TL profile of bleached samples.

Published
1990

45. Isotopic record in a marine shallow-water core: Imprint of solar centennial cycles in the past 2 millennia

Author

Castagnoli, G. Cini, Taricco, C., and Alessio, S.

Subjects
*SOLAR activity, *SPECTRUM analysis, *SPACE sciences, *SOLAR radiation
Abstract

Abstract: The δ 13C profile of Globigerinoides ruber, measured in the GT90/3 shallow-water Ionian sea core and dated with high precision, is presented and analyzed using the Singular Spectrum Analysis and the Wavelet Transform. This time series covers the period 200–1979 AD, with a resolution of 3.87 years. The δ 13C of foraminifera depends on the photosynthetic activity of the symbiontic algae living on the shells, strictly related to the illumination of the sea-surface. Both spectral methods, besides an 11-years oscillation in phase with the Schwabe cycle of the solar activity, show the presence of a centennial cycle that is in phase with the amplitude modulation of the sunspot number series in the last 300 years. Moreover, another climatic record, the tree ring δ 13C of a Japanese cedar covering the time interval 125–1952 AD, shows a similar centennial oscillation and therefore suggests that this climatic variation is global and in phase with the solar activity. [Copyright &y& Elsevier]

Published
2005
Full Text
View/download PDF

46. Long term solar-terrestrial records from sediments: carbon isotopes in planktonic foraminifera during the last millennium

Author

Castagnoli, G. Cini, Bonino, G., and Taricco, C.

Subjects
*SOLAR-terrestrial physics, *NUCLEAR activation analysis
Abstract

We show the δ13C profile of Globigerinoides ruber measured in the GT90/3 shallow-water Ionian sea core. This core is dated with high accuracy (better than 1%) using radiometric and tephroanalysis methods, for the last 2000 years. The core, extracted from the Gallipoli platform, was sampled at contiguous steps of thickness 2.5 mm, corresponding to 3.87 years. The δ13C profile covers the period 1147–1975 AD. During the first seven centuries it appears fairly flat, while it shows a steep increase between 1760 and 1950 of ∼0.3‰. The analysis of the time series performed using different methods shows a dominant decadal periodicity throughout the record. The 11-year component is identified at high significance level by Monte Carlo singular spectrum analysis (MC-SSA); the SSA-reconstructed-11-year component is in phase with the sunspot solar cycle. The average amplitude of this component is A11y=0.04‰. It is commonly accepted that δ13C variations in symbiontic foraminifera mainly record the effects of symbiont density and of photosynthetic activity, varying with ambient light level. The δ13C peak-to-trough 11-year variation (0.08‰) can be related to solar irradiance variation of 0.1% on decadal time scale, like that measured in space in the last 20 years. By supposing that the observed δ13C modern increase of ∼0.3‰ is also produced by a solar irradiance variability on a longer time scale, through the same mechanisms, we estimate a secular increase of the total solar irradiance between 1760 and 1950 of (0.3/0.08)&ast;0.1% ≅ 0.37%. This value is at the higher limit of the long term variability estimates (0.25%–0.35%) that are currently proposed.Finally, in the light of the available experimental evidences, we discuss possible ways in which direct solar forcing can be modified by atmospheric processes in order to give the observed δ13C signal. [Copyright &y& Elsevier]

Published
2002
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results