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6 results on '"fisica alte energie"'

2. Measurements of branching fraction and direct CP asymmetry in B±→KS0KS0K± and a search for B±→KS0KS0π±

Author

Kaliyar, A. B., Behera, P., Mohanty, G. B., Gaur, V., Adachi, I., Ahn, J. K., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bansal, V., Beleño, C., Bhardwaj, V., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Cao, L., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Frey, A., Fulsom, B. G., Garg, R., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Grzymkowska, O., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Hou, W. -S., Hsu, C. -L., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Joffe, D., Joo, K. K., Kahn, J., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, C. H., Kim, D. Y., Kim, H. J., Kim, S. H., Kimmel, T. D., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kuzmin, A., Kwon, Y. -J., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Levit, D., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Luo, T., MacNaughton, J., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, S., Mori, T., Nakao, M., Nath, K. J., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Nishimura, K., Ogawa, K., Ogawa, S., Ono, H., Onuki, Y., Ostrowicz, W., Pakhlova, G., Pal, B., Pardi, S., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Rabusov, A., Resmi, P. K., Ritter, M., Rostomyan, A., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Sandilya, S., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Sevior, M. E., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Simon, F., Solovieva, E., Starič, M., Stottler, Z. S., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Tonder, R., Varner, G., Varvell, K. E., Vossen, A., Waheed, E., Wang, B., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Won, E., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhukova, V., Kaliyar, A. B., Behera, P., Mohanty, G. B., Gaur, V., Adachi, I., Ahn, J. K., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Bansal, V., Beleño, C., Bhardwaj, V., Bilka, T., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Cao, L., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, H. E., Cho, K., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Dingfelder, J., Doležal, Z., Dong, T. V., Drásal, Z., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Frey, A., Fulsom, B. G., Garg, R., Gabyshev, N., Garmash, A., Gelb, M., Giri, A., Goldenzweig, P., Golob, B., Greenwald, D., Grzymkowska, O., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Hou, W. -S., Hsu, C. -L., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jeon, H. B., Jia, S., Joffe, D., Joo, K. K., Kahn, J., Karyan, G., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, C. H., Kim, D. Y., Kim, H. J., Kim, S. H., Kimmel, T. D., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, R., Kuzmin, A., Kwon, Y. -J., Lee, I. S., Lee, J. K., Lee, J. Y., Lee, S. C., Levit, D., Li, C. H., Li, L. K., Li, Y. B., Li Gioi, L., Libby, J., Luo, T., Macnaughton, J., Matsuda, T., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, S., Mori, T., Nakao, M., Nath, K. J., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Nishimura, K., Ogawa, K., Ogawa, S., Ono, H., Onuki, Y., Ostrowicz, W., Pakhlova, G., Pal, B., Pardi, S., Patra, S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Prasanth, K., Prencipe, E., Rabusov, A., Resmi, P. K., Ritter, M., Rostomyan, A., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Sandilya, S., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schueler, J., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Sevior, M. E., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Simon, F., Solovieva, E., Starič, M., Stottler, Z. S., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tanida, K., Tao, Y., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Tonder, R., Varner, G., Varvell, K. E., Vossen, A., Waheed, E., Wang, B., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Won, E., Yang, S. B., Ye, H., Yelton, J., Yin, J. H., Yusa, Y., Zhang, Z. P., Zhilich, V., and Zhukova, V.

Subjects
fisica alte energie
Abstract

We study charmless hadronic decays of charged B mesons to the final states K0 SK0 SK and K0 SK0 Sπ using a 711 fb−1 data sample that contains 772 × 106 BB¯ pairs and was collected at the ϒð4SÞ resonance with the Belle detector at the KEKB asymmetric-energy eþe− collider. For B → K0 SK0 SK, the measured branching fraction and direct CP asymmetry are ½10.42 0.43ðstatÞ 0.22ðsystÞ × 10−6 and ½þ1.6 3.9ðstatÞ 0.9ðsystÞ%, respectively. In the absence of a statistically significant signal for B → K0 SK0 Sπ, we obtain a 90% confidence-level upper limit on its branching fraction as 8.7 × 10−7.

Published
2019

3. The Belle II Simulation Campaign at ReCaS

Author

G.V. Russo, G. De Nardo, P. Guida, Vania Boccia, S. Pardi, D. Del Prete, Giuseppe Andronico, Roberto Bellotti, Guglielmo De Nardo, Giuliano Laccetti, Giorgio Maggi, Leonardo merola, Guido Russo, Lucia Silvestris, Sabina Tangaro, Enrico Tassi, Boccia, V., De Nardo, G., Del Prete, D., Guida, P., Pardi, S., and Russo, G.

Subjects
analisi dati, fisica alte energie
Abstract

The paper describes how an international collaboration uses the newly built Rete di Calcolo per SuperB e altre applicazioni (ReCaS) infrastructure. The Belle II experiment, carried out in Japan but with a strong support from Italian scientist and from Istituto Nazionale Fisica Nucleare (INFN), provides extensive resources that are used since October 2014 for the Monte Carlo Campaign; up to 4000 computing hours per day were used in the 4th campaign, for a continuous run of 50 days.

Published
2016
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4. Performance of an electromagnetic liquid krypton calorimeter based on a ribbon electrode tower structure

Author

G. Linser, Benedetto Gorini, W. Funk, L. Bertolotto, Lau Gatignon, J. Weterings, R. Fantechi, G.D. Barr, A. Givernaud, Sandro Palestini, P. Lubrano, M. Pepe, H. D. Wahl, J. Duclos, O. Vossnack, Cristina Biino, W. Seidl, F. Costantini, P.L. Frabetti, A. Gianoli, B. Peyaud, A. Gonidec, L. Gosset, Claudio Bruschini, B. Hallgren, J. Heitzmann, G. Kesseler, M. Sozzi, D.C. Cundy, P. Wertelaers, V. Marzulli, H. Taureg, C. Bocquet, A. Kalinin, Marco Martini, D. Schinzel, I. Mannelli, Peter Buchholz, Vladimir Kekelidze, Niels Doble, M. Savrie, A. Norton, Paolo Calafiura, V. Carassiti, O. Zeitnitz, M. Calvetti, C. Cerri, A. Ceccucci, D. Bederede, E. Mazzucato, A. Lacourt, R. Turlay, G. Laverrière, P Maas, P. Debu, Yu. Kozhevnikov, and M. Ziolkowski

Subjects
Physics, Nuclear and High Energy Physics, Large Hadron Collider, Calorimeter (particle physics), detector, fisica alte energie, Physics::Instrumentation and Detectors, Krypton, Resolution (electron density), NA48 experiment, chemistry.chemical_element, Nuclear physics, chemistry, Electrode, Calibration, CP violation, High Energy Physics::Experiment, Detectors and Experimental Techniques, Instrumentation
Abstract

The NA48 collaboration is preparing a new experiment at CERN aiming to study CP violation in the $K^{0}-K^{0}$ system with an accuracy of $2 \times 10^{−4}$ in the parameter $\Re(\epsilon'/\epsilon)$. Decays in two $\pi^{0}$'s will be recorded by a quasi-homogeneous liquid krypton calorimeter. A liquid krypton calorimeter has been chosen to combine good energy, position and time resolution with precise charge calibration and long-term stability. The prototype calorimeter incorporating the final design of the electrode read-out structure is presented in this paper. An energy resolution of $\simeq 3.5$%/$\sqrt{E}$ with a constant term smaller than 0.5% has been obtained. The time resolution was found to be better than 300 ps above 15 GeV.

Published
1996

5. A glass spherical Cherenkov counter based on total internal reflection

Author

V. Carassiti, R. Cester, G. Rinaudo, L. Pesando, Cristina Biino, E. Menichetti, S. Palestini, A. Migliori, A. Ceccucci, Giorgio Borreani, R. Mussa, Nadia Pastrone, and F. Marchetto

Subjects
Physics, Nuclear and High Energy Physics, Total internal reflection, detector, fisica alte energie, Physics::Instrumentation and Detectors, business.industry, Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics, Particle identification, Mechanism (engineering), Optics, business, Instrumentation, Cherenkov radiation, Spherical shape
Abstract

We built and tested a Cherenkov counter for particle identification, with spherical shape (R = 600 mm), made of glass. The threshold at β = 0.92 is set by the mechanism of total internal reflection of the Cherenkov light.

Published
1990

6. Very light tracking detector for jet target experiment in high energy physics

Author

P.F. Dalpaiz, F. Petrucci, P. F. Dalpiaz, R. Calabrese, M. Savrie, M. Martini, Eleonora Luppi, and V. Carassiti

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Wire chamber, detector, fisica alte energie, Physics::Instrumentation and Detectors, Scattering, Detector, Particle accelerator, Ranging, Particle detector, law.invention, Nuclear Energy and Engineering, law, Antiproton, High Energy Physics::Experiment, Electrical and Electronic Engineering, Polar coordinate system
Abstract

A description is given of a detector that constitutes the inner tracking part of the E760 experiment designed to study charmonium spectroscopy on the antiproton accumulator at FNAL. It is composed of a multiwire proportional chamber and a radial projection chamber on the same mechanical structure with cylindrical symmetry. Some special features are described which makes it possible to achieve field shaping and to minimize space-charge effects, multiple scattering, and photon conversion. The detector has been made as light as possible in order to minimize particle conversion in the sensitive zone ranging from 15 degrees to 50 degrees degrees in polar angle. A data display for a cosmic event is shown. >

Published
1989

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