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1. Polarised quark distributions in the nucleon from semi-inclusive spin asymmetries

Author: F. Tessarotto, F. Perrot-Kunne, W. Kröger, E. Burtin, K. Zaremba, Jay Roberts, J. Cranshaw, T. Matsuda, M. Plo, I. Sabo, M. Grosse Perdekamp, A. Karev, K. Haft, V. G. Krivokhijine, S. K. Dhawan, J. Lichtenstadt, S. Platchkov, N. de Botton, Victor Kukhtin, H. Gilly, M. Lamanna, J. H. Moromisato, Clemens A. Heusch, J. S. McCarthy, G. Igo, A. Steinmetz, Patrick Hautle, S. Bültmann, R. Birsa, F. Feinstein, D. von Harrach, J. E.J. Oberski, Takahiro Iwata, A. Ogawa, A. Schiller, D. Thers, Yu. Kisselev, G. Reicherz, D. Crabb, J. A. Garzon, C. Dulya, Naoaki Horikawa, Franco Bradamante, T. Akdogan, B. Roscherr, S. Dalla Torre, H. J. Kessler, G. Bardin, L. Betev, Roland Windmolders, J. Martino, Abhay Deshpande, C. S. Özben, M. Velasco, A. Arvidson, Rudiger Voss, J. Nassalski, M. Giorgi, U. Stiegler, T. Hasegawa, I.A. Savin, D. J. Miller, P. Schiavon, Andrea Bressan, Michal Szleper, A. Gallas, G. K. Mallot, J. Vogt, E. Arik, B. W. Mayes, T. O. Niinikoski, S. Ishimoto, Lawrence Pinsky, A. Witzmann, Y. Miyachi, St. Goertz, F. Lehar, G. Unel, B. Frois, H. Postma, R. van Dantzig, Matias Rodriguez, E. P. Sichtermann, F. Simeoni, G.I. Smirnov, J. Saborido, R. Puntaferro, D. Fasching, G. van Middelkoop, Jinkui Zhao, D. Pose, W. Meyer, Kunikazu Mori, C. A. Whitten, J. Kyynäräinen, A. de Lesquen, J. Pretz, K. Medved, Regine Willumeit, H. Pereira, W. Tlaczala, A. Tripet, G. Gracia, A. Sandacz, N. De Groot, K. Kurek, Anna Zanetti, F. Marie, T. Kageya, A. Rijllart, Bernardo Adeva, E. Rondio, T. Çuhadar, J. M. Le Goff, Heinrich B. Stuhrmann, A. Magnon, J. Ylöstalo, L. Naumann, M. Litmaath, Günter Baum, P. Berglund, B. Derro, E. von Goeler, D. Krämer, W. Wislicki, G. Rädel, S. Eichblatt, Alan D. Martin, B. Badelek, C. Fernandez, N. Hayashi, D. Peshekhonov, A. Bravar, V. W. Hughes, Ulrich Landgraf, A. Staude, T. J. Ketel, S. Forthmann, J. Kiryluk, E. M. Kabuß, (Astro)-Particles Physics, B., Adeva, T., Akdogan, E., Arik, A., Arvidson, B., Badelek, G., Bardin, G., Baum, P., Berglund, L., Betev, R., Birsa, N., de Botton, Bradamante, Franco, A., Bravar, Bressan, Andrea, S., Bültmann, E., Burtin, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, S., Eichblatt, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, G., Gracia, N., de Groot, M., Grosse Perdekamp, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, Kisselev, Y. u., D., Krämer, V., Krivokhijine, W., Kröger, V., Kukhtin, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, H., Pereira, F., Perrot Kunne, D., Peshekhonov, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, R., Puntaferro, G., Rädel, A., Rijllart, G., Reicherz, J., Robert, M., Rodriguez, E., Rondio, B., Roscherr, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, A., Schiller, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, F., Tessarotto, D., Ther, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, J., Ylöstalo, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Muon, Valence (chemistry), SMC, Hadron, FOS: Physical sciences, SIDIS, Polarized quark distributions, Deep inelastic scattering, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Deuterium, High Energy Physics::Experiment, Nucleon, Particle Physics - Experiment
Abstract: We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and deuterons in the range $0.003$1 GeV$^2$. Compared to our previous publication on this subject, with the new data the statistical errors have been reduced by nearly a factor of two. From these asymmetries and our inclusive spin asymmetries we determine the polarised quark distributions of valence quarks and non-strange sea quarks at $Q^2$=10 GeV$^2$. The polarised $u$ valence quark distribution, $\Delta u_v(x)$, is positive and the polarisation increases with $x$. The polarised $d$ valence quark distribution, $\Delta d_v(x)$, is negative and the non-strange sea distribution, $\Delta \bar q(x)$, is consistent with zero over the measured range of $x$. We find for the first moments $\int_0^1 \Delta u_v(x) dx = 0.77 \pm 0.10 \pm 0.08$, $\int_0^1 \Delta d_v(x) dx = -0.52 \pm 0.14 \pm 0.09$ and $\int_0^1 \Delta \bar q(x) dx= 0.01 \pm 0.04 \pm 0.03$, where we assumed $\Delta \bar u(x) = \Delta \bar d(x)$. We also determine for the first time the second moments of the valence distributions $\int_0^1 x \Delta q_v(x) dx$., Comment: 17 pages
Published: 1998

2. The spin-dependent structure function g1(x) of the deuteron from polarized deep-inelastic muon scattering

Author: S. Bültmann, T. Kageya, M. Boutemeur, D. Fasching, T. Pussieux, A. Bressan, J. E.J. Oberski, E. M. Kabuß, E. Burtin, T. Matsuda, D.V. Peshekhonov, K. M. Teichert, I. Sabo, Jay Roberts, I.A. Savin, V. G. Krivokhijine, J. Nassalski, J. Zhao, N. de Botton, Victor Kukhtin, A. Bravar, B. W. Mayes, E. Arik, R. Seitz, G. Gratia, W. Tlaczala, J. Cranshaw, H. J. Kessler, Roland Windmolders, M. Lowe, A. Arvidson, J. Martino, A. Gallas, A. Nagaitsev, G. K. Mallot, M. Lamanna, Y. Ylöstalo, David Miller, Aina Yañez, G. Bardin, Drew Parks, L. Naumann, G. Unel, T. O. Niinikoski, J. Lichtenstadt, J. Kyynäräinen, F. Tessarotto, W. Kröger, H. Postma, J. Kiryluk, J. Saborido, M. Litmaath, L. S. Pinsky, P. Schiavon, N. Horikawa, B. Derro, D. von Harrach, M. K. Ballintijn, D. Krämer, Abhay Deshpande, F. Sever, R. Puntaferro, K. P. Schüler, E. Rondio, J. H. Moromisato, Satish Dhawan, G. Baum, F. Feinstein, T. Iwata, Yannis K. Semertzidis, J. Pyrlik, Mayda Velasco, L. Betev, S. Eichblatt, A. Witzmann, Patrick Hautle, P. Björkholm, T. Hasegawa, S. Dalla Torre, J. C. Faivre, L. Klostermann, J. M. Le Goff, F. Marie, J. S. McCarthy, C. Cavata, Regine Willumeit, Matias Rodriguez, C. Dulya, G. van Middelkoop, A. Ogawa, P. Berglund, B. Frois, S. Platchkov, Roy Weinstein, N. De Groot, J. Vogt, E. von Goeler, P. Shanahan, A. Kishi, A. Rosado, G. Rädel, G. Igo, S. Rock, T. Gaussiran, L. V. Kalinovskaya, Clemens A. Heusch, F. Simeoni, G.I. Smirnov, Ricardo Piegaia, T. Çuhadar, A. de Lesquen, J. Pretz, J. A. Garzon, Franco Bradamante, D. Y. Bardin, M. Giorgi, J. Polec, B. Badelek, C. Fernandez, R. Birsa, N. Hayashi, A. Sandacz, F. Perrot-Kunne, C.S. Ozben, S. Trentalange, D. G. Crabb, Yu. Kisselev, W. Wislicki, A. Steinmetz, T. Lindqvist, D. L. Adams, T. Akdogan, D. Pose, A. Rijllart, Bernardo Adeva, A. Dyring, Heinrich B. Stuhrmann, A. Staude, T. J. Ketel, V. W. Hughes, Ulrich Landgraf, A. Karev, F. Lehar, A. Magnon, A. Tripet, B. E. Bonner, M. Grosse-Perdekamp, Rudiger Voss, Michal Szleper, S. Ishimoto, R. van Dantzig, I. G. Bird, E. P. Sichtermann, K. Zaremba, M. Plo, U. Stiegler, Faustino Gómez, Kunikazu Mori, K. Medved, Anna Zanetti, K. Kurek, C. A. Whitten, Anne-Laure Martin, (Astro)-Particles Physics, D., Adam, B., Adeva, T., Akdogan, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, D., Bardin, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, A., Bravar, Bressan, Andrea, S., Bültmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, A., Galla, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, F., Gomez, G., Gracia, N., de Groot, M., Grosse Perdekamp, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, L., Kalinovskaya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, W., Kröger, V., Kukhtin, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, D. P., Park, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, J., Polec, D., Pose, H., Postma, J., Pretz, R., Puntaferro, T., Pussieux, J., Pyrlik, G., Rädel, G., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Seitz, Y., Semertzidi, F., Sever, P., Shanahan, E. P., Sichtermann, Simeoni, Fabrizio, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, W., Tlaczala, S., Trentalange, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, A., Yañez, Y., Ylöstalo, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Physics, DIS, Nuclear and High Energy Physics, Strange quark, Muon, SMC, Scattering, g1 structure function, Perturbative QCD, Deep inelastic scattering, Nuclear physics, High Energy Physics::Experiment, Sum rule in quantum mechanics, Nucleon, Particle Physics - Experiment, Spin-½
Abstract: We present a new measurement of the spin-dependent structure function $g_{1}^{\rm d}$ of the deuteron from deep inelastic scattering of 190 GeV polarized muons on polarized deuterons. The results are combined with our previous measurements of $g_{1}^{\rm d}$. A perturbative QCD evolution in next-to-leading order is used to compute $g_{1}^{\rm d}(x)$ at a constant $Q^{2}$. At $Q^{2} = 10$ GeV$^{2}$, we obtain a first moment $\Gamma_{1}^{\rm d} = \int_{0}^{1} g_{1}^{\rm d}{\rm d}x = 0.041 \pm 0.008$, a flavour-singlet axial charge of the nucleon $a_{0} = 0.30 \pm 0.08$, and an axial charge of the strange quark $a_{s} = -0.09 \pm 0.03$. Using our earlier determination of $\Gamma_{1}^{\rm p}$, we obtain $\Gamma_1^{\rm p} - \Gamma_1^{\rm n} = 0.183 \pm 0.035$ at $Q^2 = 10\,\mbox{GeV}^2$. This result is in agreement with the Bjorken sum rule which predicts $\Gamma_1^{\rm p} - \Gamma_1^{\rm n} = 0.186 \pm 0.002$ at the same $Q^2$.
Published: 1997

3. Polarisation of valence and non-strange sea quarks in the nucleon from semi-inclusive spin asymmetries

Author: S. Lopez-Ponte, Yu. Kisselev, J. C. Faivre, T. O. Niinikoski, Alan D. Martin, Etienne Burtin, F. Marie, E. Rondio, T. Layda, P. Shanahan, M. Plo, K. M. Teichert, G.I. Smirnov, G. Bardin, Jinkui Zhao, R. E. Segel, A. Nagaitsev, J. M. Le Goff, K. P. Schüler, E. Arik, T. Kageya, Jay Roberts, Naoaki Horikawa, M. Grosse Perdekamp, J. H. Moromisato, S. K. Dhawan, D. Crabb, Cristino Pérez, M. Velasco, S. Dalla Torre, I. Sabo, Takahiro Iwata, J. Nassalski, J. Cranshaw, T. Gaussiran, D. J. Miller, S. Eichblatt, W. Wislicki, Iskender Atilla Reyhancan, V. G. Krivokhijine, T. Hasegawa, Michal Szleper, A. Steinmetz, Lawrence Pinsky, Patrick Hautle, J. Vogt, J.A. Garzon, J. S. McCarthy, J. Kyynäräinen, P. Schiavon, T. Matsuda, A. Ogawa, J. E.J. Oberski, S. Rock, I.G. Bird, Sergey M. Sergeev, A. Kishi, C. Fernandez, B. Frois, A. Rosado, M. Lowe, P. Björkholm, F. Sever, M. K. Ballintijn, C. Cavata, A. de Lesquen, H. J. Kessler, Abhay Deshpande, F. Feinstein, Roland Windmolders, E. P. Sichtermann, D. Peshekhonov, A. Arvidson, F. Tessarotto, L. Naumann, W. Kröger, I.A. Savin, V. W. Hughes, J. Martino, G. K. Mallot, Alessandro Bressan, C. Dulya, D. von Harrach, Roy Weinstein, N. De Groot, E. M. Kabuß, Clemens A. Heusch, Kunikazu Mori, R. Birsa, Yannis K. Semertzidis, B. W. Mayes, F. Lehar, J. Pyrlik, Ricardo Piegaia, K. Medved, E. Gülmez, R. Seitz, M. Giorgi, J. Pretz, D. Fasching, L. Betev, T. Pussieux, Aldo Penzo, G. Gracia, G. van Middelkoop, Ulrich Landgraf, N. de Botton, A. Sandacz, H. Postma, A. Witzmann, M. Lamanna, J. Saborido, L. Klostermann, Matias Rodriguez, B. Badelek, N. Hayashi, F. Perrot-Kunne, D. Pose, Regine Willumeit, A. Karev, G. Igo, A. Rijllart, A. Staude, T. Çuhadar, Bernardo Adeva, T. J. Ketel, Franco Bradamante, A. Dyring, Heinrich B. Stuhrmann, Anna Zanetti, C. A. Whitten, Günter Baum, P. Berglund, A. Magnon, E. von Goeler, A. Gomez, S. Platchkov, M. Litmaath, J. Lichtenstadt, D. Krämer, S. Ishimoto, U. Stiegler, R. van Dantzig, B. E. Bonner, C. S. Özben, Rudiger Voss, S. Bültmann, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, R., Birsa, P., Björkholm, B. E., Bonner, N., de Botton, Bradamante, Franco, Bressan, Andrea, S., Bültmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, A., Gomez, G., Gracia, N., de Groot, M., Grosse Perdekamp, E., Gülmez, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, W., Kröger, J., Kyynäräinen, M., Lamanna, U., Landgraf, T., Layda, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, A., Penzo, C., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, I., Reyhancan, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Segel, R., Seitz, Y., Semertzidi, S., Sergeev, F., Sever, P., Shanahan, E. P., Sichtermann, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, Zanetti, ANNA MARIA, J., Zhao, and (Astro)-Particles Physics
Subjects: Physics, Quark, Nuclear and High Energy Physics, Particle physics, Muon, Valence (chemistry), spin dependent parton distribution, High Energy Physics::Phenomenology, Hadron, Nuclear Theory, Deep inelastic scattering, valence quarks, Nuclear physics, Distribution function, spin dependent parton distributions, Deuterium, deep inelastic scattering, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Nucleon, Particle Physics - Experiment
Abstract: We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and deuterons in the range 0.003
Published: 1996

4. The development of totally transparent position sensors

Author: R. Terry, Kaori Maeshima, J. Moromisato, S. Reucroft, D. P. Eartly, and E. von Goeler
Subjects: Physics, Nuclear and High Energy Physics, Large Hadron Collider, business.industry, Measure (physics), Semiconductor device, Laser, Particle detector, law.invention, Optics, law, Position (vector), Measuring instrument, business, Instrumentation, Position sensor
Abstract: We describe an improved version of COPS, a CCD based Optical Position Sensor, which can measure or monitor positions of attached elements with accuracies better than 0.05 mm at distances of tens of meters. The main application of this device is in the precision alignment and monitoring of radiation detectors in experimental high-energy physics. The improved sensor, named NUCOPS, has a set of four linear CCD arrays attached to the inside walls of a rigid square tube, and can be illuminated by a cross-hair laser coming from either direction. Like the old device, a NUCOPS can measure changes in its position to the laser lines with reproducibility better than 2 μm. It has been designed specifically for use in the alignment system of the Endcap Muon detectors for the CMS experiment at LHC.
Published: 2005

5. Measurement of the polarisation of a high energy muon beam

Author: Shafqat Ahmad, E. Burtin, B. Frois, M. Grosse Perdekamp, R. Seitz, S. Dhawan, Drew Parks, I. Savin, M. Litmaath, M. D. Corcoran, B. Adeva, R.E. Segel, Alan D. Martin, John C. Mitchell, K. P. Schüler, J. Cranshaw, Günter Baum, T. Pussieux, Per Berglund, A. Rijllart, H. J. Kessler, Alessandro Bressan, M. Plo, G. Perez, D. von Harrach, T. Gaussiran, Roland Windmolders, Naoaki Horikawa, B. E. Bonner, M. Rodriguez, A. Arvidson, Kwong Lau, F. Marie, J. Pyrlik, C. A. Whitten, J. C. Faivre, Gerhard K. Mallot, W. Tlaczala, E. von Goeler, M. Clocchiatti, F. Lehar, D. Sanders, I. Sabo, D. Fasching, G. Igo, J.A. Buchanan, J. M. Rieubland, M. K. Ballintijn, David Miller, T. Lindqvist, Rudiger Voss, J. H. Moromisato, A. Rosado, S. Trentalange, S. Bültmann, Aldo Penzo, J. A. Garzon, Shoji Okumi, R. Kaiser, G. Bardin, A. Witzmann, Franco Bradamante, J. E.J. Oberski, S. Ishimoto, J. Martino, A. Dyring, G. van Middelkoop, V. G. Krivokhijine, J. Nassalski, B. Badelek, Sergey M. Sergeev, W. Thiel, A. Brüll, Yu. Kisselev, J. Dupont, U. Landgrat, C. Fernandez, A. Karev, G. Gracia, F. Feinstein, A. Sandacz, N. Hayashi, P. Schiavon, S. Dalla Torre, M. Velasco, R. van Dantzig, F. Perrot-Kunne, Wojciech Wislicki, S. Eichblatt, T. Hasegawa, Anna Zanetti, M. Boutemeur, G.S. Mutchler, L. Ropelewski, S. Lopez-Ponte, A. de Lesquen, H. Stuhrmann, C. A. Heusch, C. Dulya, Andrés Gómez, I. G. Bird, L. Klostermann, T. Çuhadar, A. Kishi, Ricardo Piegaia, M. Giorgi, J. Lichtenstadt, K. M. Teichert, M. de Jong, E. Rondio, T. Layda, A. Staude, J. Kyynäräinen, Jay Roberts, D. Pose, Y. Tzamouranis, J. M. Demolis, Lawrence Pinsky, Donald Crabb, Tjeerd Ketel, V. W. Hughes, Takahiro Iwata, J. S. McCarthy, P. Björkholm, F. Tessarotto, C. Cavata, S. Platchkov, P. Shanahan, Kunikazu Mori, L. Naumann, Roy Weinstein, G. Smirnov, L. Betev, K. Zaremba, E. M. Kabuss, C. Garabatos, R. Birsa, A. Magnon, J.M. Clement, B. W. Mayes, J. Saborido, J. Vogt, N. de Botton, Victor Kukhtin, M. Lamanna, D.V. Peshekhonov, M. Lowe, J. P. Chen, L. Gatignon, Donal Day, Jinkui Zhao, Aina Yañez, F. Sever, T. O. Niinikoski, H. Postma, A. Steinmetz, B., Adeva, S., Ahmad, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, Bressan, Andrea, A., Brüll, J., Buchanan, S., Bültmann, E., Burtin, C., Cavata, J. P., Chen, J., Clement, M., Clocchiatti, M. D., Corcoran, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, D., Day, J. M., Demoli, S., Dhawan, C., Dulya, J., Dupont, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, C., Garabato, J. A., Garzon, L., Gatignon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, A., Gomez, G., Gracia, M., Grosse Perdekamp, D., von Harrach, T., Hasegawa, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, M., de Jong, E. M., Kabu, R., Kaiser, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, V., Krivokhijine, V., Kukhtin, J., Kyynäräinen, M., Lamanna, U., Landgrat, K., Lau, T., Layda, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, B., Maye, J. S., Mccarthy, G., van Middelkoop, D., Miller, J., Mitchell, K., Mori, J., Moromisato, G. S., Mutchler, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, S., Okumi, D. P., Park, A., Penzo, G., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, T., Pussieux, J., Pyrlik, J. M., Rieubland, A., Rijllart, J. B., Robert, M., Rodriguez, E., Rondio, L., Ropelewski, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, D., Sander, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Segel, R., Seitz, S., Sergeev, F., Sever, P., Shanahan, G., Smirnov, A., Staude, A., Steinmetz, H., Stuhrmann, W., Tlaczala, K. M., Teichert, F., Tessarotto, W., Thiel, S., Trentalange, Y., Tzamourani, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, W., Wislicki, A., Witzmann, A., Yañez, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Physics, Nuclear and High Energy Physics, Large Hadron Collider, Muon, Physics::Instrumentation and Detectors, Polarimeter, positron energy spectrum, muon beam polarimeter, Nuclear physics, Positron, Energy spectrum, Physics::Accelerator Physics, High Energy Physics::Experiment, Detectors and Experimental Techniques, Nuclear Experiment, Instrumentation, Energy (signal processing), Beam (structure)
Abstract: A muon beam polarimeter has been built for the SMC experiment at the CERN SPS, for muon energies of 100 to 200 GeV. The beam polarisation is determined from the energy spectrum of positrons from the decay μ+ → e+ νcνμ. A polarisation of - 0.82 is measured with a relative systematic accuracy of 3%.
Published: 1994

6. Study of position resolution with COPS

Author: E. von Goeler, T. F. Droege, D. P. Eartly, D. Prokofiev, S. Reucroft, and J. Moromisato
Subjects: Physics, Nuclear and High Energy Physics, Reproducibility, Aperture, business.industry, Measure (physics), Linearity, Laser, Square (algebra), law.invention, Set (abstract data type), Transverse plane, Optics, law, business, Instrumentation
Abstract: We describe an optical beam sensing device that can measure transverse displacements with accuracy of a few microns. An analog readout prototype with a set of four linear CCD arrays arranged around a square aperture, and illuminated by a cross-hair laser, was built and tested by the authors. Performance tests results demonstrate a linearity better than 5 μm throughout an active transverse range of over 20 mm. The reproducibility of the measurements was better than 2 μm. Long-term stability is 5 μm.
Published: 1999

7. Tests of cathode strip chamber prototypes

Author: S Medved, Craig R. Wuest, O. Prokofiev, S. Otwinowski, P Schenk, Hafeez R Hoorani, C. Matthey, T Vercelli, Y. Bonushkin, Yu. Sedykh, P Lennous, W Gorn, Paolo Giacomelli, O Kisselev, J Zeng, C. Rush, J.G Layter, M.M Baarmand, Thomas Ferguson, Jay Hauser, S. Durkin, J Hirschfelder, L Preston, Christian P. Minor, A Vaniachine, D Chrisman, J. Hoftiezer, L Gorn, I Smirnov, D.E Klem, E. von Goeler, T.Y Ling, V Soulimov, G. Mitselmakher, Andrey Korytov, and T. Muller
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Muon, Physics::Instrumentation and Detectors, business.industry, Detector, Cathode, law.invention, Anode, Optics, law, Physics::Accelerator Physics, business, Instrumentation, Image resolution, Compact Muon Solenoid, Beam (structure)
Abstract: We report on the results of testing two six-layer 0.6 × 0.6 m 2 cathode strip chamber (CSC) prototypes in a muon beam at CERN. The prototypes were designed to simulate sections of the end-cap muon system of the Compact Muon Solenoid (CMS) detector which will be installed at the Large Hadron Collider (LHC). We measured the spatial and time resolutions of each chamber for different gains, different orientations with respect to the beam direction and different strength magnetic fields. The single-layer spatial resolution of a prototype with a strip pitch of 15.88 mm ranged from 78 to 468 μm, depending on whether the particle passed between two cathode strips or through the center of a strip; its six-layer resolution was found to be 44 μm. The single-layer spatial resolution of a prototype with a strip pitch of 6.35 mm ranged from 54 to 66 μm; its six-layer resolution was found to be 23 μm. The efficiency for collecting an anode wire signal from one of six layers within a 20 ns time window appropriate for the LHC was found to be greater than 95% in normal running conditions.
Published: 1998

8. Measurement of the SMC muon beam polarisation using the asymmetry in the elastic scattering off polarised electrons

Author: E. Burtin, D. Crabb, T. Kageya, M. Boutemeur, D. Fasching, F. Perrot-Kunne, J. E.J. Oberski, T. Matsuda, D.V. Peshekhonov, I. Sabo, J. Ylöstalo, Jay Roberts, J. Cranshaw, M. Grosse Perdekamp, I.A. Savin, H. Gilly, J. Nassalski, N. de Botton, Takahiro Iwata, Victor Kukhtin, Lawrence Pinsky, A. Bravar, B. W. Mayes, E. Arik, W. Tlaczala, J. S. McCarthy, H. J. Kessler, Roland Windmolders, M. Lowe, A. Arvidson, H. Pereira, M. Litmaath, A. Nagaitsev, Y. Miyachi, M. Lamanna, Igor Golutvin, F. Feinstein, David Miller, L. Naumann, Julien Faivre, G. Unel, T. O. Niinikoski, T. Gaussiran, G.K. Mallot, F. Tessarotto, W. Kröger, H. Postma, J. Kiryluk, P. Schiavon, A. Schiller, B. Derro, Alessandro Bressan, D. von Harrach, Lau Gatignon, Abhay Deshpande, N.I. Zamiatin, L. Ropelewski, K. P. Schüler, P. Berglund, E. Rondio, J. H. Moromisato, G. Reicherz, P. Björkholm, Yannis K. Semertzidis, Mayda Velasco, F. Marie, L. Betev, S. Eichblatt, Patrick Hautle, T. Hasegawa, G.I. Smirnov, S. Dalla Torre, Alan D. Martin, J. M. Le Goff, T. Çuhadar, C. Cavata, Regine Willumeit, Matias Rodriguez, S. K. Dhawan, C. Dulya, G. van Middelkoop, A. Magnon, B. Frois, Günter Baum, I. Kiryushin, A. Ogawa, E. M. Kabuß, N. De Groot, J. Vogt, Naoaki Horikawa, E. von Goeler, P. Shanahan, A. Kishi, G. Rädel, G. Igo, W. Meyer, S. Rock, Clemens A. Heusch, F. Simeoni, R. Seitz, K. Haft, Ricardo Piegaia, M. Plo, A. de Lesquen, J. Pretz, L. Klostermann, J. A. Garzon, Franco Bradamante, M. Giorgi, St. Goertz, B. Badelek, S. Forthmann, C. Fernandez, R. Birsa, N. Hayashi, A. Sandacz, C.S. Ozben, Yu. Kisselev, T. Lindqvist, J. Kyynäräinen, K. Zaremba, A. Witzmann, D. L. Adams, J. Saborido, T. Akdogan, G. Bardin, A. Rijllart, Bernardo Adeva, A. Dyring, Heinrich B. Stuhrmann, A. Staude, J. Zhao, A. Gallas, T. J. Ketel, V. W. Hughes, Ulrich Landgraf, V. Krivokhijine, A. Karev, F. Lehar, T. Pussieux, Wojciech Wislicki, J. Lichtenstadt, A. Steinmetz, B. E. Bonner, Rudiger Voss, S. Bültmann, D. Pose, Michal Szleper, S. Ishimoto, S. Platchkov, J. Martino, R. van Dantzig, Daniel B. Kramer, Sergey M. Sergeev, G. Gracia, D. Thers, E. P. Sichtermann, M. Clocchiatti, U. Stiegler, Kunikazu Mori, K. Medved, Anna Zanetti, K. Kurek, C. A. Whitten, A. Tripet, D., Adam, B., Adeva, T., Akdogan, E., Arik, A., Arvidson, B., Badelek, G., Bardin, Guenter, Baum, P., Berglund, L., Betev, Birsa, Renato, P., Bjorkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, A., Bravar, Bressan, Andrea, Stephen L., Bueltmann, E., Burtin, C., Cavata, M., Clocchiatti, D., Crabb, J., Cranshaw, T., Cuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, L., Gatignon, T., Gaussiran, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, I. A., Golutvin, G., Gracia, N., De Groot, M., Grosse Perdekamp, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabu, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, I., Kiryushin, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Kramer, V., Krivokhizhin, W., Kroger, V., Kukhtin, K., Kurek, J., Kyynarainen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, H., Pereira, F., Kunne, D., Peshekhonov, R., Piegaia, Lawrence S., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, G., Radel, A., Rijllart, G., Reicherz, J. B., Robert, S. E., Rock, M., Rodriguez, E., Rondio, L., Ropelewski, I., Sabo, J., Saborido, A., Sandacz, Igor A., Savin, P., Schiavon, A., Schiller, K. P., Schuler, R., Seitz, Y., Semertzidi, S., Sergeev, P., Shanahan, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, F., Tessarotto, D., Ther, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, J., Ylostalo, A. M., Zanetti, K., Zaremba, N. I., Zamiatin, J., Zhao, and (Astro)-Particles Physics
Subjects: electron, Nuclear and High Energy Physics, SMC, DIS, muon polarimeter, media_common.quotation_subject, muon beam, Electron, Asymmetry, Nuclear physics, Magnetization, polarisation measurement, Detectors and Experimental Techniques, Nuclear Experiment, Instrumentation, media_common, Physics, Elastic scattering, Large Hadron Collider, Muon, polarised scattering, magnetised target, Polarimeter, polarised muon, Polarization (waves), Physics::Accelerator Physics, High Energy Physics::Experiment, polarised
Abstract: A muon beam polarimeter was built for the SMC experiment at the CERN SPS, for beam energies of 100 and 190 GeV. The beam polarisation is determined from the asymmetry in the elastic scattering off the polarised electrons of a ferromagnetic target whose magnetisation is periodically reversed. At muon energies of 100 and 190 GeV the measured polarisation is P-mu = -0.80 +/- 0.03 (stat.) +/- 0.02 (syst.) and P-mu = - 0.797 +/- 0.011 (stat.) +/- 0.012 (syst.), respectively. These results agree with measurements of the beam polarisation using a shape analysis of the decay positron energy spectrum. (C) 2000 Elsevier Science B.V. All rights reserved.
Published: 2000

9. Measurement of the spin-dependent structure function g1(x) of the deuteron

Author: Alan D. Martin, T. Gaussiran, W. Grübler, E. Burtin, B. E. Bonner, J. Moromisato, Jay Roberts, M. Grosse Perdekamp, C.A. Heusch, T. Layda, J.A. Buchanan, M. Rodriguez, Rudiger Voss, Takahiro Iwata, S. Ishimoto, S. Bültmann, M. Boutemeur, D. Fasching, E. M. Kabuß, A. Magnon, S. Trentalange, F. Perrot-Kunne, D. Pose, B. Frois, F. Sever, K. Lau, J. S. McCarthy, B. W. Mayes, A. Rosado, Lawrence S. Pinsky, A. de Lesquen, G. Gracia, M. D. Corcoran, P. Schiavon, L. Ropelewski, J. Martino, Sergey M. Sergeev, Günter Baum, N. de Botton, H. Stuhrmann, J. Vogt, D. Sanders, D. Crabb, R. Seitz, F. Feinstein, T. Pussieux, S. Eichblatt, N Horikawa, L. Betev, Shafqat Ahmad, D. Peshekhonov, J. Kyynäräinen, G.S. Mutchler, E. von Goeler, J.M. Clement, J. Lichtenstadt, J. Saborido, G. Smirnov, A. Witzmann, S. K. Dhawan, I. Sabo, A. Sandacz, J. Pyrlik, P. Shanahan, M. de Jong, H. Postma, V. Kukhtin, F. Tessarotto, H. J. Kessler, P. Björkholm, G. Igo, A. Arvidson, Tjeerd Ketel, C. Dulya, S. Platchkov, N. Hayashi, J. Mitchell, C. Cavata, A. Brüll, N.I. Zamiatin, M. Plo, Vernon W. Hughes, A. Karev, David Miller, I. G. Bird, S. Lopez-Ponte, J. A. Garzon, Franco Bradamante, R. Birsa, S. Okumi, Yu. Kisselev, Ricardo Piegaia, Roy Weinstein, M. Giorgi, A. Kishi, W. Knop, R. Windmolders, L. Klostermann, S. Dalla Torre, M. Lowe, C. Garabatos, B. Neganov, I. Savin, T. Lindqvist, M. Clocchiatti, Y. Tzamouranis, Aldo Penzo, Gerhard K. Mallot, A. Steinmetz, W. Thiel, L. Gatignon, Patrick Hautle, T. Çuhadar, G. Bardin, M. Ballintijn, J. M. Rieubland, J. Nassalski, K.M. Teichert, A. Yañez, Wojciech Wislicki, M. Lamanna, Donal Day, Guillermo Mesa Perez, I.A. Goloutvin, T. O. Niinikoski, B. Badelek, C. Fernandez, J. Cranshaw, Per Berglund, Julien Faivre, Andrés Gómez, I. Kiryushin, J. Oberski, A. Staude, J. P. Chen, V. Krivokhijine, F. Lehar, Ulrich Landgraf, Alessandro Bressan, D. von Harrach, Mayda Velasco, F. Marie, R. van Dantzig, G. van Middelkoop, C. A. Whitten, P. Schuler, K. Mori, R. Kaiser, Anna Zanetti, R. Segel, A. Rijllart, Bernardo Adeva, A. Dyring, L. Naumann, T. Hasegawa, E. Rondio, G. Salvato, M. Litmaath, Adeva, B., Ahmad, S., Arvidson, A., Badelek, B., Ballintijn, M. K., Bardin, G., Baum, G., Berglund, P., Betev, L., Bird, I. G., Birsa, Renato, Björkholm, P., Bonner, B. E., de Botton, N., Boutemeur, M., Bradamante, Franco, Bressan, Andrea, Brüll, A., Buchanan, J., Bültmann, S., Burtin, E., Cavata, C., Chen, J. P., Clement, J., Clocchiatti, M., Corcoran, M. D., Crabb, D., Cranshaw, J., Çuhadar, T., DALLA TORRE, Silvia, van Dantzig, R., Day, D., Dhawan, S., Dulya, C., Dyring, A., Eichblatt, S., Faivre, J. C., Fasching, D., Feinstein, F., Fernandez, C., Frois, B., Garabatos, C., Garzon, J. A., Gatignon, L., Gaussiran, T., Giorgi, Marcello, von Goeler, E., Goloutvin, I. A., Gomez, A., Gracia, G., Grosse Perdekamp, M., Grübler, W., von Harrach, D., Hasegawa, T., Hautle, P., Hayashi, N., Heusch, C. A., Horikawa, N., Hughes, V. W., Igo, G., Ishimoto, S., Iwata, T., de Jong, M., Kabuß, E. M., Kaiser, R., Karev, A., Kessler, H. J., Ketel, T. J., Kiryushin, I., Kishi, A., Kisselev, Y. u., Klostermann, L., Knop, W., Krivokhijine, V., Kukhtin, V., Kyynäräinen, J., Lamanna, M., Landgraf, U., Lau, K., Layda, T., Lehar, F., de Lesquen, A., Lichtenstadt, J., Lindqvist, T., Litmaath, M., Lopez Ponte, S., Lowe, M., Magnon, A., Mallot, G. K., Marie, F., Martin, Anna, Martino, J., Mayes, B., Mccarthy, J. S., van Middelkoop, G., Miller, D., Mitchell, J., Mori, K., Moromisato, J., Mutchler, G. S., Nassalski, J., Naumann, L., Neganov, B., Niinikoski, T. O., Oberski, J. E. J., Okumi, S., Penzo, A., Perez, G., Perrot Kunne, F., Peshekhonov, D., Piegaia, R., Pinsky, L., Platchkov, S., Plo, M., Pose, D., Postma, H., Pussieux, T., Pyrlik, J., Rieubland, J. M., Rijllart, A., Roberts, J. B., Rodriguez, M., Rondio, E., Ropelewski, L., Rosado, A., Sabo, I., Saborido, J., Salvato, G., Sandacz, A., Sanders, D., Savin, I., Schiavon, Paolo, Schüler, P., Segel, R., Seitz, R., Sergeev, S., Sever, F., Shanahan, P., Smirnov, G., Staude, A., Steinmetz, A., Stuhrmann, H., Teichert, K. M., Tessarotto, F., Thiel, W., Trentalange, S., Tzamouranis, Y., Velasco, M., Vogt, J., Voss, R., Weinstein, R., Whitten, C., Windmolders, R., Wislicki, W., Witzmann, A., Yañez, A., Zamiatin, N. I., and Zanetti, A. M.
Subjects: deuteron: polarized target, Nuclear and High Energy Physics, INELASTIC E-P, POLARIZED PROTONS, SUM-RULE, SCATTERING, ELECTROPRODUCTION, ASYMMETRY, Proton, polarized target: deuteron, deep inelastic scattering: muon deuteron, structure function: spin, muon deuteron: deep inelastic scattering, Nuclear physics, MODEL, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Neutron, polarized beam: muon, Spin-½, Physics, Quantum chromodynamics, spin: structure function, Muon, Scattering, deuteron: structure function, nucleon: structure function, CERN SPS, Deep inelastic scattering, moment, magnetic spectrometer: experimental results, approx. 100 GeV, Sum rule in quantum mechanics, muon: polarized beam, Particle Physics - Experiment
Abstract: We report on the first measurement of the spin-dependent structure function g1d of the deuteron in the deep inelastic scattering of polarised muons off polarised deuterons, in the kinematical range 0.006222. The first moment, Γ1d=sh{phonetic}01 g1d dx=0.023±0.020 (stat.) ± 0.015 (syst.), is smaller than the prediction of the Ellis-Jaffe sum rules. Using earlier measurements of g1p, we infer the first moment of the spin-dependent neutron structure function g1n. The difference Γ1p-Γ1n=0.20 ±0.05 (stat.) ± 0.04 (syst.) agrees with the prediction of the Bjorken sum rule, Γ1p-Γ1n=0.191 ±0.002.
Published: 1993

10. Spin asymmetries $A_1$ of the proton and the deuteron in the low $x$ and low $Q^2$ region from polarized high energy muon scattering

Author: B. Adeva, E. Arik, A. Arvidson, B. Badelek, Guenter Baum, P. Berglund, L. Betev, N. de Botton, A. Bravar, Stephen L. Bueltmann, E. Burtin, D. Crabb, J. Cranshaw, T. Cuhadar, R. van Dantzig, B. Derro, A. Deshpande, S. Dhawan, C. Dulya, S. Eichblatt, D. Fasching, F. Feinstein, C. Fernandez, B. Frois, A. Gallas, J. A. Garzon, H. Gilly, E. von Goeler, S. Goertz, G. Gracia, N. de Groot, M. Grosse Perdekamp, K. Haft, D. von Harrach, T. Hasegawa, P. Hautle, N. Hayashi, C. A. Heusch, N. Horikawa, V. W. Hughes, G. Igo, S. Ishimoto, T. Iwata, E. M. Kabuss, A. Karev, H. J. Kessler, T. J. Ketel, J. Kiryluk, Y.u. Kiselev, D. Kramer, W. Kroger, K. Kurek, J. Kyynarainen, M. Lamanna, U. Landgraf, J. M. Le Goff, F. Lehar, A. de Lesquen, J. Lichtenstadt, M. Litmaath, A. Magnon, G. K. Mallot, F. Marie, J. Martino, T. Matsuda, B. Mayes, J. S. McCarthy, K. Medved, W. Meyer, G. van Middelkoop, D. Miller, Y. Miyachi, K. Mori, J. Moromisato, J. Nassalski, T. O. Niinikoski, J. E. J. Oberski, A. Ogawa, C. Ozben, H. Pereira, F. Kunne, D. Peshekhonov, R. Piegaia, Lawrence S. Pinsky, S. Platchkov, M. Plo, D. Pose, H. Postma, J. Pretz, R. Puntaferro, G. Radel, G. Reicherz, J. Roberts, M. Rodriguez, E. Rondio, I. Sabo, J. Saborido, A. Sandacz, Igor A. Savin, E. P. Sichtermann, F. Simeoni, G. I. Smirnov, A. Staude, A. Steinmetz, U. Stiegler, H. Stuhrmann, F. Tessarotto, D. Thers, W. Tlaczala, A. Tripet, G. Unel, M. Velasco, J. Vogt, R. Voss, C. Whitten, R. Willumeit, R. Windmolders, W. Wislicki, A. Witzmann, A. M. Zanetti, K. Zaremba, J. Zhao, BRADAMANTE, FRANCO, DALLA TORRE, SILVIA, GIORGI, MARCELLO, MARTIN, ANNA, SCHIAVON, PAOLO, B., Adeva, E., Arik, A., Arvidson, B., Badelek, Guenter, Baum, P., Berglund, L., Betev, N., de Botton, Bradamante, Franco, A., Bravar, Stephen L., Bueltmann, E., Burtin, D., Crabb, J., Cranshaw, T., Cuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, S., Eichblatt, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, A., Galla, J. A., Garzon, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, G., Gracia, N., de Groot, M., Grosse Perdekamp, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabu, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, Kiselev, Y. u., D., Kramer, W., Kroger, K., Kurek, J., Kyynarainen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, J., Nassalski, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, H., Pereira, F., Kunne, D., Peshekhonov, R., Piegaia, Lawrence S., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, R., Puntaferro, G., Radel, G., Reicherz, J., Robert, M., Rodriguez, E., Rondio, I., Sabo, J., Saborido, A., Sandacz, Igor A., Savin, Schiavon, Paolo, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, F., Tessarotto, D., Ther, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, C., Whitten, R., Willumeit, R., Windmolder, W., Wislicki, A., Witzmann, A. M., Zanetti, K., Zaremba, and J., Zhao
Subjects: longitudinally polarized target, muon nucleon inelastic scattering, Particle Physics - Experiment
Abstract: We present the results of the spin asymmetries $A_1$ of the proton and the deuteron in the kinematic region extending down to $x=6\cdot 10^{-5}$ and $Q^2=0.01$ GeV$^2$. The data were taken with a dedicated low $x$ trigger, which required hadron detection in addition to the scattered muon, so as to reduce the background at low $x$. The results complement our previous measurements and the two sets are consistent in the overlap region. No sig\-ni\-fi\-cant spin effects are found in the newly explored region.
Published: 1999

11. A large Streamer Chamber muon tracking detector in a high-flux fixed-target application

Author: B. Frois, V. W. Hughes, J. Vogt, Kwong Lau, E. Arik, G. van Middelkoop, C. Garabatos, E. Burtin, Patrick Hautle, Ulrich Landgraf, Drew Parks, C.S. Ozben, T. O. Niinikoski, P. Berglund, A. Staude, F. Tessarotto, C. A. Whitten, A. Tripet, M. Boutemeur, D. Fasching, P. Shanahan, F. Simeoni, M. Plo, W. Kröger, W. Meyer, H Gilly, D. Crabb, Abhay Deshpande, A. Witzmann, T. Kageya, Heinrich B. Stuhrmann, J. M. Le Goff, M. K. Ballintijn, G. Gracia, Iskender Atilla Reyhancan, T. J. Ketel, N.I. Zamiatin, T. Çuhadar, T. Hasegawa, I Tzamouranis, H. Postma, D. Sanders, D. L. Adams, Clemens A. Heusch, J. Zhao, S. Rock, R. Birsa, A. Karev, Anna Zanetti, U. Stiegler, Alessandro Bressan, D. von Harrach, L. Naumann, J. H. Moromisato, A. Gallas, Yannis K. Semertzidis, A. Ogawa, F. Lehar, A. Kishi, Yu. Kisselev, B. Roscherr, C. Dulya, J. Pyrlik, G. Reicherz, K. Haft, Y. Miyachi, Mayda Velasco, Sergey M. Sergeev, B. E. Bonner, A. de Lesquen, St. Goertz, T. Lindqvist, F. Marie, L. Betev, N. Horikawa, Ricardo Piegaia, M. Giorgi, G.I. Smirnov, S. Dalla Torre, F. Perrot-Kunne, W. Tlaczala, K. Zaremba, Iu Kiryushin, Michal Szleper, I. Sabo, F. Sever, G. Igo, A Gomez-Tato, R Seitz, B. Derro, Günter Baum, Regine Willumeit, J. Saborido, T. Layda, N. de Botton, G. Bardin, G. Unel, A. Rijllart, F. Feinstein, D. Thers, E. P. Sichtermann, Bernardo Adeva, M. Lamanna, S. K. Dhawan, J. S. McCarthy, K. Kurek, S. Eichblatt, Lawrence Pinsky, Franco Bradamante, Erhan Gülmez, A. Dyring, K. P. Schüler, H. J. Kessler, Roland Windmolders, Rudiger Voss, A. Steinmetz, I.A. Savin, J.A. Garzon, Daniel B. Kramer, B. W. Mayes, M. Lowe, A. Arvidson, H. Pereira, Alan D. Martin, G. K. Mallot, S. Bültmann, P. Schiavon, E. M. Kabuß, L. Klostermann, K. M. Teichert, E. von Goeler, L. Ropelewski, Jay Roberts, M. Grosse Perdekamp, B. Badelek, N. Hayashi, D. Pose, E Rondio, Takahiro Iwata, G Raädel, Matias Rodriguez, David Miller, S. Ishimoto, I. G. Bird, J. Kyynäräinen, J. Cranshaw, S. Platchkov, J. Pretz, M. Litmaath, J. Martino, Igor Golutvin, R. van Dantzig, A. Sandacz, T. Pussieux, Wojciech Wislicki, A Rosado, T. Matsuda, D.V. Peshekhonov, C. Fernandez, J. Lichtenstadt, P. Björkholm, C. Cavata, Roy Weinstein, N. De Groot, T. Gaussiran, S. Forthmann, S. Trentalange, R. E. Segel, J. Kiryluk, Aldo Penzo, A. Magnon, A. Schiller, J. E.J. Oberski, J. Nassalski, Kunikazu Mori, K. Medved, A. Bravar, Julien Faivre, (Astro)-Particles Physics, D., Adam, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, Guenter, Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Bjorkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, A., Bravar, Bressan, Andrea, Stephen L., Bueltmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Cuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, T., Gaussiran, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, G., Gracia, N., de Groot, M., Grosse Perdekamp, Erhan, Gulmez, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabu, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, Kiryushin, I. u., A., Kishi, Kiselev, Y. u., L., Klostermann, D., Kramer, W., Kroger, K., Kurek, J., Kyynarainen, M., Lamanna, U., Landgraf, K., Lau, T., Layda, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, D. P., Park, H., Pereira, A., Penzo, F., Kunne, D., Peshekhonov, R., Piegaia, Lawrence S., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, G., Radel, I., Reyhancan, G., Reicherz, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, B., Roscherr, I., Sabo, J., Saborido, A., Sandacz, D., Sander, Igor A., Savin, Schiavon, Paolo, A., Schiller, K. P., Schuler, R., Segel, R., Seitz, Y., Semertzidi, S., Sergeev, F., Sever, P., Shanahan, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, D., Ther, W., Tlaczala, S., Trentalange, A., Tripet, I., Tzamourani, G., Unel, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Physics, DIS, Nuclear and High Energy Physics, Large Hadron Collider, SMC, Physics::Instrumentation and Detectors, business.industry, Detector, High voltage, STRIPS, Tracking (particle physics), law.invention, Nuclear physics, Optics, Large area detectors, law, Tube (fluid conveyance), Detectors and Experimental Techniques, business, Instrumentation, Beam (structure), Electronic circuit
Abstract: Arrays of limited streamer tubes of the Iarocci type were deployed in our experiment at CERN as part of a forward muon detector system with provisions for the beam to pass through the center of each panel in the array. A total of 16 4 m x 4 m panels were assembled with inductive readout strips on both sides of each panel. An active feedback system. was deployed to regulate the high voltage to the streamer tubes to insure a constant efficiency for minimum ionizing particles. The arrays were operated in this environment for over five years of data taking. Streamer tube track-reconstruction efficiencies and tube replacement rates are reported. (C) 1999 Elsevier Science B.V. All rights reserved.
Published: 1999

12. The polarized double cell target of the SMC

Author: G. van Middelkoop, Patrick Hautle, H. Postma, W. Meyer, Yu. Kisselev, G. Gracia, J. H. Moromisato, T. Lindqvist, Y. Miyachi, G. Igo, Regine Willumeit, G. Reicherz, G. Bardin, T. Gaussiran, U. Stiegler, S. Forthmann, S. Trentalange, Heinrich B. Stuhrmann, G.I. Smirnov, S. Dalla Torre, N. Horikawa, Franco Bradamante, I.A. Savin, E. Burtin, Drew Parks, Michal Szleper, F. Feinstein, B. Frois, J. Vogt, J.A. Garzon, B. W. Mayes, M. Boutemeur, D. Fasching, A. Gallas, Daniel B. Kramer, K. Kurek, A. Ogawa, A. Staude, K. P. Schüler, R. Seitz, D. von Harrach, Abhay Deshpande, T. Matsuda, D.V. Peshekhonov, S. K. Dhawan, K. Haft, Yannis K. Semertzidis, J. Pyrlik, P. Shanahan, S. Eichblatt, J. Pretz, Clemens A. Heusch, H. J. Kessler, T. Çuhadar, R. Birsa, H. Gilly, G. Rädel, P. Schiavon, D. Crabb, F. Perrot-Kunne, T. Hasegawa, F. Simeoni, M. Plo, B. E. Bonner, Jinkui Zhao, Roland Windmolders, T. Kageya, Iskender Atilla Reyhancan, Mayda Velasco, F. Marie, L. Betev, Anna Zanetti, N. de Botton, A. Kishi, A. Rosado, A. Rijllart, Bernardo Adeva, A. de Lesquen, M. Lamanna, St. Goertz, M. Lowe, A. Arvidson, H. Pereira, Andrea Bressan, C. S. Özben, B. Roscherr, Lawrence Pinsky, A. Sandacz, G. K. Mallot, T. J. Ketel, L. Klostermann, C. A. Whitten, F. Tessarotto, W. Kröger, E. Arik, Rudiger Voss, A. Tripet, G. Unel, S. Bültmann, K. M. Teichert, Matias Rodriguez, S. Rock, D. Pose, J. Kyynäräinen, K. Zaremba, A. Dyring, Jay Roberts, D. Thers, B. Badelek, E. P. Sichtermann, M. Grosse Perdekamp, J. Saborido, S. Ishimoto, T. Layda, David Miller, Günter Baum, I. Sabo, S. Platchkov, N. Hayashi, B. Neganov, V. Krivokhijine, W. Tlaczala, J. Martino, J. M. Rieubland, J. S. McCarthy, P. Björkholm, Takahiro Iwata, A. Karev, R. van Dantzig, Alan D. Martin, C. Cavata, E. von Goeler, A. Bravar, M. K. Ballintijn, A. Witzmann, F. Lehar, T. Pussieux, Wojciech Wislicki, M. Litmaath, Julien Faivre, Roy Weinstein, N. De Groot, D. L. Adams, J. Lichtenstadt, C. Fernandez, C. Dulya, I. G. Bird, Ricardo Piegaia, V. W. Hughes, M. Giorgi, A. Steinmetz, Ulrich Landgraf, P. Berglund, T.O. Niinikoski, E. Rondio, J. M. Le Goff, L. Naumann, B. Derro, R. E. Segel, J. Kiryluk, F. Sever, Erhan Gülmez, E. M. Kabuß, J. Cranshaw, Kunikazu Mori, K. Medved, J. E.J. Oberski, J. Nassalski, Aldo Penzo, A. Magnon, A. Schiller, (Astro)-Particles Physics, D., Adam, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, Guenter, Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Bjorkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, A., Bravar, Bressan, Andrea, Stephen L., Bueltmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Cuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, T., Gaussiran, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, G., Gracia, N., De Groot, M., Grosse Perdekamp, Erhan, Gulmez, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabu, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, A., Kishi, Kiselev, Y. u., L., Klostermann, D., Kramer, V., Krivokhizhin, W., Kroger, K., Kurek, J., Kyynarainen, M., Lamanna, U., Landgraf, T., Layda, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, J., Nassalski, L., Naumann, B., Neganov, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, D. P., Park, H., Pereira, A., Penzo, F., Kunne, D., Peshekhonov, R., Piegaia, Lawrence S., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, G., Radel, I., Reyhancan, G., Reicherz, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, B., Roscherr, I., Sabo, J., Saborido, A., Sandacz, Igor A., Savin, Schiavon, Paolo, A., Schiller, K. P., Schuler, R., Segel, R., Seitz, Y., Semertzidi, F., Sever, P., Shanahan, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, D., Ther, W., Tlaczala, S., Trentalange, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Physics, Nuclear and High Energy Physics, DIS, Large Hadron Collider, Muon, analysis, Scattering, SMC, Polarized target, Spin structure, polarized protons and deuterons, Polarization (waves), Deep inelastic scattering, NMR, dynamic nuclear polarization, Nuclear physics, Deuterium, Physics::Accelerator Physics, High Energy Physics::Experiment, Detectors and Experimental Techniques, Nuclear Experiment, Nucleon, Instrumentation
Abstract: The polarized target of the Spin Muon Collaboration at CERN was used for deep inelastic muon scattering experiments during 1993-1996 with a polarized muon beam to investigate the spin structure of the nucleon. Most of the experiments were carried out with longitudinal target polarization and 190 GeV muons, and some were done with transverse polarization and 100 GeV muons. Protons as well as deuterons were polarized by dynamic nuclear polarization (DNP) in three kinds of solid materials - butanol, ammonia, and deuterated butanol - with maximum degrees of polarization of 94%, 91% and 60%, respectively. Considerable attention was paid to the accuracies of the NMR polarization measurements and their analyses, the accuracies achieved were between 2.0% and 3.2%. The SMC target system with two cells of opposite polarizations, each cell 65 cm long and 5 cm in diameter, constitutes the largest polarized target system ever built and facilitates accurate spin asymmetry measurements. The design considerations, construction and performance of the target are reviewed, (C) 1999 Elsevier Science B.V. All rights reserved.
Published: 1999

13. The most powerful scintillator supernovae detector: LVD

Author: Rosario Nania, G. Cini, P. Galeotti, L. G. Dos Santos, Carlotta Castagnoli, Giuseppe Iacobucci, Roy Weinstein, F. Wang, P. Vallania, J. H. Moromisato, O. G. Ryazhskaya, G. Maccarrone, D. Parks, O. Saavedra, K. Lau, W. D. Tian, V. A. Kudryavtsev, A. S. Malguin, Tomonori Wada, E. V. Korolkova, Luisa Cifarelli, E. D. Alyea, I. A. Pless, S. Vernetto, Y. Ban, Gabriella Sartorelli, G. Bruni, K. Chen, X. Lin, R. Weathers, Behcet Alpat, B. Zhuan, J. Qiu, A. Bizzetti, S. Wang, P. Picchi, M. Deutsch, G. T. Zatsepin, Antonino Zichichi, A. Contin, T. Massam, E. S. Hafen, X. Zhu, B. Monteleoni, E. von Goeler, H. Tang, G. Yi, M. Pu, Y. Cao, D. Shen, M. Dardo, V. L. Dadikin, J. Pyrlyk, J. Ma, G. H. Mo, M. Widgoff, B. Mayes, P.G. Pelfer, Jose Chinellato, L. Xu, G. Cara Romeo, A. Turtelli, V. F. Yakushev, P. Pinna, G. Bari, Z. Mao, F. F. Khalchukov, G. Navarra, L. Panaro, R. Chen, L. Votano, Shuang Cong, J. Tang, Isao Yamamoto, Z. Xu, G. Landi, F. Grianti, V. P. Talochkin, Z. Ma, Lawrence Pinsky, N. Inoue, X. Zhou, L. Lu, K. Saitoh, V. S. Berezinsky, R. I. Enikeev, Fabrizio Fabbri, P. Antonioli, Giovanni Badino, P. Giusti, D. Sanders, C. Morello, A. Benelli, P. V. Kortchaguin, P. Haridas, R. Casaccia, Marco Aglietta, Stefano Bianco, M. Basile, A. De Silva, Akeo Misaki, V. G. Ryasny, S. Sarwar, L. Periale, S. Gu, Antonella Castellina, L. Bergamasco, Piera Luisa Ghia, Q. Zhu, W. Fulgione, V. B. Kortchaguin, N. Mengotti Silva, M. A. Markov, H. Wang, I. Uman, G. C. Trinchero, G. Anzivino, and A. Zallo
Subjects: Physics, cosmic neutrinos, scintilation counter, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Detector, Astronomy, Cosmic ray, Astrophysics, Scintillator, Neutrino interaction, cosmic rays, LVD experiment, Galaxy, Supernova, Scintillation counter, 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: 1992

14. TEXAS: a calorimeter-based high-rate detector for the SSC

Author: Teruki Kamon, Lawrence Sulak, E. Pothier, C. Oh, B.L. Roberts, F. Ayer, M. Hecht, J. Murray, J. L. Stone, M.A. Rahman, J. Mucci, J. Hofteizer, E. Womble, George Alverson, J. P. Miller, T. Thurston, T. Schulte, E. von Goeler, C. Elder, Stephen T. Dye, R. C. Webb, S. Reucroft, R.J. McIntyre, W. A. Worstell, D. Perlman, P. Jaquet, I. Leedom, J.K. Woosley, S. Klein, G. Bhanot, Dave Winn, William L. Dunn, A. Grimes, J. Reardon, G. Jones, D. Sullivan, J.W. Stapleton, F. O'Foghlundha, H. Dautat, C. E. Lane, E. Saletan, D. Orr, A.M. Yacout, W. Faissler, J. Moromisato, S.K. Myers, C. Hurlbut, M. J. Glaubman, S.L. Saupp, and J.D. Simpkins
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Muon, Missing energy, Calorimeter (particle physics), Spectrometer, Physics::Instrumentation and Detectors, Detector, Scintillator, Particle detector, Superconducting Super Collider, Nuclear physics, High Energy Physics::Experiment, Instrumentation
Abstract: The conceptual design for a novel SSC detector that focuses on calorimetry is presented. The physics goals include searches for elementary scalars of low mass (MH 600 GeV), for heavy supersymmetric matter, for compositeness and for strong vector-boson interactions. Examples of the relevant signatures are H → γγ; H → ZZ ∗ ; H → lvq q , llvv, llq q ; g g → E T miss + > 2 jets ; and a jet excess at high pT. These goals may be achieved with high precision, fast, compensated and hermetic calorimetry, optimized for electrons, photons, and jets. The design allows for total hermeticity to η = 5.5 missing energy. All the goals require operation at high luminosity and the additional concerns of γ-γ and jet-jet separation, as well as survival in a high radiation environment, are addressed by an unusually large inner radius of the detector. The detector concept consists of the following few and well defined components: a scintillating fiber tracking system incorporating an imaging preradiator, a projective, finely segmented, thick scintillator calorimeter; and a muon TRD trigger and spectrometer.
Published: 1991

15. Study of the c.r. composition and interaction at E0 = 10 – 100 TeV from the observation of H.E. muons and atmospheric Cherenkov light in EAS

Author: F. Gomez Serito, L. Pinsky, G.T. Zatsepin, A. Turtelli, A. De Silva, P. V. Korchaguin, B. Alessandro, R. Nania, A. Contin, A. Megna, L. G. Dos Santos, G. Badino, F. Cindolo, J.A. Chinellato, C. Morello, N. Inoue, M. Selvi, G.C. Trinchero, K. Lau, F. Arneodo, E.D. Alyea, V.S. Berezinsky, A. Chiavassa, A. Bosco, V.P. Talochkin, V. G. Ryasny, P. Dominici, R. Granella, F. F. Khalchukov, M. Basile, Antonella Castellina, E. S. Hafen, V. A. Kudryavtsev, R. Bertoni, G. Sartorelli, R. I. Enikeev, I. Yamamoto, P. Vallania, J. Moromisato, G. Cara Romeo, B. D'Ettorre Piazzoli, R. Weinstein, P. Picchi, G. Cini Castagnoli, G. Bari, G. Vigorito, F. Grianti, E. von Goeler, A. Zichichi, L. Emaldi, A. Pesci, I.A. Pless, O. Saavedra, G. Navarra, N. Mengotti Silva, S. Vernetto, P. Giusti, G. Mannocchi, J. Pyrlik, L. Periale, V. L. Dadykin, V. B. Korchaguin, T. Wada, O.G. Ryazhskaya, N. Taborgna, G. Bonoli, G. Conforto, M. E. Bertaina, J. Tang, L. Panaro, M. Luvisetto, Marco Aglietta, F. Bersani, M. Widgoff, R. Mantovani, S. Santini, B. Alpat, G. Guidi, P. b. Ghia, V.F. Yakushev, E. Kemp, Giuseppe Iacobucci, I. Uman, F. Vetrano, M. Deutsch, G. Maccarone, W. Fulgione, C. Castagnoli, F. L. Fabbri, K. Saitoh, A. S. Malguin, C. Ghetti, S. Tsuji, L. Votano, G. Van Buren, E. V. Korolkova, P. Haridas, Pietro Antonioli, Luisa Cifarelli, M. Iacovacci, G. Di Sciascio, T. Massam, G. Bruni, L. Bergamasco, P. Galeotti, B. Mayes, 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, G. C., Romeo, C., Castagnoli, A., Castellina, A., Chiavassa, G. C., Castagnoli, J. A., Chinellato, L., Cifarelli, F., Cindolo, G., Conforto, A., Contin, V. L., Dadykin, D'ETTORRE PIAZZOLI, Benedetto, A. D., Silva, M., Deutsch, G. D., Sciascio, P., Dominici, L. G., Do, L., Emaldi, R. I., Enikeev, F. L., Fabbri, W., Fulgione, P., Galeotti, C., Ghetti, P., Ghia, P., Giusti, F. G., Serito, 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, M., Luvisetto, G., Maccarone, A. S., Malguin, G., Mannocchi, R., Mantovani, T., Massam, B., Maye, A., Megna, N. M., Silva, C., Morello, J., Moromisato, R., Nania, G., Navarra, 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, G. V., Buren, 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 reaction, Physics, GRAN SASSO, Nuclear and High Energy Physics, Range (particle radiation), Particle physics, Muon, Astrophysics::High Energy Astrophysical Phenomena, Cosmic ray, Threshold energy, Atomic and Molecular Physics, and Optics, Nuclear physics, High Energy Physics::Experiment, Nucleon, DETECTOR, Cherenkov radiation, Lepton
Abstract: In the energy region 10 - 100 TeV both the c.r. composition from direct measurements and the cross section for high energy secondary production in the very forward region for p-air interactions are rather uncertain. Contemporaneous measurements of the total energy and of the threshold energy/nucleon of the primary particle can be provided by the atmospheric Cherenkov light and high energy muons. These measurements are performed by the combined operation of the Cherenkov array of the EAS-TOP experiment on the surface (810 gcm(2) atmospheric depth) and of the LVD experiment in the underground Gran Sasso Laboratories (3300 m w.e.; E-mu(th) = 1.3 TeV) leading to the measurement of < N-mu > (E-mu > 1.3 TeV, E-o) in the given energy range. The combined operation of the experiments and preliminary results are reported.
Published: 1999

16. A Next-to-leading order QCD analysis of the spin structure function g(1)

Author: B. Adeva, T. Akdogan, E. Arik, B. Badelek, G. Bardin, G. Baum, P. Berglund, L. Betev, R. Birsa, N. de Botton, F. Bradamante, A. Bravar, A. Bressan, S. Bültmann, E. Burtin, C. Cavata, D. Crabb, J. Cranshaw, T. Çuhadai, S. Dalla Torre, R. van Dantzig, B. Derro, A. Deshpande, S. Dhawan, C. Dulya, S. Eichblatt, D. Fasching, F. Feinstein, C. Fernandez, S. Forthmann, B. Frois, A. Gallas, J. A. Garzon, H. Gilly, M. Giorgi, E. von Goeler, S. Goertz, G. Gracia, N. de Groot, M. Grosse Perdekamp, K. Haft, D. von Harrach, T. Hasegawa, P. Hautle, N. Hayashi, C. A. Heusch, N. Horikawa, V. W. Hughes, G. Igo, S. Ishimoto, T. Iwata, E. M. Kabuß, T. Kageya, A. Karev, H. J. Kessler, T. J. Ketel, J. Kiryluk, Yu. Kisselev, D. Krämer, V. Krivokhijine, W. Kröger, V. Kukhtin, K. Kurek, J. Kyynäräinen, M. Lamanna, U. Landgraf, J. M. Le Goff, F. Lehar, A. de Lesquen, J. Lichtenstadt, M. Litmaath, A. Magnon, G. K. Mallot, F. Marie, A. Martin, J. Martino, T. Matsuda, B. Mayes, J. S. McCarthy, K. Medved, W. Meyer, G. van Middelkoop, D. Miller, Y. Miyachi, K. Mori, J. Moromisato, J. Nassalski, L. Naumann, T. O. Niinikoski, J. E. J. Oberski, A. Ogawa, C. Ozben, H. Pereira, F. Perrot-Kunne, D. Peshekhonov, R. Piegaia, L. Pinsky, S. Platchkov, M. Plo, D. Pose, H. Postma, J. Pretz, R. Puntaferro, T. Pussieux, G. Rädel, A. Rijllart, G. Reicherz, J. Roberts, M. Rodriguez, E. Rondio, I. Sabo, J. Saborido, A. Sandacz, I. Savin, P. Schiavon, A. Schiller, E. P. Sichtermann, F. Simeoni, G. I. Smirnov, A. Staude, A. Steinmetz, U. Stiegler, H. Stuhrmann, M. Szleper, F. Tessarotto, D. Thers, W. Tlaczala, A. Tripet, G. Unel, M. Velasco, J. Vogt, R. Voss, C. Whitten, R. Windmolders, R. Willumeit, W. Wislicki, A. Witzmann, J. Ylöstalo, A. M. Zanetti, K. Zaremba, J. Zhao, (Astro)-Particles Physics, B., Adeva, T., Akdogan, E., Arik, B., Badelek, G., Bardin, Guenter, Baum, P., Berglund, L., Betev, Birsa, Renato, N., de Botton, Bradamante, Franco, A., Bravar, Bressan, Andrea, Stephen L., Bueltmann, E., Burtin, D., Crabb, J., Cranshaw, T., Cuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, C., Dulya, S., Eichblatt, D., Fasching, F., Feinstein, C., Fernandez, S., Forthmann, B., Froi, A., Galla, J. A., Garzon, H., Gilly, Giorgi, Marcello, E., von Goeler, S., Goertz, G., Gracia, N., de Groot, M., Grosse Perdekamp, K., Haft, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabu, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, J., Kiryluk, Kiselev, Y. u., D., Kramer, V., Krivokhizhin, W., Kroger, V., Kukhtin, K., Kurek, J., Kyynarainen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, Y., Miyachi, K., Mori, J., Moromisato, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, H., Pereira, F., Kunne, D., Peshekhonov, R., Piegaia, Lawrence S., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, R., Puntaferro, G., Radel, A., Rijllart, G., Reicherz, J., Robert, M., Rodriguez, E., Rondio, I., Sabo, J., Saborido, A., Sandacz, Igor A., Savin, Schiavon, Paolo, A., Schiller, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, F., Tessarotto, D., Ther, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, J., Ylostalo, A. M., Zanetti, K., Zaremba, and J., Zhao
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, DIS, Muon, SMC, High Energy Physics::Phenomenology, Parton, Function (mathematics), Spin structure, NLO Analysis, Factorization, High Energy Physics::Experiment, Sum rule in quantum mechanics, Nuclear Experiment, Particle Physics - Experiment, Spin-½
Abstract: We present a next-to-leading order QCD analysis of the presently available data on the spin structure function [Formula Presented] including the final data from the Spin Muon Collaboration. We present results for the first moments of the proton, deuteron, and neutron structure functions, and determine singlet and nonsinglet parton distributions in two factorization schemes. We also test the Bjorken sum rule and find agreement with the theoretical prediction at the level of 10%. © 1998 The American Physical Society.
Published: 1998

17. A line-shape analysis for spin-1 NMR signals

Author: J. Kyynärämen, S. Bültmann, J. Vogt, D. Crabb, T. Pussieux, F. Lehar, D. Krämer, F. Tessarotto, Yu. Kisselev, F. Perrot-Kunne, W. Kröger, Iskender Atilla Reyhancan, T. Lindqvist, J. Ylöstalo, L. Naumann, J. Cranshaw, A. Bressan, P. Schiavon, W. Wislicki, I. Sabo, A. Karev, C. Dulya, Matias Rodriguez, M. Litmaath, G. Igo, T. Çuhadar, J. A. Garzon, A. Steinmetz, Franco Bradamante, D. Y. Bardin, B. Derro, Heinrich B. Stuhrmann, J. Harmsen, A. Witzmann, Günter Baum, Ricardo Piegaia, M. Giorgi, N. Horikawa, Patrick Hautle, P. Berglund, Clemens A. Heusch, E. Rondio, D. L. Adams, S. K. Dhawan, J. Zhao, R. Birsa, F. Feinstein, A. Magnon, N. de Botton, D. Pose, Victor Kukhtin, G. Unel, J. H. Moromisato, K. Zaremba, H. J. Kessler, M. Lamanna, E. von Goeler, F. Sever, Roland Windmolders, D. Peshekhonov, K. Rurek, G. van Middelkoop, M. Plo, G. Reicherz, V. W. Hughes, S. Dalla Torre, David Miller, A. Arvidson, L. Klostermann, E. Gülmez, J. M. Le Goff, Alan D. Martin, E. Burtin, T. Kageya, E. M. Kabuß, A. Gallas, H. Postma, R. E. Segel, M. K. Ballintijn, A. Ogawa, G. K. Mallot, M. Boutemeur, D. Fasching, W. Meyer, J. Saborido, T. Hasegawa, J. S. McCarthy, A. de Lesquen, K. M. Teichert, A. Rijllart, Anna Zanetti, T. Matsuda, J. Pretz, A. Kishi, J. Martino, Bernardo Adeva, Jay Roberts, A. Rosado, R. Gehring, D. von Harrach, M. Lowe, T. Gaussiran, Lawrence S. Pinsky, St. Goertz, Michal Szleper, M. Grosse Perdekamp, Yannis K. Semertzidis, J. Pyrlik, J. C. Faivre, C. A. Whitten, Lidia Kalinovskaya, G. Gracia, Regine Willumeit, A. Sandacz, L. Betev, A. Dyring, W. Tlaczala, I.A. Savin, M. Velasco, Takahiro Iwata, S. Eichblatt, S. Rock, P. Björkholm, B. W. Mayes, C. Cavata, E. P. Sichtermann, P. Shanahan, B. Frois, K. P. Schüler, E. Arik, U. Stiegler, Roy Weinstein, N. De Groot, F. Simeoni, A. Nagaitsev, G.I. Smirnov, F. Marie, Aina Yañez, T. O. Niinikoski, J. E.J. Oberski, J. Nassalski, R. Seitz, Faustino Gómez, Kunikazu Mori, K. Medved, A. Tripet, J. Lichtenstadt, S. Platchkov, S. Ishimoto, R. van Dantzig, B. E. Bonner, C. S. Özben, Rudiger Voss, Ulrich Landgraf, V. G. Krivokhijine, Drew Parks, G. Bardin, A. Staude, Abhay Deshpande, T. J. Ketel, B. Badelek, C. Fernandez, N. Hayashi, I. G. Bird, (Astro)-Particles Physics, C., Dulya, D., Adam, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, D., Bardin, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, Bressan, Andrea, S., Bültmann, E., Burtin, C., Cavata, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, B., Derro, A., Deshpande, S., Dhawan, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, A., Galla, J. A., Garzon, T., Gaussiran, R., Gehring, Giorgi, Marcello, E., von Goeler, Goertz, S. t., F., Gomez, G., Gracia, N., de Groot, M., Grosse Perdekamp, E., Gülmez, J., Harmsen, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, L., Kalinovskaya, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, W., Kröger, V., Kukhtin, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, W., Meyer, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, D. P., Park, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, G., Reicherz, I., Reyhancan, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Segel, R., Seitz, Y., Semertzidi, F., Sever, P., Shanahan, E. P., Sichtermann, F., Simeoni, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, K. M., Teichert, F., Tessarotto, W., Tlaczala, A., Tripet, G., Unel, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, A., Yañez, J., Ylöstalo, Zanetti, ANNA MARIA, K., Zaremba, and J., Zhao
Subjects: Coupling constant, Physics, dis, Nuclear and High Energy Physics, Butanol, media_common.quotation_subject, smc, polarized target, Q meter, di, Polarization (waves), Asymmetry, Molecular physics, chemistry.chemical_compound, Dipole, Nuclear magnetic resonance, Deuterium, chemistry, Detectors and Experimental Techniques, Instrumentation, Shape analysis (digital geometry), media_common
Abstract: An analytic model of the deuteron absorption function has been developed and is compared to experimental NMR signals of deuterated butanol obtained at the SMC experiment in order to determine the deuteron polarization. The absorption function model includes dipolar broadening and a frequency-dependent treatment of the intensity factors. The high-precision TE signal data available are used to adjust the model for Q-meter distortions and dispersion effects. Once the Q-meter adjustment is made, the enhanced polarizations determined by the asymmetry and TE-calibration methods compare well within the accuracy of each method. In analyzing the NMR signals, the quadrupolar coupling constants could be determined for both the CD and the OD bonds of deuterated butanol.
Published: 1997

18. A new measurement of the spin-dependent structure function $g_{1}(x)$ of the deuteron

Author: T. Kageya, A. Staude, L. Naumann, T. Pussieux, C. Dulya, C. A. Heusch, D. Peshekhonov, E. Arik, H. Postma, Ricardo Piegaia, Cristino Pérez, S. Rock, S. K. Dhawan, Iskender Atilla Reyhancan, M. Giorgi, S. Ishimoto, U. Stiegler, L. Klostermann, P. Schiavon, T. O. Niinikoski, T. J. Ketel, A. Nagaitsev, S. Lopez-Ponte, N. de Botton, Abhay Deshpande, E. P. Sichtermann, A. Steinmetz, L. Betev, M. Lamanna, E. Rondio, R. van Dantzig, David Miller, P. Shanahan, M. Plo, H. Stuhrmann, A. Ogawa, G.I. Smirnov, R. Granier de Cassagnac, H. J. Kessler, Roland Windmolders, J. M. Le Goff, M. Clocchiatti, M. K. Ballintijn, A. Arvidson, J. Lichtenstadt, S. Platchkov, G. K. Mallot, S. Eichblatt, J. Kyynäräinen, T. Hasegawa, J. Nassalski, Yu. Kisselev, M. Rodriguez, I. Sabo, Patrick Hautle, B. E. Bonner, A. Karev, F. Marie, R.E. Segel, I.A. Savin, V. G. Krivokhijine, Michal Szleper, A. Kishi, E. M. Kabuß, G. Igo, Alan D. Martin, J. E.J. Oberski, C. S. Özben, R. Seitz, Jay Roberts, M. Grosse Perdekamp, T. Çuhadar, Rudiger Voss, G. Bardin, B. W. Mayes, J. Pretz, S. Bültmann, J. A. Garzon, Franco Bradamante, Takahiro Iwata, J. Zhao, E. Burtin, Wojciech Wislicki, E. Gülmez, A. Magnon, J. Cranshaw, G. Gracia, D. Fasching, J. Saborido, A. Sandacz, Anna Zanetti, R. Birsa, F. Feinstein, Alessandro Bressan, J. Martino, D. von Harrach, Donald Crabb, P. Björkholm, C. Cavata, Yannis K. Semertzidis, J. Pyrlik, Kunikazu Mori, Naoaki Horikawa, Regine Willumeit, C. A. Whitten, Mayda Velasco, Lawrence Pinsky, K. Medved, J. S. McCarthy, A. Dyring, F. Lehar, A. Witzmann, G. van Middelkoop, Aldo Penzo, D. L. Adams, D. Pose, Ulrich Landgraf, A. de Lesquen, B. Badelek, C. Fernandez, N. Hayashi, A. Rijllart, Bernardo Adeva, M. Litmaath, Günter Baum, P. Berglund, E. von Goeler, B. Frois, Roy Weinstein, D. Krämer, Krzysztof Kurek, N. De Groot, T. Matsuda, M. Lowe, J. Vogt, J. H. Moromisato, Vernon W. Hughes, S. Dalla Torre, F. Tessarotto, F. Perrot-Kunne, W. Kröger, D., Adam, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, Bradamante, Franco, Bressan, Andrea, S., Bültmann, E., Burtin, C., Cavata, M., Clocchiatti, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, A., Deshpande, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, J. A., Garzon, Giorgi, Marcello, E., von Goeler, G., Gracia, R., Granier de Cassagnac, N., de Groot, M., Grosse Perdekamp, E., Gülmez, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuß, T., Kageya, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, W., Kröger, K., Kurek, J., Kyynäräinen, M., Lamanna, U., Landgraf, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, A., Ogawa, C., Ozben, A., Penzo, C., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, I., Reyhancan, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, R., Segel, R., Seitz, Y., Semertzidi, P., Shanahan, E. P., Sichtermann, G. I., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, M., Szleper, F., Tessarotto, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, Zanetti, ANNA MARIA, and J., Zhao
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Muon, Structure function, Deep inelastic scattering, deep inelastic scattering, spin sum rule, SMC experiment, Standard deviation, Nuclear physics, Deuterium, Sum rule in quantum mechanics, Particle Physics - Experiment, Spin-½
Abstract: We present a new measurement of the spin-dependent structure function g 1 d of the deuteron in deep inelastic scattering of 190 GeV polarised muons on polarised deuterons, in the kinematic range 0.003 x 2 Q 2 2 . This structure function is found to be negative at small x . The first moment Γ 1 d =∫ 0 1 g 1 d d x evaluated at Q 0 2 = 10 GeV 2 is 0.034 ± 0.009 (stat.) ± 0.006 (syst.). This value is below the Ellis-Jaffe sum rule prediction by three standard deviations. Using our earlier determination of Γ 1 p , we obtain Γ 1 p − Γ 1 n = 0.199 ± 0.038 which agrees with the Bjorken sum rule.
Published: 1995

19. Combined analysis of world data on nucleon spin structure functions

Author: F. Tessarotto, S. Ishimoto, B. Frois, Shafqat Ahmad, N. Horikawa, A. Penzo, L. Naumann, H. Stuhrmann, M. Plo, W. Wislicki, C. A. Heusch, K. Lau, A. Staude, T. Lindqvist, Per Berglund, J. Cranshaw, A. Witzmann, J. P. Chen, D.V. Peshekhonov, Günter Baum, L. Klostermann, A. Kishi, S. Eichblatt, M. Ballintijn, N. Hayashi, A. Sandacz, R. Kaiser, Lawrence S. Pinsky, A. de Lesquen, A. Dyring, J. S. McCarthy, D. Fasching, G.I. Smirnov, B. E. Bonner, E. von Goeler, S. Platchkov, J. Saborido, A. Martin, T. Gaussiran, S. Trentalange, H. Postma, Ulrich Landgraf, T. J. Ketel, G. van Middelkoop, K. Mori, Sergey M. Sergeev, L. Ropelewski, S. Lopez-Ponte, M. Boutemeur, J. Clement, Yu. Kisselev, H. J. Kessler, W. Thiel, C. Dulya, R. Segel, S. Bültmann, T. Pussieux, C. A. Whitten, R. Voss, V. Krivokhijine, M. Giorgi, A. Karev, E. Burtin, Y. Tzamouranis, Ricardo Piegaia, A. Rijllart, D. Pose, T. Hasegawa, K. M. Teichert, K. P. Schüler, I. Sabo, Bernardo Adeva, F. Feinstein, M. Velasco, A. Arvidson, S. K. Dhawan, T. Çuhadar, G. Bardin, T. Layda, R. van Dantzig, G. Gracia, E. Rondio, M. Lowe, S. Dalla Torre, D. Sanders, E. M. Kabuß, M. Clocchiatti, A. Magnon, I.A. Savin, M. Litmaath, F. Perrot-Kunne, F. Lehar, G. Perez, S. Okumi, B. W. Mayes, G. S. Mutchler, A. Brüll, Gerhard K. Mallot, J. Moromisato, Alessandro Bressan, D. Day, D. von Harrach, J. M. Rieubland, N. de Botton, Victor Kukhtin, J. Pyrlik, M. Grosse Perdekamp, L. Betev, I. G. Bird, A. Rosado, J. A. Buchanan, Takahiro Iwata, F. Marie, C. Garabatos, J. Martino, D. Crabb, J. Vogt, A. Steinmetz, J. Mitchell, M. D. Corcoran, M. de Jong, J. E. J. Oberski, Jinkui Zhao, Phiala E. Shanahan, Aina Yañez, T. O. Niinikoski, Deborah L. Miller, R. Birsa, B. Badelek, C. Fernandez, J. B. Roberts, R. Windmolders, Andrés Gómez, F. Sever, V. W. Hughes, Matias Rodriguez, R. Seitz, J. Lichtenstadt, G. Igo, J. A. Garzon, Franco Bradamante, M. Lamanna, P. Björkholm, C. Cavata, A. M. Zanetti, P. Schiavon, J. Nassalski, Roy Weinstein, J. C. Faivre, J. Kyynäräinen, B., Adeva, S., Ahmad, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, Bressan, Andrea, A., Brüll, J., Buchanan, S., Bültmann, E., Burtin, C., Cavata, J. P., Chen, J., Clement, M., Clocchiatti, M. D., Corcoran, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, D., Day, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, C., Garabato, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, A., Gomez, G., Gracia, M., Grosse Perdekamp, D., von Harrach, T., Hasegawa, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, M., de Jong, E. M., Kabuß, R., Kaiser, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, V., Krivokhijine, V., Kukhtin, J., Kyynäräinen, M., Lamanna, U., Landgraf, K., Lau, T., Layda, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, B., Maye, J. S., Mccarthy, G., van Middelkoop, D., Miller, J., Mitchell, K., Mori, J., Moromisato, G. S., Mutchler, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, S., Okumi, A., Penzo, G., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, T., Pussieux, J., Pyrlik, J. M., Rieubland, A., Rijllart, J. B., Robert, M., Rodriguez, E., Rondio, L., Ropelewski, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, D., Sander, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Segel, R., Seitz, S., Sergeev, F., Sever, P., Shanahan, G., Smirnov, A., Staude, A., Steinmetz, H., Stuhrmann, K. M., Teichert, F., Tessarotto, W., Thiel, S., Trentalange, Y., Tzamourani, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, W., Wislicki, A., Witzmann, A., Yañez, Zanetti, ANNA MARIA, and J., Zhao
Subjects: Quark, Nuclear and High Energy Physics, Particle physics, Strange quark, Neutron magnetic moment, n: structure function, Nuclear Theory, sum rule: Bjorken, Nucleon spin structure, structure function: spin, Nuclear physics, numerical calculations: interpretation of experiments, polarised deep inelastic scattering, quark: strangeness, Neutron, p: structure function, structure function: moment, Nuclear Experiment, Spin-½, Physics, spin: structure function, deuteron: structure function, deuteron and neutron spin dependent structure function, deuteron and neutron spin dependent structure functions, quark: spin, Nuclear magnetic moment, High Energy Physics::Experiment, Nucleon, SMC experiment, proton, Particle Physics - Experiment, spin: quark
Abstract: We analyse the proton, deuteron and neutron spin dependent structure functions at fixed $Q^{2}$ = 5 GeV$^{2}$. The experimental asymmetries for the proton, neutron and deuteron are compared and found to be consistent. The first moment of the neutron structure function is evaluated using all available data. We find that the Bjorken sum rule is confirmed within an experimental uncertainty of 17%. The quark spin contribution to the nucleon spin is small, and the strange quark spin content is different from zero.
Published: 1994

20. Measurement of the deuteron polarization in a large target

Author: B. Frois, F. Sever, J. Vogt, G. Salvato, G. Gracia, S. Ishimoto, D. Sanders, Sergey M. Sergeev, T. Lindqvist, N. Horikawa, R. Seitz, H. Postma, I. Sabo, D.V. Peshekhonov, G. Bardin, M. Litmaath, Alessandro Bressan, M. Lowe, D. von Harrach, P. Shanahan, J. H. Moromisato, R. Kaiser, R. Voss, C. Whitten, J. Pyrlik, Tjeerd Ketel, M. Plo, F. Marie, L. Betev, G. Perez, R. van Dantzig, T. Çuhadar, S. Platchkov, A. Sandacz, O. Rondon, A. Brüll, G.I. Smirnov, S. Dalla Torre, G. van Middelkoop, M. Clocchiatti, Anna Zanetti, A. Witzmann, M. Ballintijn, J. Kyynäräinen, N. Hayashi, K. Mori, P. Björkholm, H. Stuhrmann, C. A. Heusch, C. Cavata, J.M. Clement, T. Pussieux, Roy Weinstein, L. Klostermann, B. Neganov, Gerhard K. Mallot, T. O. Niinikoski, J. Lichtenstadt, J. M. Rieubland, Kwong Lau, B. E. Bonner, J.A. Buchanan, M. Rodriguez, F. Perrot-Kunne, S. Bültmann, Patrick Hautle, D. Pose, Donal Day, N. de Botton, Victor Kukhtin, M. Lamanna, A. Rijllart, Bernardo Adeva, F. Tessarotto, N.I. Zamiatin, A. Dyring, P. Schüler, C. Garabatos, David Miller, L. Naumann, C. Dulya, P. Berglund, E. Rondio, Ricardo Piegaia, M. Giorgi, T. Layda, T. Gaussiran, Y. Kisselev, J. Cranshaw, T. Hasegawa, Shafqat Ahmad, I. A. Golutvin, M. Velasco, W. Thiel, Wojciech Wislicki, S. Eichblatt, J. Saborido, S. Okumi, S. Lopez-Ponte, W. Knop, E. Burtin, M. Boutemeur, D. Fasching, E. M. Kabuss, J. S. McCarthy, A. Kishi, A. Rosado, Lawrence S. Pinsky, A. de Lesquen, J. Oberski, A. Staude, R. Birsa, D. Krämer, Y. Tzamouranis, J. Mitchell, Aldo Penzo, A. Magnon, J. P. Chen, M. D. Corcoran, Günter Baum, V. Krivokhijine, A. Steinmetz, A. Karev, R.E. Segel, F. Lehar, E. von Goeler, Alan D. Martin, W. Grübler, J. Martino, V. W. Hughes, D. Crabb, Ulrich Landgraf, F. Feinstein, G.S. Mutchler, K. M. Teichert, Jay Roberts, I. G. Bird, M. Grosse Perdekamp, G. Igo, Takahiro Iwata, J. A. Garzon, Franco Bradamante, H. J. Kessler, Roland Windmolders, I.A. Savin, P. Schiavon, B. W. Mayes, L. Ropelewski, A. Arvidson, S. K. Dhawan, M. de Jong, Julien Faivre, J. Nassalski, A. Yañez, B. Badelek, C. Fernandez, Andrés Gómez, I. Kiryushin, B., Adeva, S., Ahmad, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, M., Boutemeur, Bradamante, Franco, Bressan, Andrea, A., Brüll, J., Buchanan, S., Bültmann, E., Burtin, C., Cavata, J. P., Chen, J., Clement, M., Clocchiatti, M. D., Corcoran, D., Crabb, J., Cranshaw, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, D., Day, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, C., Garabato, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, I. A., Golutvin, A., Gomez, G., Gracia, M., Grosse Perdekamp, W., Grübler, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, M., de Jong, E. M., Kabu, R., Kaiser, A., Karev, H. J., Kessler, T. J., Ketel, I., Kiryushin, A., Kishi, Y., Kisselev, L., Klostermann, W., Knop, D., Krämer, V., Krivokhijine, V., Kukhtin, J., Kyynäräinen, M., Lamanna, U., Landgraf, K., Lau, T., Layda, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, B., Maye, J. S., Mccarthy, G., van Middelkoop, D., Miller, J., Mitchell, K., Mori, J., Moromisato, G. S., Mutchler, J., Nassalski, L., Naumann, B., Neganov, T. O., Niinikoski, J. E. J., Oberski, S., Okumi, A., Penzo, G., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, T., Pussieux, J., Pyrlik, J. M., Rieubland, A., Rijllart, J. B., Robert, M., Rodriguez, E., Rondio, O., Rondon, L., Ropelewski, A., Rosado, I., Sabo, J., Saborido, G., Salvato, A., Sandacz, D., Sander, I., Savin, Schiavon, Paolo, P., Schüler, R., Segel, R., Seitz, S., Sergeev, F., Sever, P., Shanahan, G., Smirnov, A., Staude, A., Steinmetz, H., Stuhrmann, K. M., Teichert, F., Tessarotto, W., Thiel, Y., Tzamourani, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, W., Wislicki, A., Witzmann, A., Yañez, N. I., Zamiatin, and Zanetti, ANNA MARIA
Subjects: Nuclear and High Energy Physics, deuteron: polarized target, deuteron target polarization measurement, PROTON, ND3, polarized target: deuteron, polarization: longitudinal, measurement: polarization, muon deuteron: nuclear reaction, Electromagnetic interference, Nuclear physics, Thermal, NMR system, Detectors and Experimental Techniques, Instrumentation, polarized beam: muon, Physics, Thermal equilibrium, Reproducibility, Muon, magnetic: resonance, CERN SPS, Polarization (waves), longitudinal: polarization, Magnetic field, Computational physics, Deuterium, polarization: measurement, resonance: magnetic, muon: polarized beam
Abstract: The 10-probe NMR system for measuring the polarization in the deuterated butanol target of the Spin Muon Collaboration is presented. It is calibrated by determining the integrated spectrum in thermal equilibrium at 1 K. Thermal stabilization and control of electromagnetic interference were effective in reducing drift and electronic noise, so that high quality thermal equilibrium signals were obtained. The calibration constant was determined with a reproducibility of 2%. Systematic effects of circuit drift and of the magnetic field shift have been studied. The resulting 4.4% uncertainty of the calibration dominates the 5% overall error on the target polarization value which was typically 0.45.
Published: 1994

21. Spin Asymmetry in Muon--Proton Deep Inelastic Scattering on a Transversely-Polarized Target

Author: D. Adams, B. Adeva, E. Arik, A. Arvidson, B. Badelek, M.K. Ballintijn, G. Bardin, G. Baum, P. Berglund, L. Betev, I.G. Bird, R. Birsa, P. Björkholm, B.E. Bonner, N. de Botton, F. Bradamante, A. Bressan, A. Brüll, S. Bültmann, E. Burtin, C. Cavata, M. Clocchiatti, M.D. Corcoran, D. Crabb, J. Cranshaw, M. Crawford, T. Çuhadar, S. Dalla Torre, R. van Dantzig, S. Dhawan, C. Dulya, A. Dyring, S. Eichblatt, J.C. Faivre, D. Fasching, F. Feinstein, C. Fernandez, B. Frois, J.A. Garzon, T. Gaussiran, M. Giorgi, E. von Goeler, G. Gracia, N. de Groot, M. Grosse Perdekamp, E. Gülmez, D. von Harrach, T. Hasegawa, P. Hautle, N. Hayashi, C.A. Heusch, N. Horikawa, V.W. Hughes, G. Igo, S. Ishimoto, T. Iwata, E.M. Kabuβ, R. Kaiser, A. Karev, H.J. Kessler, T.J. Ketel, A. Kishi, Yu. Kisselev, L. Klostermann, D. Krämer, V. Krivokhijine, V. Kukhtin, J. Kyynäräinen, M. Lamanna, U. Landgraf, K. Lau, T. Layda, J.M. Le Goff, F. Lehar, A. de Lesquen, J. Lichtenstadt, T. Lindqvist, M. Litmaath, S. Lopez-Ponte, M. Lowe, A. Magnon, G.K. Mallot, F. Marie, A. Martin, J. Martino, T. Matsuda, B. Mayes, J.S. McCarthy, K. Medved, G. van Middelkoop, D. Miller, K. Mori, J. Moromisato, A. Nagaitsev, J. Nassalski, L. Naumann, T.O. Niinikoski, J.E.J. Oberski, D.P. Parks, A. Penzo, C. Perez, F. Perrot-Kunne, D. Peshekhonov, R. Piegaia, L. Pinsky, S. Platchkov, M. Plo, D. Pose, H. Postma, J. Pretz, T. Pussieux, J. Pyrlik, I. Reyhancan, J.M. Rieubland, A. Rijllart, J.B. Roberts, S. Rock, M. Rodriguez, E. Rondio, A. Rosado, I. Sabo, J. Saborido, A. Sandacz, I. Savin, P. Schiavon, K.P. Schüler, R. Segel, R. Seitz, Y. Semertzidis, F. Sever, P. Shanahan, N. Shumeiko, G. Smirnov, A. Staude, A. Steinmetz, U. Stiegler, H. Stuhrmann, K.M. Teichert, F. Tessarotto, M. Velasco, J. Vogt, R. Voss, R. Weinstein, C. Whitten, R. Windmolders, R. Willumeit, W. Wislicki, A. Witzmann, A.M. Zanetti, J. Zhao, D., Adam, B., Adeva, E., Arik, A., Arvidson, B., Badelek, M. K., Ballintijn, G., Bardin, G., Baum, P., Berglund, L., Betev, I. G., Bird, Birsa, Renato, P., Björkholm, B. E., Bonner, N., de Botton, Bradamante, Franco, Bressan, Andrea, A., Brüll, S., Bültmann, E., Burtin, C., Cavata, M., Clocchiatti, M. D., Corcoran, D., Crabb, J., Cranshaw, M., Crawford, T., Çuhadar, DALLA TORRE, Silvia, R., van Dantzig, S., Dhawan, C., Dulya, A., Dyring, S., Eichblatt, J. C., Faivre, D., Fasching, F., Feinstein, C., Fernandez, B., Froi, J. A., Garzon, T., Gaussiran, Giorgi, Marcello, E., von Goeler, G., Gracia, N., de Groot, M., Grosse Perdekamp, E., Gülmez, D., von Harrach, T., Hasegawa, P., Hautle, N., Hayashi, C. A., Heusch, N., Horikawa, V. W., Hughe, G., Igo, S., Ishimoto, T., Iwata, E. M., Kabuβ, R., Kaiser, A., Karev, H. J., Kessler, T. J., Ketel, A., Kishi, Kisselev, Y. u., L., Klostermann, D., Krämer, V., Krivokhijine, V., Kukhtin, J., Kyynäräinen, M., Lamanna, U., Landgraf, K., Lau, T., Layda, J. M., Le Goff, F., Lehar, A., de Lesquen, J., Lichtenstadt, T., Lindqvist, M., Litmaath, S., Lopez Ponte, M., Lowe, A., Magnon, G. K., Mallot, F., Marie, Martin, Anna, J., Martino, T., Matsuda, B., Maye, J. S., Mccarthy, K., Medved, G., van Middelkoop, D., Miller, K., Mori, J., Moromisato, A., Nagaitsev, J., Nassalski, L., Naumann, T. O., Niinikoski, J. E. J., Oberski, D. P., Park, A., Penzo, C., Perez, F., Perrot Kunne, D., Peshekhonov, R., Piegaia, L., Pinsky, S., Platchkov, M., Plo, D., Pose, H., Postma, J., Pretz, T., Pussieux, J., Pyrlik, I., Reyhancan, J. M., Rieubland, A., Rijllart, J. B., Robert, S., Rock, M., Rodriguez, E., Rondio, A., Rosado, I., Sabo, J., Saborido, A., Sandacz, I., Savin, Schiavon, Paolo, K. P., Schüler, R., Segel, R., Seitz, Y., Semertzidi, F., Sever, P., Shanahan, N., Shumeiko, G., Smirnov, A., Staude, A., Steinmetz, U., Stiegler, H., Stuhrmann, K. M., Teichert, F., Tessarotto, M., Velasco, J., Vogt, R., Vo, R., Weinstein, C., Whitten, R., Windmolder, R., Willumeit, W., Wislicki, A., Witzmann, Zanetti, ANNA MARIA, and J., Zhao
Subjects: Nuclear and High Energy Physics, Particle physics, Proton, media_common.quotation_subject, transversely polarized protons, polarization: longitudinal, FOS: Physical sciences, structure function: spin, Inelastic scattering, Spin structure, Asymmetry, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), p: polarized target, Experiment-HEP, deep inelastic scattering, deep inelastic scattering: muon p, polarization: transverse, Nuclear Experiment, polarized beam: muon, SMC experiment, Spin-½, media_common, Physics, cross section: asymmetry, spin: structure function, Muon, Scattering, CERN SPS, polarized target: p, longitudinal: polarization, Deep inelastic scattering, transversely polarized proton, magnetic spectrometer: experimental results, muon p: deep inelastic scattering, Physics::Accelerator Physics, High Energy Physics::Experiment, transverse: polarization, muon: polarized beam, Particle Physics - Experiment
Abstract: We measured the spin asymmetry in the scattering of 100 GeV longitudinally-polarized muons on transversely polarized protons. The asymmetry was found to be compatible with zero in the kinematic range $0.006, Comment: 10 pages CERN-PPE/94-116
Published: 1994
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22. Spin asymmetries for events with highpThadrons in DIS and an evaluation of the gluon polarization

Author: A. Staude, T. O. Niinikoski, S. Platchkov, Y. Miyachi, C. S. Özben, A. Karev, W. Meyer, Etienne Burtin, G. Igo, Rudiger Voss, T. J. Ketel, J. A. Garzon, Franco Bradamante, M. Plo, J. E.J. Oberski, Gerhard K. Mallot, W. Tlaczala, A. Magnon, P. Schiavon, Matias Rodriguez, D. Peshekhonov, David Miller, E. P. Sichtermann, T. Hasegawa, T. Matsuda, J. Kiryluk, M. Litmaath, F. Simeoni, G.I. Smirnov, A. Bravar, J. Martino, J. Lichtenstadt, R. Sulej, Jay Roberts, B. Derro, Jinkui Zhao, M. Grosse Perdekamp, J. Nassalski, G. Unel, H. Gilly, S. Bültmann, D. Pose, Massimo Lamanna, Yu. Kisselev, V. W. Hughes, E. Rondio, J. H. Moromisato, Takahiro Iwata, H. J. Kessler, E. Arik, G. Reicherz, Naoaki Horikawa, Ulrich Landgraf, A. Arvidson, H. Pereira, K. Kowalik, K. Kurek, D. von Harrach, Andrea Bressan, A. Gallas, J. M. Le Goff, T. Çuhadar, Patrick Hautle, S. Ishimoto, A. de Lesquen, St. Goertz, S. Dalla Torre, Heinrich B. Stuhrmann, G. Rädel, C. Dulya, Mayda Velasco, Anna Zanetti, J. Vogt, R. van Dantzig, L. Klostermann, Ricardo Piegaia, E. M. Kabuß, D. Thers, M. Giorgi, A. Witzmann, D. Fasching, F. Lehar, C. A. Whitten, B. Badelek, J. Kyynäräinen, A. Tripet, Günter Baum, C. Fernandez, J. Cranshaw, Kunikazu Mori, B. Frois, N. Hayashi, P. Berglund, K. Medved, R. Windmolders, U. Stiegler, S. Eichblatt, E. von Goeler, A. Ogawa, Bernardo Adeva, I. Sabo, A. M. Kotzinian, J. S. McCarthy, K. Haft, F. Tessarotto, W. Kröger, Abhay Deshpande, F. Feinstein, S. K. Dhawan, Clemens A. Heusch, R. Birsa, J. Pretz, I.A. Savin, G. Gracia, Lawrence Pinsky, A. Sandacz, N. de Botton, B. W. Mayes, K. Zaremba, H. Postma, J. Saborido, N. De Groot, Regine Willumeit, Alan D. Martin, F. Marie, F. Kunne, D. G. Crabb, A. Steinmetz, L. Betev, and W. Wiślicki
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson production, 010308 nuclear & particles physics, media_common.quotation_subject, Hadron, Deep inelastic scattering, Polarization (waves), 01 natural sciences, Asymmetry, Gluon, Nuclear physics, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Nuclear Experiment, 010306 general physics, Nucleon, media_common
Abstract: We present a measurement of the longitudinal spin cross section asymmetry for deep-inelastic muon-nucleon interactions with two high transverse momentum hadrons in the final state. Two methods of event classification are used to increase the contribution of the photon-gluon fusion process to above 30%. The most effective one, based on a neural network approach, provides the asymmetries A(p)lN(-->)lhhX=0.030+/-0.057(stat)+/-0.010(syst) and A(d)lN(-->)lhhX=0.070+/-0.076(stat)+/-0.010(syst). From these values we derive an averaged gluon polarization DeltaG/G=-0.20+/-0.28(stat)+/-0.10(syst) at an average fraction of nucleon momentum carried by gluons =0.07.
Published: 2004

23. CMS : the TriDAS Project Technical Design Report; v.1, the Trigger Systems

Author: L. Bayatyan, G., Grigorian, N., G. Khachatrian, V., T. Margarian, A., M. Sirunyan, A., Adam, W., Brügger, M., Erö, J., Fierro, M., Friedl, M., Frühwirth, R., Hrubec, J., Jeitler, A., Krammer, M., Pernicka, M., Porth, P., Rohringer, H., Rurua, L., Taurok, A., Walzel, G., Wedenig, R., E. Wulz, C., G. Baryshevsky, V., Fedorov, A., L. Gorodishenin, N., V. Korzhik, M., V. Missevitch, O., Panov, V., Zuyeuski, R., B. Zalessky, V., Ermalitsky, F., Kuchinskii, P., M. Lomako, V., Prosolovich, V., Devroede, O., Goorens, R., Lemonne, J., Tavernier, S., Udo, F., W. K. Van, Doninck, L. Van, Lancker, Bertrand, D., G. De, Lentdecker, Stefanescu, J., Velde C. Van, Der, Vanlaer, P., Favart, D., Govaerts, J., Grégoire, G., Lemaître, V., Ninane, A., Piotrzkowski, K., Aa O. Van, Der, Boulogne, I., Daubie, E., Herquet, P., Beaumont, W., Beckers, T., E. De, Langhe, Moortgat, F., Verbeure, F., Zhukov, V., Abadjiev, K., Anguelov, T., H. Atanasov, I., Damgov, J., Dimitrov, L., Genchev, V., Georgiev, G., Iaydjiev, P., Kounov, B., Penchev, L., Raykov, P., G. Sultanov, G., Vankov, I., Vankov, P., Darmenov, N., Gritskov, A., Jordanov, A., B. Litov, L., Mateev, M., Petev, P., Spassov, V., Tchijov, M., Tsenov, R., V. Velev, G., G. Bian, J., Chen, C., M. Chen, G., N. Guo, Y., T. He, J., H. Jiang, C., N. Jin, B., J. Ke, Z., Li, J., G. Li, W., Nan Li, Xiao, F. Qiu, J., W. Shen, B., Y. Shen, X., Y. Sheng, H., Wang, Y.Y., Sheng Xu, Rong, Yang, M., Yun Zhang, Bing, W. Zhang, J., Q. Zhang, S., Ren Zhao, Wei, Zhao, Z., Ping Zheng, Jian, Y. Zhu, G., S. Zhu, Y., Ban, Y., Cai, J., Erh Chen, Jia, Tao Liu, Hong, Qiu Liu, Song, Qiao Lou, Bin, J. Qian, S., Lin Ye, Yan, An, Q., Bian, Z., Chen, H., F. Gong, Z., Li, Chuan, S. Shri, C., Z. Sun, L., L. Wang, X., M. Wang, Z., Wu, J., Wei Ye, Shu, P. Zhang, Z., Deng, Q., J. Li, P., Z. Shen, D., L. Xue, Z., B. Yuan, H., H. Chang, Y., E. Chen, A., Go, A., Lin, W., Chang, P., W. S. Hou, G., Ueno, K., Godinovic, N., Milin, M., Puljak, I., Soric, I., Stipcevic, M., Tudoric-Ghemo, J., Antunovic, Z., Dzelalija, M., Marasovic, K., Hasan, A., A. Razis, P., Vorvolakos, A., Hall, Alexander, Lippmaa, E., Lippmaa, J., Raidal, M., Subbi, J., A. Aarnio, Pertti, Banzuzi, K., M. Heikkinen, A., V. Heinonen, J., Honkanen, A., Karimäki, Veikko, M. Katajisto, H., Kinnunen, Ritva, M. Lassila-Perini, K., Lefébure, V., Pietarinen, E., Tuominen, E., Tuominiemi, J., Ungaro, D., P. Vanhala, T., Williams, C., Lehti, S., Lindén, T., Äystö, Juha, Julin, R., V. Ruuskanen, P., Kallijarvi, S., Keränen, A., Palmu, L., Remes, K., Suhonen, E., Tuuva, T., Niittylahti, J., Vainio, O., Baek, Y.W., Boget, D., Ditta, J., Drobychev, G., Guillaud, J.P., Maire, M., Mendiburu, J.P., Nédélec, P., Peigneux, J.P., Schneegans, M., Sillou, D., Anfreville, M., Bonamy, P., Bouchand, C., Chipaux, R., Dejardin, M., Denegri, D., X. Gentit, F., Givernaud, A., Kircher, F., Lemoigne, Y., Locci, E., P. Lottin, J., C. Nguyen, M., P. Pansart, J., Payn, A., Rander, J., M. Reymond, J., Rondeaux, F., Rosowsky, A., Roth, P., Verrecchia, P., Badier, J., Bercher, M., Bourotte, J., Busson, Pierre, Chamont, D., Charlot, C., Dobrzynski, L., Gilly, J., Haguenauer, M., Karar, A., B. Kim, G., Kluberg, L., Lecouturier, D., Matricon, P., Milleret, G., Miné, P., Morano, R., Paganini, P., Poilleux, P., Romanteau, T., Albert, A., Berst, J.D., Blaes, R., Brom, J.M., Charles, F., Coffin, J., Didierjean, F., Drouhin, F., Ernenwein, J.-P., Fontaine, J.C., Geist, W., Goerlach, U., Helleboid, J.M., Huss, D., Illinger, C., Juillot, P., Lounis, A., Maazouzi, C., Moreau, S., Riahi, Y., Ripp-Baudot, I., Todorov, T., Vintache, D., Zghiche, A., Ageron, M., Bedjidian, M., Chabanat, E., Combaret, C., Contardo, D., Depasse, P., Drapier, O., Dupanloup, M., El-Mamouni, H., Fay, J., Gascon-Shotkin, S., Giraud, N., Girerd, C., Goyot, M., Haroutunian, R., Ille, B., Lebrun, P., Lethuillier, M., Martin, J.-P., Mathez, H., Mirabito, L., Muanza, G.-S., Perriès, S., Sahuc, P., Smadja, G., Tissot, S., Walder, J.-P., Zach, F., S. Amaglobeli, N., S. Bagaturia, Yu, Glonti, L., G. Kartvelishvili, V., A. Kvatadze, R., Mzhavia, D.A., M. Sakhelashvili, T., G. Shanidze, R., B. Tsamalaidze, Z., Djaoshvili, N., Iashvili, I., I. Kharchilava, A., N. Roinishvili, N., N. Roinishvili, V., Berger, C., Braunschweig, W., Breibach, J., H. Gu, W., Heister, A., Karpinski, W., Kirn, T., König, S., Kukulies, C., Ya Ostapchuk, A., Pandoulas, D., Pierschel, G., Raupach, F., Schael, S., Schmitz, D., Dratzig A. Schultz, Von, Siedling, R., Wallraff, W., Wittmer, B., Banicz, K., Bechstein, S., Böhm, A., Bosseler, K., Faissner, H., S. Fesefeldt, H., Hermann, S., Ivannikov, A., Rein, D., Reithler, H., Szczesny, H., Tonutti, M., Wegner, M., Axer, M., Beissel, F., Commichau, V., Flügge, G., Hangarter, K., Macke, D., Mnich, J., Nowak, A., Petertill, M., Schmitz, P., Schulte, R., Sonnenschein, L., Zander, A., W. Grünewald, M., Hebbeker, T., Höpfner, K., Rosca, A., Bartsch, V., P. Blüm, H., W. De, Boer, Dierlamm, A., Dirkes, G., Drollinger, V., Erdmann, M., Feindt, M., Grigoriev, E., Hartmann, F., Hauler, F., Heiss, A., Müller, T., Roederer, F., J. Simonis, H., Skiba, A., Theel, A., H. Thümmel, W., Weiler, T.J., Weseler, S., K. Resvanis, L., Adzic, P., Barone, M., Bozovic-Jelisavcic, I., K. Fanourakis, G., Geralis, T., Harissopoulos, S., Kokkinias, P., Kyriakis, A., Loukas, D., Markou, A., Markou, C., Mastroyiannopoulos, N., Mousa, J., Siotis, I., Spyropoulou-Stassinaki, M., Staveris-Polykalas, A., G. Tsirigotis, A., Tzamarias, S., Vayaki, A., Zachariadou, K., Zupan, M., Asimidis, A., Evangelou, I., Kokkas, P., Manthos, N., Mitropoulos, O., Prouskas, K., A. Triantis, F., Tzoulis, N., Bagoly, Z., L. Bencze, G., Csilling, Akos, Hajdu, C., Hidas, P., Horváth, Dragos, Ódor, G., Ster, A., Urbàn, L., Vesztergombi, G., Zálán, P., Zsenei, M., Dajkó, G., Fenyvesi, A., Molnár, J., Pálinkás, J., Sohler, D., László Trócsányi, Zoltán, Vamosi, J., Végh, J., Baksay, L., Bondar, T., Juhász, S., Marian, G., Nagy, S., Raics, P., Szabo, J., Szabó, Z., Szegedi, S., Szillási, Z., Sztaricskai, T., Tarjan, P., Zilizi, G., B. Bala, S., Bhatnagar, V., Kaur, M., M. Kohli, J., Singh, J., Borkar, S., Chandratre, V., K. Chaudhury, R., Y. Dixit, M., Ghodgaonkar, M., John, B., K. Kataria, S., K. Mohanty, A., Topkar, A., Aziz, T., Banerjee, S., R. Chendvankar, S., V. Deshpande, P., N. Ganguli, S., Gurtu, A., Katta, S., Maity, M., Mazumdar, K., R. Patil, M., C. Tonwar, S., S. Acharya, B., Bheesette, S., Dugad, S., D. Kalmani, S., R. Krishnaswamy, M., R. Lakkireddi, V., K. Mondal, N., Panyam, N., Vemuri, N., Verma, P., I. Bhardwaj, A., K. Shivpuri, R., K. Verma, V., Abbrescia, M., Colaleo, A., Creanza, D., M. De, Palma, Fiore, L., Iaselli, G., Loddo, F., Maggi, G., Marangelli, B., Menegotto, M., My, S., Natali, S., Nuzzo, S., Pugliese, G., Radicci, V., Ranieri, A., Romano, F., Ruggieri, F., Selvaggi, G., Silvestris, L., Tempesta, P., Zito, G., Benvenuti, A.C., Capiluppi, P., R. Cavallo, F., Cuffiani, M., d'Antone, I., M. Dallavalle, G., Fabbri, F.L., Fanfani, A., Giacomelli, G., Giacomelli, P., Grandi, C., Guerzoni, M., Marcellini, S., Mazzanti, P., Montanari, A., Montanari, C., Navarria, F.L., Odorici, F., Perrotta, A., Rossi, A., Rovelli, T., P. Siroli, G., Travaglini, R., Albergo, S., Bellini, V., Castorina, P., Cavalieri, S., Chiorboli, M., Costa, Sebastian, L. Lo, Monaco, Potenza, R., Russo, V., Tricomi, A., Tuvé, C., Bellucci, L., Biggeri, U., Borchi, E., Bruzzi, M., Buffini, A., Busoni, S., Castellini, G., Civinini, C., d'Alessandro, R., Focardi, E., Landi, G., Lenzi, M., Meschini, M., Minelli, C., Parrini, G., Pieri, M., Pirollo, S., Sciortino, S., Bozzo, M., Fabbricatore, P., Farinon, S., Musenich, R., Priano, C., Berti, L., Biasotto, M., Gastaldi, U., Gulmini, M., Maron, G., Toniolo, N., Azzi, P., Bacchetta, N., Bellato, M., Benettoni, M., Bisello, D., Candelori, A., Castro, A., Checchia, P., Conti, E., M. De, Giorgi, A. De, Min, Dosselli, U., Fanin, C., Gasparini, F., Gasparini, U., Gonella, F., Kaminski, Pierre-Alexandre, Lacaprara, S., Lippi, I., Loreti, M., T. Meneguzzo, A., Michelotto, M., Montecassiano, F., Neviani, A., Paccagnella, A., Paoletti, S., Passaseo, M., Pegoraro, M., Ronchese, P., Stavitski, I., Torassa, E., Ventura, Laurent, Ventura, S., Verlato, M., L. Zotto, P., Zumerle, G., Altieri, S., Belli, G., Bruno, G., Guida, R., Merlo, M., P. Ratti, S., Riccardi, C., Torre, P., Vitulo, P., M. Angarano, M., Babucci, E., Biasini, M., M. Bilei, G., T. Brunetti, M., Ceccotti, F., Checcucci, B., A. Giorgi, M., Lariccia, P., C. Mantovani, G., Passeri, D., Placidi, P., Postolache, V., Santinelli, R., Santocchia, A., Scorzoni, A., Servoli, L., Tommasi, G., Angelini, F., Bagliesi, G., Bardi, A., Basti, A., Bellazzini, R., Bernardini, J., Borrello, L., Bosi, F., L. Braccini, P., Brez, A., Carosi, R., Castaldi, R., Chiarelli, G., Ciulli, V., Dell'Orso, M., Dell'Orso, R., Donati, S., Dutta, S., Foà, Lorenzo, Galeotti, S., Giannetti, P., Giassi, A., Giusti, S., Iannaccone, G., Latronico, L., Ligabue, F., Lumb, N., Magazzù, G., Mariani, M., M. Massai, M., Messineo, A., Militaru, O., Moggi, A., Morsani, F., Palla, F., Punzi, G., Raffaelli, F., Ristori, L., Sanguinetti, G., Sciabà, A., Segneri, G., Sguazzoni, G., Spandre, G., Spezziga, M., Spinella, F., N. Starodumov, A., Tenchini, R., Teodorescu, L., Tonelli, G., Venturi, A., G. Verdini, P., Wang, J., Xie, Z., Baccaro, S., Barone, L., Bartoloni, A., Castellani, M., Cecilia, A., Dafinei, I., F. De, Notaristefani, Diemoz, M., Festinesi, A., Longo, E., Meridiani, P., Montecchi, M., Organtini, G., Puccini, M., Valente, E., Zullo, A., Amapane, N., Arneodo, M., Bertolino, F., Biino-Palestini, C., Cirio, R., Costa, M., Dattola, D., Daudo, F., V. Del, Duca, Demaria, L., Favro, G., I. Ferrero, M., Maselli, S., Monaco, V., Peroni, C., Romero, A., Sacchi, R., Solano, A., Staiano, A., Vitelli, A., U. Kim, Y., Kwon Nam, Soon, Y. Bahk, S., I. Jang, H., Y. Kim, J., I. Kim, T., T. Lim, I., Y. Pac, M., J. Lee, S., T. Rhee, J., Ahn, S., Hong, B., J. Hong, S., J. Kim, Y., S. Lee, K., K. Park, H., K. Park, S., S. Sim, K., G. Koo, D., J. Kim, B., B. Kim, S., H. Park, I., G. Cheon, B., I. Choi, Y., H. Chung, W., W. Ham, S., M. Jeon, H., H. Kim, D., Y. Kim, W., K. Oh, S., Ro, S., C. Son, D., Aftab, Z., A. Ahmad, M., Alam, J.J., Bhatti, N., Hasanain, K., R. Hoorani, H., K. Khan, M., M. Khan, S., Niaz, A., Riazuddin, M., Solaija, T., R. Ahmad, J., U. Awan, I., Iftikhar, N., A. Khan, M., U. Mirza, M., Muhammad, A., Zeb, J., Cwiok, M., Czyrkowski, H., Dabrowski, R., Dominik, W., Kazana, M., Królikowski, J., G. Kudla, I., Majewski, P., Pietrusinski, M., Pozniak, K., Zych, P., Gokieli, R., Górski, M., Goscilo, L., Wrochna, G., Zalewski, Piotr, Almeida, C., Almeida, N., Augusto, J., Barata-Monteiro, T., Bordalo, P., Cardoso, N., S. Da, Mota-Silva, J. Da, Silva, P. Dias, O., Gomes, J., M. Gonçalves, F., Ramos, S., Santos, M., Sequeira-Lopes-Tavares, S., Silva, S., Simoes-Azevedo, C., Teixeira, I., P. Teixeira, J., Varela, J., V. Afanasiev, S., Anisimov, I., V. Bandurin, D., A. Belkov, A., Chatrchyan, S.A., E. Cheremuhin, A., V. Cheshkov, C., S. Chvyrov, A., Dmitriev, A., Elsha, V., V. Erchov, Yu, H. Finger, M., A. Golutvin, I., Gorbunov, N.A., M. Gramenitskii, I., Ivantchenko, I., Janata, A., Kalagin, V., Yu Karjavin, V., S. Khabarov, V., T. Kiryushin, Yu, I. Kolesnikov, V., F. Konoplyanikov, V., V. Korenkov, V., Kossarev, I., Koutov, A., I. Kracíková, T., Krasnov, V., G. Litvinenko, A., Lysiakov, V., Malakhov, A., Mechtcheriakov, G., A. Melnichenko, I., Mitsyn, V., Moissenz, P., Movchan, S., V. Palichik, V., P. Perelygin, V., P. Petukhov, Yu, Popov, M., Pose, D., Pose, R., Samoshkin, A., V. Savina, M., Sergeev, S., V. Shmatov, S., N. Skatchkova, A., Smirnov, V., A. Smolin, D., A. Tikhonenko, E., V. Uzhinskii, V., Vlasov, N., G. Volodko, A., Yukaev, A., I. Zamiatin, N., V. Zarubin, A., I. Zarubin, P., V. Zubarev, E., G. Atamanchuk, A., Barashko, V., F. Bondar, N., Chtchipounov, L., Denissov, A., E. Gavrilov, G., L. Golovtsov, V., Gusev, Y., B. Ivanov, Yu, Kisselev, O., Kouznetsova, E., Lobatchev, E., Makarenkov, G., Orichtchine, E., Petrunin, A., E. Prokofiev, O., Rasmislovich, V., V. Razmyslovich, B., Sknar, V., Smirnov, I., Sobolev, S., Soulimov, V., Souvorov, V., Velitchko, G., Volkov, S., A. Vorobyov, A., S. Atoyan, G., N. Bolotov, V., N. Gninenko, S., Goloubev, N.A., V. Gushin, E., M. Kirsanov, M., Kovzelev, A., V. Krasnikov, N., V. Laptev, S., Matveev, V., Pashenkov, A., Poliarouch, A., E. Postoev, V., Proskouriakov, A., Sadovskii, A., N. Semeniouk, I., Shmatkov, V., Skassyrskaya, A., N. Toropin, A., Dorochkevitch, E., Gavrilov, V., S. Kaftanov, V., I. Khanov, A., Kisselevitch, I., Kolosov, V., Kossov, M., Koulechov, S., Krokhotine, A., Oulianov, A., Stepanov, N., Stoline, V., Uzunyan, S., G. Devitsin, E., M. Fomenko, A., S. Konovalova, N., Kozlov, V., I. Lebedev, A., Loktionova, N.A., Lvova, N., Potashov, S., V. Rusakov, S., R. Terkulov, A., Belsky, A., Bodyagin, V., Boos, E., Cherstnev, A., I. Demianov, A., N. Dubinin, M., V. Dudko, L., Erchov, A., Gloukhov, R., Gribushin, A., Ilyin, V., Kodolova, O., L. Korotkikh, V., Krioukov, A., Kruglov, N.A., Lokhtin, I.P., V. Mikhailin, V., Petrouchanko, S., Poukhov, A., I. Sarycheva, L., Slad, V., Sniguirev, A., N. Vardanian, I., Chmelev, D., Ivanov, A., Koudinov, V., Logatchev, O., Onishchenko, S., Orlov, A., Sakharov, V., Smetannikov, V., Zavodthikov, S., Abramov, A., Abramov, V., L. Azhgirey, I., Bitioukov, S., Datsko, K., V. Dolgopolov, A., Evdokimov, V., P. Falaleev, V., I. Goncharov, P., V. Inyakin, A., A. Katchanov, V., V. Kharlov, Yu, I. Klioukhine, V., Kolatcheva, E., M. Korablev, V., P. Korneev, Yu, V. Kostritskii, A., N. Krinitsyn, A., I. Kryshkin, V., Lapyguina, O., Levine, A., Markov, A., Medvedev, V., Oukhanov, M., Pak, V., I. Patalakha, D., Petrov, V., A. Pikalov, V., Potapov, V., Riabov, A., V. Sannikov, A., Shagin, P., Simonova, Z., Skvortsova, E., Slabospitski, S., Sobol, A., L. Solovianov, V., Sougonyaev, V., Stepouchkine, S., Surkov, A., Sytin, A., Tchuiko, B., Tereshchenko, S., M. Troshin, S., K. Turchanovich, L., E. Tyurin, N., V. Uzunian, A., Volkov, A., A. Zaichenko, A., Zelepoukine, S., Andriyash, A., Chtcherbakov, A., Gorchkov, D., Griaznykh, D., Gueinak, O., Korotchine, D., Kotegov, S., Maloiaroslavtsev, A., Naoumenko, M., Pavlov, I., Samarine, S., Skripov, R., Ballo, P., Lipka, J., Necas, V., Seberini, M., Vitazek, K., Aguilar-Benítez, Manuel, Alberdi, J., M. Barcala, J., Cerrada, M., Colino, N., Daniel, M., Fernández-García, M., Ferrando, A., C. Fouz-Iglesias, M., Josa-Mutuberria, I., Guevara P. Ladrón, De, Marin, J., Molinero, A., C. Oller, J., L. Pablos, J., Puerta-Pelayo, J., Romero, L., Salicio, J., Willmott, C., Albajar, C., Cuevas-Maestro, J., Arce, P., Calvo, E., F. Figueroa, C., Gómez-Ceballos, G., González, I., M. López, J., A. López-Virto, M., Marco, J., Matorras, F., Rodrigo, T., Ruiz-Jimeno, A., Vila, I., García-Abia, P., Tauscher, Ludwig, Vlachos, S., Wadhwa, M., Abbaneo, D., Alemany-Fernandez, R., N. Annenkov, A., Aspell, P., Auffray, E., Azzurri, P., Baillon, P., Ball, A., Barillère, R., Barney, D., Blechschmidt, D., Bloch, P., Bosteels, M., Braibant, S., Breuker, H., Brooks, P., Campi, D., Caner, A., Cano, E., Carena, F., Cattai, A., Cavallari, F., Cervelli, G., Chierici, R., Christiansen, J., Cittolin, S., Curé, B., d'Ambrosio, C., A. De, Roeck, T. De, Visser, Delikaris, D., Della, N.M., Peisert, A., Faure, Jean-Baptiste, Favara, A., Figueiredo, P., Föth, H., Folch, R., Frey, A., Funk, W., Fürtjes, A., Gaddi, A., C. Gayde, J., Gerwig, H., Gill, K., D. Glessing, W., Goudard, R., Gras, P., P. Grillet, J., Gutleber, J., Hahn, F., Hameed-Khan, S., Hammarström, R., Hansen, M., H. M. Heijne, Erik, Hervé, Alain, Honma, A., Huhtinen, M., Innocente, V., Jank, Werner, Janot, P., Jarron, P., Kado, M., Kloukinas, K.C., Koch, C., Konecki, M., Kovács, Z., Lara, V., Lasseur, C., J. M. Le, Goff, Lebeau, M., Lecoq, P., F. Letheren, M., Liendl, M., Ljuslin, C., Löfstedt, B., Loos, R., B. Mackenzie, P., Malina, R., Mannelli, M., Manola-Poggioli, E., Marchioro, A., C. Marin, J., Mariotti, C., Martínez-Rivero, C., Matheson, J., M. Maugain, J., Meijers, F., Mermoud, M., Meschi, E., Migliore, E., J. Mocholi, Moncholi, Moutoussi, A., Neumeister, N., N. Nikitenko, A., Oh, A., Onnela, A., Oriunno, M., Orsini, L., Pásztor, G., Pape, L., Palomares-Espiga, C., Passardi, G., Petagna, P., Pfeiffer, A., Pimiä, M., Pintus, R., Piotto, E., Pirollet, B., Placci, A., P. Porte, J., Postema, H., Pothier, J., Principe, R., Quadt, A., Rácz, A., Rebecchi, P., Reis, P., Reynaud, S., Rezvani-Naraghi, H., Ribeiro, R., Roche, J., Rodrigues-Simoes-Moreira, P., Rohe, T., Rolandi, L., Sakulin, H., Samyn, D., C. Santiard, J., Schleifer, W., Schmidt, R., Schröder, M., Schwick, C., Sempere-Roldan, P., Sharp, P., Siegrist, P., Siklér, F., Simma, A., Spagnolo, P., Sphicas, P., E. Stockinger, H., Szoncsó, F., G. Taylor, B., Tchougounov, D., Toifl, T.H., Tóth, N., Treille, D., Troska, J.K., Tsesmelis, E., L. Tsirou, A., F. Van, Lingen, Vasey, F., S. Virdee, Tejinder, Voss, H., Weingarten, W., P. Wellisch, J., Wertelaers, P., Wilhelmsson, M., Malcolm Willers, Ian, Winkler, M., Wynhoff, S., Barbero, M., Baur, R., Bertl, W., Deiters, K., Dick, P., Dijksman, A., Gabathuler, K., Gobrecht, J., Heidenreich, G., P. Horisberger, R., Ingram, Q., Kotlinski, D., H. Morf, R., Renker, D., Schnyder, R., Anderhub, H., Antchev, G., Badertscher, A., Barczyk, A., L. Betev, B., Biland, A., Blau, B., Bourilkov, D., G. Bueno, A., Campanelli, M., Cannarsa, P., Carpanese, C., Chivarov, N., Dittmar, M., Djambazov, L., Eichler, R., Erdmann, W., Faber, G., L. Faure, J., Felcini, M., Freudenreich, K., Gil-Botella, I., Grab, C., Hilgers, M., Hofer, H., Holzner, A., L. Horváth, I., Humbertclaude, C., Z. Iliev, B., Ingenito, P., P. M. Kuipers, J., P. Le, Coultre, Lecomte, P., List, B., Lustermann, W., Nanov, I., Nessi-Tedaldi, F., A. Ofierzynski, R., Patino-Revuelta, A., Pauss, F., Rahal, G., Rico, J., H. Rivetta, C., Röser, U., Rubbia, A., Rykaczewski, H., Schöning, A., Sinanis, N., Suter, H., Udriot, S., Ulbricht, J., Veltchev, I., M. Viertel, Gert, H. P. Von, Gunten, Waldmeier-Wicki, S., Zanet, A., Amsler, C., Kaufmann, R., S. Pruys, H., Regenfus, C., Riedler, P., Robmann, P., Speer, T., Steiner, S., Dumanoglu, I., Eskut, E., Kayis-Topaksu, A., Kuzucu-Polatoz, A., Onengüt, G., Ozdes-Koca, N., M. Guler, A., Serin-Zeyrek, M., Sever, R., Tolun, P., D. Yildiz, H., T. Zeyrek, M., Gülmez, E., Unalan, R., Borisenko, A., Grinev, B., Lebedev, V., Lyubynskiy, V., Senchyshyn, V., Vasilchuk, V., G. Levchuk, L., Nemashkalo, A., Popov, V., Sorokin, P., Duplij, S., Kluban, N.A., I. Zalyubovskij, I., S. Bailey, D., Brooke, J.J., G. Cussans, D., D. Head, R., P. Heath, G., F. Heath, H., K. Mackay, C., Newbold, D., D. Presland, A., G. Probert, M., J. Smith, V., J. Tapper, R., Baker, N., Barry, A., Chevenier, G., Estrella, F., Mathers, G., Mcclatchey, R., Baird, S.A., A. Barlow, R., Bateman, E., W. Bell, K., M. Brown, R., J. A. Cockerill, D., A. Coughlan, J., Denton, L., S. Flower, P., B. Francis, V., French, M., Greenhalgh, J., Halsall, R., J. Haynes, W., R. Jacob, F., W. Jeffreys, P., Jones, L., W. Kennedy, B., L. Lintern, A., B. Lodge, A., Maddox, J., Martin, S., R. Morrissey, Q., D. Rabbetts, P., A. Shah, A., Smith, B., Spagnolo, S., Sproston, M., Stephenson, R., Thayaparan, P., R. Tomalin, I., Torbet, M., Williams, J., Apollonio, M., J. Barber, G., Beuselinck, R., Britton, D., Cameron, W., Corrin, E., Davies, G., Foudas, C., R. Fulcher, J., Hall, G., Hays, J., Iles, G., C. Macevoy, B., Marinelli, N., M. Mcleod, E., Noah, M.E., M. Raymond, D., J. Savage, P., Seez, C., Toudup, L., Walsham, P., Broadhead, R., Camanzi, B., R. Hobson, P., C. Imrie, D., K. Mckemey, A., Sharif, O., J. Watts, S., Breedon, R., T. Cox, P., F. Gunion, J., Hershman, S., Holbrook, B., Ko, W., Lander, R., Murray, P., E. Pellett, D., Smith, J., M. Tripathi, M., Vogt, R., Bhattacharya, S., G. Branson, J., Fisk, I., P. Fryckman, J., Macfarlane, D., Mojaver, M., P. Paar, H., Raven, G., Sharma, V., White, A., Arisaka, K., Attal, A., Chase, F., Cline, D., D. Cousins, R., Erhan, S., Hauser, J., Lindgren, M., Matthey, C., Otwinowski, S., Pishchalnikov, Yu, Schlein, P.E., Shi, Y., Tannenbaum, B., Mey M. Von, Der, G. Wang, H., Bunn, J.J., Denis, G., Gálvez, P., Gataullin, M., Hafeez, M., Hickey, T., Holtman, K., Legrand, I., Litvine, V., B. Newman, H., Samar, A., Shevchenko, S., P. Wilkinson, R., Xia, L., Y. Zhu, R., Clare, R., Crotty, I., W. Gary, J., G. Layter, J., Rick, H., C. Shen, B., Sytnik, V., Zer-Zion, D., P. Beetz, C., Cirino, G., Podrasky, V., Sanzeni, C., Winn, D., Acosta, D., Avery, P., I. Dolinski, S., D. Field, R., Gorn, L., Klimenko, S., Konigsberg, J., V. Korytov, A., Madorsky, A., V. Mitselmakher, G., Nomerotski, A., Ramond, P., Scurlock, B., M. Wang, S., Yelton, J., W. Baer, H., Bertoldi, M., Goldman, H., L. Hagopian, S., Hagopian, V., F. Johnson, K., B. Prosper, H., Thomaston, J., Wahl, H., Apollinari, G., Atac, M., Aziz, S., Barsotti, E., Bauerdick, L.A. T., E. Baumbaugh, A., Baur, U., Beretvas, A., Binkley, M., Bowden, M., N. Butler, J., S. Chester, N., N. Churkin, I., Cihangir, S., Crisler, M., S. Denisov, D., Diesburg, M., P. Eartly, D., E. Elias, J., Fehér, S., L. Flaugher, B., Freeman, J., Gaines, I., Glass, H., Glenzinski, D.A., Goldstein, J., Green, D., Hanlon, J., Hansen, Scott, M. Harris, R., R. Incandela, J., Joshi, U., Kwan, S., J. Lamm, M., Lammel, S., Lazic, D., Lee, R., Lipton, R., Litmaath, M., V. Los, S., Lukens, P., Maeshima, K., M. Marraffino, J., Mishra, S., V. Mokhov, N., Moore, C., Muzaffar, S., O'Dell, V., Patrick, J., Pordes, R., Raja, R., A. Rapidis, P., Reichanadter, M., Ronzhin, A., I. Rykalin, V., Shaw, T., Shea, M., Skup, E., P. Smith, R., Spiegel, L., Stuart, D., Suzuki, I., M. Tkaczyk, S., S. Tschirhart, R., Vidal, Roland, Wands, R., Wenzel, H., Whitmore, J., J. Womersley, W., Min Wu, Wei, Yagil, A., A. Yarba, V., R. Adams, M., E. Gerber, C., Papageorgiou, K., Solomon, J., Gobbi, B., Malik, S., Tilden, R., Baumbaugh, B., M. Bishop, J., M. Cason, N., Hildreth, M., J. Karmgard, D., C. Ruchti, R., Warchol, J., Wayne, M., E. Barnes, Virgil, Bolla, G., Bortoletto, Daniela, T. Bujak, A., F. Garfinkel, A., J. Gutay, L., Kopal, M., T. Laasanen, A., Medved, S.A., Pal, I., Rott, C., Roy, Arnaud, Sedov, A., W. Anderson, E., Chakir, H., M. Hauptman, J., Krane, J., Akgun, U., S. Ayan, A., Cooper, A., Fountain, M., Mccliment, E., P. Merlo, J., J. Miller, M., M. Önel, Y., Schmidt, I., A. Barnett, B., Y. Chien, C., Sung Cho, Hyo, Liang, G., Swartz, M., Xie, X., Abdullin, S., Arcelli, S., Baden, D., L. Bard, R., Eno, S., Fong, D., Grassi, T., J. Hadley, N., G. Kellogg, R., Kunori, S., Sharma, A., Skuja, A., Carey, R., S. Hazen, E., T. Kearns, E., Machado, E., Miller, J., Osborne, D., L. Roberts, B., Rohlf, J., Sulak, L.R., D. Sullivan, J., Wu, S., Alverson, G., C. Fenker, H., A. Gaponenko, I., H. Moromisato, J., V. Musienko, Yu, Nicol, S., Paul, T., Reucroft, S., D. Swain, J., Taylor, L., E. Von, Goeler, Yasuda, T., Bauer, G., Friedman, J., Paus, C., Pavlon, S., Rosenson, L., Sumorok, S., Tether, S., Tseng, J., B. Cushman, P., H. Heering, A., J. Kronkvist, I., W. Rusack, R., V. Singovsky, A., Vikas, P., Bhatt, K., Booke, M., M. Cremaldi, L., Kroeger, R.A., Reidy, J., Sanders, D., Summers, D., B. Campbell, W., R. Claes, D., Lundstedt, C., R. Snow, G., Bartz, E., Conway, J., Devlin, T., Doroshenko, J., F. Jacques, P., S. Kalelkar, M., W. Koeth, T., Lath, A., P. Perera, L., Schnetzer, S., V. Somalwar, S., Stone, R., Thomson, G., L. Watts, T., M. Bussat, J., Denes, P., Gupta, V., Mans, J., Marlow, D., A. Piroué, P., P. Stickland, D., Tully, C., Wildish, T., R. Blusk, S., Bodek, A., Budd, H., P. De, Barbaro, Dyshkant, A., Ginther, G., Kruse, M., Ruggiero, D., Sakumoto, W., Slattery, P., Tipton, P., Bylsma, B., S. Durkin, L., Gilmore, J., Gu, J., Herman, D., Kim, C., Larsen, D., Y. Ling, T., J. Rush, C., Sehgal, V., Ferguson, T., Russ, J., K. Terentyev, N., Vogel, H., Vorobev, I., Adams, N., Corcoran, M., Eppley, G., Lamas-Valverde, J., Matveev, M., Miettinen, H., Nussbaum, T., Padley, P., D. Platner, E., Roberts, J., Yepes, P., Akchurin, N., Cranshaw, J., Nagaslaev, V., Papadimitriou, V., F. Sill, A., Wigmans, R., C. Chaney, R., J. Fenyves, Ervin, D. Hammack, H., R. O'Malley, M., J. Suson, D., Vasilev, A., Meyer, H., Mo, L., Nunamaker, T.A., Carlsmith, D., Chumney, P., Dasu, S., Feyzi, F., Jaworski, M., Lackey, J., Loveless, R., Lusin, S., Reeder, D., H. Smith, W., Avezov, A., Belov, M., T. Bisenov, N., A. Gafarov, A., Gasanov, E., Ibragimova, E., Kim, G., N. Koblik, Yu, Rakhmatov, N., Rustamov, I., Shukrullo, I., R. Urkinbaev, A., S. Yuldashev, B., Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), CMS, Laboratoire d'Annecy de Physique des Particules (LAPP), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), and Flores, Sylvie
Subjects: [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.PHYS.PHYS-INS-DET] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]
Abstract: CMS
Published: 2000

24. Upper limit on the prompt muon flux derived from the LVD underground experiment

Author: Giuseppe Iacobucci, L. Panaro, G. T. Zatsepin, G. Bonoli, A. Bosco, M. Basile, P. Dominici, C. Melagrana, O. G. Ryazhskaya, K. Saitoh, A. De Silva, F. Vetrano, S. Vernetto, Rosario Nania, G. Maccarone, G. Conforto, M. E. Bertaina, E. D. Alyea, L. G. Dos Santos, B. W. Mayes, M. Selvi, J. H. Moromisato, N. Mengotti Silva, M. Deutsch, M. Widgoff, R. I. Enikeev, A. Chiavassa, C. Ghetti, J. Pyrlik, R. Granella, C. Morello, V. F. Yakushev, F. Grianti, R. Mantovani, P. Vallania, Antonino Zichichi, Stefano Santini, Antonella Megna, W. Fulgione, V. G. Ryasny, G. Bari, L. Emaldi, E. S. Hafen, Isao Yamamoto, L. Periale, V. B. Korchaguin, N. Taborgna, P. Haridas, O. Saavedra, V. A. Kudryavtsev, Lawrence Pinsky, G. Sartorelli, T. Massam, N. Inoue, Giovanni Badino, Elena Korolkova, P. Giusti, Behcet Alpat, A. Pesci, E. von Goeler, F. Cindolo, Marco Aglietta, F. Bersani, Jose Chinellato, V. S. Berezinsky, L. Votano, P. Picchi, Andrea Contin, Carlotta Castagnoli, M. Luvisetto, V. L. Dadykin, P. L. Ghia, A. S. Malguin, Tomonori Wada, Fabrizio Fabbri, G. Navarra, G. Guidi, V. P. Talochkin, Antonella Castellina, F. F. Khalchukov, R. Bertoni, G. Bruni, I. A. Pless, A. Turtelli, E. Kemp, G. Van Buren, Pietro Antonioli, Luisa Cifarelli, P. Galeotti, Roy Weinstein, Carlo Vigorito, J. Tang, P. V. Korchaguin, Kwong Lau, I. Uman, G. C. Trinchero, G. Cara Romeo, and S. Tsuji
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, High Energy Physics - Experiment (hep-ex), Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Muon flux, FOS: Physical sciences, High Energy Physics::Experiment, Limit (mathematics), High Energy Physics - Experiment
Abstract: We present the analysis of the muon events with all muon multiplicities collected during 21804 hours of operation of the first LVD tower. The measured depth-angular distribution of muon intensities has been used to obtain the normalization factor, A, the power index, gamma, of the primary all-nucleon spectrum and the ratio, R_c, of prompt muon flux to that of pi-mesons - the main parameters which determine the spectrum of cosmic ray muons at the sea level. The value of gamma = 2.77 +/- 0.05 (68% C.L.) and R_c < 2.0 x 10^-3 (95% C.L.) have been obtained. The upper limit to the prompt muon flux favours the models of charm production based on QGSM and the dual parton model., 10 pages, 4 figures, RevTex. To appear in Phys. Rev. D
Published: 1999

25. Spin asymmetriesA1and structure functionsg1of the proton and the deuteron from polarized high energy muon scattering

Author: J. Ylöstalo, K. Zaremba, L. Naumann, Patrick Hautle, M. Litmaath, I. Sabo, B. Derro, V. G. Krivokhijine, J. S. McCarthy, A. Witzmann, J. Roberts, B. Frois, A. Ogawa, C. Dulya, T. Hasegawa, J. H. Moromisato, P. Berglund, Naoaki Horikawa, T. Matsuda, H. Gilly, G. Reicherz, S. Bültmann, E. von Goeler, E. Rondio, M. Giorgi, J. E.J. Oberski, S. Dalla Torre, A. Kishi, A. Staude, P. Shanahan, J. M. Le Goff, Gerhard K. Mallot, T. Çuhadar, Heinrich B. Stuhrmann, W. Tlaczala, J. Vogt, A. Magnon, F. Simeoni, G.I. Smirnov, Abhay Deshpande, C. A. Whitten, Yu. Kisselev, A. de Lesquen, St. Goertz, F. Feinstein, David Miller, G. Rädel, J. Nassalski, Clemens A. Heusch, D. Crabb, T. Lindqvist, Igor Golutvin, A. Tripet, P. Björkholm, R. Birsa, T. J. Ketel, Sergey M. Sergeev, Michal Szleper, S. Eichblatt, S. Forthmann, C. Cavata, P. Schiavon, L. Klostermann, G. Baum, J. Lichtenstadt, I. Kiryushin, T. Kageya, Lawrence Pinsky, Kunikazu Mori, T. O. Niinikoski, I. G. Bird, Taylan Akdogan, Etienne Burtin, S. Rock, L. Ropelewski, E. Arik, B. Badelek, A. Dyring, A. Steinmetz, K. Medved, R. Seitz, J. Kyynäräinen, C. Fernandez, Wojciech Wislicki, D. Thers, E. P. Sichtermann, N. Hayashi, D. Krämer, D. Pose, F. Perrot-Kunne, R. Puntaferro, Matias Rodriguez, N. De Groot, Krzysztof Kurek, M. Boutemeur, D. Fasching, C. Ozben, G. Bardin, K. P. Schüler, Anna Zanetti, T. Pussieux, M. Plo, J. Kiryluk, A. Karev, A. Bravar, G. van Middelkoop, U. Stiegler, S. Platchkov, A. Rijllart, W. Meyer, G. Igo, S. Ishimoto, F. Lehar, Bernardo Adeva, J. A. Garzon, Franco Bradamante, D. von Harrach, G. Gracia, Yannis K. Semertzidis, Mayda Velasco, L. Betev, A. Sandacz, E. M. Kabuß, G. Unel, A. Nagaitsev, V. W. Hughes, N. Zamiatin, R. van Dantzig, Ulrich Landgraf, Rudiger Voss, H. J. Kessler, Roland Windmolders, F. Tessarotto, A. Schiller, W. Kröger, M. Lowe, A. Arvidson, H. Pereira, Andrea Bressan, J. Martino, A. Gallas, N. de Botton, Victor Kukhtin, M. Lamanna, J. Saborido, K. Haft, J. Pretz, J. Cranshaw, I.A. Savin, M. Grosse Perdekamp, R. Piegia, B. W. Mayes, J. Zhao, Takahiro Iwata, Y. Miyachi, D. Peshekhonov, J. C. Faivre, Alan D. Martin, F. Marie, S. K. Dhawan, H. Postma, and Regine Willumeit
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Muon, Proton, Scattering, Hadron, Spin structure, Nuclear physics, Radiative transfer, High Energy Physics::Experiment, Nuclear Experiment, Spin-½
Abstract: We present the final results of the spin asymmetries A1 and the spin structure functions g1 of the proton and the deuteron in the kinematic range 0.0008
Published: 1998

26. Spatial Resolution Attainable with Cathode Strip Chambers at the Trigger Level

Author: Jay Hauser, S. Durkin, J Zeng, S. Otwinowski, S Medved, D Chrisman, Christian P. Minor, J. Hoftiezer, Y. Bonushkin, Hafeez R Hoorani, I Smirnov, T. Muller, T Vercelli, V Soulimov, C. Rush, P Schenk, A Vaniachine, G. Mitselmakher, J.G Layter, P Lennous, O Kisselev, Thomas Ferguson, Paolo Giacomelli, J.C. Santiard, L Preston, L Gorn, C. Matthey, T.Y Ling, Andrey Korytov, D.E Klem, E. von Goeler, M.M Baarmand, O. Prokofiev, W. Gorn, J Hirschfelder, J. Fitch, and Craig R. Wuest
Subjects: Physics, Nuclear and High Energy Physics, Muon, business.industry, Physics::Instrumentation and Detectors, Bremsstrahlung, STRIPS, Cathode, law.invention, Nuclear physics, Optics, law, Carbon–fluorine bond, Physics::Accelerator Physics, High Energy Physics::Experiment, Detectors and Experimental Techniques, business, Instrumentation, Image resolution, Beam (structure)
Abstract: A simple network of comparators applied to the strip signals of a cathode strip chamber allows quick hit localization to within a halfstrip width, or ± a quarter-strip. A six-plane chamber with 6.4 mm wide strips was tested in a high-energy muon beam. The chamber was placed behind a 30 cm thick iron block. We show that patterns of hits localized to within a halfstrip allowed us to identify 300 GeV/c muon tracks with 99% probability and 0.7 mm spatial resolution in the presence of bremsstrahlung radiation. This technique of finding muon tracks will be used in the cathode strip chambers of the CMS Endcap Muon System.
Published: 1998

27. 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

28. Large enhancement of deuteron polarization with frequency modulated microwaves

Author: J. Vogt, A. Nagaitsev, John C. Mitchell, A. Magnon, D. Crabb, Iskender Atilla Reyhancan, H. J. Kessler, Roland Windmolders, VW Hughes, Kwong Lau, J. Kyynäräinen, I.A. Savin, F. Tessarotto, J. Çuhadar, D. Peshekhonov, E. Rondio, R. Kaiser, A. Arvidson, J. Nassalski, B. W. Mayes, J. H. Moromisato, A. Brüll, C.S. Ozben, J. Pretz, J. Martino, L. Ropelewski, S. Dalla Torre, G. Gracia, T. Matsuda, Gerhard K. Mallot, K. M. Teichert, Anna Zanetti, M. Lowe, A. Rijllart, M. Plo, C. Garabatos, T. Kageya, Jay Roberts, T. Lindqvist, D. Sanders, J. M. Rieubland, M. Grosse Perdekamp, P. Björkholm, Bernardo Adeva, C. A. Whitten, C. Cavata, M. Boutemeur, A. Witzmann, A. Ogawa, J.M. Clement, V. Kukhtin, Abhay Deshpande, G. Salvato, Roy Weinstein, S. Ishimoto, N. De Groot, Takahiro Iwata, F. Feinstein, D. Pose, Alessandro Bressan, N. Horikawa, Heinrich B. Stuhrmann, J. P. Chen, M. Clocchiatti, I. Bird, D. von Harrach, I. Kiryushin, B. Frois, J. Zhao, H. Postma, Yannis K. Semertzidis, J. Pyrlik, N. de Botton, Aina Yañez, J. Saborido, M. Lamanna, G.S. Mutchler, R. van Dantzig, L. Betev, B. Neganov, T. O. Niinikoski, B. E. Bonner, Etienne Burtin, S. E. Rock, Regine Willumeit, I. Sabo, A. Dyring, J.A. Buchanan, Sergey M. Sergeev, V. G. Krivokhijine, Rudiger Voss, J. S. McCarthy, G. van Middelkoop, S. Bültmann, E. Arik, C. A. Heusch, P. Shanahan, E. P. Sichtermann, S. Platchkov, David Miller, J. Lichtenstadt, L. Naumann, Cristino Pérez, M. K. Ballintijn, G.I. Smirnov, T. Hasegawa, T. Layda, C. Dulya, A. Kishi, Patrick Hautle, J. M. Le Goff, A. Rosado, F. Lehar, Ricardo Piegaia, G. Bardin, M. Giorgi, Shafqat Ahmad, A. de Lesquen, F. Sever, Donal Day, R. E. Segel, E. Gülmez, E. M. Kabuß, D. Fasching, S. Lopez-Ponte, T. Pussieux, D. Krämer, A. Sandacz, W. Wislicki, A. Steinmetz, Alan D. Martin, F. Marie, I. A. Golutvin, Ulrich Landgraf, W. Thiel, M. Litmaath, M. Velasco, O. Rondon, S. Eichblatt, M. D. Corcoran, Günter Baum, J. E.J. Oberski, P. Berglund, T. Gaussiran, E. von Goeler, A. Staude, Aldo Penzo, J. Cranshaw, N. Zamiatin, T. J. Ketel, Shoji Okumi, L. Klostermann, R. Seitz, B. Badelek, C. Fernandez, N. Hayashi, R. Birsa, M. Rodriguez, F. Perrot-Kunne, A. Karev, Lawrence Pinsky, Kunikazu Mori, J. C. Faivre, G. Igo, K. Medved, Andrés Gómez, J. A. Garzon, Franco Bradamante, P. Schiavon, Y. Kisselev, M. de Jong, K. P. Schüler, S. Dhawan, and (Astro)-Particles Physics
Subjects: Physics, Nuclear and High Energy Physics, Polarization rotator, Absorption spectroscopy, Scattering, business.industry, FOS: Physical sciences, DYNAMIC NUCLEAR-POLARIZATION, TARGET, Polarization (waves), law.invention, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Optics, Deuterium, law, Nuclear Experiment (nucl-ex), Atomic physics, Detectors and Experimental Techniques, business, Electron paramagnetic resonance, Nuclear Experiment, Instrumentation, Frequency modulation, Microwave
Abstract: We report a large enhancement of 1.7 in deuteron polarization up to values of 0.6 due to frequency modulation of the polarizing microwaves in a two liters polarized target using the method of dynamic nuclear polarization. This target was used during a deep inelastic polarized muon-deuteron scattering experiment at CERN. Measurements of the electron paramagnetic resonance absorption spectra show that frequency modulation gives rise to additional microwave absorption in the spectral wings. Although these results are not understood theoretically, they may provide a useful testing ground for the deeper understanding of dynamic nuclear polarization., 10 pages, including the figures coming in uuencoded compressed tar files in poltar.uu, which also brings cernart.sty and crna12.sty files needed
Published: 1995

29. OBSERVATION OF THE TOP-QUARK

Author: S. Abachi, B. Abbott, M. Abolins, B. S. Acharya, I. Adam, D. L. Adams, M. Adams, S. Ahn, H. Aihara, J. Alitti, G. Álvarez, G. A. Alves, E. Amidi, N. Amos, E. W. Anderson, S. H. Aronson, R. Astur, R. E. Avery, A. Baden, V. Balamurali, J. Balderston, B. Baldin, J. Bantly, J. F. Bartlett, K. Bazizi, J. Bendich, S. B. Beri, I. Bertram, V. A. Bezzubov, P. C. Bhat, V. Bhatnagar, M. Bhattacharjee, A. Bischoff, N. Biswas, G. Blazey, S. Blessing, A. Boehnlein, N. I. Bojko, F. Borcherding, J. Borders, C. Boswell, A. Brandt, R. Brock, A. Bross, D. Buchholz, V. S. Burtovoi, J. M. Butler, D. Casey, H. Castilla-Valdez, D. Chakraborty, S.-M. Chang, S. V. Chekulaev, L.-P. Chen, W. Chen, L. Chevalier, S. Chopra, B. C. Choudhary, J. H. Christenson, M. Chung, D. Claes, A. R. Clark, W. G. Cobau, J. Cochran, W. E. Cooper, C. Cretsinger, D. Cullen-Vidal, M. Cummings, D. Cutts, O. I. Dahl, K. De, M. Demarteau, R. Demina, K. Denisenko, N. Denisenko, D. Denisov, S. P. Denisov, W. Dharmaratna, H. T. Diehl, M. Diesburg, G. Di Loreto, R. Dixon, P. Draper, J. Drinkard, Y. Ducros, S. R. Dugad, S. Durston-Johnson, D. Edmunds, A. O. Efimov, J. Ellison, V. D. Elvira, R. Engelmann, S. Eno, G. Eppley, P. Ermolov, O. V. Eroshin, V. N. Evdokimov, S. Fahey, T. Fahland, M. Fatyga, M. K. Fatyga, J. Featherly, S. Feher, D. Fein, T. Ferbel, G. Finocchiaro, H. E. Fisk, Yu. Fisyak, E. Flattum, G. E. Forden, M. Fortner, K. C. Frame, P. Franzini, S. Fredriksen, S. Fuess, A. N. Galjaev, E. Gallas, C. S. Gao, S. Gao, T. L. Geld, R. J. Genik II, K. Genser, C. E. Gerber, B. Gibbard, M. Glaubman, V. Glebov, S. Glenn, J. F. Glicenstein, B. Gobbi, M. Goforth, A. Goldschmidt, B. Gomez, P. I. Goncharov, H. Gordon, L. T. Goss, N. Graf, P. D. Grannis, D. R. Green, J. Green, H. Greenlee, G. Griffin, N. Grossman, P. Grudberg, S. Grünendahl, J. A. Guida, J. M. Guida, W. Guryn, S. N. Gurzhiev, Y. E. Gutnikov, N. J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian, K. S. Hahn, R. E. Hall, S. Hansen, R. Hatcher, J. M. Hauptman, D. Hedin, A. P. Heinson, U. Heintz, R. Hernandez-Montoya, T. Heuring, R. Hirosky, J. D. Hobbs, B. Hoeneisen, J. S. Hoftun, F. Hsieh, Ting Hu, Tong Hu, T. Huehn, S. Igarashi, A. S. Ito, E. James, J. Jaques, S. A. Jerger, J. Z.-Y. Jiang, T. Joffe-Minor, H. Johari, K. Johns, M. Johnson, H. Johnstad, A. Jonckheere, H. Jöstlein, S. Y. Jun, C. K. Jung, S. Kahn, J. S. Kang, R. Kehoe, M. Kelly, A. Kernan, L. Kerth, C. L. Kim, S. K. Kim, A. Klatchko, B. Klima, B. I. Klochkov, C. Klopfenstein, V. I. Klyukhin, V. I. Kochetkov, J. M. Kohli, D. Koltick, A. V. Kostritskiy, J. Kotcher, J. Kourlas, A. V. Kozelov, E. A. Kozlovski, M. R. Krishnaswamy, S. Krzywdzinski, S. Kunori, S. Lami, G. Landsberg, R. E. Lanou, J-F. Lebrat, J. Lee-Franzini, A. Leflat, H. Li, J. Li, Y. K. Li, Q. Z. Li-Demarteau, J. G. R. Lima, D. Lincoln, S. L. Linn, J. Linnemann, R. Lipton, Y. C. Liu, F. Lobkowicz, S. C. Loken, S. Lökös, L. Lueking, A. L. Lyon, A. K. A. Maciel, R. J. Madaras, R. Madden, I. V. Mandrichenko, Ph. Mangeot, S. Mani, B. Mansoulié, H. S. Mao, S. Margulies, R. Markeloff, L. Markosky, T. Marshall, M. I. Martin, M. Marx, B. May, A. A. Mayorov, R. McCarthy, T. McKibben, J. McKinley, H. L. Melanson, J. R. T. de Mello Neto, K. W. Merritt, H. Miettinen, A. Milder, C. Milner, A. Mincer, J. M. de Miranda, C. S. Mishra, M. Mohammadi-Baarmand, N. Mokhov, N. K. Mondal, H. E. Montgomery, P. Mooney, M. Mudan, C. Murphy, C. T. Murphy, F. Nang, M. Narain, V. S. Narasimham, A. Narayanan, H. A. Neal, J. P. Negret, E. Neis, P. Nemethy, D. Nešić, D. Norman, L. Oesch, V. Oguri, E. Oltman, N. Oshima, D. Owen, P. Padley, M. Pang, A. Para, C. H. Park, Y. M. Park, R. Partridge, N. Parua, M. Paterno, J. Perkins, A. Peryshkin, M. Peters, H. Piekarz, Y. Pischalnikov, A. Pluquet, V. M. Podstavkov, B. G. Pope, H. B. Prosper, S. Protopopescu, D. Pušeljić, J. Qian, P. Z. Quintas, R. Raja, S. Rajagopalan, O. Ramirez, M. V. S. Rao, P. A. Rapidis, L. Rasmussen, A. L. Read, S. Reucroft, M. Rijssenbeek, T. Rockwell, N. A. Roe, J. M. R. Roldan, P. Rubinov, R. Ruchti, S. Rusin, J. Rutherfoord, A. Santoro, L. Sawyer, R. D. Schamberger, H. Schellman, D. Schmid, J. Sculli, E. Shabalina, C. Shaffer, H. C. Shankar, R. K. Shivpuri, M. Shupe, J. B. Singh, V. Sirotenko, W. Smart, A. Smith, R. P. Smith, R. Snihur, G. R. Snow, S. Snyder, J. Solomon, P. M. Sood, M. Sosebee, M. Souza, A. L. Spadafora, R. W. Stephens, M. L. Stevenson, D. Stewart, F. Stocker, D. A. Stoianova, D. Stoker, K. Streets, M. Strovink, A. Taketani, P. Tamburello, J. Tarazi, M. Tartaglia, T. L. Taylor, J. Teiger, J. Thompson, T. G. Trippe, P. M. Tuts, N. Varelas, E. W. Varnes, P. R. G. Virador, D. Vititoe, A. A. Volkov, E. von Goeler, A. P. Vorobiev, H. D. Wahl, J. Wang, L. Z. Wang, J. Warchol, M. Wayne, H. Weerts, W. A. Wenzel, A. White, J. T. White, J. A. Wightman, J. Wilcox, S. Willis, S. J. Wimpenny, J. V. D. Wirjawan, Z. Wolf, J. Womersley, E. Won, D. R. Wood, H. Xu, R. Yamada, P. Yamin, C. Yanagisawa, J. Yang, T. Yasuda, C. Yoshikawa, S. Youssef, J. Yu, Y. Yu, Y. Zhang, Y. H. Zhou, Q. Zhu, Y. S. Zhu, Z. H. Zhu, D. Zieminska, A. Zieminski, A. Zinchenko, and A. Zylberstejn
Subjects: Quark, Physics, Top quark, Particle physics, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, FOS: Physical sciences, Bottom quark, Particle identification, High Energy Physics - Experiment, Standard Model, Nuclear physics, High Energy Physics - Phenomenology, Particle decay, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Production (computer science), High Energy Physics::Experiment, Nuclear Experiment
Abstract: The DO collaboration reports on a search for the Standard Model top quark in pbar-p collisions at Sqrt(s)=1.8TeV at the Fermilab Tevatron, with an integrated luminosity of approximately 50pb-1. We have searched for t-tbar production in the dilepton and single-lepton decay channels, with and without tagging of b-quark jets. We observed 17 events with an expected background of 3.8+/-0.6 events. The probability for an upward fluctuation of the background to produce the observed signal is 2.0E-6 (equivalent to 4.6 standard deviations). The kinematic properties of the excess events are consistent with top quark decay. We conclude that we have observed the top quark and measure its mass to be 199^+19_21 (stat.)+/- 22 (syst.)GeV/c**2 and its production cross section to be 6.4 +/- 2.2 pb., Comment: postscript available at http://fnnews.fnal.gov/top_paper_dzero.ps, for further info see http://fnnews.fnal.gov/top_discovery.html
Published: 1995

30. Neutrino-induced and atmospheric single-muon fluxes measured over five decades of intensity by LVD at Gran Sasso laboratory

Author: F. Cindolo, Jose Chinellato, B. Monteleoni, D. Sanders, N. Mengotti Silva, M. A. Markov, I. Uman, G. C. Trinchero, V. G. Ryasny, M. Widgoff, G. Conforto, Rosario Nania, E. V. Korolkova, P. Pinna, L. G. Dos Santos, Gabriella Sartorelli, R. Mantovani, Isao Yamamoto, J. H. Moromisato, A. Chiavassa, C. Melagrana, Carlo Vigorito, F. Grianti, E. von Goeler, J. Tang, X. Zhu, Y. Cao, D. Shen, S. De Pasquale, Giovanni Badino, N. Taborgna, P. Giusti, L. Votano, Luisa Cifarelli, P. Picchi, P. V. Kortchaguin, L. Periale, H. Tang, F. Wang, G. T. Zatsepin, S. Gu, V. A. Kudryavtsev, D. Parks, Fabrizio Fabbri, P. Antonioli, X. Zhou, X. Lin, I. A. Pless, J. Pyrlik, J. Qiu, V. S. Berezinsky, R. Bertoni, V. P. Talochkin, Z. Ma, M. Basile, Behcet Alpat, B. Zhuang, P. Haridas, V. B. Kortchaguin, O. G. Ryazhskaya, P. Vallania, O. Saavedra, M. Pu, A. De Silva, T. Massam, V. L. Dadykin, C. Castagnoli, C. Morello, P. Desiati, Akeo Misaki, P. L. Ghia, L. Xu, Antonino Zichichi, Shuang Cong, A. Turtelli, Z. Xu, Andrea Bizzeti, P. Dominici, W. Fulgione, Kwong Lau, E. D. Alyea, Antonella Castellina, K. Chen, Marco Aglietta, G. Bari, V. F. Yakushev, Stefano Santini, B. Mayes, R. Chen, P.G. Pelfer, Z. Mao, Andrea Contin, R. I. Enikeev, P. Galeotti, Lawrence Pinsky, L. Panaro, A. S. Malguin, Tomonori Wada, E. S. Hafen, G. Maccarrone, A. Bosco, Roy Weinstein, L. Lu, S. Wang, K. Saitoh, S. Vernetto, A. Benelli, Stefano Bianco, G. Brugnola, G. Cara Romeo, Q. Q. Zhu, M. Luvisetto, G. H. Mo, F. F. Khalchukov, Hongwei Wang, W. D. Tian, G. Bruni, Y. Guo, N. Inoue, Giuseppe Iacobucci, F. Vetrano, Y. Ban, M. Deutsch, G. Landi, G. Guidi, J. Ma, and G. Navarra
Subjects: Azimuth, Nuclear physics, Atmosphere, Physics, Astrophysics and Astronomy, Flux (metallurgy), Pion, Muon, Monte Carlo method, Astronomy and Astrophysics, Neutrino, Intensity (heat transfer)
Abstract: We report data taken by the LVD Experiment during a live-time period of 11 556 h. We have measured the muon intensity at slant depths of standard rock from about 3000 hg/cm 2 to about 20 000 hg/cm 2 . This is an exclusive study, namely our data include only events containing single muons. This interval of slant depth extends into the region where the dominant source of underground muons seen by LVD is the interaction of atmospheric neutrinos with the rock surrounding LVD. The interesting result is that this flux is independent of slant depth beyond a slant depth of about 14 000 hg/cm 2 of standard rock. Due to the unique topology of the Gran Sasso Laboratory the muons beyond about 14 000 hg/cm 2 of standard rock are at a zenithal angle near 90°. Hence we have, for this fixed angle, a muon flux which is independent of slant depth. This is direct evidence that this flux is due to atmospheric neutrinos interacting in the rock surrounding LVD. The value of this flux near 90° is (8.3 ± 2.6) × 10 −13 cm −2 s −1 sr −1 , which is the first reported measurement at a zenithal angle near 90° and for slant depths between 14 000 and 20 000 hg/cm 2 . Our data cover over five decades of vertical intensity, and can be fit with just three parameters over the full range of our experiment. This is the first time a single experiment reports the parameters of a fit made to the vertical intensity over such a large range of standard rock slant depth. The results are compared with a Monte Carlo simulation which has as one of the two free parameters γ πκ , the power index of the differential energy spectrum of the pions and kaons in the atmosphere. This comparison yields a value of 2.75 ± 0.03 for γ πκ , where the error includes the systematic uncertainties. Our data are compared to other measurements made in our slant depth interval. We also report the value of the muon flux in Gran Sasso at θ = 90° as a function of the azimuthal angle.
Published: 1995

31. Measurement of the Spin-Dependent Structure Function $g_1(x)$ of the Proton

Author: Kwong Lau, A. Witzmann, E. M. Kabuβ, M. D. Corcoran, G. Gracia, H. Postma, N. Horikawa, B. Meyes, R. E. Segel, L. Naumann, J. Saborido, L. S. Pinsky, David Miller, Anne-Laure Martin, Alessandro Bressan, D. von Harrach, R. Kaiser, Drew Parks, Iskender Atilla Reyhancan, C. Fernandez, Patrick Hautle, P. Björkholm, H. J. Kessler, Roland Windmolders, M. Lowe, Yannis K. Semertzidis, J. Pyrlik, A. Arvidson, Massimo Lamanna, Yu. Kisselev, I. Sabo, E. von Goeler, M. Crawford, Mayda Velasco, E. Burtin, Regine Willumeit, F. Marie, L. Betev, R. van Dantzig, U. Stiegler, T. Lindqvist, F. Tessarotto, K. P. Schüler, T. Matsuda, C. Cavata, D. Fasching, D.V. Peshekhonov, M. Litmaath, G. Igo, E. Rondio, Satish Dhawan, Erhan Gülmez, C. Dulya, V. W. Hughes, S. Lopez-Ponte, T. Layda, M. Plo, G. Bardin, Per Berglund, A. Kishi, I.A. Savin, T. Iwata, Ricardo Piegaia, S. Platchkov, J. S. McCarthy, M. Giorgi, J. Cranshaw, Aldo Penzo, M. Grosse Perdekamp, J. Martino, Ulrich Landgraf, J. A. Garzon, Roy Weinstein, N. Shumeiko, Anna Zanetti, Franco Bradamante, Cristino Pérez, A. Rosado, A. Magnon, M. Clocchiatti, Julien Faivre, T. Çuhadar, L. Klostermann, C. A. Heusch, A. de Lesquen, P. Shanahan, T. Gaussiran, R. Seitz, A. Brüll, T. Pussieux, P. Schiavon, M. J. Le Goff, M. Ballintijn, G. van Middelkoop, Tjeerd Ketel, F. Feinstein, J. Lichtenstadt, N. De Groot, T. Hasegawa, G. Baum, C. A. Whitten, B. E. Bonner, S. E. Rock, B. Badelek, K. M. Teichert, I. G. Bird, S. Eichblatt, Matias Rodriguez, Rudiger Voss, N. Hayashi, Gerhard K. Mallot, V. Krivokhijine, Jay Roberts, S. Bültmann, A. Karev, D. Pose, R. Birsa, D. G. Crabb, W. Wislicki, A. Sandacz, A. Steinmetz, F. Perrot-Kunne, T. O. Niinikoski, F. Lehar, Daniel B. Kramer, J. Oberski, A. Staude, N. de Botton, Victor Kukhtin, J. M. Rieubland, A. Nagaitsev, J. Kyynäräinen, Kunikazu Mori, K. Medved, J. H. Moromisato, J. Nassalski, G.I. Smirnov, S. Dalla Torre, B. Frois, F. Sever, J. Vogt, J. Pretz, S. Ishimoto, A. Dyring, E. Arik, Heinrich B. Stuhrmann, D. Adams, J. Zhao, A. Rijllart, Bernardo Adeva, Adams, D., Adeva, B., Arik, E., Arvidson, A., Badelek, B., Ballintijn, M. K., Bardin, G., Baum, G., Berglund, P., Betev, L., Bird, I. G., Birsa, Renato, Björkholm, P., Bonner, B. E., de Botton, N., Bradamante, Franco, Bressan, Andrea, Brüll, A., Bültmann, S., Burtin, E., Cavata, C., Clocchiatti, M., Corcoran, M. D., Crabb, D., Cranshaw, J., Crawford, M., Çuhadar, T., DALLA TORRE, Silvia, van Dantzig, R., Dhawan, S., Dulya, C., Dyring, A., Eichblatt, S., Faivre, J. C., Fasching, D., Feinstein, F., Fernandez, C., Frois, B., Garzon, J. A., Gaussiran, T., Giorgi, Marcello, von Goeler, E., Gracia, G., de Groot, N., Grosse Perdekamp, M., Gülmez, E., von Harrach, D., Hasegawa, T., Hautle, P., Hayashi, N., Heusch, C. A., Horikawa, N., Hughes, V. W., Igo, G., Ishimoto, S., Iwata, T., Kabuß, E. M., Kaiser, R., Karev, A., Kessler, H. J., Ketel, T. J., Kishi, A., Kisselev, Y. u., Klostermann, L., Krämer, D., Krivokhijine, V., Kukhtin, V., Kyynäräinen, J., Lamanna, M., Landgraf, U., Lau, K., Layda, T., Le Goff, M. J., Lehar, F., de Lesquen, A., Lichtenstadt, J., Lindqvist, T., Litmaath, M., Lopez Ponte, S., Lowe, M., Magnon, A., Mallot, G. K., Marie, F., Martin, Anna, Martino, J., Matsuda, T., Meyes, B., Mccarthy, J. S., Medved, K., van Middelkoop, G., Miller, D., Mori, K., Moromisato, J., Nagaitsev, A., Nassalski, J., Naumann, L., Niinikoski, T. O., Oberski, J. E. J., Parks, D. P., Penzo, A., Perez, C., Perrot Kunne, F., Peshekhonov, D., Piegaia, R., Pinsky, L., Platchkov, S., Plo, M., Pose, D., Postma, H., Pretz, J., Pussieux, T., Pyrlik, J., Reyhancan, I., Rieubland, J. M., Rijllart, A., Roberts, J. B., Rock, S., Rodriguez, M., Rondio, E., Rosado, A., Sabo, I., Saborido, J., Sandacz, A., Savin, I., Schiavon, Paolo, Schüler, K. P., Segel, R., Seitz, R., Semertzidis, Y., Sever, F., Shanahan, P., Shumeiko, N., Smirnov, G., Staude, A., Steinmetz, A., Stiegler, U., Stuhrmann, H., Teichert, K. M., Tessarotto, F., Velasco, M., Vogt, J., Voss, R., Weinstein, R., Whitten, C., Windmolders, R., Willumeit, R., Wislicki, W., Witzmann, A., Zanetti, A. M., and Zhao, J.
Subjects: Nuclear and High Energy Physics, Proton, approx. 190 GeV-cms, Hadron, HERA, Nuclear Theory, FOS: Physical sciences, Elementary particle, spin dependence, x-dependence, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), p: polarized target, deep inelastic scattering: muon p, p: structure function, POLARIZED ELECTROPRODUCTION, structure function: moment, NUCLEON, Nuclear Experiment, polarized beam: muon, Spin-½, Physics, BJORKEN SUM-RULE, cross section: asymmetry, High Energy Physics::Phenomenology, Fermion, polarized target: p, dependence: spin, CERN SPS, DEUTERON, magnetic spectrometer: experimental results, sum rule, Baryon, F2, High Energy Physics - Phenomenology, Deuterium, DEEP INELASTIC-SCATTERING, E-P, ASYMMETRY, muon p: deep inelastic scattering, Physics::Accelerator Physics, Phenomenology-HEP, High Energy Physics::Experiment, muon: polarized beam, Atomic physics, Nucleon
Abstract: We have measured the spin-dependent structure function $g_1^p$ of the proton in deep inelastic scattering of polarized muons off polarized protons, in the kinematic range $0.003, Comment: 11 pages, CERN-PPE/94-57
Published: 1994

32. 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

33. 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

34. 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

35. Status of the LVD experiment at Gran Sasso Laboratory

Author: O. Saavedra, P. Guisti, I. Uman, G. C. Trinchero, G. Cara Romeo, K. Chen, W. D. Tian, Z. Mao, F. F. Khalchukov, G. Bruni, Hongwei Wang, X. Zhu, Y. Cao, J. Ma, D. Shen, L. Panaro, Nobusuke Takahashi, H. Tang, Drew Parks, G. Navarra, R. I. Enikeev, Elena Korolkova, X. Zhou, M. Basile, A. Benelli, O. G. Ryazhskaya, Y. Guo, Rosario Nania, G. Cini, Stefano Bianco, Isao Yamamoto, L. Lu, L. G. Dos Santos, R. Chen, S. Vernetto, P. Haridas, P. Pinna, V. F. Yukushev, J. H. Moromisato, Z. Xu, L. Bergamasco, A. Zallo, G. Landi, Andrea Bizzeti, R. Weathers, V. L. Dadykin, C. Castagnoli, F. L. Fabbri, Shuang Cong, T. Massam, Giovanni Badino, Giuseppe Iacobucci, P. L. Ghia, Kwong Lau, Lawrence Pinsky, P. V. Kortchaguin, J. Qui, S. Wang, E. D. Alyea, V. P. Talochkin, Z. Ma, Y. Ban, Andrea Contin, B. W. Mayes, V. S. Berezinsky, P. Vallania, N. Inoue, D. Sanders, A. S. Malguin, Tomonori Wada, M. Deutsch, S. Sarwar, R. Casaccia, C. Morello, M. Pu, W. Fulgione, E. S. Hafen, G. H. Mo, Antonino Zichichi, Giancarlo Susinno, R. Scrimaglio, G. Anzivino, Q. Q. Zhu, P.G. Pelfer, Pietro Antonioli, Luisa Cifarelli, A. DeSilva, J. Pyrlik, V. B. Kortchaguin, L. Periale, B. Monteleoni, M. Widgoff, F. Palmonari, B. Zhuang, Marco Aglietta, I. A. Pless, M. Dardo, L. Xu, A. Turtelli, S. Gu, P. Galeotti, Roy Weinstein, J. Tang, E. von Goeler, G. T. Zatsepin, Akeo Misaki, Antonella Castellina, L. Votano, G. Maccarrone, C. Del Papa, F. Grianti, F. Wang, V. A. Kudryavtsev, G. Sartorelli, X. Lin, G. Bari, Behcet Alpat, N. Mengotti Silva, M. A. Markov, V. G. Ryasny, Jose Chinellato, and P. Picchi
Subjects: Nuclear physics, ICARUS, Physics, Physics::Popular Physics, Particle physics, Physics::Instrumentation and Detectors, Astrophysics::Instrumentation and Methods for Astrophysics, High Energy Physics::Experiment, Nuclear Experiment, Large Volume Detector, Particle detector
Abstract: The LVD particle astrophysics detector at Gran Sasso Laboratory is described and the status of the detector is presented.
Published: 1992

36. Lifetime of the Tau Lepton

Author: J. S. Marsh, M. W. Gettner, A. Marini, W. Faissler, R. Prepost, T. Maruyama, M. C. Delfino, I. M. Peruzzi, B. K. Heltsley, Frederic Jean Ronga, D. E. Groom, S. J. Michalowski, H. R. Band, J. H. Moromisato, S. H. Clearwater, James Allaby, L. J. Rosenberg, R. W. Zdarko, A. L. Read, G. P. Goderre, H. S. Kaye, J.R. Johnson, R. Messner, R. W. Coombes, W. W. Ash, M. Piccolo, E. C. Loh, B. Gottschalk, D. M. Ritson, W. T. Ford, Kwong Lau, D. E. Wiser, R. E. Leedy, G. B. Chadwick, O. A. Meyer, James G. Smith, R. Morse, H. Y. Lee, W. D. Shambroom, K. Rich, Y. Goldschmidt-Clermont, E. von Goeler, L. Baksay, R. B. Hurst, Roy Weinstein, and S. P. Leung
Subjects: Physics, Particle physics, Annihilation, Detector, Monte Carlo method, General Physics and Astronomy, Elementary particle, Fermion, Particle detector, Nuclear physics, Particle decay, Physics::Accelerator Physics, High Energy Physics::Experiment, Lepton
Abstract: From three-prong decays of tau leptons produced in the MAC detector at PEP, the lifetime of the tau is determined to be (4.9 +- 2.0) x 10/sup -13/ sec.
Published: 1982

37. Study of acollinear muon pair production ine+e−interactions atEc.m.=29GeV

Author: M. C. Delfino, H. T. Blume, Y. Goldschmidt-Clermont, R. W. Coombes, Alexander Lincoln Read, S. J. Michalowski, M. W. Gettner, R. Prepost, L. J. Rosenberg, G. P. Goderre, H. S. Kaye, O. A. Meyer, E. Fernandez, J. H. Moromisato, T. L. Lavine, M. Piccolo, J. R. Johnson, R. Messner, E. C. Loh, James Allaby, H. L. Lynch, W. W. Ash, Kwong Lau, W. D. Shambroom, Roy Weinstein, J. P. Venuti, R. E. Leedy, H. R. Band, B. K. Heltsley, D. E. Wiser, G. B. Chadwick, L. Baksay, Andrea Carlo Marini, R. W. Zdarko, B. Gottschalk, J. R. Smith, T. Maruyama, R. B. Hurst, S. H. Clearwater, H. Y. Lee, F.J. Ronga, E. von Goeler, D. M. Ritson, D. E. Groom, W. T. Ford, I. M. Peruzzi, and K. Rich
Subjects: Physics, Nuclear physics, Particle physics, Pair production, Particle properties, Muon, Physics::Instrumentation and Detectors, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Physics::Accelerator Physics, High Energy Physics::Experiment, Supersymmetry
Abstract: We have studied the production of acollinear muon pairs in e/sup +/e/sup -/ interactions using the MAC detector at PEP. The results are totally accounted for by the QED processes e/sup +/e/sup -/..-->..e/sup +/e/sup -/..mu../sup +/..mu../sup -/ and e/sup +/e/sup -/..--> mu../sup +/..mu../sup -/..gamma.. in which only the muon pairs are detected. We have also searched for the production of the supersymmetric partners of the muon. The existence of a spin-0 supersymmetric partner of the muon with a mass
Published: 1983

38. Electroweak Effects ine+e−→τ+τ−at 29 GeV

Author: R. Messner, J. H. Moromisato, M. Piccolo, R. Prepost, R. E. Leedy, R. B. Hurst, E. Fernandez, T. L. Lavine, F.J. Ronga, D. M. Ritson, G. B. Chadwick, N. Qi, J. P. Venuti, Tiziano Camporesi, M. C. Delfino, O. A. Meyer, R. W. Zdarko, J. R. Johnson, Andrea Carlo Marini, Hoyun Lee, D. E. Wiser, J. R. Smith, M. W. Gettner, H. T. Blume, E. von Goeler, W. W. Ash, R. W. Coombes, G. P. Goderre, H. S. Kaye, R. de Sangro, H. B. Wald, S. H. Clearwater, L. J. Moss, Roy Weinstein, T. Maruyama, L. J. Rosenberg, B. K. Heltsley, I. M. Peruzzi, H. R. Band, H. L. Lynch, D. E. Groom, J. C. Sleeman, W. T. Ford, F. Muller, H. N. Nelson, Kwong Lau, Alexander Lincoln Read, and W. D. Shambroom
Subjects: Physics, Particle physics, Electroweak interaction, General Physics and Astronomy
Published: 1985

39. Observation of charge asymmetry in hadron jets frome+e−annihilation at√s =29GeV

Author: M. W. Gettner, H. N. Nelson, L. J. Rosenberg, Piero Giorgio Verdini, D. E. Groom, J. C. Sleeman, G. P. Goderre, W. T. Ford, J. H. Moromisato, W. D. Shambroom, E. von Goeler, M. Piccolo, H. R. Band, F.J. Ronga, R. B. Hurst, M. C. Delfino, F. Muller, G. B. Chadwick, N. Qi, J. P. Venuti, J. R. Johnson, R. Prepost, I. M. Peruzzi, W. W. Ash, L. J. Moss, J. Pyrlik, Kwong Lau, R. de Sangro, T. Maruyama, Roy Weinstein, T. L. Lavine, J. R. Smith, Tiziano Camporesi, R. W. Zdarko, R. Messner, R. E. Leedy, H. B. Wald, Alexander Lincoln Read, D. M. Ritson, and D. E. Wiser
Subjects: Physics, Particle physics, Annihilation, media_common.quotation_subject, Hadron, General Physics and Astronomy, Charge (physics), Asymmetry, media_common
Published: 1987

40. Precision measurement of the total cross section fore+e−→hadrons at a center-of-mass energy of 29 GeV

Author: E. Fernandez, T. L. Lavine, Alexander Lincoln Read, R. B. Hurst, M. W. Gettner, G. B. Chadwick, B. Gottschalk, J. G. Smith, O. A. Meyer, Tiziano Camporesi, J. P. Venuti, D. E. Wiser, L. J. Moss, R. Prepost, W. W. Ash, Frederic Jean Ronga, Roy Weinstein, H. B. Wald, Hoyun Lee, M. C. Delfino, D. M. Ritson, R. W. Zdarko, H. N. Nelson, J. H. Moromisato, R. Messner, K. Rich, E. von Goeler, Andrea Carlo Marini, D. E. Groom, J. C. Sleeman, W. T. Ford, S. H. Clearwater, R. E. Leedy, L. J. Rosenberg, W. D. Shambroom, K. H. Lau, Brian Heltsley, E. C. Loh, N. Qi, J.R. Johnson, T. Maruyama, M. Piccolo, H. L. Lynch, H. R. Band, S. J. Michalowski, R. W. Coombes, F. Muller, R. de Sangro, H. T. Blume, I. M. Peruzzi, G. P. Goderre, and H. S. Kaye
Subjects: Nuclear physics, Quantum chromodynamics, Physics, Coupling constant, Particle physics, Muon, Annihilation, Pair production, Electron–positron annihilation, Hadron, High Energy Physics::Experiment, Elementary particle
Abstract: We report a high-precision measurement of the ratio R of the total cross section for e/sup +/e/sup -/..-->..hadrons to that for e/sup +/e/sup -/..--> mu../sup +/..mu../sup -/, at a center-of-mass energy of 29.0 GeV using the MAC detector. The result is R = 3.96 +- 0.09. This value of R is used to determine a value of the strong coupling constant ..cap alpha../sub s/ of 0.23 +- 0.06, nearly independent of fragmentation models. Two different analysis methods having quite different event-selection criteria have been used and the results are in agreement. Particular attention has been given to the study of systematic errors. New higher-order QED calculations are used for the luminosity determination and the acceptance for hadrons.
Published: 1985

41. Experimental Test of Higher-Order QED and a Search for Excited Muon States

Author: R. Prepost, T. L. Lavine, G. B. Chadwick, S. J. Michalowski, Y. Goldschmidt-Clermont, J. H. Moromisato, Alexander Lincoln Read, M. Piccolo, L. J. Rosenberg, K. Rich, H. Y. Lee, D. M. Ritson, D. E. Wiser, B. K. Heltsley, I. M. Peruzzi, M. C. Delfino, M. W. Gettner, W. D. Shambroom, R. W. Coombes, Roy Weinstein, Andrea Carlo Marini, L. Baksay, O. A. Meyer, R. W. Zdarko, R. Messner, R. E. Leedy, Kwong Lau, G. P. Goderre, H. S. Kaye, E. C. Loh, W. Faissler, T. Maruyama, B. Gottschalk, J. R. Johnson, James Allaby, J. R. Smith, W. W. Ash, H. R. Band, D. E. Groom, W. T. Ford, E. von Goeler, R. B. Hurst, S. H. Clearwater, and F.J. Ronga
Subjects: Physics, Particle physics, Muon, Annihilation, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, media_common.quotation_subject, General Physics and Astronomy, Asymmetry, Spectral line, Nuclear physics, Pair production, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Excited state, High Energy Physics::Experiment, Storage ring, media_common
Abstract: The reactions e/sup +/e/sup -/..--> mu../sup +/..mu../sup -/..gamma gamma.. and e/sup +/e/sup -/..--> mu../sup +/..mu../sup -/..gamma.. have been studied at ..sqrt..s = 29 GeV with the MAC detector at the SLAC storage ring. The measured cross sections, charge asymmetry, and invariant-mass distributions are in good agreement with the predictions of QED theory. Limits are derived for the production of excited muon states.
Published: 1983

42. Electroweak Effects ine+e−→μ+μ−at 29 GeV

Author: S. H. Clearwater, I. M. Peruzzi, M. W. Gettner, W. Faissler, R. B. Hurst, E. von Goeler, J. H. Moromisato, D. E. Groom, M. Piccolo, W. T. Ford, T. Maruyama, G. B. Chadwick, Hoyun Lee, B. Gottschalk, S. J. Michalowski, M. C. Delfino, E. C. Loh, B. K. Heltsley, J. R. Smith, L. J. Rosenberg, Andrea Carlo Marini, W. D. Shambroom, G. P. Goderre, H. S. Kaye, H. R. Band, R. Prepost, H. L. Lynch, K. Rich, H. T. Blume, R. W. Coombes, J. R. Johnson, James Allaby, W. W. Ash, F.J. Ronga, D. M. Ritson, Roy Weinstein, E. Fernandez, T. L. Lavine, L. Baksay, R. W. Zdarko, R. Messner, R. E. Leedy, D. E. Wiser, Y. Goldschmidt-Clermont, Alexander Lincoln Read, Kwong Lau, and O. A. Meyer
Subjects: Nuclear physics, Physics, Particle physics, Muon, Annihilation, Pair production, Electron–positron annihilation, Electroweak interaction, General Physics and Astronomy, Elementary particle, Pseudovector, Lepton
Abstract: A measurement of the cross section for production of collinear muon pairs based upon a sample of about 3000 events observed in the MAC detector at the storage ring PEP is presented. From the angular asymmetry A/sub mumu/ = -0.076 +- 0.018 the axial vector weak neutral coupling is found to be given by g/sub A//sup e/g/sub A//sup ..mu../ = 0.31 +- 0.08. .AE
Published: 1983

43. Search for Forward Production of Massive States Which Decay with Muon Emission

Author: G. J. Blanar, E. Pothier, M. T. Ronan, W. Faissler, M. W. Gettner, Roy Weinstein, J. R. Johnson, C. F. Boyer, D. Potter, E. von Goeler, M. L. Mallary, M. F. Tautz, and D. Garelick
Subjects: Nuclear physics, Physics, Muon, Branching fraction, Mass spectrum, General Physics and Astronomy, Particle, Elementary particle, Fermion, Nuclear Experiment, Beam (structure), Lepton
Abstract: In a search for charmed particles the reactions ..pi../sup -/+p..-->..p/sub r/+..mu..+X and p+p..-->..p/sub r/+..mu..+X have been studied at beam energies of 200 and 240 GeV, respectively. Measurements of the beam particle and the slow recoil proton, p/sub r/, were used to reconstruct the mass (M) of the ..mu..+X system. Model-dependent upper limits, sensitive to threshold behavior, are presented for the forward production cross section times the muon branching ratio for high-mass states (6
Published: 1977

44. search for single photons from radiative neutrino or supersymmetric-particle production

Author: J. P. Venuti, Roy Weinstein, Tiziano Camporesi, M. W. Gettner, Piero Giorgio Verdini, J. Pyrlik, L. J. Rosenberg, Alexander Lincoln Read, E. von Goeler, T. L. Lavine, J. H. Moromisato, D. E. Groom, R. W. Zdarko, J. C. Sleeman, W. T. Ford, G. P. Goderre, M. Piccolo, R. B. Hurst, M. C. Delfino, F. Muller, D. M. Ritson, R. Messner, H. B. Wald, W. D. Shambroom, G. B. Chadwick, H. N. Nelson, Kwong Lau, N. Qi, D. E. Wiser, J. R. Johnson, R. E. Leedy, R. Prepost, I. M. Peruzzi, W. W. Ash, L. J. Moss, T. Maruyama, J. R. Smith, and H. R. Band
Subjects: Physics, Nuclear physics, Massless particle, Particle physics, Annihilation, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, High Energy Physics::Experiment, Invariant mass, Elementary particle, Neutrino, Lepton, Luminosity
Abstract: Final results are presented from a search for single-photons produced in association with neutrinos or other weakly interacting neutral particles in e/sup +/e/sup -/ annihilations at ..sqrt..s = 29 GeV. The search was performed with the MAC detector at PEP in a total integrated luminosity of 177 pb/sup -1/. The search limits the number of light-neutrino families to N/sub nu/ 50 GeV/c/sup 2/ if m/sub e tilde L/ = m/sub e tilde R/ and m/sub ..gamma.. tilde/ = 0. The mass of the wino is limited to m/sub W tilde/ > 51 GeV/c/sup 2/ if m/sub nu tilde/ = 0. These limits are at the 90% confidence level.
Published: 1986

45. Lifetime of Particles ContainingbQuarks

Author: E. Fernandez, W. T. Ford, A. L. Read, J. G. Smith, R. De Sangro, A. Marini, I. Peruzzi, M. Piccolo, F. Ronga, H. T. Blume, H. B. Wald, Roy Weinstein, H. R. Band, M. W. Gettner, G. P. Goderre, B. Gottschalk, R. B. Hurst, O. A. Meyer, J. H. Moromisato, W. D. Shambroom, E. von Goeler, W. W. Ash, G. B. Chadwick, S. H. Clearwater, R. W. Coombes, H. S. Kaye, K. H. Lau, R. E. Leedy, H. L. Lynch, R. L. Messner, S. J. Michalowski, K. Rich, D. M. Ritson, L. J. Rosenberg, D. E. Wiser, R. W. Zdarko, D. E. Groom, Hoyun Lee, E. C. Loh, M. C. Delfino, B. K. Heltsley, J. R. Johnson, T. L. Lavine, T. Maruyama, and R. Prepost
Subjects: Physics, Semileptonic decay, Particle physics, Annihilation, Muon, Meson, High Energy Physics::Phenomenology, Hadron, General Physics and Astronomy, Elementary particle, Nuclear physics, Particle decay, High Energy Physics::Experiment, Nuclear Experiment, Lepton
Abstract: From a sample of hadronic events, produced in e/sup +/e/sup -/ collisions, semileptonic decays of heavy particles have been isolated and used to obtain a measurement for the bottom-quark lifetime of (1.8 +- 0.6(stat.) +- 0.4(syst.)) x 10/sup -12/ sec.
Published: 1983

46. Measurement ofαsfrom hadron jets ine+e−annihilation atsof 29 GeV

Author: I. M. Peruzzi, R. Messner, J. R. Johnson, F. Muller, R. E. Leedy, Tiziano Camporesi, D. M. Ritson, M. Piccolo, Roy Weinstein, M. W. Gettner, R. W. Zdarko, J. P. Venuti, T. L. Lavine, R. de Sangro, N. Qi, J. Pyrlik, D. E. Groom, J. C. Sleeman, M. C. Delfino, W. T. Ford, G. P. Goderre, H. N. Nelson, R. B. Hurst, L. J. Rosenberg, Piero Giorgio Verdini, E. von Goeler, L. J. Moss, G. B. Chadwick, J. R. Smith, R. Prepost, T. Maruyama, H. R. Band, D. E. Wiser, and Alexander Lincoln Read
Subjects: Physics, Quantum chromodynamics, Particle physics, Annihilation, Computer Science::Information Retrieval, Electron–positron annihilation, Quark model, Hadron, Parton, Elementary particle, Nuclear physics, High Energy Physics::Experiment, Nuclear Experiment, Boson
Abstract: A study of the lateral development of jets of hadrons produced in electron-positron annihilation has been used to determine the strong coupling constant {alpha}{sub {ital s}}. Data were obtained with the MAC detector at the SLAC {ital e}{sup +}e{sup {minus}} storage ring PEP at {radical}{ital s} =29 GeV. Based on the parton calculations of Gottschalk and Shatz, a value for {alpha}{sub {ital s}} of 0.133{plus minus}0.005(stat){plus minus}0.009(syst) has been determined for string fragmentation, and 0.112{plus minus}0.008(stat){plus minus}0.007(syst) for an independent-jet model.
Published: 1989

47. Additional evidence for B0_B0 mixing

Author: J. R. Johnson, L. J. Rosenberg, M. W. Gettner, L. Lavine, M. Piccolo, J. P. Venuti, R. Messner, H. R. Band, L. J. Moss, G. P. Goderre, I. M. Peruzzi, R. de Sangro, F. Muller, R. Prepost, N. Qi, R. E. Leedy, J. Pyrlik, D. M. Ritson, G. B. Chadwick, M. C. Delfino, D. E. Wiser, Piero Giorgio Verdini, Tiziano Camporesi, H. N. Nelson, E. von Goeler, Roy Weinstein, D. E. Groom, J. C. Sleeman, W. T. Ford, R. W. Zdarko, R. B. Hurst, J. R. Smith, T. Maruyama, and Alexander Lincoln Read
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Annihilation, Value (computer science), Mixing (physics)
Abstract: The rate of like-charge dimuons has been measured with the MAC detector in hardonic events produced in e + e − annihilation at √ s =29 GeV. If the observed excess is attributed to B 0 B 0 mixing, the corresponding value of the mixing parameter χ = Γ (B→ μ − X)/ Γ (B→ μ ± X) is χ =0.21 +0.29 −0.15 and χ >0.02 at 90% CL.
Published: 1988

48. Experimental Test of the Drell-Yan Model inp+W→μ++μ−+X

Author: P. M. Mockett, S. Childress, M. R. Whalley, S. R. Smith, M. J. Glaubman, M. J. Longo, John Rutherfoord, M. L. Mallary, H. R. Gustafson, H. Johnstad, Lawrence W. Jones, D. Garelick, W.P. Oliver, E. Pothier, P. S. Gauthier, R. W. Williams, J. H. Moromisato, T. J. Roberts, and E. von Goeler
Subjects: Nuclear reaction, Physics, Nuclear physics, Muon, Proton, Mass spectrum, General Physics and Astronomy, High Energy Physics::Experiment, Elementary particle, Invariant mass, Nuclear Experiment, Nucleon, Lepton
Abstract: We report a high-statistics study of the reaction p+W..--> mu../sup +/+..mu../sup -/+X with use of an intense 400-GeV/c proton beam, a magnetized-iron beam dump, and a wide-acceptance detector. Using data near x/sub F/ = 0, we have extracted the nucleon sea-quark distribution and find it to be a factor 1.6 +- 0.3 larger than that obtained by inelastic charged-current neutrino scattering. We then compare the Drell-Yan prediction with our data including the previously unexplored region of large x/sub F/ and find excellent agreement for a wide range of ..mu..-pair invariant mass.
Published: 1981

49. Search for Singly Produced Supersymmetric Electrons ine+e−Interactions

Author: I. M. Peruzzi, S. J. Michalowski, G. P. Goderre, H. S. Kaye, D. M. Ritson, L. J. Rosenberg, H. L. Lynch, S. H. Clearwater, F.J. Ronga, M. W. Gettner, J. H. Moromisato, M. C. Delfino, G. B. Chadwick, M. Piccolo, R. de Sangro, B. K. Heltsley, H. R. Band, E. von Goeler, D. E. Groom, W. T. Ford, R. W. Coombes, K. Rich, H. B. Wald, W. D. Shambroom, R. B. Hurst, Alexander Lincoln Read, E. Fernandez, T. L. Lavine, R. Prepost, H. Y. Lee, R. W. Zdarko, R. Messner, Roy Weinstein, J. P. Venutti, R. E. Leedy, Andrea Carlo Marini, J. R. Smith, D. E. Wiser, T. Maruyama, H. T. Blume, Kwong Lau, O. A. Meyer, J. R. Johnson, W. W. Ash, and E. C. Loh
Subjects: Physics, Particle physics, Angular distribution, Mathematics::Probability, Electron spectra, High Energy Physics::Phenomenology, General Physics and Astronomy, High Energy Physics::Experiment, Production (computer science), Elementary particle, Electron, Lower limit
Abstract: A search for supersymmetric electron production via the reaction ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}{e}^{\ifmmode\pm\else\textpm\fi{}}\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\gamma}}{\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{e}}^{\ensuremath{\mp}}$ followed by the decay ${\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{e}}^{\ensuremath{\mp}}\ensuremath{\rightarrow}{e}^{\ensuremath{\mp}}\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\gamma}}$ has been performed with the MAC detector at the electron-positron storage ring PEP. No candidates were found in a sample corresponding to an integrated luminosity of 36.4 ${\mathrm{pb}}^{\ensuremath{-}1}$. For a massless $\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\gamma}}$ this corresponds to a lower limit on the $\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{e}$ mass of 22.4 GeV/${\mathit{c}}^{2}$ at the 95% confidence level.
Published: 1984

50. Measurement ofψ(3.1)Meson Production by Pions and Protons

Author: M. F. Tautz, M. W. Gettner, D. Garelick, H. Johnstad, W. Faissler, G. J. Blanar, Roy Weinstein, J. R. Johnson, M. L. Mallary, M. J. Glaubman, D. Potter, E. von Goeler, E. Pothier, M. T. Ronan, and C. F. Boyer
Subjects: Nuclear physics, Physics, Particle physics, Meson production, Pion, Meson, Scintillation counter, Mass spectrum, General Physics and Astronomy
Published: 1975

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