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13 results on '"C. A. Whitten"'

1. pp elastic scattering polarization transfer $K_{onno}$ and depolarization $D_{onon}$ between 1.94 and 2.80 GeV

Author

V.A. Kalinnikov, V. Ghazikhanian, Yu.M. Kazarinov, D. Rapin, Z. Janout, J.-L. Sans, F. Lehar, B. Vuaridel, J. Ball, P.-A. Chamouard, A. Boutefnouchet, D. Grosnick, A. de Lesquen, R.A. Kunne, C. E. Allgower, C. A. Whitten, A.A. Popov, I.L. Pisarev, A. N. Prokofiev, L.S. Barabash, Ph. Demierre, M. Beddo, Y. Bedfer, B.A. Khachaturov, V.N. Matafonov, Yu. A. Usov, V. V. Vikhrov, R. Hess, M. de Mali, H. M. Spinka, J. Bystrický, J.M. Fontaine, T.E. Kasprzyk, C. Lechanoine-Leluc, D. Lopiano, and A. A. Zhdanov

Subjects
Physics, Elastic scattering, Physics and Astronomy (miscellaneous), Proton, Scattering, Partial wave analysis, Phase (waves), Particle accelerator, Polarization (waves), law.invention, Nuclear physics, law, Atomic physics, Nuclear Experiment, Engineering (miscellaneous), Beam (structure)
Abstract

A polarized proton beam extracted from SATURNE II and the Saclay polarized proton target were used to measure the rescattering observables $K_{onno}$ and $D_{onon}$ at 26 energies from 1.94 to 2.80 GeV and at 0.80 GeV. The beam and target polarizations were oriented vertically and left-right as well as up-down asymmetries in the second scattering on carbon were measured. The present data, obtained in small energy steps, are practically constant as a function of energy at 90°CM, where $K_{onno} = D_{onon}$ . These data will bring about important modification to phase shifts and stabilize the solutions.

Published
1998

2. Spectator Nucleons in Pb+Pb Collisions at 158 A·GeV

Author

P. Csato, Siegfried Wenig, D. Irmscher, J. W. Harris, P. B. Cramer, F. Gabler, B. Lasiuk, J. Dunn, Christina Markert, I. Sakrejda, Panagiota Foka, C. Bormann, J. Gál, A. M. Poskanzer, V. Eckardt, F. Eckhardt, J. G. Cramer, R. A. Barton, Peter Graham Jones, Marek Gaździcki, S. Poziombka, Jozsef Molnar, A. Mock, P. Freund, G. Odyniec, T. Wienold, Torsten Henkel, A. Sandoval, J. Zimányi, G. Igo, Z. Fodor, V. Friese, M. I. Ferguson, Lee Stuart Barnby, X. Z. Zhu, E. Skrzypczak, Gunther Roland, S. Hegyi, Norbert Schmitz, Christof Roland, A. Piper, J. Grebieszkow, M. Toy, H. Hümmler, E. Schäfer, M. Fuchs, A. Yu. Semenov, S. J. Bailey, F. P. Brady, I. Huang, H. Appelshäuser, Andreas Petridis, L. A. Hill, C. O. Blyth, Rainer Arno Ernst Renfordt, M. Vassiliou, Andrzej Rybicki, T. Ullrich, S. Margetis, W. Rauch, L. Wood, Fuqiang Wang, Jeffrey G. Reid, G. L. Melkumov, N. Buncic, Dieter Røhrich, P. Seyboth, W. Retyk, F. Pühlhofer, S. White, J. Seyerlein, H. Sann, J. Sziklai, H. G. Ritter, R. Stock, G.E. Cooper, P. Chan, J. M. Nelson, Peter Levai, Kreso Kadija, I. Szentpetery, D. Flierl, T. A. Yates, Ferenc Sikler, Alexander Malakhov, D. Vranic, D. D. Weerasundara, Thomas A. Trainor, R. Brockmann, J. Bartke, S. Schönfelder, Gyorgy Vesztergombi, D. Schmischke, H. Rudolph, H. G. Fischer, Peter Martin Jacobs, H. Ströbele, Helena Bialkowska, Predrag Buncic, R. K. Bock, R. J. Porter, G. T. A. Squier, D. J. Prindle, G. Pálla, Marek Kowalski, C. A. Whitten, R. Zybert, E. Gladysz, D. Cebra, J. Günther, S. Trentalange, Apostolos Panagiotou, P. Gorodetsky, H. L. Caines, J. Bächler, and V. I. Kolesnikov

Subjects
Physics, Nuclear and High Energy Physics, Range (particle radiation), Particle physics, Large Hadron Collider, Nuclear Theory, Hadron, Nuclear physics, Deuterium, Nuclear fusion, Neutron, Impact parameter, Nuclear Experiment, Nucleon
Abstract

The composition of forward-going projectile spectator matter in fixed-target Pb+Pb collisions at 158 A · GeV at the CERN SPS has been studied as a function of centrality. The data were measured with the NA49 veto calorimeter. We observe that forward-going spectator matter in central collisions consists of 9 neutrons, 7 protons, and half a deuteron on average. At large impact parameters most spectator nucleons are bound in fragments. The relative resolution of the average impact parameter derived from the measurement of spectator neutrons is roughly 19% in the range from zero to half maximum impact parameters.

Published
1998

3. Preliminary results on Pb+Pb collisions from the Grid-TOF data analysed in Budapest

Author

S. Schönfelder, Gyorgy Vesztergombi, J. W. Harris, L. A. Hill, G. E. Cooper, M. A. Bloomer, I. Huang, L. Wood, V. Eckardt, X.-Z. Zhu, J. Dunn, J. Bächler, M. Vassiliou, B. Lasiuk, C. Bormann, D. Vranic, I. Derado, K. Runge, I. Szentpetery, A. M. Poskanzer, F. P. Brady, P. Seyboth, P. B. Cramer, Jozsef Molnar, M. I. Ferguson, R. Brockmann, J. G. Cramer, A. Piper, K. Kadija, S. Euler, S. Trentalange, Marek Gaździcki, W. Heck, P. Csato, D. Irmscher, G. Odyniec, H. Appelshäuser, R. Stock, H. G. Fischer, M. Toy, J. Grebieszkow, C. O. Blyth, N. Schmitz, Dieter Røhrich, Thomas A. Trainor, P. Chan, E. Skrzypczak, T. Wienold, Peter Levai, Panagiota Foka, F. Eckhardt, J. Gál, J. Zimányi, H. L. Caines, P. Jacobs, F. Pühlhofer, G. Igo, J. M. Nelson, H. G. Ritter, M. A. Howe, Z. Fodor, A. Petridis, Predrag Buncic, C. A. Whitten, T. Alber, P. Freund, G. Pálla, J. Gunther, E. Schäfer, J. Seyerlein, W. Rauch, H. Ströbele, Helena Bialkowska, H. Sann, R. Zybert, J. Bartke, D. J. Prindle, Marek Kowalski, H. Rudolph, E. Gladysz, F. Bieser, J. Sziklai, J. W. Mitchell, D. Cebra, Apostolos Panagiotou, A. Kühmichel, A. Sandoval, S. Hegyi, M. Fuchs, A. Mock, Siegfried Wenig, S. Margetis, W. Retyk, Ferenc Sikler, Peter Graham Jones, R. K. Bock, and R. Renfordt

Subjects
Condensed Matter::Quantum Gases, Physics, Nuclear and High Energy Physics, Large Hadron Collider, Physics::Instrumentation and Detectors, Nuclear Theory, Detector, Hadron, General Physics and Astronomy, Grid, Tracking (particle physics), Particle identification, Spectral line, Nuclear physics, High Energy Physics::Experiment, Nuclear Experiment, NA49 experiment
Abstract

The first results from the NA49 experiment, using a large acceptance tracking detector with particle identification, are presented which have been obtained from the recent Pb-ion run at the CERN SPS. Preliminary spectra of kaons and protons identified by the Grid-TOF detector as well as Bose-Einstein correlations are shown.

Published
1996

4. Total cross sections, elastic scattering observables and direct reconstruction of scattering matrix in np Interactions between 0.8 and 1.1 GeV at SATURNE II

Author

G. Gaillard, E. Rössle, Ph. Chesny, V. Ghazikhanian, J.-L. Sans, D. Rapin, J. Deregel, L. van Rossum, J. Ball, R. Peschina-Klett, R.A. Kunne, M. de Mali, D. Lopiano, F. Perrot-Kunne, R. Hess, C. A. Whitten, P. Chaumette, P. Bach, B.A. Khachaturov, C.D. Lac, J.M. Fontaine, R. Binz, Ph. Demierre, H. Schmitt, B. Vuaridel, Z. Janout, J. Bystricky, A. Klett, M. Combet, A. de Lesquen, L.S. Barabash, F. Lehar, J.P. Goudour, M. C. Lemaire, H. M. Spinka, Ph. Sormani, and Yu. A. Usov

Subjects
Physics, Elastic scattering, Proton, Scattering, Nuclear Theory, General Physics and Astronomy, Scattering length, Mott scattering, Small-angle neutron scattering, Nuclear physics, Cross section (physics), Physics::Accelerator Physics, Atomic physics, Nuclear Experiment, Beam (structure)
Abstract

Neutron-proton total cross section differences with the beam and target polarizations orientated either transversally or longitudinally with respect to the beam direction, as well as 11 spin dependent elastic scattering observables measured at SATURNE II as a function of energy and angle are presented. A major part of results was measured using the quasimonoenergetic polarized neutron beam and/or the polarized proton target. A small part of data was obtained using a polarized deuteron beam considered as a beam of quasifree neutrons and protons. The present paper represents a review of measured observables. Several sets of present data are compared with results obtained in other laboratories below 0.8 GeV. Imaginary parts of spin dependent forward amplitudes for np scattering and for the isospin stateI=0 were determined. First direct reconstruction of the np scattering matrix at 0.84 GeV is shown.

Published
1995

5. Open quiz solution: Case report 632

Author

M. Jones, C. G. Whitten, T. G. Abrahams, and H. J. Dorfman

Subjects
Osteochondroma, medicine.medical_specialty, business.industry, Radiography, Plain film, medicine.disease, Lesion, Distal femur, medicine.anatomical_structure, Orthopedic surgery, medicine, Hamartoma, Radiology, Nuclear Medicine and imaging, Radiology, Ankle, medicine.symptom, business
Abstract

The current case represents a patient with classic plain film findings of Trevor's disease (DEH) seen in the foot and ankle, who presented with a large, eccentric metaphyseal lesion in the ipsilateral distal femur. The radiographic and pathologic characteristics of this large metaphyseal lesion were considered atypical for a simple osteochondroma; therefore, we propose the term "parosteal osteochondromatous hamartoma" as a descriptive term that best fits its unique characteristics.

Published
1991

6. Case report 632

Author

M. Jones, C. G. Whitten, H. J. Dorfman, and T. G. Abrahams

Subjects
medicine.medical_specialty, business.industry, General surgery, Medicine, Radiology, Nuclear Medicine and imaging, business
Published
1990

7. Measurement of the spin correlationA ookk innp elastic scattering between 0.63 and 1.08 GeV

Author

V. Ghazikhanian, F. Lehar, J. Deregel, L. van Rossum, A. de Lesquen, P. Bach, F. Perrot, Ph. Sormani, E. Rössle, R. Peschina, R. Hess, J. Fabre, C.D. Lac, M. de Mali, D. Rapin, P. Chaumette, J.M. Fontaine, J. Ball, G. Gaillard, and C. A. Whitten

Subjects
Physics, Elastic scattering, Physics and Astronomy (miscellaneous), Proton, Elementary particle, Astrophysics::Cosmology and Extragalactic Astrophysics, Neutron radiation, Nuclear physics, Deuterium, High Energy Physics::Experiment, Neutron, Atomic physics, Nuclear Experiment, Spin (physics), Engineering (miscellaneous), Beam (structure)
Abstract

We present the measurements of the spin correlation parameterAookk(np). A longitudinally polarized beam of free neutrons obtained from the break-up of polarized deuterons was scattered on the longitudinally polarized Saclay frozen-spin proton target. Measurements were carried out at SATURNE II, at neutron beam kinetic energies of 0.63, 0.88, 0.98 and 1.08 GeV. The data points cover the angular region from about 40° to 110° CM. The observed angular dependence ofAookk(np) at 0.63 GeV agree with the phase shift analysis predictions except at small angles.

Published
1988

9. Adjustment of European Triangulation

Author

C. A. Whitten and M. Kneissl

Subjects
Triangulation (topology), Geophysics, Geochemistry and Petrology, Computers in Earth Sciences, Humanities, Mathematics
Abstract

Bei der Ausgleichung des Sudwest-Blockes und des Nordblockes der europaischen Triangulation war es nicht moglich, die Bowie-Methode anzuwenden, weil die Grundlinien und die Laplaceschen Punkte sich im allgemeinen nicht in den Knotennetzen zwischen Meridianund Parallelkreisketten befinden. Mit Rucksicht hierauf gibt es in dem Schema nur einige wenige Netzteile, die zunachst fur sich ausgeglichen werden konnten; in der Hauptsache mu\te fast der ganze Block in einem Gus ausgeglichen werden.

Published
1952

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