SPIN@U‐70: An Experiment to Measure the Analyzing Power An in Very‐high‐P⟂2P⟂2 p‐p Elastic Scattering at 70 GeV

Luppov, V. G.; Alexeeva, L. V.; Anferov, V. A.; Courant, E. D.; Derbenev, Ya. S.; Fidecaro, G.; Fidecaro, M.; Khiari, F. Z.; Koutin, S. V.; Krisch, A. D.; Leonova, M. A.; Lin, A. M. T.; Lorenzon, W.; Morozov, V. S.; Peaslee, D. C.; Peters, C. C.; Raymond, R. S.; Sivers, D. W.; Stewart, J. A.; Varzar, S. M.; Wong, V. K.; Yonehara, K.; Crabb, D. G.; Ado, Yu. M.; Afonin, A. G.; Belousov, V. I.; Chujko, B. V.; Davidenko, A. N.; Galyaev, N. A.; Garkusha, V. I.; Grishin, V. N.; Kachanov, V. A.; Kharlov, Yu. V.; Kotov, V. I.; Kusnetsov, A. V.; Medvedev, V. A.; Melnik, Yu. M.; Mochalov, V. V.; Mysnik, A. I.; Nurushev, S. B.; Prudkoglyad, A. F.; Semenov, P. A.; Solovianov, V. L.; Stepanov, V. P.; Teplyakov, V. A.; Troshin, S. M.; Ufimtsev, A. G.; Ukhanov, M. N.; Yakutin, A. E.; Zapolsky, V. N.; Zarucheisky, V. G.; Borisov, N. S.; Fimushkin, V. V.; Nikitin, V. A.; Nomokonov, P. V.; Rufanov, I. A.; Pilipenko, Yu. K.; Delheij, P. P. J.; van Oers, W. T. H.; Zelenski, A. N.

2003-07-30

Citation: Luppov, V. G.; Alexeeva, L. V.; Anferov, V. A.; Courant, E. D.; Derbenev, Ya. S.; Fidecaro, G.; Fidecaro, M.; Khiari, F. Z.; Koutin, S. V.; Krisch, A. D.; Leonova, M. A.; Lin, A. M. T.; Lorenzon, W.; Morozov, V. S.; Peaslee, D. C.; Peters, C. C.; Raymond, R. S.; Sivers, D. W.; Stewart, J. A.; Varzar, S. M.; Wong, V. K.; Yonehara, K.; Crabb, D. G.; Ado, Yu. M.; Afonin, A. G.; Belousov, V. I.; Chujko, B. V.; Davidenko, A. N.; Galyaev, N. A.; Garkusha, V. I.; Grishin, V. N.; Kachanov, V. A.; Kharlov, Yu. V.; Kotov, V. I.; Kusnetsov, A. V.; Medvedev, V. A.; Melnik, Yu. M.; Mochalov, V. V.; Mysnik, A. I.; Nurushev, S. B.; Prudkoglyad, A. F.; Semenov, P. A.; Solovianov, V. L.; Stepanov, V. P.; Teplyakov, V. A.; Troshin, S. M.; Ufimtsev, A. G.; Ukhanov, M. N.; Yakutin, A. E.; Zapolsky, V. N.; Zarucheisky, V. G.; Borisov, N. S.; Fimushkin, V. V.; Nikitin, V. A.; Nomokonov, P. V.; Rufanov, I. A.; Pilipenko, Yu. K.; Delheij, P. P. J.; van Oers, W. T. H.; Zelenski, A. N. (2003). "SPIN@U‐70: An Experiment to Measure the Analyzing Power An in Very‐high‐P⟂2P⟂2 p‐p Elastic Scattering at 70 GeV." AIP Conference Proceedings 675(1): 538-542.

Abstract: The SPIN@U‐70 experiment plans to measure the one‐spin analyzing power An for 70 GeV proton‐proton elastic scattering at large P⟂2P⟂2 values of 1 to 12 (GeV/c)2. The Michigan frozen NH3 polarized proton target (Solid PPT) should later be installed in the Channel 8 extracted beam‐line of the 70 GeV U‐70 accelerator in IHEP, Protvino. The forward‐scattered protons are detected by small scintillation counters placed at about 9 m from the PPT, while the recoil‐scattered protons are detected by a 35‐m‐long focusing magnetic spectrometer, with a 12 degree vertical bend, placed at 30 degrees to the beam. A tune‐up run for testing the beam and the spectrometer, using a polyethylene target, was carried out in April 2002 at IHEP. The layout and the results of the test run are presented. © 2003 American Institute of Physics

Other Identifiers: APCPCS-675-1

DOIs: 10.1063/1.1607193

Handle: http://hdl.handle.net/2027.42/87680

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