Asymmetry measurement in the elastic pion-proton scattering at 1.94 and 2.07 GeV/c

被引：0
|
作者：
Alekseev, I. G. [1 ]
Bazhanov, N. A. [2 ]
Beloglazov, Yu. A. [3 ]
Budkovsky, P. E. [1 ]
Bunyatova, E. I. [2 ]
Fillmonov, E. A. [3 ]
Kanavets, V. P. [1 ]
Koroleva, L. I. [1 ]
Kovalev, A. I. [3 ]
Kruglov, S. R. [3 ]
Morozov, B. V. [1 ]
Nesterov, V. M. [1 ]
Novinsky, D. V. [3 ]
Ryltsov, V. V. [1 ]
Shchedrov, V. A. [3 ]
Sulimov, A. D. [1 ]
Sumachev, V. V. [3 ]
Svirida, D. N. [1 ]
Trautman, V. Yu. [3 ]
Zhurkin, V. V. [1 ]
Zolin, L. S. [2 ]
机构：
[1] Inst Theoret & Expt Phys, 25 B Cheremushkinskaya, Moscow 117218, Russia
[2] Joint Inst Nucl Res, Dubna 141980, Russia
[3] Leningrad Nucl Phys Inst, St Petersburg 188350, Russia
来源：
PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM | 2007年 / 915卷
关键词：
asymmetry; elastic scattering; resonance region;
D O I：
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Latest results by the ITEP-PNPI collaboration on the asymmetry in the pi(+)p elastic scattering are presented. The data were obtained for the first time in the region of backward angles with low cross section, where the predictions of the partial wave analyses are notreliable. The results at 1.94 GeV/c are in favor of the older KH80 analysis and show noticeable deviation from the latest FA06 solution by GWU group. At 2.07 GeV/c very low cross section did not allow to achieve good accuracy. Yet the data do not follow any of the PWA predictions and definitely disagree with SP06 analysis.
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页码：665 / +
页数：2
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