INVESTIGATION OF THE KSKL-PI(-) SYSTEM PRODUCED IN PI(-)P INTERACTIONS AT 40 GEV/C AND OBSERVATION OF THE DECAY MODE A(1)-]K(K)OVER-BAR

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作者：
BOLONKIN, BV
VLADIMIRSKII, VV
EROFEEVA, ON
KATINOV, YV
LISIN, VI
LUZIN, VN
MILLER, VV
NOZDRACHEV, VN
SOKOLOVSKII, VV
TARASOV, VE
机构：
来源：
PHYSICS OF ATOMIC NUCLEI | 1995年 / 58卷 / 09期
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O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The reaction pi(-)p --> KSKL pi(-)p is investigated by means of the B-meter ITEP spectrometer irradiated by 40-GeV/c pions from the Serpukhov accelerator. The integrated flux incident on the target is 8 x 10(10) pions. A partial-wave analysis of the KSKL pi(-) system is performed for statistics involving more than 8000 events. The number of required amplitudes is substantially reduced by detecting both K-S and K-L mesons. As the 1(+) wave is found to be dominant and amenable to the parameter-free Tornqvist description, the conclusion is drawn that the K (K) over bar* system is dominated by the a(1) meson at these energies.
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页码：1535 / 1541
页数：7
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