Results on spin-parity analysis of (p)over-bar-p->pi(+)pi(-)pi(0) annihilation at rest from different density hydrogen targets.

被引:1
作者
Benedettini, A
Bertin, A
Bruschi, M
Capponi, M
Collamati, A
Damiani, C
DAntone, I
DeCastro, S
Dona, R
Ferretti, A
Galli, D
Giacobbe, B
Marconi, U
Massa, I
Piccinini, M
Poli, M
SempriniCesari, N
Spighi, R
Vecchi, S
Vezzani, A
Vigotti, F
Villa, M
Vitale, A
Zoccoli, A
Corradini, M
Donzella, A
Rizzini, EL
Venturelli, L
Zenoni, A
Cicalo, C
Masoni, A
Puddu, G
Serci, S
Temnikov, PP
Usai, G
Nomokonov, VP
Prakhov, SN
Rozhdestvensky, AM
Sapozhnikov, MG
Tretyak, VI
Gianotti, P
Guaraldo, C
Lanaro, A
Lucherini, V
Nichitiu, F
Petrascu, C
Rosca, A
Ableev, VG
Cavion, C
Gastaldi, U
机构
[1] IST NAZL FIS NUCL, SEZ BOLOGNA, I-40126 BOLOGNA, ITALY
[2] UNIV BRESCIA, DIP CHIM & FIS MAT, PAVIA, ITALY
[3] IST NAZL FIS NUCL, SEZ TORINO, I-27100 PAVIA, ITALY
[4] UNIV CAGLIARI, DIP SCI FISICHE, CAGLIARI, ITALY
[5] JOINT NUCL RES INST, DUBNA, RUSSIA
[6] IST NAZL FIS NUCL, LAB NAZL FRASCATI, I-00044 FRASCATI, ITALY
[7] IST NAZL FIS NUCL, LAB NAZL LEGNARO, I-35020 LEGNARO, ITALY
[8] UNIV PADUA, DIP FIS, PADUA, ITALY
[9] IST NAZL FIS NUCL, SEZ PADOVA, PADUA, ITALY
[10] UNIV PAVIA, DIP FIS NUCL & TEOR, I-27100 PAVIA, ITALY
[11] IST NAZL FIS NUCL, SEZ PAVIA, I-27100 PAVIA, ITALY
[12] UNIV TURIN, DIP FIS, TURIN, ITALY
[13] IST NAZL FIS NUCL, SEZ TORINO, I-10125 TURIN, ITALY
[14] POLITECN TORINO, TURIN, ITALY
[15] UNIV TRIESTE, IST FIS, TRIESTE, ITALY
[16] IST NAZL FIS NUCL, SEZ TRIESTE, TRIESTE, ITALY
[17] UNIV UDINE, IST FIS, I-33100 UDINE, ITALY
[18] UNIV FLORENCE, DIP ENERGET, FLORENCE, ITALY
关键词
D O I
10.1016/S0920-5632(97)00265-X
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The results of the spin-parity analysis of the annihilation reaction <(p)over bar p> --> pi(+)pi(-)pi(0) at rest are presented. For the first time data from liquid, NTP and low pressure hydrogen are fitted simultaneously. This technique allows to disentangle unambiguously the contributions of the different initial atomic states. The results concern the weights of the partial waves, masses and widths of the 0(++), 1(--) and 2(++) resonances produced in the annihilation.
引用
收藏
页码:146 / 153
页数:8
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