Study of (p)over-bar-p → two neutral pseudoscalar mesons at the χc0(13P0) formation energy -: art. no. 112002

被引：3

作者：

Andreotti, M ^{[1
]}

Bagnasco, S

Baldini, W

Bettoni, D

Borreani, G

Buzzo, A

Calabrese, R

Cester, R

Cibinetto, G

Dalpiaz, P

Garzoglio, G

Gollwitzer, K

Graham, M

Hu, M

Joffe, D

Kasper, J

Lasio, G

Vetere, ML

Luppi, E

Macrì, M

Mandelkern, M

Marchetto, F

Marinelli, M

Menichetti, E

Metreveli, Z

Mussa, R

Negrini, M

Obertino, MM

Pallavicini, M

Pastrone, N

Patrignani, C

Pedlar, TK

Pordes, S

Robutti, E

Roethel, W

Rosen, JL

Rumerio, P

Rusack, R

Santroni, A

Schultz, J

Seo, SH

Seth, KK

Stancari, G

Stancari, M

Tomaradze, A

Uman, I

Vidnovic, T

Werkema, S

Zweber, P

机构：

[1] Ist Nazl Fis Nucl, I-44100 Ferrara, Italy

[2] Univ Ferrara, I-44100 Ferrara, Italy

[3] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[4] Univ Genoa, I-16146 Genoa, Italy

[5] Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[6] Univ Calif Irvine, Irvine, CA 92697 USA

[7] Univ Minnesota, Minneapolis, MN 55455 USA

[8] Northwestern Univ, Evanston, IL 60208 USA

[9] Univ Turin, I-10125 Turin, Italy

[10] Ist Nazl Fis Nucl, I-10125 Turin, Italy

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 11期

关键词：

D O I：

10.1103/PhysRevD.72.112002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Fermilab experiment E835 has studied reactions (p) over barp ->pi(0)pi(0),pi(0)eta,eta eta, pi(0)eta(') and eta eta(') in the energy region of the chi(c0)(1(3)P(0)) from 3340 MeV to 3470 MeV. Interference between resonant and continuum production is observed in the pi(0)pi(0) and eta eta channels, and the product of the input and output branching fractions is measured. Limits on resonant production are set for the pi(0)eta and pi(0)eta(') channels. An indication of interference is observed in the eta eta(') channel. The technique for extracting resonance parameters in an environment dominated by continuum production is described.

引用

页数：14

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