Photon transitions in ψ(2S) decays to χcJ(1P) and ηc(1S) -: art. no. 112002

被引：49
|
作者：
Athar, SB [1 ]
Avery, P
Breva-Newell, L
Patel, R
Potlia, V
Stoeck, H
Yelton, J
Rubin, P
Cawlfield, C
Eisenstein, BI
Gollin, GD
Karliner, I
Kim, D
Lowrey, N
Naik, P
Sedlack, C
Selen, M
Thaler, JJ
Williams, J
Wiss, J
Edwards, KW
Besson, D
Gao, KY
Gong, DT
Kubota, Y
Lang, BW
Li, SZ
Poling, R
Scott, AW
Smith, A
Stepaniak, CJ
Urheim, J
Metreveli, Z
Seth, KK
Tomaradze, A
Zweber, P
Ernst, J
Mahmood, AH
Severini, H
Asner, DM
Dytman, SA
Mehrabyan, S
Mueller, JA
Savinov, V
Li, Z
Lopez, A
Mendez, H
Ramirez, J
Huang, GS
Miller, DH
机构：
[1] Univ Florida, Gainesville, FL 32611 USA
[2] George Mason Univ, Fairfax, VA 22030 USA
[3] Univ Illinois, Urbana, IL 61801 USA
[4] Carleton Univ, Ottawa, ON K1S 5B6, Canada
[5] Inst Particle Phys, Ottawa, ON, Canada
[6] Univ Kansas, Lawrence, KS 66045 USA
[7] Univ Minnesota, Minneapolis, MN 55455 USA
[8] Northwestern Univ, Evanston, IL 60208 USA
[9] SUNY Albany, Albany, NY 12222 USA
[10] Univ Oklahoma, Norman, OK 73019 USA
[11] Univ Pittsburgh, Pittsburgh, PA 15260 USA
[12] Univ Puerto Rico, Mayaguez, PR 00681 USA
[13] Purdue Univ, W Lafayette, IN 47907 USA
[14] Rensselaer Polytech Inst, Troy, NY 12180 USA
[15] Univ Rochester, Rochester, NY 14627 USA
[16] So Methodist Univ, Dallas, TX 75275 USA
[17] Syracuse Univ, Syracuse, NY 13244 USA
[18] Wayne State Univ, Detroit, MI 48202 USA
[19] Cornell Univ, Ithaca, NY 14853 USA
来源：
PHYSICAL REVIEW D | 2004年 / 70卷 / 11期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevD.70.112002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have studied the inclusive photon spectrum in psi(2S) decays using the CLEO III detector. We present the most precise measurements of electric dipole (E1) photon transition rates for psi(2S)-->gammachi(cJ)(1P) (J=0,1,2). We also confirm the hindered magnetic dipole (M1) transition, psi(2S)-->gammaeta(c)(1S). However, the direct M1 transition psi(2S)-->gammaeta(c)(2S) observed by the Crystal Ball as a narrow peak at a photon energy of 91 MeV is not found in our data.
引用
收藏
页码：112002 / 1
页数：6
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