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

页码：112002 / 1

页数：6

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