Search for the rare decay K+→π+γ -: art. no. 052009

被引：6

作者：

Adler, S ^{[1
]}

Aoki, M

Ardebili, M

Atiya, MS

Bazarko, AO

Bergbusch, PC

Blackmore, EW

Bryman, DA

Chiang, IH

Convery, MR

Diwan, MV

Frank, JS

Haggerty, JS

Inagaki, T

Ito, MM

Janin, V

Kabe, S

Kazumori, M

Kettell, SH

Kitching, P

Kobayashi, M

Komatsubara, TK

Konaka, A

Kuno, Y

Kuriki, M

Kycia, TF

Li, KK

Littenberg, LS

Macdonald, JA

McPherson, RA

Meyers, PD

Mildenberger, J

Miyajima, M

Muramatsu, N

Nakano, T

Ng, C

Nishide, J

Numao, T

Otomo, A

Poutissou, JM

Poutissou, R

Redlinger, G

Sasaki, T

Sato, T

Shinkawa, T

Shoemaker, FC

Soluk, R

Stone, JR

Strand, RC

Sugimoto, S

机构：

[1] Brookhaven Natl Lab, Upton, NY 11973 USA

[2] Univ Fukui, Dept Appl Phys, Fukui 9108507, Japan

[3] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan

[4] Osaka Univ, RCNP, Osaka 5670047, Japan

[5] Princeton Univ, Joseph Henry Labs, Princeton, NJ 08544 USA

[6] TRIUMF, Vancouver, BC V6T 2A3, Canada

[7] Univ Alberta, Ctr Subatom Res, Edmonton, AB T6G 2N5, Canada

[8] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

[9] Univ Tokyo, Grad Sch Sci, Tokyo 1130033, Japan

[10] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA

来源：

PHYSICAL REVIEW D | 2002年 / 65卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.65.052009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have performed a search for the angular-momentum forbidden decay K+ --> pi(+) gamma with the E787 detector at BNL. No events were observed in the pi(+) kinematic region around 227 MeV/c. An upper limit on the branching ratio for the decay is determined to be 3.6 x 10(-7) at 90% confidence level.

引用

页数：7

共 31 条

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