ENERGY SCAN FOR NARROW STATES IN E+E-ANNIHILATION AT CM ENERGIES BETWEEN 29.90 AND 31.46 GEV

被引：24

作者：

BRANDELIK, R

BRAUNSCHWEIG, W

GATHER, K

KADANSKY, V

LUBELSMEYER, K

MATTIG, P

MARTYN, HU

PEISE, G

RIMKUS, J

SANDER, HG

SCHMITZ, D

DRATZIG, ASV

TRINES, D

WALLRAFF, W

BOERNER, H

FISCHER, HM

HARTMANN, H

HILGER, E

HILLEN, W

KNOP, G

LEU, P

LOHR, B

WEDEMEYER, R

WERMES, N

WOLLSTADT, M

CASSEL, DG

HEYLAND, D

HULTSCHIG, H

JOOS, P

KOCH, W

KOEHLER, P

KOTZ, U

KOWALSKI, H

LADAGE, A

LUKE, D

LYNCH, HL

MIKENBERG, G

NOTZ, D

PYRLIK, J

RIETHMULLER, R

SCHLIWA, M

SODING, P

WIIK, BH

WOLF, G

FOHRMANN, R

HOLDER, M

POELZ, G

RINGEL, J

ROMER, O

RUSCH, R

机构：

[1] UNIV BONN,INST PHYS,D-5300 BONN 1,FED REP GER

[2] DESY,D-2000 HAMBURG 52,FED REP GER

[3] UNIV HAMBURG,INST EXPTL PHYS 2,D-2000 HAMBURG 13,FED REP GER

[4] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,DEPT PHYS,LONDON SW7 2AZ,ENGLAND

[5] UNIV OXFORD,DEPT NUCL PHYS,OXFORD,ENGLAND

[6] RUTHERFORD HIGH ENERGY LAB,CHILTON OX11 0QX,OXFORDSHIRE,ENGLAND

[7] WEIZMANN INST SCI,REHOVOT 76100,ISRAEL

[8] UNIV WISCONSIN,DEPT PHYS,MADISON,WI 53706

来源：

PHYSICS LETTERS B | 1979年 / 88卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(79)90145-X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A fine energy scan has been performed to search for narrow states in e+e- annihilation at c.m. energies between 29.90 and 31.46 GeV. No such state has been observed. The 90% confidence upper limit on the leptonic decay width times the hadronic decay branching ratio is ΓeeBh<1.6 keV. © 1979.

引用

页码：199 / 202

页数：4

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