Study of the ZZ gamma and Z gamma gamma couplings in Z(vv)gamma production

被引：48

作者：

Abachi, S

Abbott, B

Abolins, M

Acharya, BS

Adam, I

Adams, DL

Adams, M

Ahn, S

Aihara, H

Alves, GA

Amidi, E

Amos, N

Anderson, EW

Astur, R

Baarmand, MM

Baden, A

Balamurali, V

Balderston, J

Baldin, B

Banerjee, S

Bantly, J

Bartlett, JF

Bazizi, K

Belyaev, A

Beri, SB

Bertram, I

Bezzubov, VA

Bhat, PC

Bhatnagar, V

Bhattacharjee, M

Biswas, N

Blazey, G

Blessing, S

Bloom, P

Boehnlein, A

Bojko, NI

Borcherding, F

Borders, J

Boswell, C

Brandt, A

Brock, R

Bross, A

Buchholz, D

Burtovoi, VS

Butler, JM

Carvalho, W

Casey, D

CastillaValdez, H

Chakraborty, D

Chang, SM

机构：

[1] UNIV LOS ANDES,BOGOTA,COLOMBIA

[2] UNIV ARIZONA,TUCSON,AZ 85721

[3] BOSTON UNIV,BOSTON,MA 02215

[4] BROOKHAVEN NATL LAB,UPTON,NY 11973

[5] BROWN UNIV,PROVIDENCE,RI 02912

[6] UNIV BUENOS AIRES,BUENOS AIRES,DF,ARGENTINA

[7] UNIV CALIF DAVIS,DAVIS,CA 95616

[8] UNIV CALIF IRVINE,IRVINE,CA 92697

[9] UNIV CALIF RIVERSIDE,RIVERSIDE,CA 92521

[10] CTR BRASILEIRO PESQUISAS FIS,LAFEX,RIO JANEIRO,BRAZIL

[11] CTR INVEST & ESTUDIOS AVANZADOS,MEXICO CITY,DF,MEXICO

[12] COLUMBIA UNIV,NEW YORK,NY 10027

[13] UNIV DELHI,DELHI 110007,INDIA

[14] FLORIDA STATE UNIV,TALLAHASSEE,FL 32306

[15] UNIV HAWAII,HONOLULU,HI 96822

[16] UNIV ILLINOIS,CHICAGO,IL 60607

[17] INDIANA UNIV,BLOOMINGTON,IN 47405

[18] IOWA STATE UNIV,AMES,IA 50011

[19] KOREA UNIV,SEOUL 136701,SOUTH KOREA

[20] KYUNGSUNG UNIV,PUSAN 608736,SOUTH KOREA

[21] UNIV CALIF BERKELEY,BERKELEY,CA 94720

[22] LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[23] UNIV MARYLAND,COLLEGE PK,MD 20742

[24] UNIV MICHIGAN,ANN ARBOR,MI 48109

[25] MICHIGAN STATE UNIV,E LANSING,MI 48824

[26] MOSCOW MV LOMONOSOV STATE UNIV,MOSCOW,RUSSIA

[27] UNIV NEBRASKA,LINCOLN,NE 68588

[28] NYU,NEW YORK,NY 10003

[29] NORTHEASTERN UNIV,BOSTON,MA 02115

[30] NO ILLINOIS UNIV,DE KALB,IL 60115

[31] NORTHWESTERN UNIV,EVANSTON,IL 60208

[32] UNIV NOTRE DAME,NOTRE DAME,IN 46556

[33] UNIV OKLAHOMA,NORMAN,OK 73019

[34] PANJAB UNIV,CHANDIGARH 160014,INDIA

[35] INST HIGH ENERGY PHYS,PROTVINO 142284,RUSSIA

[36] PURDUE UNIV,W LAFAYETTE,IN 47907

[37] UNIV ESTADUAL RIO DE JANEIRO,RIO JANEIRO,BRAZIL

[38] UNIV ROCHESTER,ROCHESTER,NY 14627

[39] RICE UNIV,HOUSTON,TX 77005

[40] CTR ETUD SACLAY,CEA,DEPT ASTROPHYS PHYS PARTICULES PHYS NUCL & INSTRU,SERV PHYS PARTICULES,F-91191 GIF SUR YVETTE,FRANCE

[41] SEOUL NATL UNIV,SEOUL,SOUTH KOREA

[42] SUNY STONY BROOK,STONY BROOK,NY 11794

[43] TATA INST FUNDAMENTAL RES,MUMBAI 400005,INDIA

[44] UNIV TEXAS,ARLINGTON,TX 76019

[45] TEXAS A&M UNIV,COLLEGE STN,TX 77843

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.78.3640

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have measured the ZZ gamma and Z gamma gamma couplings by studying 13.1 pb(-1) of <p(p)over bar>-->E-t gamma+X data at root s=1.8 TeV with the D{empty set} detector at the Fermilab Tevatron Collider. This is the first study of hadronic Z(gamma) production in the neutrino decay channel. Combining this measurement with our previous results using Z-->ee and mu mu yields the most stringent 95% C.L. limits to date on anomalous couplings: /h(30)(Z)/ <0.4, /h(40)(Z)/ <0.06 (Lambda=750 GeV).

引用

页码：3640 / 3645

页数：6

共 18 条

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