Two Higgs Doublet Model and model independent interpretation of neutral Higgs boson searches

被引：40

作者：

Abbiendi, G ^{[1
]}

Ackerstaff, K

Ainsley, C

Åkesson, PF

Alexander, G

Allison, J

Anderson, KJ

Arcelli, S

Asai, S

Ashby, SF

Axen, D

Azuelos, G

Bailey, I

Ball, AH

Barberio, E

Barlow, RJ

Baumann, S

Behnke, T

Bell, KW

Bella, G

Bellerive, A

Benelli, G

Bentvelsen, S

Bethke, S

Biebel, O

Bloodworth, IJ

Boeriu, O

Bock, P

Böhme, J

Bonacorsi, D

Boutemeur, M

Braibant, S

Bright-Thomas, P

Brigliadori, L

Brown, RM

Burckhart, HJ

Cammin, J

Capiluppi, P

Carnegie, RK

Carter, AA

Carter, JR

Chang, CY

Charlton, DG

Clarke, PEL

Clay, E

Cohen, I

Cooke, OC

Couchman, J

Couyoumtzelis, C

Coxe, RL

机构：

[1] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy

[2] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England

[3] Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[4] Univ Bonn, Inst Phys, D-53115 Bonn, Germany

[5] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA

[6] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[7] Carleton Univ, Ottawa Carleton Inst Phys, Dept Phys, Ottawa, ON K1S 5B6, Canada

[8] Carleton Univ, Ctr Res Particle Phys, Ottawa, ON K1S 5B6, Canada

[9] CERN, European Org Nucl Res, CH-1211 Geneva 23, Switzerland

[10] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[11] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[12] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany

[13] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[14] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[15] Queen Mary Univ London, London E1 4NS, England

[16] Tech Hsch Aachen, Inst Phys 3, D-52056 Aachen, Germany

[17] UCL, London WC1E 6BT, England

[18] Univ Manchester, Schuster Lab, Dept Phys, Manchester M13 9PL, Lancs, England

[19] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[20] Univ Montreal, Phys Nucl Lab, Montreal, PQ H3C 3J7, Canada

[21] Univ Oregon, Dept Phys, Eugene, OR 97403 USA

[22] CLRC, Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[23] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[24] Tel Aviv Univ, Dept Phys & Astron, IL-69978 Tel Aviv, Israel

[25] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo 1130033, Japan

[26] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[27] Kobe Univ, Kobe, Hyogo 6578501, Japan

[28] Weizmann Inst Sci, Particle Phys Dept, IL-76100 Rehovot, Israel

[29] Univ Hamburg, DESY, Inst Expt Phys, D-22607 Hamburg, Germany

[30] Univ Victoria, Dept Phys, Victoria, BC V8W 3P6, Canada

[31] Univ British Columbia, Dept Phys, Vancouver, BC V6T 1Z1, Canada

[32] Univ Alberta, Dept Phys, Edmonton, AB T6G 2J1, Canada

[33] Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary

[34] Inst Nucl Res, H-4001 Debrecen, Hungary

[35] Univ Munich, Sekt Phys, D-85748 Garching, Germany

[36] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

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

[38] Univ Min & Met Krakow, Krakow, Poland

[39] Univ Debrecen, Dept Expt Phys, Debrecen, Hungary

[40] Max Planck Inst, Munich, Germany

[41] Univ Calif Riverside, High Energy Phys Grp, Riverside, CA 92521 USA

[42] CERN, Div EP, CH-1211 Geneva 23, Switzerland

来源：

EUROPEAN PHYSICAL JOURNAL C | 2001年 / 18卷 / 03期

关键词：

D O I：

10.1007/s100520000544

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Searches for the neutral Higgs bosons h(0) and A(0) are used to obtain limits on the Type II Two Higgs Doublet Model (2HDM(II)) with no CP-violation in the Higgs sector and no additional particles besides the five Higgs bosons. The analysis combines approximately 170 pb(-1) of data collected with the OPAL detector at roots approximate to 189 GeV with previous runs at roots approximate to m(Z) and roots approximate to 183 GeV. The searches are sensitive to the h(0), A(0) --> q (q) over bar, gg. tau (+)tau (-) and h(0) --> A(0)A(0) decay modes of the Higgs bosons. For the first time, the 2HDM(II) parameter space is explored in a detailed scan, and new flavour independent analyses are applied to examine regions in which the neutral Higgs bosons decay predominantly into light quarks or gluons. Model-independent limits are also given.

引用

页码：425 / 445

页数：21

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