Search for associated production of massive states decaying into two photons in e+e- annihilations at √s-=88-209 GeV

被引:30
作者
Abbiendi, G [1 ]
Ainsley, C
Åkesson, PF
Alexander, G
Allison, J
Amaral, P
Anagnostou, G
Anderson, KJ
Arcelli, S
Asai, S
Axen, D
Azuelos, G
Bailey, I
Barberio, E
Barlow, RJ
Batley, RJ
Bechtle, P
Behnke, T
Bell, KW
Bell, PJ
Bella, G
Bellerive, A
Benelli, G
Bethke, S
Biebel, O
Bloodworth, IJ
Boeriu, O
Bock, P
Bonacorsi, D
Boutemeur, M
Braibant, S
Brigliadori, L
Brown, RM
Buesser, K
Burckhart, HJ
Cammin, J
Campana, S
Carnegie, RK
Caron, B
Carter, AA
Carter, JR
Chang, CY
Charlton, DG
Cohen, I
Csilling, A
Cuffiani, M
Dado, S
Dallavalle, GM
Dallison, S
De Roeck, A
机构
[1] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
[2] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy
[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] Cavendish Lab, Cambridge CB3 0HE, England
[7] Carleton Univ, Dept Phys, Ottawa Carleton Inst Phys, Ottawa, ON K1S 5B6, Canada
[8] CERN, European Org Nucl Res, CH-1211 Geneva 23, Switzerland
[9] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[10] Univ Chicago, Dept Phys, Chicago, IL 60637 USA
[11] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany
[12] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany
[13] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA
[14] Queen Mary Univ London, London E1 4NS, England
[15] Tech Hsch Aachen, Inst Phys 3, D-52056 Aachen, Germany
[16] UCL, London WC1E 6BT, England
[17] Univ Manchester, Schuster Lab, Dept Phys, Manchester M13 9PL, Lancs, England
[18] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[19] Univ Montreal, Phys Nucl Lab, Montreal, PQ H3C 3J7, Canada
[20] Univ Oregon, Dept Phys, Eugene, OR 97403 USA
[21] Rutherford Appleton Lab, CLRC, Didcot OX11 0QX, Oxon, England
[22] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel
[23] Tel Aviv Univ, Dept Phys & Astron, IL-69978 Tel Aviv, Israel
[24] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo 1130033, Japan
[25] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan
[26] Kobe Univ, Kobe, Hyogo 6578501, Japan
[27] Weizmann Inst Sci, Particle Phys Dept, IL-76100 Rehovot, Israel
[28] Univ Hamburg, DESY, Inst Phys Expt, D-22607 Hamburg, Germany
[29] Univ Victoria, Dept Phys, Victoria, BC V8W 3P6, Canada
[30] Univ British Columbia, Dept Phys, Vancouver, BC V6T 1Z1, Canada
[31] Univ Alberta, Dept Phys, Edmonton, AB T6G 2J1, Canada
[32] Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary
[33] Inst Nucl Res, H-4001 Debrecen, Hungary
[34] Univ Munich, Sekt Phys, D-85748 Garching, Germany
[35] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[36] Yale Univ, Dept Phys, New Haven, CT 06520 USA
[37] TRIUMF, Vancouver, BC V6T 2A3, Canada
[38] Univ Debrecen, Dept Expt Phys, Debrecen, Hungary
[39] MPI Munchen, Munich, Germany
[40] CERN, Div EP, CH-1211 Geneva 23, Switzerland
[41] Univ Instelling Antwerp, Dept Phys, B-2610 Antwerp, Belgium
基金
加拿大自然科学与工程研究理事会; 美国国家科学基金会; 以色列科学基金会; 日本学术振兴会;
关键词
D O I
10.1016/S0370-2693(02)02472-3
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A search is performed for production of short-lived particles in e(+)e(-) --> XY, with X --> gammagamma and Y --> f (f) over bar, for scalar X and scalar or vector Y. Model-independent limits in the range of 25-60 femtobarns are presented on a(e(+)e(-) --> XY) x B(X --> gammagamma) x B(Y --> f (f) over bar) for centre-of-mass energies in the range 205-207 GeV The data from all LEP centre-of-mass energies 88209 GeV are also interpreted in the context of fermiophobic Higgs boson models, for which a lower mass limit of 105.5 GeV is obtained for a "benchmark" fermiophobic Higgs boson. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:44 / 56
页数:13
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