Search for Very Light CP-Odd Higgs Boson in Radiative Decays of γ(1S)

被引：70

作者：

Love, W. ^{[1
]}

Savinov, V. ^{[1
]}

Mendez, H. ^{[2
]}

Ge, J. Y. ^{[3
]}

Miller, D. H. ^{[3
]}

Shipsey, I. P. J. ^{[3
]}

Xin, B. ^{[3
]}

Adams, G. S. ^{[4
]}

Anderson, M. ^{[4
]}

Cummings, J. P. ^{[4
]}

Danko, I. ^{[4
]}

Hu, D. ^{[4
]}

Moziak, B. ^{[4
]}

Napolitano, J. ^{[4
]}

He, Q. ^{[5
]}

Insler, J. ^{[5
]}

Muramatsu, H. ^{[5
]}

Park, C. S. ^{[5
]}

Thorndike, E. H. ^{[5
]}

Yang, F. ^{[5
]}

Artuso, M. ^{[6
]}

Blusk, S. ^{[6
]}

Khalil, S. ^{[6
]}

Li, J. ^{[6
]}

Mountain, R. ^{[6
]}

Nisar, S. ^{[6
]}

Randrianarivony, K. ^{[6
]}

Sultana, N. ^{[6
]}

Skwarnicki, T. ^{[6
]}

Stone, S. ^{[6
]}

Wang, J. C. ^{[6
]}

Zhang, L. M. ^{[6
]}

Bonvicini, G. ^{[7
]}

Cinabro, D. ^{[7
]}

Dubrovin, M. ^{[7
]}

Lincoln, A. ^{[7
]}

Naik, P. ^{[8
]}

Rademacker, J. ^{[8
]}

Asner, D. M. ^{[9
]}

Edwards, K. W. ^{[9
]}

Reed, J. ^{[9
]}

Briere, R. A. ^{[10
]}

Ferguson, T. ^{[10
]}

Tatishvili, G. ^{[10
]}

Vogel, H. ^{[10
]}

Watkins, M. E. ^{[10
]}

Rosner, J. L. ^{[11
]}

Alexander, J. P. ^{[12
]}

Cassel, D. G. ^{[12
]}

Duboscq, J. E. ^{[12
]}

机构：

[1] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[2] Univ Puerto Rico, Mayaguez, PR 00681 USA

[3] Purdue Univ, W Lafayette, IN 47907 USA

[4] Rensselaer Polytech Inst, Troy, NY 12180 USA

[5] Univ Rochester, Rochester, NY 14627 USA

[6] Syracuse Univ, Syracuse, NY 13244 USA

[7] Wayne State Univ, Detroit, MI 48202 USA

[8] Univ Bristol, Bristol BS8 1TL, Avon, England

[9] Carleton Univ, Ottawa, ON K1S 5B6, Canada

[10] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

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

[12] Cornell Univ, Ithaca, NY 14853 USA

[13] Univ Florida, Gainesville, FL 32611 USA

[14] George Mason Univ, Fairfax, VA 22030 USA

[15] Univ Illinois, Urbana, IL 61801 USA

[16] Indiana Univ, Bloomington, IN 47405 USA

[17] Univ Kansas, Lawrence, KS 66045 USA

[18] Luther Coll, Decorah, IA 52101 USA

[19] Univ Minnesota, Minneapolis, MN 55455 USA

[20] Northwestern Univ, Evanston, IL 60208 USA

[21] Univ Oxford, Oxford OX1 3RH, England

[22] SUNY Buffalo, Buffalo, NY 14260 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 15期

基金：

美国国家科学基金会; 英国科学技术设施理事会; 加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.101.151802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We search for a non-SM-like CP-odd Higgs boson (a(1)(0)) decaying to tau(+)tau(-) or mu(+)mu(-) in radiative decays of the Y(1S). No significant signal is found, and upper limits on the product branching ratios are set. Our tau(+)tau(-) results are almost 2 orders of magnitude more stringent than previous upper limits. Our data provide no evidence for a Higgs state with a mass of 214 MeV decaying to mu(+)mu(-), previously proposed as an explanation for 3 Sigma(+) -> p mu(+)mu(-) events observed by the HyperCP experiment. Our results constrain NMSSM models.

引用

页数：5

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