Search for Darkonium in e+ e- Collisions

被引：2

作者：

Lees, J. P. ^{[1
]}

Poireau, V ^{[1
]}

Tisserand, V ^{[1
]}

Grauges, E. ^{[2
]}

Palano, A. ^{[3
]}

Eigen, G. ^{[4
]}

Brown, D. N. ^{[5
,6
,35
]}

Kolomensky, Yu G. ^{[5
,6
]}

Fritsch, M. ^{[7
]}

Koch, H. ^{[7
]}

Schroeder, T. ^{[7
]}

Cheaib, R. ^{[9
]}

Hearty, C. ^{[8
,9
]}

Mattison, T. S. ^{[9
]}

McKenna, J. A. ^{[9
]}

So, R. Y. ^{[9
]}

Blinov, V. E. ^{[10
,11
,12
]}

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

Druzhinin, V. P. ^{[10
,11
]}

Golubev, V. B. ^{[10
,11
]}

Kozyrev, E. A. ^{[10
,11
]}

Kravchenko, E. A. ^{[10
,11
]}

Onuchin, A. P. ^{[10
,11
,12
]}

Serednyakov, S., I ^{[10
,11
]}

Skovpen, Yu, I ^{[10
,11
]}

Solodov, E. P. ^{[10
,11
]}

Todyshev, K. Yu ^{[10
,11
]}

Lankford, A. J. ^{[13
]}

Dey, B. ^{[14
]}

Gary, J. W. ^{[14
]}

Long, O. ^{[14
]}

Eisner, A. M. ^{[15
]}

Lockman, W. S. ^{[15
]}

Vazquez, W. Panduro ^{[15
]}

Chao, D. S. ^{[16
]}

Cheng, C. H. ^{[16
]}

Echenard, B. ^{[16
]}

Flood, K. T. ^{[16
]}

Hitlin, D. G. ^{[16
]}

Kim, J. ^{[16
]}

Li, Y. ^{[16
]}

Lin, D. X. ^{[16
]}

Miyashita, T. S. ^{[16
]}

Ongmongkolkul, P. ^{[16
]}

Oyang, J. ^{[16
]}

Porter, F. C. ^{[16
]}

Rohrken, M. ^{[16
]}

Huard, Z. ^{[17
]}

Meadows, B. T. ^{[17
]}

Pushpawela, B. G. ^{[17
]}

机构：

[1] Univ Savoie, Lab Annecy le Vieux Phys Particules LAPP, CNRS IN2P3, F-74941 Annecy Le Vieux, France

[2] Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain

[3] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

[4] Univ Bergen, Inst Phys, N-5007 Bergen, Norway

[5] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[6] Univ Calif Berkeley, Berkeley, CA 94720 USA

[7] Ruhr Univ Bochum, D-44780 Bochum, Germany

[8] Inst Particle Phys, Vancouver, BC V6T 1Z1, Canada

[9] Univ British Columbia, Columbia, BC V6T 1Z1, Canada

[10] Budker Inst Nucl Phys SB RAS, Novosibirsk 630090, Russia

[11] Novosibirsk State Univ, Novosibirsk 630090, Russia

[12] Novosibirsk State Tech Univ, Novosibirsk 630092, Russia

[13] Univ Calif Irvine, Irvine, CA 92697 USA

[14] Univ Calif Riverside, Riverside, CA 92521 USA

[15] Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA

[16] CALTECH, Pasadena, CA 91125 USA

[17] Univ Cincinnati, Cincinnati, OH 45221 USA

[18] Univ Colorado, Boulder, CO 80309 USA

[19] Ecole Polytech, CNRS IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

[20] Ist Nazl Fis Nucl, Sez Ferrara, I-44122 Ferrara, Italy

[21] Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, Italy

[22] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[23] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[24] Harvey Mudd Coll, Claremont, CA 91711 USA

[25] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[26] Indian Inst Technol Guwahati, Gauhati 781039, Assam, India

[27] Univ Iowa, Iowa City, IA 52242 USA

[28] Iowa State Univ, Ames, IA 50011 USA

[29] Johns Hopkins Univ, Baltimore, MD 21218 USA

[30] Univ Paris Saclay, IJCLab, CNRS IN2P3, F-91405 Orsay, France

[31] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[32] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England

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

[34] Univ London, Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England

[35] Univ Louisville, Louisville, KY 40292 USA

[36] Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany

[37] Univ Manchester, Manchester M13 9PL, Lancs, England

[38] Univ Maryland, College Pk, MD 20742 USA

[39] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA

[40] Inst Particle Phys, Montreal, PQ H3A 2T8, Canada

[41] McGill Univ, Montreal, PQ H3A 2T8, Canada

[42] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy

[43] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[44] Univ Mississippi, University, MS 38677 USA

[45] Univ Montreal, Phys Particules, Montreal, PQ H3C 3J7, Canada

[46] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy

[47] Univ Napoli Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy

[48] Natl Inst Nucl Phys & High Energy Phys, NIKHEF, NL-1009 DB Amsterdam, Netherlands

[49] Univ Notre Dame, Notre Dame, IN 46556 USA

[50] Ohio State Univ, Columbus, OH 43210 USA

来源：

PHYSICAL REVIEW LETTERS | 2022年 / 128卷 / 02期

基金：

英国科学技术设施理事会;

关键词：

BABAR DETECTOR; BEAM; LIMITS;

D O I：

10.1103/PhysRevLett.128.021802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dark sector structures unexplored. In particular, the existence of dark matter bound states (darkonia) remains to be investigated. This possibility could arise in a simple model in which a dark photon (A') is light enough to generate an attractive force between dark fermions. We report herein a search for a J(PC) = 1(--) darkonium state, the Upsilon(D), produced in the reaction e(+) e(-) -> gamma Upsilon(D), Upsilon(D) -> A'A'A', where the dark photons subsequently decay into pairs of leptons or pions, using 514 fb(-1) of data collected with the BABAR detector. No significant signal is observed, and we set bounds on the gamma - A' kinetic mixing as a function of the dark sector coupling constant for 0.001 < m(A)' < 3.16 GeV and 0.05 < m(Upsilon D) < 9.5 GeV.

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页数：7

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