Search for invisible Higgs boson decays in vector boson fusion at √s=13 TeV with the ATLAS detector

被引：53

作者：

Aaboud, M. ^{[54
,55
]}

Aad, G. ^{[153
]}

Abbott, B. ^{[182
]}

Abdinov, O. ^{[18
]}

Abeloos, B. ^{[186
]}

Abhayasinghe, D. K. ^{[144
]}

Abidi, S. H. ^{[229
]}

AbouZeid, O. S. ^{[61
]}

Abraham, N. L. ^{[216
]}

Abramowicz, H. ^{[222
]}

Abreu, H. ^{[221
]}

Abulaiti, Y. ^{[8
]}

Acharya, B. S. ^{[99
,100
,259
]}

Adachi, S. ^{[224
,225
]}

Adamczyk, L. ^{[130
]}

Adelman, J. ^{[175
]}

Adersberger, M. ^{[166
]}

Adiguzel, A. ^{[16
,270
]}

Adye, T. ^{[203
]}

Affolder, A. A. ^{[205
]}

Afik, Y. ^{[221
]}

Agheorghiesei, C. ^{[40
]}

Aguilar-Saavedra, J. A. ^{[194
,199
]}

Ahmadov, F. ^{[18
,123
]}

Aielli, G. ^{[114
,115
]}

Akatsuka, S. ^{[133
]}

Akesson, T. P. A. ^{[147
]}

Akilli, E. ^{[78
]}

Akimov, A., V ^{[162
]}

Alberghi, G. L. ^{[33
,34
]}

Albert, J. ^{[240
]}

Albicocco, P. ^{[74
,75
]}

Alconada Verzini, M. J. ^{[137
,138
]}

Alderweireldt, S. ^{[172
]}

Aleksa, M. ^{[57
]}

Aleksandrov, I. N. ^{[123
]}

Alexa, C. ^{[39
]}

Alexopoulos, T. ^{[12
]}

Alhroob, M. ^{[182
]}

Ali, B. ^{[201
]}

Alimonti, G. ^{[104
]}

Alison, J. ^{[58
]}

Alkire, S. P. ^{[208
]}

Allaire, C. ^{[186
]}

Allbrooke, B. M. M. ^{[216
]}

Allen, B. W. ^{[185
]}

Allport, P. P. ^{[31
]}

Aloisio, A. ^{[106
,107
]}

Alonso, A. ^{[61
]}

Alonso, F. ^{[137
,138
]}

机构：

[1] Univ Adelaide, Dept Phys, Adelaide, SA, Australia

[2] SUNY Albany, Dept Phys, Albany, NY 12222 USA

[3] Univ Alberta, Dept Phys, Edmonton, AB, Canada

[4] Ankara Univ, Dept Phys, Ankara, Turkey

[5] Istanbul Aydin Univ, Istanbul, Turkey

[6] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey

[7] Univ Grenoble Alpes, Univ Savoie Mt Blanc, IN2P3, CNRS,LAPP, Annecy, France

[8] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA

[9] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

[10] Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA

[11] Natl & Kapodistrian Univ Athens, Phys Dept, Athens, Greece

[12] Natl Tech Univ Athens, Phys Dept, Zografos, Greece

[13] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[14] Bahcesehir Univ, Fac Engn & Nat Sci, Istanbul, Turkey

[15] Istanbul Bilgi Univ, Fac Engn & Nat Sci, Istanbul, Turkey

[16] Bogazici Univ, Dept Phys, Istanbul, Turkey

[17] Gaziantep Univ, Dept Phys Engn, Gaziantep, Turkey

[18] Azerbaijan Acad Sci, Inst Phys, Baku, Azerbaijan

[19] Barcelona Inst Sci & Technol, Inst Fis Altes Energies, Barcelona, Spain

[20] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

[21] Tsinghua Univ, Phys Dept, Beijing, Peoples R China

[22] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China

[23] Univ Chinese Acad Sci, Beijing, Peoples R China

[24] Univ Belgrade, Inst Phys, Belgrade, Serbia

[25] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[26] Lawrence Berkeley Natl Lab, Phys Div, Berkeley, CA USA

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

[28] Humboldt Univ, Inst Phys, Berlin, Germany

[29] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland

[30] Univ Bern, Lab High Energy Phys, Bern, Switzerland

[31] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[32] Univ Antonio Narino, Ctr Invest, Bogota, Colombia

[33] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

[34] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy

[35] Univ Bonn, Phys Inst, Bonn, Germany

[36] Boston Univ, Dept Phys, 590 Commonwealth Ave, Boston, MA 02215 USA

[37] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA

[38] Transilvania Univ Brasov, Brasov, Romania

[39] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[40] Alexandru Ioan Cuza Univ, Dept Phys, Iasi, Romania

[41] Natl Inst Res & Dev Isotop & Mol Technol, Phys Dept, Cluj Napoca, Romania

[42] West Univ Timisoara, Timisoara, Romania

[43] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia

[44] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice, Slovakia

[45] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[46] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina

[47] Univ Cambridge, Cavendish Lab, Cambridge, England

[48] Univ Cape Town, Dept Phys, Cape Town, South Africa

[49] Univ Johannesburg, Dept Mech Engn Sci, Johannesburg, South Africa

[50] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa

来源：

PHYSICS LETTERS B | 2019年 / 793卷

基金：

加拿大自然科学与工程研究理事会; 巴西圣保罗研究基金会; 欧盟地平线“2020”;

关键词：

PARTICLE; LHC;

D O I：

10.1016/j.physletb.2019.04.024

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report a search for Higgs bosons that are produced via vector boson fusion and subsequently decay into invisible particles. The experimental signature is an energetic jet pair with invariant mass of O(1) TeVand O(100) GeVmissing transverse momentum. The analysis uses 36.1 fb(-1) of pp collision data at root s = 13 TeV recorded by the ATLAS detector at the LHC. In the signal region the 2252 observed events are consistent with the background estimation. Assuming a 125 GeV scalar particle with Standard Model cross sections, the upper limit on the branching fraction of the Higgs boson decay into invisible particles is 0.37 at 95% confidence level where 0.28 was expected. This limit is interpreted in Higgs portal models to set bounds on the wimp-nucleon scattering cross section. We also consider invisible decays of additional scalar bosons with masses up to 3 TeV for which the upper limits on the cross section times branching fraction are in the range of 0.3-1.7 pb. (C) 2019 The Author(s). Published by Elsevier B.V.

引用

页码：499 / 519

页数：21

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