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Search for Hidden-Sector Bosons in B0 →k∗0μ+μ- Decays

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成果类型:
期刊论文
作者:
Aaij, R.*;Adeva, B.;Adinolfi, M.;Affolder, A.;Ajaltouni, Z.;...
通讯作者:
Aaij, R.
作者机构:
[Di Canto, A.; Popov, D.; Durante, P.; Matev, R.; Ferro-Luzzi, M.; Cardoso, L. A. Granado; Joram, C.; Tuning, N.; Altarelli, M. Pepe; Faerber, C.; Vidal, X. Cid; Baldini, W.; Barschel, C.; Karacson, M.; Charpentier, Ph.; Kenzie, M.; Marino, P.; Ruf, T.; He, J.; Poikela, T.; Forty, R.; Corti, G.; Schmidt, B.; Gaspar, C.; Otto, A.; Stahl, S.; Bettler, M. -O.; Linn, C.; Roiser, S.; Rauschmayr, N.; Barter, W.; Schopper, A.; Wyllie, K.; Langhans, B.; Mapelli, A.; Lacarrere, D.; Couturier, B.; Leflat, A.; Cattaneo, M.; Archilli, F.; Jost, B.; Koppenburg, P.; Dettori, F.; Khanji, B.; Tonelli, D.; Rihl, M.; Akiba, K. Carvalho; Lindner, R.; Dijkstra, H.; Schindler, H.; Haen, C.; Garcia, L. Castillo; Thomas, E.; Golutvin, A.; Johnson, D.; Collins, P.; Artamonov, A.; Jacobsson, R.; Neufeld, N.; Gligorov, V. V.; Schwemmer, R.; Buytaert, J.; Frei, C.; Aaij, R.; Mathe, Z.; D'Ambrosio, C.; Stagni, F.; Teubert, F.; Bondar, N.; Gys, T.; Sokoloff, M. D.; Wilkinson, G.; Closier, J.; Robbe, P.; Frank, M.; van Herwijnen, E.; Fiore, M.; Guz, Yu.; Panman, J.; Perez, D. Campora; Easo, S.; Karbach, T. M.; Clemencic, M.; Williams, M.; Schiller, M.; Benson, S.; Alessio, F.; Coco, V.; Sridharan, S.; Trisovic, A.] European Org Nucl Res CERN, Geneva, Switzerland.
[Gomes, A.; Osorio Rodrigues, B.; Bediaga, I.; Massafferri, A.; Rodrigues, A. B.; dos Reis, A. C.; De Miranda, J. M.; Ferreira Rodrigues, F.] CBPF, Rio De Janeiro, Brazil.
[Hicheur, A.; Otalora Goicochea, J. M.; Lopes, J. H.; Polycarpo, E.; Potterat, C.; Souza De Paula, B.; Akiba, K. Carvalho; Francisco, O.; Silva de Oliveira, L.; De Paula, L.; Nasteva, I.; Gandelman, M.; Amato, S.; Rangel, M. S.; Salustino Guimaraes, V.; Tostes, D. Martins; Vieira, D.] Univ Fed Rio de Janeiro, Rio de Janeiro, Brazil.
[Yang, Z.; Zhang, Y.; Zhong, L.; Jing, F.; An, L.; Zhang; Liu, X.] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China.
[Chefdeville, M.; Marchand, J. F.; Tisserand, V.; Decamp, D.; Ghez, Ph.; Qian, W.; Beaucourt, L.; Tournefier, E.; Pietrzyk, B.; Lees, J. -P.; T'Jampens, S.; Minard, M. -N.; Deleage, N.] Univ Savoie Mt Blanc, LAPP, CNRS, IN2P3, Annecy Le Vieux, France.
通讯机构:
[Aaij, R.] E
European Org Nucl Res CERN, Geneva, Switzerland.
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2015
卷:
115
期:
16
页码:
161802
基金类别:
CERN; national agency CAPES (Brazil); national agency CNPq (Brazil); national agency FAPERJ (Brazil); national agency FINEP (Brazil); NSFC (China)National Natural Science Foundation of China (NSFC); CNRS/IN2P3 (France)Centre National de la Recherche Scientifique (CNRS); DFG (Germany)German Research Foundation (DFG); HGF (Germany); MPG (Germany)Max Planck Society; INFN (Italy)Istituto Nazionale di Fisica Nucleare (INFN); FOM (Netherlands)FOM (The Netherlands)Netherlands Government; NWO (Netherlands)Netherlands Organization for Scientific Research (NWO)Netherlands Government; MNiSW (Poland)Ministry of Science and Higher Education, Poland; NCN (Poland); MEN/IFA (Romania); MinES (Russia); FANO (Russia); MinECo (Spain); SNSF (Switzerland)Swiss National Science Foundation (SNSF); SER (Switzerland); NASU (Ukraine); STFC (United Kingdom)UK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC); NSF (USA)National Science Foundation (NSF); IN2P3 (France); KIT (Germany); BMBF (Germany)Federal Ministry of Education & Research (BMBF); SURF (Netherlands); PIC (Spain); GridPP (United Kingdom); EPLANET (European Union); Marie Sklodowska-Curie Actions (European Union); ERC (European Union)European Research Council (ERC); Conseil general de Haute-Savoie (France)Region Auvergne-Rhone-Alpes; Labex ENIGMASS (France); OCEVU (France); Region Auvergne (France)Region Auvergne-Rhone-Alpes; RFBR (Russia)Russian Foundation for Basic Research (RFBR); XuntaGal (Spain); GENCAT (Spain); Royal Commission (United Kingdom); Royal Society (United Kingdom)Royal Society of London; Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [ST/N000447/1, ST/K001310/1, 1096173, ST/L006146/1, 1299204, ST/L003163/1, ST/M000729/1, ST/H006737/1, ST/M001407/1, 1564711, ST/M001474/1, ST/K003534/1 GRIDPP, ST/K003410/1, PP/E000355/1, GRIDPP, ST/K001302/1, ST/K001310/1 LHCb Upgrades, ST/L00352X/1, 1415632, 1416165, 1511824, LHCb, ST/L001195/1, ST/K00140X/1, 1565032, 1369397, ST/I003576/1, ST/K004646/1, ST/L003538/1, ST/I000097/1, ST/K000705/1, 1364044, ST/L003392/1, ST/J50094X/1, ST/K003534/1, ST/K00137X/1, ST/H00100X/2, ST/L003112/1, ST/K001310/1 ATLAS Upgrades, 1565116, PP/E003095/1, 1208164, ST/J004855/1, ST/M004791/1 GRIDPP, ST/M000761/1, ST/L003163/1 LHCb Upgrades, ST/H00100X/1, ST/K001256/1, ST/K001604/1, ST/K001310/1 LHCb, ST/J005495/1, ST/M004791/1, ST/M004058/1, LHCb Upgrades, ST/K001310/1 ATLAS, ST/J004332/1, 1514623, ST/K001418/1, ST/N000250/1] Funding Source: researchfish; Direct For Mathematical & Physical ScienNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [1505719] Funding Source: National Science Foundation; Division Of PhysicsNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [1205805] Funding Source: National Science Foundation
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
心理学院
摘要:
A search is presented for hidden-sector bosons, χ, produced in the decay B0→K∗(892)0χ, with K∗(892)0→K+π- and χ→μ+μ-. The search is performed using pp-collision data corresponding to 3.0fb-1 collected with the LHCb detector. No significant signal is observed in the accessible mass range 214≤m(χ)≤4350MeV, and upper limits are placed on the branching fraction product B(B0→K∗(892)0χ)×B(χ→μ+μ-) as a function of the mass and lifetime of the χ boson. These limits are of the order of 10-9 for χ lifetimes less than 100 ps over m...

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