Measurement of the CP-violating phase ϕs in the channel in proton-proton collisions at
more »
- Yerevan Phys. Inst.
- Vienna, OAW
- Vienna, OAW; TU Vienna
- Minsk, Inst. Nucl. Problems
- Antwerp U.
- Antwerp U.; Brussels U.
- Vrije U., Brussels
- Brussels U.
- Gent U.
- Gent U.; IRFU, Saclay
- Louvain U.
- Rio de Janeiro, CBPF
- Rio de Janeiro State U.
- Rio de Janeiro State U.; U. Campinas
- Rio de Janeiro State U.; Rio Grande do Sul U.
- Rio de Janeiro State U.; Pelotas U.
- Sao Paulo, IFT
- Sao Paulo, IFT; ABC Federal U.
- Sofiya, Inst. Nucl. Res.
- Sofiya U.
- BeiHang U.; Brussels U.
- BeiHang U.
- Tsinghua U., Beijing
- Beijing, Inst. High Energy Phys.
- Beijing, Inst. High Energy Phys.; Beijing, GUCAS
- Peking U.
- SYSU, Guangzhou
- Fudan U.; Brussels U.
- Zhejiang U.
- Andes U., Bogota
- Antioquia U.
- Split Tech. U.
- Split U.
- Boskovic Inst., Zagreb
- Boskovic Inst., Zagreb; Moscow, ITEP
- Cyprus U.
- Charles U.; Dubna, JINR
- Charles U.
- Quito, Escuela Politecnica Natl.
- San Francisco de Quito U.
- Cairo, Acad. Sci. Res. Tech.; Zewail City Sci. Technol., Giza; Helwan U.
- Cairo, Acad. Sci. Res. Tech.; Ain Shams U., Cairo
- Cairo, Acad. Sci. Res. Tech.; Zewail City Sci. Technol., Giza
- Fayoum U.
- NICPB, Tallinn
- Helsinki U.
- Helsinki Inst. of Phys.
- Lappeenranta U. Tech.
- IRFU, Saclay
- IRFU, Saclay; Purdue U.
- Ecole Polytechnique
- Strasbourg, IPHC; Haute Alsace U.
- Strasbourg, IPHC
- Lyon, IPN
- GTU, Tbilisi; Tbilisi State U.
- GTU, Tbilisi; Dubna, JINR
- Aachen, Tech. Hochsch.
- Aachen, Tech. Hochsch.; Erzincan U.
- Aachen, Tech. Hochsch.; CERN
- DESY
- DESY; Aachen, Tech. Hochsch.
- DESY; Hamburg U.
- DESY; Isfahan Tech. U.
- DESY; Brandenburg Tech. U.
- Hamburg U.
- KIT, Karlsruhe, EKP
- KIT, Karlsruhe, EKP; CERN
- KIT, Karlsruhe, EKP; Moscow State U.
- Democritos Nucl. Res. Ctr.
- Athens U.
- Natl. Tech. U., Athens
- Ioannina U.
- Eotvos U.; U. Debrecen, Inst. Phys.
- Eotvos U.
- Budapest, RMKI
- Budapest, RMKI; Debrecen, Inst. Nucl. Res.
- Budapest, RMKI; Eotvos U.
- Debrecen, Inst. Nucl. Res.
- Debrecen, Inst. Nucl. Res.; U. Debrecen, Inst. Phys.
- U. Debrecen, Inst. Phys.
- EKU KRC, Gyongyos
- Bangalore, Indian Inst. Sci.
- Bhubaneswar, NISER; Indian Inst. Tech., Bhubaneswar
- Bhubaneswar, NISER
- Bhubaneswar, NISER; Bhubaneswar, Inst. Phys.
- Panjab U.
- Delhi U.
- Saha Inst.
- Saha Inst.; Visva Bharati U.
- Indian Inst. Tech., Madras
- Bhabha Atomic Res. Ctr.
- TIFR, Mumbai, DHEP
- IISER, Pune
- Isfahan Tech. U.; DESY
- IPM, Tehran
- University Coll., Dublin
- INFN, Bari; Bari U.
- INFN, Bari
- INFN, Bari; Bari Polytechnic
- INFN, Bologna
- INFN, Bologna; Bologna U.
- INFN, Catania; Catania U.
- INFN, Catania
- INFN, Florence
- INFN, Florence; Florence U.
- Frascati
- INFN, Genoa; U. Genoa
- INFN, Genoa
- INFN, Milan Bicocca
- INFN, Milan Bicocca; Milan Bicocca U.
- INFN, Milan Bicocca; Milan Bicocca U.; CERN
- INFN, Naples
- INFN, Naples; Basilicata U., Potenza
- INFN, Naples; Naples U.
- INFN, Naples; Guglielmo Marconi U.; CERN
- INFN, Naples; CERN
- INFN, Padua
- INFN, Padua; Padua U.
- INFN, Pavia
- INFN, Pavia; Pavia U.
- INFN, Perugia; Perugia U.
- INFN, Perugia
- INFN, Pisa
- INFN, Pisa; Pisa, Scuola Normale Superiore
- INFN, Pisa; Pisa U.
- INFN, Rome
- INFN, Rome; Rome U.
- INFN, Turin; Turin U.
- INFN, Turin; Piemonte Orientale U., Novara
- INFN, Turin
- INFN, Trieste
- INFN, Trieste; Trieste U.
- CHEP, Taegu
- Chonnam Natl. U.
- Hanyang U.
- Korea U.
- Kyung Hee U.
- Sejong U.
- Seoul Natl. U.
- Seoul U.
- Yonsei U.
- Sungkyunkwan U.
- Riga Tech. U.
- Vilnius U.
- Malaya U.
- Sonora U.
- CINVESTAV, IPN
- CINVESTAV, IPN; Conacyt, Mexico
- Iberoamericana U.
- Puebla U., Inst. Fis.
- San Luis Potosi U.
- Montenegro U.; IRFU, Saclay
- Montenegro U.
- Auckland U.
- Canterbury U.
- Quaid-i-Azam U.
- AGH-UST, Cracow
- NCBJ, Swierk
- Warsaw U.
- Warsaw U.; Warsaw U. of Tech.
- LIP, Lisbon
- Dubna, JINR
- Dubna, JINR; Moscow Phys. Eng. Inst.
- St. Petersburg, INP
- St. Petersburg, INP; St. Petersburg Polytechnic Inst.
- St. Petersburg, INP; Florida U.
- Moscow, INR
- Moscow, ITEP
- Moscow, ITEP; Imperial Coll., London
- Moscow, MIPT
- Moscow Phys. Eng. Inst.
- Moscow Phys. Eng. Inst.; Lebedev Inst.
- Lebedev Inst.
- Moscow State U.
- Moscow State U.; Caltech
- Novosibirsk State U.; Novosibirsk, IYF
- Serpukhov, IHEP
- Tomsk Polytechnic U.
- Tomsk State U.
- VINCA Inst. Nucl. Sci., Belgrade; Belgrade U.
- VINCA Inst. Nucl. Sci., Belgrade
- Madrid, CIEMAT
- Madrid, Autonoma U.
- Oviedo U.
- Cantabria Inst. of Phys.
- Cantabria Inst. of Phys.; Siena U.
- Colombo U.
- Ruhuna U.
- CERN
- CERN; INFN, Pavia
- CERN; Athens U.
- PSI, Villigen; Zurich U.
- PSI, Villigen
- Zurich, ETH
- Zurich U.; Stefan Meyer Inst. Subatomare Phys.
- Zurich U.
- Taiwan, Natl. Central U.; Annecy, LAPP
- Taiwan, Natl. Central U.
- Taiwan, Natl. Central U.; Visva Bharati U.
- Taiwan, Natl. Taiwan U.
- Chulalongkorn U.
- Cukurova U.
- Cukurova U.; Tsinghua U., Beijing
- Cukurova U.; Beykent U.
- Cukurova U.; Istanbul Aydin U.
- Cukurova U.; Mersin U.
- Cukurova U.; Piri Reis U., Istanbul
- Cukurova U.; Adiyaman U.
- Middle East Tech. U., Ankara; Ozyegin U.
- Middle East Tech. U., Ankara; Izmir Inst. Tech.
- Middle East Tech. U., Ankara; Necmettin Erbakan U., Konya
- Middle East Tech. U., Ankara
- Bogazici U.
- Bogazici U.; Marmara U.
- Bogazici U.; Kafkas U.
- Bogazici U.; Istanbul Bilgi U.
- Istanbul, Tech. U.
- Istanbul, Tech. U.; Hacettepe U.
- Istanbul U.
- Istanbul U.; Adiyaman U.
- Inst. Scintill. Mat., Kharkiv
- Kharkov, KIPT
- Bristol U.
- Bristol U.; Vrije U., Brussels
- Rutherford
- Rutherford; Southampton U.
- Imperial Coll., London
- Imperial Coll., London; Monash U.
- Imperial Coll., London; CERN
- Brunel U.
- Baylor U.
- Catholic U. America
- Alabama U.
- Boston U.
- Brown U.
- Brown U.; Aachen, Tech. Hochsch.
- Brown U.; Bethel Coll.
- Brown U.; Karamanoglu Mehmetbey U., Karaman
- UC, Davis
- UCLA
- UC, Riverside
- UC, San Diego
- UC, Santa Barbara
- Caltech
- Carnegie Mellon U.
- Colorado U.
- Cornell U.
- Fermilab
- Fermilab; Caltech
- Florida U.
- Florida Intl. U.
- Florida State U.
- Florida Inst. Tech.
- Florida Inst. Tech.; Ain Shams U., Cairo
- Illinois U., Chicago
- Iowa U.
- Iowa U.; Beykent U.
- Iowa U.; Bingöl U.
- Iowa U.; GTU, Tbilisi
- Iowa U.; Sinop U.
- Iowa U.; Mimar Sinan U.
- Johns Hopkins U.
- Kansas U.
- Kansas State U.
- LLNL, Livermore
- Maryland U.
- MIT
- Minnesota U.
- Mississippi U.
- Nebraska U.
- SUNY, Buffalo
- Northeastern U.
- Northwestern U.
- Notre Dame U.
- Notre Dame U.; Dubna, JINR
- Ohio State U.
- Princeton U.
- Puerto Rico U., Mayaguez
- Purdue U.
- Purdue U., Calumet
- Rice U.
- Rochester U.
- Rutgers U., Piscataway
- Rutgers U., Piscataway; Brandenburg Tech. U.
- Tennessee U.
- Texas A-M; Texas A&M U. Qatar, Doha
- Texas A-M
- Texas A-M; CHEP, Taegu
- Texas Tech.
- Vanderbilt U.
- Virginia U.
- Wayne State U.
- Wisconsin U., Madison
The CP -violating weak phase and the decay width difference between the light and heavy mass eigenstates are measured with the CMS detector at the LHC in a sample of reconstructed events. The measurement is based on a data sample corresponding to an integrated luminosity of , collected in proton-proton collisions at in 2017–2018. To extract the values of and , a time-dependent and flavor-tagged angular analysis of the final state is performed. The analysis employs a dedicated tagging trigger and a novel opposite-side muon flavor tagger based on machine learning techniques. The measurement yields and , in agreement with the standard model predictions. When combined with the previous CMS measurement at , the following values are obtained: , , a significant improvement over the 8 TeV result.
- Research Organization:
- ABC Federal U.; AGH-UST, Cracow; Aachen, Tech. Hochsch.; Adiyaman U.; Ain Shams U., Cairo; Alabama U.; Andes U., Bogota; Annecy, LAPP; Antioquia U.; Antwerp U.; Athens U.; Auckland U.; Bangalore, Indian Inst. Sci.; Bari Polytechnic; Bari U.; Basilicata U., Potenza; Baylor U.; BeiHang U.; Beijing, GUCAS; Beijing, Inst. High Energy Phys.; Belgrade U.; Bethel Coll.; Beykent U.; Bhabha Atomic Res. Ctr.; Bhubaneswar, Inst. Phys.; Bhubaneswar, NISER; Bingöl U.; Bogazici U.; Bologna U.; Boskovic Inst., Zagreb; Boston U.; Brandenburg Tech. U.; Bristol U.; Brown U.; Brunel U.; Brussels U.; Budapest, RMKI; CERN; CHEP, Taegu; CINVESTAV, IPN; Cairo, Acad. Sci. Res. Tech.; Caltech; Cantabria Inst. of Phys.; Canterbury U.; Carnegie Mellon U.; Catania U.; Catholic U. America; Charles U.; Chonnam Natl. U.; Chulalongkorn U.; Colombo U.; Colorado U.; Conacyt, Mexico; Cornell U.; Cukurova U.; Cyprus U.; DESY; Debrecen, Inst. Nucl. Res.; Delhi U.; Democritos Nucl. Res. Ctr.; Dubna, JINR; EKU KRC, Gyongyos; Ecole Polytechnique; Eotvos U.; Erzincan U.; Fayoum U.; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Florence U.; Florida Inst. Tech.; Florida Intl. U.; Florida State U.; Florida U.; Frascati; Fudan U.; GTU, Tbilisi; Gent U.; Guglielmo Marconi U.; Hacettepe U.; Hamburg U.; Hanyang U.; Haute Alsace U.; Helsinki Inst. of Phys.; Helsinki U.; Helwan U.; IISER, Pune; INFN, Bari; INFN, Bologna; INFN, Catania; INFN, Florence; INFN, Genoa; INFN, Milan Bicocca; INFN, Naples; INFN, Padua; INFN, Pavia; INFN, Perugia; INFN, Pisa; INFN, Rome; INFN, Trieste; INFN, Turin; IPM, Tehran; IRFU, Saclay; Iberoamericana U.; Illinois U., Chicago; Imperial Coll., London; Indian Inst. Tech., Bhubaneswar; Indian Inst. Tech., Madras; Inst. Scintill. Mat., Kharkiv; Ioannina U.; Iowa U.; Isfahan Tech. U.; Istanbul Aydin U.; Istanbul Bilgi U.; Istanbul U.; Istanbul, Tech. U.; Izmir Inst. Tech.; Johns Hopkins U.; KIT, Karlsruhe, EKP; Kafkas U.; Kansas State U.; Kansas U.; Karamanoglu Mehmetbey U., Karaman; Kharkov, KIPT; Korea U.; Kyung Hee U.; LIP, Lisbon; Lappeenranta U. Tech.; Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Lebedev Inst.; Louvain U.; Lyon, IPN; MIT; Madrid, Autonoma U.; Madrid, CIEMAT; Malaya U.; Marmara U.; Maryland U.; Mersin U.; Middle East Tech. U., Ankara; Milan Bicocca U.; Mimar Sinan U.; Minnesota U.; Minsk, Inst. Nucl. Problems; Mississippi U.; Monash U.; Montenegro U.; Moscow Phys. Eng. Inst.; Moscow State U.; Moscow, INR; Moscow, ITEP; Moscow, MIPT; NCBJ, Swierk; NICPB, Tallinn; Naples U.; Natl. Tech. U., Athens; Nebraska U.; Necmettin Erbakan U., Konya; Northeastern U.; Northwestern U.; Notre Dame U.; Novosibirsk State U.; Novosibirsk, IYF; Ohio State U.; Oviedo U.; Ozyegin U.; PSI, Villigen; Padua U.; Panjab U.; Pavia U.; Peking U.; Pelotas U.; Perugia U.; Piemonte Orientale U., Novara; Piri Reis U., Istanbul; Pisa U.; Pisa, Scuola Normale Superiore; Princeton U.; Puebla U., Inst. Fis.; Puerto Rico U., Mayaguez; Purdue U.; Purdue U., Calumet; Quaid-i-Azam U.; Quito, Escuela Politecnica Natl.; Rice U.; Riga Tech. U.; Rio Grande do Sul U.; Rio de Janeiro State U.; Rio de Janeiro, CBPF; Rochester U.; Rome U.; Ruhuna U.; Rutgers U., Piscataway; Rutherford; SUNY, Buffalo; SYSU, Guangzhou; Saha Inst.; San Francisco de Quito U.; San Luis Potosi U.; Sao Paulo, IFT; Sejong U.; Seoul Natl. U.; Seoul U.; Serpukhov, IHEP; Siena U.; Sinop U.; Sofiya U.; Sofiya, Inst. Nucl. Res.; Sonora U.; Southampton U.; Split Tech. U.; Split U.; St. Petersburg Polytechnic Inst.; St. Petersburg, INP; Stefan Meyer Inst. Subatomare Phys.; Strasbourg, IPHC; Sungkyunkwan U.; TIFR, Mumbai, DHEP; TU Vienna; Taiwan, Natl. Central U.; Taiwan, Natl. Taiwan U.; Tbilisi State U.; Tennessee U.; Texas A&M U. Qatar, Doha; Texas A-M; Texas Tech.; Tomsk Polytechnic U.; Tomsk State U.; Trieste U.; Tsinghua U., Beijing; Turin U.; U. Campinas; U. Debrecen, Inst. Phys.; U. Genoa; UC, Davis; UC, Riverside; UC, San Diego; UC, Santa Barbara; UCLA; Univ. of Rochester, NY (United States); University Coll., Dublin; VINCA Inst. Nucl. Sci., Belgrade; Vanderbilt U.; Vienna, OAW; Vilnius U.; Virginia U.; Visva Bharati U.; Vrije U., Brussels; Warsaw U.; Warsaw U. of Tech.; Wayne State U.; Wisconsin U., Madison; Yerevan Phys. Inst.; Yonsei U.; Zewail City Sci. Technol., Giza; Zhejiang U.; Zurich U.; Zurich, ETH
- Sponsoring Organization:
- US Department of Energy; USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- CMS Collaboration
- Grant/Contract Number:
- AC02-07CH11359; SC0008475
- OSTI ID:
- 1647064
- Alternate ID(s):
- OSTI ID: 1839605
- Report Number(s):
- CERN-EP-2020-110; CMS-BPH-20-001; FERMILAB-PUB-20-342-CMS; oai:inspirehep.net:1805277; arXiv:2007.02434
- Journal Information:
- Phys.Lett.B, Journal Name: Phys.Lett.B Vol. 816
- Country of Publication:
- United States
- Language:
- English
Similar Records
Measurements of Born cross sections for
and
at
and 4950.9 MeV
Journal Article
·
Mon Apr 29 20:00:00 EDT 2024
· Physical Review. D.
·
OSTI ID:2341918