Hidden charm with hiden and open strangeness; papers and in popular media

Collected by Tomasz Skwarnicki
E-mail: tskwarni@syr.edu

Scientific articles (experimental)

Jun 26, 2009 CDF discovers X(4140)
Jan 31, 2011 CDF has a hint for X(4274) [unpublished]
Sep 26, 2013 CMS confirms X(4140). Sees also 2nd peak. The preliminary CMS results were in circulation since late 2012.
Sep 25, 2013 D0 also sees X(4140)
Aug 31, 2015 D0 observes X(4140) in prompt production at Tevatron
June 2, 2016 First presentation of preliminary LHCb results at Meson 2016, Krakow, Poland (slides 26-42).
June 25, 2016 arXiv::1606.07895 published in Phys. Rev. Lett. 118, 022003 (2017) and arXiv::1606.07898 published in Phys. Rev. D95, 012002 (2017) LHCb confirms X(4140) and discovers its siblings: X(4274), X(4500), X(4700); determines their spin-parities
- See the list of papers citing the PRL paper above for theoretical papers in response to it. ( PRD citations )
Thomas Britton, Ph.D., Syracuse University, July 2016 (T.S. adviser)

March 2, 2021 arXiv:2103.01803 With more data LHCb confirms previously claimed states, and discovers for more, X(4630), X(4685), and openly strange Zcs(4000) and Zcs(4220).

News, blogs etc.

Many thanks to those who help propagate science to general public!

Mar 3, 2021:
- LHCb news release Observation of two ccus tetraquarks and two ccss tetraquarks.
- Patrick Koppenburh and Harry Cliff in theconversation.com CERN: scientists discover four new particles - here's why they matter

Pre-2016 posts:
- Links to some older posts concerning X(4140) (aka Y(4140)) can be found at wikipedia Y(4140) entry
June 28, 2016:
- LHCb news release Observation of four exotic-like particles
June 29, 2016
- Sarah Charley's article in SymmetryMagazine.com LHCb discovers family of tetraquarks
July 1, 2016
- CERN news update LHCb unveils new particles
- ScienceAlert.com Physicists have discovered what looks like an entire family of new particles in the LHC
- semprequestione.com in Portuguese Cientistas do CERN se surpreendem: "O que encontramos nao pode ser explicado pelas nossas leis de fisica existentes"
- CerebroDigital.org in Spanish Partículas exóticas descubiertas en LHCb CERN.
- SecretsOfTheFed.com Cern Scientists: ‘What we found can’t be explained by our existing laws of physics’
July 2, 2016
- www.stiintaonline.ro in Romanian Fizicienii din cadrul LHC au descoperit ceea ce pare a fi o familie de tetraquarcuri
- www.TRTWorld.com Discovery of "exotic" particles may change everything
July 3, 2016
- YouTube video Discovery of “exotic” particles may change everything
- Turkish-time.com Discovery Of “Exotic” Particles May Change Everything
July 4, 2016
- International Business Times LHC Scientists Confirm The Existence Of A Family Of Tetraquarks
- TheStandNews.com in Chinese Existence of new particles in particle physics card
- CosmosMagazine.com CERN finds four new X particles – how big a deal is this?
- RevistaEnigmas.com in Spanish Descubren nuevas partículas en el Colisionador de Hadrones
- Nplus1.ru in Russian Физики нашли четыре «одинаковых с лица» экзотических тетракварка
July 5, 2016
- NewScientist.nl in Dutch LHCb-onderzoekers vinden drie nieuwe exotische deeltjes
- ScienceMinestrone.Blog.Fc2.com (in Japanese)
July 6, 2016
- www.sci-news.com CERN Physicists Observe Three New Tetraquark Particles
- E! Scientific News PHYSICISTS HAVE DISCOVERED WHAT LOOKS LIKE AN ENTIRE FAMILY OF NEW PARTICLES IN THE LHC
- TheCuriosityOfCat.blogospot.com in Greek Οι επιστήμονες στο Cern επιβεβαιώνουν την ύπαρξη των tetra-quarks
- Gizmodo.com: CERN Physicist Have Discovered a Batch of New Exotic Particles
- msn.com: LHC data unveils new 'exotic' particles
- Focus.it in Italian LHC: scoperte nuove particelle esotiche
July 7, 2016
- futurism.com Tetraquark Evidence Mounts with Help from the Large Hadron Collider
- SciTech.people.cn in Chinese 3个四夸克新粒子首次"现形" 有助研究物质形成
July 8, 2016
- Rob Enslin's article in Syracuse News Physicists Discover Family of Tetraquarks also posted in EurekAlert.org , ScienceDaily.com , phys.org/news , ScienceNewsLine.com , PublicNow.com
- RIA Novosti in Russian Физики открыли целое семейство частиц из четырех кварков , also posted at Rambler.ru and RiaKursk.ru
- Wap.ScienceNet.ch in Chinese
July 9, 2016
- ScienceCodeX.com Physicists discover family of tetraquarks
July 10, 2016
- TheProgressiveWing.com Four Quarks For Muster Mark
- Science20.com Physicists Discover Family Of Tetraquarks
July 11, 2016
- ScineXX.de in German Ganze Familie von Tetraquarks entdeckt
- Krone.at in German Physiker finden drei neue "exotische Teilchen"
- Rob Enslin's article in College of Arts & Sciences news. Physicists Discover Family of Tetraquarks
- AzoQuantum.com Physicists Confirm Existence of Rare Four-Quark Particle
- In NanoTechnologyWorld.tumblr.com Physicists discover family of tetraquarks
July 12, 2016
- Emily Conover's article in ScienceNews.org Three cousins join family of four-quark particles
- SpaceDaily.com Physicists discover family of tetraquarks
- Clixoom.com in German CERN: EINZIGARTIGE TETRAQUARKS GEFUNDEN!
- m.OneNewsPage.com.au Physicists discover family of tetraquarks
- In Terra-Mystica.jimdo.com (in German) LHC entdeckt vier verschiedene exotische Teilchen
July 13, 2016
- YouTube video (18min) with the discussion of these results in German CERN: Einzigartige Tetraquarks gefunden! - Clixoom Science & Fiction (viewed 26,000 in 2 days after posting).
- IsikOnline.com CERN Scientists discover a family of Tetraquarks
- TheScinceExplorer.com Physicists Make Science History With Discovery of ParticleExoticRare
July 14, 2016
- LaporanPanelitian.com in Indonesian Tiga Saudara Partikel Eksotis Bergabung Menjadi Keluarga Empat Quark
July 17, 2016
- Syrian-Research reports (in Arabic) New family of particles
July 22, 2016
- Kacey Deamer's artcile in LiveScience.com Family of Exotic Tetraquarks Discovered
- In DailyMail.co.uk Four new tetraquarks discovered: Bizarre particles could give us clues to the aftermath of the Big Bang
July 29, 2016
- Peruvian Sophimania.pe (in spanish) Fisocos encuentran una nueva familia de tetraquarks