CERN Accelerating science

Charm physics

Topics being Studied:

  • D0 mixing [Schwartz, Gersabeck]
  • D CP violation [Brodzicka, Gersabeck, Schwartz]
  • T violation [Brodzicka]
  • Properties of broad D**'s and new DsJ states [Nanut]
  • Excited charm baryon properties [Yelton]
  • Semileptonic decays [Li, Oyanguren]
  • Decay constants [Li]
  • Hadronic branching fractions [Naik, Gibbons]
  • Rare D decay modes [Gersabeck]

 

 

Mixing and CPV Results

 

 

Date References Mixing Parameters Global Fit (allowing for CPV)
MORIOND19 (La Thuile, Valle d'Aosta, Italy, March 2019) Refs. March 2019 World Averages CPV-Allowed Results
CHARM18 (Novosibirsk, Russia, May 2018) Refs. May 2018 World Averages CPV-Allowed Results
CKM16 (Mumbai, India, November 2016) Refs. November 2016 World Averages CPV-Allowed Results
CHARM15 (May 2015) Refs. July 2015 World Averages CPV-Allowed Results
FPCP14 (June 2014) Refs. June 2014 World Averages CPV-Allowed Results
CHARM13 (September 2013) Refs. Nov'13 World Averages CPV-Allowed Results
APRIL13 (April 2013) Refs. April'13 World Averages CPV-Allowed Results
MARCH12 (end of March, 2012) Refs. March'12 World Averages (No CPV) CPV-Allowed Results
LP11 (Mumbai, India, August 2011) Refs. Dec'11             not updated CPV-Allowed Results
CHARM10 (Beijing, October 2010) Refs. Oct'10 World Averages (No CPV) CPV-Allowed Results
FPCP10 (Torino, Italy, May 2010) Refs. May'10 World Averages (No CPV) CPV-Allowed Results
EPS09 (Krakow, Poland, July 2009) Refs. Aug'09 World Averages (No CPV) CPV-Allowed Results
ICHEP08 (Philadelphia, Aug 2008) Refs. Aug'08 World Averages (No CPV) CPV-Allowed Results
FPCP08 (Taiwan, May 2008) Refs. July'08 World Averages (No CPV) CPV-Allowed Results
Charm07 (Beijing, Nov. 2007) Refs. Nov'07 World Averages (No CPV) CPV-Allowed Results
FPCP07 (Bled, May 2007) Refs. May'07 No CPV Results CPV Allowed Results

 

 

Direct CPV Asymmetries

 

 

Date Topic
June 2017 CP asymmetry results
July 2016 CP asymmetry results
February 2015 CP asymmetry results
July 2014 CP asymmetry results
June 2014 CP asymmetry results
April 2014 CP asymmetry results
September 2013 CP asymmetry results
March 2012 CP asymmetry results
June 2011 CP asymmetry results
March 2010 CP asymmetry results
January 2009 CP asymmetry results
July 2008 CP asymmetry results

 

 

Combination of Direct and Indirect CPV

 

 

Date Topic
Moriond 2019 Direct vs. Indirect CPV
CKM (November) 2016 Direct vs. Indirect CPV
Winter 2016 Direct vs. Indirect CPV
April 2015 Direct vs. Indirect CPV
May 2014 Direct vs. Indirect CPV
CHARM 2013 Direct vs. Indirect CPV
March 2013 Direct vs. Indirect CPV
ICHEP 2012 Direct vs. Indirect CPV
March 2012 Direct vs. Indirect CPV
December 2011 Direct vs. Indirect CPV
HCP11 (Paris, November 2011) Direct vs. Indirect CPV
EPS11 (Grenoble, France, July 2011) Direct vs. Indirect CPV

 

 

T-violation Asymmetries

 

 

Date Topic
July 2016 T-violating decay-rate asymmetries
February 2015 T-violating decay-rate asymmetries
April 2013 T-violating decay-rate asymmetries
June 2011 T-violating decay-rate asymmetries
March 2010 T-violating decay-rate asymmetries
March 2007 T-violating decay-rate asymmetries

 

 

Leptonic D(s) meson decays

 

 

 

 


Date Results
October 2016 D and |Vcd|
Ds and |Vcs|
December 2014 D and |Vcd|
Ds and |Vcs|
CHARM10 (Beijing, October 2010) fDs World average
FPCP10 (Torino, Italy, May 2010) fDs World average
PIC09 (Kobe, Japan, Sept 2009) fDs World average

 

 

Properties of Excited D's and new DsJ states

 

 

Date Topic
August 2017 Excited D results
March 2010 Excited D results
October 2008 Excited D results

 

 

Rare and Forbidden Decays

 

 

Date Topic
CKM (November) 2016 Rare and Forbidden Decay Limits
June 2016 Rare and Forbidden Decay Limits
April 2014 Rare and Forbidden Decay Limits
April 2012 Rare and Forbidden Decay Limits

 

 

Charm Baryons

 

 

Date Topic
April 2019 Excited charm baryons
October 2016 Λc+ results

 

 

Semileptonic Decays

 

 

Date Topic
December 2017 Y. Amhis et al. (HFLAV), EPJC 77 (2017) 895, Section 8.5
October 2014 Semileptonic results
December 2008 Semileptonic results

 

 

Hadronic Decays

 

 

Date Topic
July 2019 D0 results
July 2017 D0 results
October 2014 D0 results
June 2009 D0 results
December 2014 Ds+ results

Members of the Sub-Group

Experiment Contact Persons
BABAR

Arantza Oyanguren

BELLE II

Alan Schwartz

John Yelton

LHCb

Marco Gersabeck

Paras Naik

Tara Nanut

Jolanta Brodzicka

BESIII

Haibo Li

CLEO-c

Lawrence Gibbons

 

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