Overview of Rare D⁺ Decays
(updated 29 March 2021)

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People working on this:   Marco Gersabeck

This page provides an overview of rare D⁺ decays. Shown are 90% C.L. limits as overview plots and listed in a table. The different regions combine lepton flavor violation decays (LF), and lepton number violating decays (L).

D⁺ limits at 90% C.L.

Decay	Limit at 90% CL x106	Experiment	Reference
π+e+e-	110.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	52.0	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401
	5.9	CLEO	P. Rubin et al., Phys. Rev. D82 (2010) 092007
	1.6	LHCb	R. Aaij et al., arXiv:2011.00217
	1.1	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
π+π0e+e-	14.0	BESIII	M. Ablikim et al., Phys. Rev. D97 (2018) 072015
π+μ+μ-	220.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85
	89.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	15.0	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401
	8.8	Focus	J.M. Link et al., Phys. Lett. B572 (2003) 21
	6.5	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
	3.9	D0	V.M. Abazov, Phys. Rev. Lett. 100 (2008) 101801
	0.067	LHCb	R. Aaij et al., arXiv:2011.00217
ρ+μ+μ-	560.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85
K+e+e-	200.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	3.0	CLEO	P. Rubin et al., Phys. Rev. D82 (2010) 092007
	1.0	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
	0.85	LHCb	R. Aaij et al., arXiv:2011.00217
K+μ+μ-	97.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	44.0	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401
	9.2	Focus	J.M. Link et al., Phys. Lett. B572 (2003) 21
	4.3	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
	0.054	LHCb	R. Aaij et al., arXiv:2011.00217
K+π0e+e-	15.0	BESIII	M. Ablikim et al., Phys. Rev. D97 (2018) 072015
KSπ+e+e-	26.0	BESIII	M. Ablikim et al., Phys. Rev. D97 (2018) 072015
KSK+e+e-	11.0	BESIII	M. Ablikim et al., Phys. Rev. D97 (2018) 072015
π+e±μ∓	34.0	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401
π+e+μ-	110.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	2.9	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
	0.21	LHCb	R. Aaij et al., arXiv:2011.00217
π+μ+e-	130.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	3.6	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
	0.22	LHCb	R. Aaij et al., arXiv:2011.00217
K+e±μ∓	68.0	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401
K+e+μ-	130.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	1.2	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
	0.075	LHCb	R. Aaij et al., arXiv:2011.00217
K+μ+e-	120.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	2.8	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
	0.1	LHCb	R. Aaij et al., arXiv:2011.00217
π-e+e+	110.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	96.0	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401
	1.9	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
	1.1	CLEO	P. Rubin et al., Phys. Rev. D82 (2010) 092007
	0.53	LHCb	R. Aaij et al., arXiv:2011.00217
π-μ+μ+	87.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	17.0	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401
	4.8	Focus	J.M. Link et al., Phys. Lett. B572 (2003) 21
	2.0	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
	0.014	LHCb	R. Aaij et al., arXiv:2011.00217
π-e+μ+	110.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	50.0	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401
	0.13	LHCb	R. Aaij et al., arXiv:2011.00217
ρ-μ+μ+	560.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85
K-e+e+	120.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	3.5	CLEO	P. Rubin et al., Phys. Rev. D82 (2010) 092007
	0.9	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
K-μ+μ+	320.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85
	120.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
	13.0	Focus	J.M. Link et al., Phys. Lett. B572 (2003) 21
	10.0	BaBar	J.P. Lees et al., Phys. Rev. D84 (2011) 072006
K-e+μ+	130.0	E687	P.L. Frabetti et al., Phys. Lett. B398 (1997) 239
K-π0e+e+	8.5	BESIII	M. Ablikim et al., Phys. Rev. D99 (2019) 112002
KSπ-e+e+	3.3	BESIII	M. Ablikim et al., Phys. Rev. D99 (2019) 112002
K*-(892)μ+μ+	850.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85