Overview of Rare D⁰ Decays
(updated 26 September 2012)

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People working on this:   Marco Gersabeck

This page provides an overview of rare D⁰ decays. Shown are 90% C.L. limits as overview plots and listed in a table. The different regions combine lepton flavor violation decays (LF), lepton number violating decays (L), and baryon and lepton number violating decays (BL).

D⁰ limits at 90% C.L.



Or split in two



Legend

Decay	Limit at 90% CL x106	Experiment	Reference
γγ	26.0	CLEO II	T.E. Coan et al., Phys. Rev. Lett. 90 (2003) 101801
	2.2	BaBar Preliminary	J.P. Lees et al., arXiv:1110.6480 [hep-ex]
e+e-	220.0	CLEO	P. Haas et al., Phys. Rev. Lett. 60 (1988) 1614
	170.0	Argus	H. Albrecht et al., Phys. Lett. B209 (1988) 380
	130.0	Mark3	J. Adler et al., Phys. Rev. D37 (1988) 2023
	13.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	8.19	E789	D. Pripstein et al., Phys. Rev. D61 (2000) 032005
	6.2	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401-409
	1.2	BaBar	B. Aubert et al., Phys. Rev. Lett. 93 (2004) 191801
	0.079	Belle	M. Petric et al., Phys. Rev. D81 (2010) 091102R
μ+μ-	70.0	Argus	H. Albrecht et al., Phys. Lett. B209 (1988) 380
	44.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85-92
	34.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	15.6	E789	D. Pripstein et al., Phys. Rev. D61 (2000) 032005
	5.2	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401-409
	2.0	HERAb	I. Abt et al., Phys. Lett. B596 (2004) 173
	1.3	BaBar	B. Aubert et al., Phys. Rev. Lett. 93 (2004) 191801
	0.21	CDF	T. Aaltonen et al., Phys. Rev. D82 (2010) 091105R
	0.14	Belle	M. Petric et al., Phys. Rev. D81 (2010) 091102R
	0.011	LHCb Preliminary	LHCb collaboration, LHCb-CONF-2012-005
π0e+e-	45.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
π0μ+μ-	540.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	180.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85-92
ηe+e-	110.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
ημ+μ-	530.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
π+π-e+e-	370.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
ρe+e-	450.0	CLEO	P. Haas et al., Phys. Rev. Lett. 60 (1988) 1614
	124.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
	100.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
π+π-μ+μ-	30.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
ρμ+μ-	810.0	CLEO	P. Haas et al., Phys. Rev. Lett. 60 (1988) 1614
	490.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	230.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85-92
	22.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
ωe+e-	180.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
ωμ+μ-	830.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
K+K-e+e-	315.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
φe+e-	59.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
	52.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
K+K-μ+μ-	33.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
φμ+μ-	410.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	31.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K0e+e-	1700.0	Mark3	J. Adler et al., Phys. Rev. D40 (1989) 906
	110.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
K0μ+μ-	670.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	260.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85-92
K-π+e+e-	385.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K*0(892)e+e-	140.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	47.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K-π+μ+μ-	360.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K*0(892)μ+μ-	1180.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	24.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
π+π-π0μ+μ-	810.0	E653	K. Kodama et al., Phys. Lett. B345 (1995) 85-92
μ±e∓	270.0	CLEO	P. Haas et al., Phys. Rev. Lett. 60 (1988) 1614
	120.0	Mark3	J. Becker et al., Phys. Lett. B193 (1987) 147
	100.0	Argus	H. Albrecht et al., Phys. Lett. B209 (1988) 380
	19.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	17.2	E789	D. Pripstein et al., Phys. Rev. D61 (2000) 032005
	8.1	E791	E.M. Aitala et al., Phys. Lett. B462 (1999) 401-409
	0.81	BaBar	B. Aubert et al., Phys. Rev. Lett. 93 (2004) 191801
	0.26	Belle	M. Petric et al., Phys. Rev. D81 (2010) 091102R
π0e±μ∓	86.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
ηe±μ∓	100.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
π+π-e±μ∓	15.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
ρe±μ∓	66.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
	49.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
ωe±μ∓	120.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
K+K-e±μ∓	180.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
φe±μ∓	47.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
	34.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
K0e±μ∓	100.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
K-π+e±μ∓	550.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K*0(892)e±μ∓	100.0	CLEO II	A. Freyberger et al., Phys. Rev. Lett. 76 (1996) 3065-3069
	83.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
π∓π∓e±e±	112.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
π∓π∓μ±μ±	29.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K∓π∓e±e±	206.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K∓π∓μ±μ±	390.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K∓K∓e±e±	152.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K∓K∓μ±μ±	94.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
π∓π∓e±μ±	79.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K∓π∓e±μ±	218.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
K∓K∓e±μ±	57.0	E791	E.M. Aitala et al., Phys. Rev. Lett. 86 (2001) 3969-3972
pe-	10.0	CLEO	P. Rubin et al., Phys. Rev. D79 (2009) 097101
pe+	11.0	CLEO	P. Rubin et al., Phys. Rev. D79 (2009) 097101