Recen C oss-Sec ion
Resul s F om
Mic oBooNE
Jai o H. Rod iguez Rondon
On behal o he Mic oBooNE collabo a ion
XXI Wo kshop on Neu ino Telescopes
Pado a, I aly, Oc obe 1s 2025
Jai o H. Rod iguez Rondon 2
•Neu ino physics is in a g ea momen pushing owa ds high p ecision measu emen s o e ine oscilla ion
pa ame e and o de e mine he neu ino mass hie a chy.
•Liquid A gon Time P ojec ion Chambe s (LA TPCs) has become he s a e-o he a de ec o s in neu ino physics.
•P ecise neu ino c oss-sec ion measu emen s a e essen ial o unde s and in e ac ions wi h complex nucleus
•LA TPC de ec o o ~180 ons.
•10m x 2m s ainless s eel ca hode. (-70kV)
•3 sepa a ed anode planes. (~8200 wi es)
O e iew
Jai o H. Rod iguez Rondon 3
Impo an o C oss-Sec ion Measu emen s
Jai o H. Rod iguez Rondon 3
Impo an o C oss-Sec ion Measu emen s
Jai o H. Rod iguez Rondon 4
Impo an o C oss-Sec ion Measu emen s
Jai o H. Rod iguez Rondon 5
h p://news. nal.go /2021/05/ica us-ge s- eady- o- ly/19-0107-02-sbn-in og aphic-ica us-2/
LA TPC Expe imen s
Long-BaselineSho -Baseline
Jai o H. Rod iguez Rondon 5
•Sho -Baseline neu ino (SBN) p og am, is a se ies o LA TPCs de ec o aiming o in es iga e and measu e he p ope ies
o neu ino in e ac ions.
h p://news. nal.go /2021/05/ica us-ge s- eady- o- ly/19-0107-02-sbn-in og aphic-ica us-2/
LA TPC Expe imen s
Sho -Baseline Long-Baseline
Jai o H. Rod iguez Rondon 5
•Sho -Baseline neu ino (SBN) p og am, is a se ies o LA TPCs de ec o aiming o in es iga e and measu e he p ope ies
o neu ino in e ac ions.
•LA TPC a e one o he mos sui able de ec o echnologies o measu e complex opologies wi h high spa ial esolu ion
and ns-scale iming, excellen pa icle iden i ica ion, and 3D econs uc ion capabili ies.
h p://news. nal.go /2021/05/ica us-ge s- eady- o- ly/19-0107-02-sbn-in og aphic-ica us-2/
LA TPC Expe imen s
Long-BaselineSho -Baseline
Jai o H. Rod iguez Rondon 5
•Sho -Baseline neu ino (SBN) p og am, is a se ies o LA TPCs de ec o aiming o in es iga e and measu e he p ope ies
o neu ino in e ac ions.
•LA TPC a e one o he mos sui able de ec o echnologies o measu e complex opologies wi h high spa ial esolu ion
and ns-scale iming, excellen pa icle iden i ica ion, and 3D econs uc ion capabili ies.
•Mic oBooNE has a la ge neu ino-a gon da ase eco ded (~700K neu ino in e ac ions) o e i s ope a ional pe iod.
h p://news. nal.go /2021/05/ica us-ge s- eady- o- ly/19-0107-02-sbn-in og aphic-ica us-2/
LA TPC Expe imen s
Long-BaselineSho -Baseline
Jai o H. Rod iguez Rondon 11
Jai o H. Rod iguez Rondon 11
In es iga e MiniBooNE low ene gy excess
•MiniBooNE epo s a 4.8 𝜎 excess o single
elec omagne ic showe s a low ene gy ange.
•Mic oBooNE, due i s in insic capabili y o
dis inguish elec ons and gamma, will allow o
u he in es iga e his anomaly.
•Di e en hypo heses has been p oposed o he s ill
unexplained excess, e en hough, Mic oBooNE
analyses has con ibu ing wi h s ong cons ains o
many o hem.
Jai o H. Rod iguez Rondon 11
Sea ches in BSM physics
•Fi s sea ch o da k-sec o explana ions o
MiniBooNE anomaly.
•Recen esul s include limi s on Hea y Neu al
Lep ons (PRL 132, 041801 (2024)), Da k T iden s
(PRL 132, 241801 (2024)), and Higgs Po al Scala s
(a Xi :2501.08052).
•Many mo e sea ches in p og ess: axion-like
pa icles, millicha ged pa icles, e c.
In es iga e MiniBooNE low ene gy excess
•MiniBooNE epo s a 4.8 𝜎 excess o single
elec omagne ic showe s a low ene gy ange.
•Mic oBooNE, due i s in insic capabili y o
dis inguish elec ons and gamma, will allow o
u he in es iga e his anomaly.
•Di e en hypo heses has been p oposed o he s ill
unexplained excess, e en hough, Mic oBooNE
analyses has con ibu ing wi h s ong cons ains o
many o hem.
Jai o H. Rod iguez Rondon 11
Sea ches in BSM physics
•Fi s sea ch o da k-sec o explana ions o
MiniBooNE anomaly.
•Recen esul s include limi s on Hea y Neu al
Lep ons (PRL 132, 041801 (2024)), Da k T iden s
(PRL 132, 241801 (2024)), and Higgs Po al Scala s
(a Xi :2501.08052).
•Many mo e sea ches in p og ess: axion-like
pa icles, millicha ged pa icles, e c.
In es iga e MiniBooNE low ene gy excess
•MiniBooNE epo s a 4.8 𝜎 excess o single
elec omagne ic showe s a low ene gy ange.
•Mic oBooNE, due i s in insic capabili y o
dis inguish elec ons and gamma, will allow o
u he in es iga e his anomaly.
•Di e en hypo heses has been p oposed o he s ill
unexplained excess, e en hough, Mic oBooNE
analyses has con ibu ing wi h s ong cons ains o
many o hem.
Jai o H. Rod iguez Rondon 12
•Mic oBooNE has ecen ly published esul s on No el Pa icle Iden i ica ion Techniques and De ec o Physics.
Jai o H. Rod iguez Rondon 12
•Mic oBooNE has ecen ly published esul s on No el Pa icle Iden i ica ion Techniques and De ec o Physics.
•No el Pa icle Iden i ica ion Techniques:
•Neu on iden i ica ion h ough n-A inelas ic p o on p oduc ion.
•MeV-scale “Blips” which has a wide ange o applica ions as: imp o ing calo ime y, muon/pion sepa a ion,
neu on agging, lowe pa icle h eshold, e c.
Phys. Re . D 111, 032005
Eu . Phys. J. C 84, 1052
Jai o H. Rod iguez Rondon 12
•Mic oBooNE has ecen ly published esul s on No el Pa icle Iden i ica ion Techniques and De ec o Physics.
•No el Pa icle Iden i ica ion Techniques:
•Neu on iden i ica ion h ough n-A inelas ic p o on p oduc ion.
•MeV-scale “Blips” which has a wide ange o applica ions as: imp o ing calo ime y, muon/pion sepa a ion,
neu on agging, lowe pa icle h eshold, e c.
•De ec o Physics:
•ns-scale iming: Achie e neu ino in e ac ions ime esolu ion o O(1ns), powe ul ool o non-beam
backg ound ejec ion
Phys. Re . D 108, 052010
Phys. Re . D 111, 032005
Eu . Phys. J. C 84, 1052
Jai o H. Rod iguez Rondon 13
Mic oBooNE has buil a chain o ools ha makes c oss-sec ion analyses possible:
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Mic oBooNE has buil a chain o ools ha makes c oss-sec ion analyses possible:
•Mic oBooNE has a sel -de eloped une in o CCQE and CCMEC based on T2K da a (PhysRe D.105.072001).
Jai o H. Rod iguez Rondon 13
Mic oBooNE has buil a chain o ools ha makes c oss-sec ion analyses possible:
•Mic oBooNE has a sel -de eloped une in o CCQE and CCMEC based on T2K da a (PhysRe D.105.072001).
•De elopmen o a no el app oach o assess de ec o ela ed sys ema ic unce ain ies (Eu . Phys. J. C (2022) 82, 454).
Jai o H. Rod iguez Rondon 16
Pion P oduc ion Resul s - 𝜈𝑒𝐶𝐶1𝜋±
•Fi s measu emen o 𝜈𝑒𝑐𝑐1𝜋± on a gon.
•This esul use he ull NuMI da ase , wi h highe 𝜈𝑒 con en .
•The c oss sec ion measu ed in his analysis shows good modeling
wi hin he epo ed unce ain ies.
•The da a sligh ly p e e he highe c oss sec ions p edic ed by
NEUT, NuW o, and GiBUU compa ed wi h he lowe c oss sec ions
p edic ed by GENIE
•116 e en s candida es we e ound. (78% 𝜈𝑒 and 22% ҧ𝜈𝑒 p edic ed)
Phys. Re . Le . 135, 061802
Jai o H. Rod iguez Rondon 17
Pion P oduc ion Resul s - 𝜈𝜇𝐶𝐶1𝜋±
•Full Mic oBooNE da ase , i s measu emen o pion momen um.
•Signs o mismodelling a low Q2 and o high pion momen a d i en
by inal s a e in e ac ions.
•The o al c oss-sec ion measu ed in da a shows ag eemen wi h
GiBUU 2025, while GENIE and NuW o a e he closes p edic ions
o he di e en ial c oss sec ions epo ed.
•This analysis elies on BDTs o iden i y pa icles in he inal s a e o
he in e ac ion.
•This analysis epo ed 6816 e en selec ed.
a Xi :2509.03628
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𝑪𝑪𝟎𝝅 Resul s - 1D & 2D 𝜈𝜇𝐶𝐶𝑁𝑝0𝜋
•This wo k enables co ela ed mul i- a ge c oss-sec ion
measu emen s using Che enko de ec o s in he same neu ino
beam (BNB).
•Domina ed by QE-like in e ac ions.
•The a e age o al unce ain y epo ed is below 20%.
•The GiBUU 2025 and NEUT models show bes pe o mance o
he ex ac ed 1D and 2D c oss sec ions as a unc ion o 𝑝µ and
cos 𝜃µ
a Xi :2507.00921
Jai o H. Rod iguez Rondon 19
Ra e Channels Resul s
•Fi s measu emen o muon neu ino in e ac ions wi h cha ged
kaon in he inal s a e.
•Key measu emen o he imp o emen o he iden i ica ion and
mi iga ion o a mosphe ic neu ino backg ounds o nucleon decay
sea ches o DUNE.
•The e en selec ion was based on BDTs o kaon iden i ica ion.
•This wo k epo ed 10 e en s om a da ase o 6.88 ×1020 POT.
•The measu ed c oss sec ion shows ag eemen , wi hin he o al
epo ed unce ain y (54.1%), wi h di e en neu ino gene a o s.
a Xi :2503.00291
Jai o H. Rod iguez Rondon 20
Mo e esul s o come!
ONGOING
CC inclusi e
𝜈𝜇𝐶𝐶 inclusi e @ NuMI
𝜈𝑒/𝜈𝜇 a ios @ BNB, NuMI
ҧ𝜈𝑒@ NuMI
Pion p oduc ion
𝜈𝜇𝐶𝐶1𝜋+@ BNB & NuMI
𝜈𝜇𝐶𝐶𝑁𝜋@ NuMI
1D 𝜈𝜇𝐶𝐶𝜋0@ BNB
2D 𝜈𝜇𝐶𝐶/𝑁𝐶 𝜋0@ BNB
2D 𝜈𝑒,𝜇𝑁𝐶𝜋0@ BNB
CC/NC 0π
2D 𝜈𝜇𝐶𝐶1𝑝0𝜋 GKI @ BNB
1D & 2D 𝜈𝜇𝐶𝐶0𝜋@ BNB
2D 𝜈𝜇𝐶𝐶𝑁𝑝0𝜋 @ BNB
1D 𝜈𝑒𝐶𝐶0𝜋𝑁𝑝 @ NuMI
1D 𝜈𝜇𝑁𝐶1𝑝0𝜋 @ BNB
Ra e channels & no el echniques
MeV-scale physics @ BNB
Low-ene gy neu ons @ BNB
Mul i-pion p oduc ion @ BNB
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Summa y
•Mic oBooNE is s ill unning a di e se and comp ehensi e c oss sec ion
p og am.
•Mic oBooNE ac i ely analyzing ull da ase :
•5 yea s o da a, wo neu ino beams
•Showcasing esul om di e en neu ino in e ac ion channels,
de elopmen o no el e en selec ion and analysis echniques
•Exci ing new esul s ou ac oss all a eas, wi h many mo e in he wo ks!
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Thank you!
