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SUMMARY:Neutron lifetime anomaly and consistent origin of dark matter and
baryon asymmetry
DTSTART;VALUE=DATE-TIME:20200122T100000Z
DTEND;VALUE=DATE-TIME:20200122T110000Z
DTSTAMP;VALUE=DATE-TIME:20200402T224840Z
UID:indico-event-5931@indico.lal.in2p3.fr
DESCRIPTION:Originated from Lee and Yang's seminal work on parity violatio
n\, a rather exact mirror matter model is proposed using spontaneous mirro
r symmetry breaking\, which results in oscillations of neutral particles [
1-5]. As it turns out\, neutron-mirror neutron (n-n') oscillations become
one of the best messengers between the ordinary and the mirror worlds. The
new n-n' model resolves the neutron lifetime anomaly\, i.e.\, the 1% diff
erence between measurements from "Beam" and "Bottle" experiments [1]. The
picture of how the mirror-to-ordinary matter density ratio is evolved in t
he early universe into today's observed dark-to-baryon matter density rati
o (~5.4) is gracefully demonstrated [1]. \n\nMore intriguingly\, a natural
extension of the new model applying kaon oscillations in the early univer
se shows a promising solution to the long-standing baryon asymmetry proble
m with new insights for the QCD phase transition and B-violation topologic
al processes [3]. A consistent picture for the origin of both baryon asymm
etry and dark matter can then be depicted with kaon and neutron oscillatio
ns under the new model. Based on this model\, a new theory - extended Stan
dard Model with Mirror Matter (SM^3) [6] is developed for an elegant solut
ion to dark energy and a foundation for addressing consistently and quanti
tatively many other celebrated puzzles: evolution of stars [2]\, ultrahigh
energy cosmic rays [4]\, unitarity of the CKM matrix [5]\, etc. Last but
not least\, various laboratory measurements using current technology are p
roposed to test the new theory [5]. \n\n[1] https://arxiv.org/abs/1902.018
37 [Phys. Lett. B 797\, 134921 (2019)] \n\n[2] https://arxiv.org/abs/1902.
03685
\n\n[3] https://arxiv.org/abs/1904.03835 [Phys. Rev. D 100\, 06353
7 (2019)] \n\n[4] https://arxiv.org/abs/1903.07474 \n\n[5] https://arxiv.o
rg/abs/1906.10262 \n\n[6] https://arxiv.org/abs/1908.11838 \n\nhttps://ind
ico.lal.in2p3.fr/event/5931/
LOCATION:IJCLab Salle de réunion Bât.108
URL:https://indico.lal.in2p3.fr/event/5931/
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