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100 _a20190506a2018 k y0engy50 ba
101 0 _aeng
_deng
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aGravitino and Polonyi production in supergravity
_fA. Addazi, S. V. Ketov, M. Yu. Khlopov
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 71 tit.]
330 _aWe study production of gravitino and Polonyi particles in the minimal Starobinsky-Polonyi N=1N=1 supergravity with inflaton belonging to a massive vector supermultiplet. Our model has only one free parameter given by the scale of spontaneous SUSY breaking triggered by Polonyi chiral superfield. The vector supermultiplet generically enters the action non-minimally, via an arbitrary real function. This function is chosen to generate the inflaton scalar potential of the Starobinsky model. Our supergravity model can be reformulated as an abelian supersymmetric gauge theory with the vector gauge superfield coupled to two (Higgs and Polonyi) chiral superfields interacting with supergravity, where the U(1) gauge symmetry is spontaneously broken. We find that Polonyi and gravitino particles are efficiently produced during inflation, and estimate their masses and the reheating temperature. After inflation, perturbative decay of inflaton also produces Polonyi particles that rapidly decay into gravitinos. As a result, a coherent picture of inflation and dark matter emerges, where the abundance of produced gravitinos after inflation fits the CMB constraints as a Super Heavy Dark Matter (SHDM) candidate. Our scenario avoids the notorous gravitino and Polonyi problems with the Big Bang Nucleosynthesis (BBN) and DM overproduction.
461 _tThe European Physical Journal C
_oScientific Journal
463 _tVol. 78, iss. 8
_v[642, 40 р.,]
_d2018
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _aгравитирующие тела
610 1 _aполоний
610 1 _aсупергравитация
700 1 _aAddazi
_bA.
_gAndrea
701 1 _aKetov
_bS. V.
_cphysicist
_cChief Expert of Tomsk Polytechnic University, Candidate of physical and mathematical sciences
_f1960-
_gSergey Vladimirovich
_2stltpush
_3(RuTPU)RU\TPU\pers\36631
701 1 _aKhlopov
_bM. Yu.
_gMaksim Yurjevich
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИсследовательская школа физики высокоэнергетических процессов
_c(2017- )
_h8118
_2stltpush
_3(RuTPU)RU\TPU\col\23551
801 2 _aRU
_b63413507
_c20200124
_gRCR
856 4 _uhttp://earchive.tpu.ru/handle/11683/57553
856 4 _uhttps://doi.org/10.1140/epjc/s10052-018-6111-7
942 _cCF