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Santopinto, E; Garcia-Tecocoatzi, H; Vsevolodovna, RIM; Ferretti, J
Heavy-ion double-charge-exchange and its relation to neutrinoless double-beta decay
发表期刊PHYSICAL REVIEW C
语种英语
关键词MAJORANA NEUTRINOS GENERALIZED SENIORITY SEARCH PROBE
摘要We introduce the formalism to describe heavy-ion double-charge-exchange (DCE) processes in the eikonal approximation. We focus on the low-momentum-transfer limit, corresponding to the differential cross section at theta = 0 degrees, and for the first time, we show that it is possible to factorize the DCE cross section in terms of reaction and nuclear parts. Whereas in the theta not equal 0 degrees case the nuclear part is a convolution of the beam and target nuclear matrix elements (NMEs), for theta = 0 degrees we demonstrate for the first time that the transition matrix elements can be written as the sum of double Gamow-Teller (DGT) and double Fermi (DF) type parts, and that they can both be further factorized in terms of target and projectile NMEs. By making use of the interacting boson model (IBM) formalism, we also show that the DGT and total parts of the neutrinoless double-beta-decay NMEs are in linear correlation with DCE-DGT NMEs. This confirms the hypothesis of a linear correlation between them, as introduced earlier [N. Shimizu et al., Phys. Rev. Lett. 120, 142502 (2018)]. The possibility of a two-step factorization (TSF) of the very forward differential DCE cross section and the emergence of DGT and DF types for the DCE nuclear matrix elements, combined with a linear correlation between DCE-DGT and 0 nu beta beta NMEs, opens the possibility of placing an upper limit on neutrinoless double-beta-decay NMEs in terms of the DCE experimental data at theta = 0 degrees.
2018
ISSN2469-9985
卷号98期号:6页码:61601
学科领域Physics
学科门类Physics, Nuclear
DOI10.1103/PhysRevC.98.061601
收录类别SCIE
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22768
专题理论物理所科研产出_SCI论文
作者单位1.[Santopinto, E.
2.Garcia-Tecocoatzi, H.
3.INFN, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy
4.[Ferretti, J.] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
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Santopinto, E,Garcia-Tecocoatzi, H,Vsevolodovna, RIM,et al. Heavy-ion double-charge-exchange and its relation to neutrinoless double-beta decay[J]. PHYSICAL REVIEW C,2018,98(6):61601.
APA Santopinto, E,Garcia-Tecocoatzi, H,Vsevolodovna, RIM,&Ferretti, J.(2018).Heavy-ion double-charge-exchange and its relation to neutrinoless double-beta decay.PHYSICAL REVIEW C,98(6),61601.
MLA Santopinto, E,et al."Heavy-ion double-charge-exchange and its relation to neutrinoless double-beta decay".PHYSICAL REVIEW C 98.6(2018):61601.
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