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New search for processes violating the Pauli exclusion principle in sodium and in iodine
Bernabei, R; Belli, P; Cappella, F; Cerulli, R; Dai, CJ; d'Angelo, A; He, HL; Incicchitti, A; Kuang, HH; Ma, XH; Montecchia, F; Nozzoli, F; Prosperi, D; Sheng, XD; Ye, ZP; Dai ZJ(戴长江); He HL(何会林); Kuang HH(况浩怀); Ma JM(马基茂); Ma XH(马欣华); Sheng XD(盛祥东); Ye ZP(叶子飘)
2009
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号62期号:2页码:#REF!
通讯作者Bernabei, R (reprint author), Univ Roma Tor Vergata, Dip Fis, I-00133 Rome, Italy.
文章类型Article
摘要In this paper a new search for non-Paulian nuclear processes, i.e. processes normally forbidden by the Pauli Exclusion Principle (PEP), is presented. It has been carried out at the Gran Sasso National Laboratory of the INFN by means of the highly radiopure DAMA/LIBRA set-up (sensitive mass of about 250 kg highly radiopure NaI(Tl)). In particular, a new improved upper limit for the spontaneous non-Paulian emission rate of protons with energy E (p) a parts per thousand yen 10 MeV in (23)Na and (127)I has been obtained: 1.63 x 10(-33) s(-1) (90% C.L.). The corresponding limit on the relative strength (delta (2)) for the searched non-Paulian transition is delta (2)a parts per thousand(2)(3-4)x10(-55) (90% C.L.). Moreover, PEP-violating electron transitions in iodine atoms have also been investigated. Lifetimes shorter than 4.7x10(30) s are excluded at 90% C.L.; this allows us to derive the limit delta (e) (2) < 1.28x10(-47) (90% C.L.). This latter limit can also be related to a possible finite size of the electron in composite models of quarks and leptons providing superficial violation of the PEP; the obtained upper limit on the electron size is r (0)< 5.7x10(-18) cm (energy scale of Ea parts per thousand(3)3.5 TeV).
学科领域Physics
DOI10.1140/epjc/s10052-009-1068-1
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:000267687700004
引用统计
被引频次:87[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227547
专题粒子天体物理中心
中国科学院高能物理研究所_教育处
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GB/T 7714
Bernabei, R,Belli, P,Cappella, F,et al. New search for processes violating the Pauli exclusion principle in sodium and in iodine[J]. EUROPEAN PHYSICAL JOURNAL C,2009,62(2):#REF!.
APA Bernabei, R.,Belli, P.,Cappella, F.,Cerulli, R.,Dai, CJ.,...&叶子飘.(2009).New search for processes violating the Pauli exclusion principle in sodium and in iodine.EUROPEAN PHYSICAL JOURNAL C,62(2),#REF!.
MLA Bernabei, R,et al."New search for processes violating the Pauli exclusion principle in sodium and in iodine".EUROPEAN PHYSICAL JOURNAL C 62.2(2009):#REF!.
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