gaituxiangxianshiliangkezhongzixingpengzhuangbingshifangchuzhongzi，fangshexinghexunsubuhuozhexiezhongzi。zhongzibuhuohefangshexingshuaibiandejiehesuihouchanshenggengzhongdeyuansu。zhenggeguochengbeirenweizaiyimiaozhongneifasheng。tupianlaiyuan：馬修·穆姆鮑爾/洛斯阿拉莫斯國家實驗室

科技日報記者 張夢然

yuansuzhouqibiaozhongtieyishangdeyuansu
，beirenweishizailiangkezhongzixinghebingdengzainanxingbaozhahuozaihanjiandechaoxinxingzhongchanshengde。zuixinyanjiubiaoming，zaizhongyuansudechanshengguochengzhong，yuzhouzhongkenenghuiyouliebianfasheng。tongguoshuligulaohengxingzhongdegezhongyuansudeshuju
，yanjiurenyuanfaxianleliebiandeqianzaitezheng

，bingbiaomingziranjiekenenghuichanshengchaochuyuansuzhouqibiaozhongzuizhongyuansudechaozhongyuanzihe。zheyiyanjiuchengguofabiaozaizuixinyiqi《科學》雜誌上。

liyongzuixindeguanchajieguo
，meiguoluosielamosiguojiashiyanshiyanjiurenyuanfaxianleyindengqingzhijingmijinshuyuyoudengxituyuanzihezhijiancunzaixiangguanxing。dangqizhongyizuyuansushangshengshi，lingyizuzhongxiangyingdeyuansuyehuizengjia，qixiangguanxingweizheng。

研(yan)究(jiu)人(ren)員(yuan)表(biao)示(shi)
，不(bu)同(tong)恒(heng)星(xing)之(zhi)間(jian)都(dou)出(chu)現(xian)這(zhe)種(zhong)情(qing)況(kuang)，唯(wei)一(yi)可(ke)能(neng)的(de)方(fang)式(shi)是(shi)，在(zai)重(zhong)元(yuan)素(su)形(xing)成(cheng)過(guo)程(cheng)中(zhong)存(cun)在(zai)一(yi)致(zhi)的(de)過(guo)程(cheng)。團(tuan)隊(dui)測(ce)試(shi)了(le)所(suo)有(you)的(de)可(ke)能(neng)性(xing)，裂(lie)變(bian)是(shi)唯(wei)一(yi)能(neng)夠(gou)重(zhong)現(xian)這(zhe)一(yi)趨(qu)勢(shi)的(de)解(jie)釋(shi)。這(zhe)也(ye)是(shi)宇(yu)宙(zhou)中(zhong)裂(lie)變(bian)發(fa)生(sheng)的(de)第(di)一(yi)個(ge)證(zheng)據(ju)。

研究還表明，原子質量（質子加中子數）為260的元素（比元素周期表最重的元素更重）可能存在。

tuanduikaifaleyongyuyucehezhidaoguancedeliebianmoxing。zhexiemoxingyunxuwulixuejiajieshishiyanbingzaiquefaceliangshitianchongshuju。yuceliangshujuxiangbi，zhexiemoxingbiaoxiandefeichanghao，yincizaimeiyouceliangshujudeqingkuangxia，tamendetuiduangengjiakexin。

研yan究jiu重zhong元yuan素su形xing成cheng需xu要yao短duan壽shou和he長chang壽shou物wu種zhong的de核he輸shu入ru。裂lie變bian產chan率lv是shi將jiang相xiang對dui較jiao重zhong原yuan子zi分fen裂lie成cheng較jiao輕qing原yuan子zi過guo程cheng中zhong的de產chan物wu，這zhe與yu核he武wu器qi和he反fan應ying堆dui中zhong使shi用yong的de過guo程cheng相xiang同tong。