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Exact An.lytical an. n.merical Solution. to the Time-Depen.en. Schrödin.er Equation.for a On.-Dimen.ion.l Poten.ial Exhibitin. n.n.Expon.n.ial Decay at All Times

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Journ.l of Modern.Physics 2010年第2期1卷 124-136页

作者： athanasios n. petridis Lawren.e P. Staun.on.Jon.Vermedahl Marshall Luban 不详

The departure at large times from expon.n.ial decay in.the case of reson.n.e wavefun.tion. is mathematically demon.trated. Then. exact, an.lytical solution. to the time-depen.en. Schr?din.er equation.in.on. dimen.ion.are developed for a time-in.epen.en. poten.ial con.istin. of an.in.in.te wall an. a repulsive delta fun.tion. The exact solution. are obtain.d by mean. of a superposition.of time-in.epen.en. solution. span.in. the given.Hilbert space with appropriately chosen.spectral fun.tion. for which the resultin. in.egrals can.be evaluated exactly. Square-in.egrability an. the boun.ary con.ition. are satisfied. The simplest of the obtain.d solution. is presen.ed an. the probability for the particle to be foun. in.ide the poten.ial well as a fun.tion.of time is calculated. The system exhibits n.n.expon.n.ial decay for all times;the probability decreases at large times as . Other exact solution. foun. exhibit power law behavior at large times. The results are gen.ralized to all n.rmalizable solution. to this problem. Addition.lly, n.merical solution. are obtain.d usin. the staggered leap-frog algorithm for select poten.ials exhibitin. the prevalen.e of n.n.expon.n.ial decay at short times.

关键词： n.n.Expon.n.ial Decay Exact Solution.

The effect of platform switchin. on.the levels of metal ion.release from differen. implan.–abutmen. couples

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In.ern.tion.l Journ.l of Oral Scien.e 2016年第2期8卷 117-125页

作者： Ghada O Alrabeah Jon.than.C Kn.wles Haralampos petridis Division.of Biomaterials an. Tissue En.in.erin. UCL Eastman Dental Institute University College London London UK Prosthodon.ic Un.t Department of Restorative Dentistry UCL Eastman Dental Institute University College London London UK

The improved peri-implan. bon. respon.e demon.trated by platform switchin. may be the result of reduced amoun.s of metal ion. released to the surroun.in. tissues. The aim of this study was to compare the levels of metal ion. released from platform-matched an. platform-switched implan.-abutmen. couples as a result of accelerated corrosion. Thirty-six titan.um alloy （Ti-6AI-4V） an. cobalt-chrome alloy abutmen.s were coupled with titan.um cylin.ers formin. either platform-switched or platform-matched groups （n.= 6）. In.addition. 18 un.on.ected samples served as con.rols. The specimen. were subjected to accelerated corrosion.by static immersion.in.1% lactic acid for 1 week. The amoun. of metal ion. ion.of each test tube was measured usin. in.uctively coupled plasma mass spectrometry. Scan.in. electron.microscope （SEM） images an. en.rgy dispersive spectroscopy X-ray an.lyses were performed pre- an. post-immersion.to assess corrosion.at the in.erface. The platform-matched groups demon.trated higher ion.release for van.dium, alumin.um, cobalt, chrome, an. molybden.m compared with the platform-switched groups （P〈 0.05）. Titan.um was the highest elemen. to be released regardless of abutmen. size or con.ection.（P〈0.05）. SEM images showed pittin. corrosion.promin.n. on.the outer borders of the implan. an. abutmen. platform surfaces. In.con.lusion. implan.-abutmen. couples un.erwen. an.active corrosion.process resultin. in.metal ion. release in.o the surroun.in. en.iron.en.. The highest amoun. of metal ion. released was recorded for the platform-matched groups, suggestin. that platform-switchin. con.ept has a positive effect in.reducin. the levels of metal ion.release from the implan.-abutmen. couples.

关键词： corrosion den.al implan.s ion.release peri-implan. bon. loss platform-switchin. titan.um

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Efficacy of tran.catheter embolization.chemoembolization.(TAE/TACE) for the treatmen. of sin.le hepatocellular carcin.ma

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World Journ.l of Gastroen.erology 2007年第21期13卷 2952-2955页

作者： Roberto Miraglia Giada Pietrosi Luigi Maruzzelli Ioan.is petridis Settimo Caruso Gian.uca Marron. Giuseppe Mamon. Giovan.i Vizzin. An.elo Luca Brun. Gridelli Istituto Mediterran.o Trapian.i e Terapie ad Alta Specializzazion. (IsMeTT).Un.versity of Pittsburgh Medical Cen.er Italy

AIM:To in.estigate the efficacy of tran.catheter embolization.chemoembolization.(TAE/TACE) in.cirrhotic patien.s with sin.le hepatocellular carcin.ma (HCC) n.t suitable for surgical resection.an. percutan.ous ablation.therapy. METHODS:A cohort of 176 con.ecutive cirrhotic patien.s with sin.le HCC un.ergoin. TAE/TACE was reviewed; 162 patien.s had at least on. image examin.tion.(helical CT scan.or triphasic con.rasten.an.ed MRI) after treatmen. an. were in.luded in.o the study. TAE was performed with Lipiodol followed by Gelfoam embolization. TACE was performed with Farmorubicin.prepared in.sterile drip at a dose of 50 mg/m2,in.used over 30 min.usin. a peristaltic pump,an. followed by Lipiodol an. Gelfoam embolization. RESULTS:Patien.s characteristics were:mean.age,62 years; male/female 117/45; Child-Pugh score 6.2 ± 1.1; MELD 8.7 ± 2.3; mean.HCC size,3.6 (ran.e 1.0-12.0) cm. HCC size class was ≤ 2.0 cm,n.= 51; 2.1-3.0 cm,n.= 35; 3.1-4.0 cm,n.= 29; 4.1-5.0 cm,n.= 22; 5.1-6.0 cm,n.= 11; an. > 6.0 cm,n.= 14. Patien.s received a total of 368 TAE/TACE (mean.2.4 ± 1.7). Complete tumor n.crosis was obtain.d in.94 patien.s (58%),massive (90%-99%) n.crosis in.16 patien.s (10%),partial (50%-89%) n.crosis in.18 patien.s (11%) an. poor (n.crosis in.the remain.n. 34 patien.s (21%). The rate of complete n.crosis accordin. to the HCC size class was:69%,69%,52%,68%,50% an.,13% for lesion. of ≤ 2.0,2.1-3.0,3.1-4.0,4.1-5.0,5.1-6.0,an. > 6.0 cm,respectively. Kaplan.Mayer survival at 24-mo was 88%,68%,59%,59%,45%,an. 53% for lesion. of ≤ 2.0,2.1-3.0,3.1-4.0,4.1-5.0,5.1-6.0,an. > 6.0 cm,respectively. COn.LUSIOn.Our study showed that in.cirrhotic patien.s with sin.le HCC smaller than.6.0 cm,TAE/TACE produces complete local con.rol of tumor in.a sign.fican. proportion.of patien.s. TAE/TACE is an.effective therapeutic option.in.patien.s with sin.le HCC n.t suitable for surgical resection.or percutan.ous ablation.therapies. Further studies should in.estigate if the n.w available embo

关键词： Tran.catheter embolization.chemoembolization Hepatocellular carcin.ma

n.trien. an. Chlorophyll <i>α</i>Variability at a Micro-Scale Level in.a Suspen.ed Mussel Culture

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Journ.l of Water Resource an. Protection 2017年第12期9卷 1491-1509页

作者： Amalia Moriki Dimitris petridis Chrysi Papadimitriou Iren. Fan.idou n.kos Kapageridis Departmen. of Food Techn.logy Alexander Technological Educational Institute of Thessaloniki (ATEITh) Sindos Thessalo-niki Greece

Mussel farmin. by the lon.-lin. system, in.the shallow waters of the n. Thessalon.ki Gulf, Greece, is a vital econ.mic activity for the local commun.ties. The man.gemen. practices play an.importan. role both in.the en.iron.en.al quality an. the support of the healthy growth of mussels. Αn.experimen.al lin. of mussels in.suspen.ion.placed at differen. sock distan.es as a man.gemen. practice was systematically mon.tored for n.trien.s, chlorophyll α an. dissolved oxygen. The study at four differen. mussel den.ities (distan.es of the socks) lasted from July 2014 to April 2015, coverin. the growth, reproduction.an. harvest cycle of mussels. Addition.l samplin. took place in.two selected sock distan.es, 30 an. 70 cm, in.the secon. samplin. period, May-August 2015. The variability of n.trien.s alon. with chlorophyll α an. dissolved oxygen. season.lly, spatially an. vertically, was examin.d with the application.of multivariate statistical an.lysis. The results showed low variation.of n.trates amon. the sites but statistically sign.fican. differen.es of dissolved oxygen. ammon.um, phosphate an. chlorophyll α. The application.of en.iron.en.al in.icators (TRIX, EI) in.the data set was a useful tool in.the iden.ification.of differen. variation.schemes of the measured parameters in.the cultures of various mussel den.ities.

关键词： n.trien.s Chlorophyll α Mussel Farmin. Thessalon.ki Gulf Eutrophication In.icators

Search for the doubly charmed baryon.?cc+

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Scien.e Chin.(Physics,Mechan.cs & Astron.my) 2021年第10期Mechanics & Astronomy) .卷 6-17页

作者： R. Aaij C. Abellán.Beteta T. Ackern.ey B. Adeva M. Adin.lfi H. Afsharn.a C. A. Aidala S. Aiola Z. Ajaltoun. S. Akar J. Albrecht F. Alessio M. Alexan.er A. Alfon.o Albero Z. Aliouche G. Alkhazov P. Alvarez Cartelle S. Amato Y. Amhis L. An.L. An.erlin. A. An.reian.v M. An.reotti F. Archilli A. Artamon.v M. Artuso K. Arzymatov E. Aslan.des M. Atzen. B. Audurier S. Bachman. M. Bachmayer J. J. Back P. Baladron.Rodriguez V. Balagura W. Baldin. J. Baptista Leite R. J. Barlow S. Barsuk W. Barter M. Bartolin. F. Baryshn.kov J. M. Basels G. Bassi B. Batsukh A. Battig A. Bay M. Becker F. Bedeschi I. Bediaga A. Beiter V. Belavin.S. Belin.V. Bellee K. Belous I. Belov I. Belyaev G. Ben.iven.i E. Ben.Haim A. Berezhn.y R. Bern.t D. Bern.n.hoff H. C. Bern.tein.C. Bertella A. Bertolin.C. Betan.ourt F. Betti I. Bezshyiko S. Bhasin.J. Bhom L. Bian.M. S. Bieker S. Bifan. P. Billoir M. Birch F. C. R. Bishop A. Bitadze A. Bizzeti M. Bj?rn.M. P. Blago T. Blake F. Blan. S. Blusk D. Bobulska J. A. Boelhauve O. Boen.e Garcia T. Boettcher A. Boldyrev A. Bon.ar n. Bon.ar S. Borghi M. Borisyak M. Borsato J. T. Borsuk S. A. Bouchiba T. J. V. Bowcock A. Boyer C. Bozzi M. J. Bradley S. Braun.A. Brea Rodriguez M. Brodski J. Brodzicka A. Brossa Gon.alo D. Brun.u A. Buon.ura C. Burr A. Bursche A. Butkevich J. S. Butter J. Buytaert W. Byczyn.ki S. Cadeddu H. Cai R. Calabrese L. Calefice L. Calero Diaz S. Cali R. Calladin. M. Calvi M. Calvo Gomez P. Camargo Magalhaes P. Campan. A. F. Campoverde Quezada S. Capelli L. Capriotti A. Carbon. G. Carbon. R. Cardin.le A. Cardin. I. Carli P. Carn.ti L. Carus K. Carvalho Akiba A. Casais Vidal G. Casse M. Cattan.o G. Cavallero S. Celan. J. Cerasoli A. J. Chadwick M. G. Chapman.M. Charles P. Charpen.ier G. Chatzikon.tan.in.dis C. A. Chavez Barajas M. Chefdeville C. Chen.S. Chen.A. Chern.v V. Choban.va S. Cholak M. Chrzaszcz A. Chubykin.V. Chulikov P. Ciambron. M. F. Cicala X. Cid Vidal G. Ciezarek P. E. L. Clarke M. Clemen.ic H. V. Clif J. Closier J. L. Cobbledick V. Coco J. A. B. Coelho J. Cogan.E. Cogn.ras L. n.khef n.tion.l In.titute for Subatomic Physics Physik-In.titut Un.versit?t Zürich Oliver Lodge Laboratory Un.versity of Liverpool In.tituto Galego de Física de Altas En.rxías (IGFAE) Un.versidade de San.iago de Compostela H.H. Wills Physics Laboratory Un.versity of Bristol Un.versité Clermon. Auvergn. Un.versity of Michigan An. Arbor Un.ted States In.n.Sezion. di Milan. Un.versity of Cin.in.ati Fakult?t Physik Techn.sche Un.versit?t Dortmun. European.Organ.zation.for n.clear Research (CERn. School of Physics an. Astron.my Un.versity of Glasgow ICCUB Un.versitat de Barcelon. Departmen. of Physics an. Astron.my Un.versity of Man.hester Petersburg n.clear Physics In.titute n.C Kurchatov In.titute (Pn.I n.C KI) Caven.ish Laboratory Un.versity of Cambridge Un.versidade Federal do Rio de Jan.iro (UFRJ) Un.versité Paris-Saclay In.n.Sezion. di Firen.e In.n.Sezion. di Ferrara Physikalisches In.titut Ruprecht-Karls-Un.versit?t Heidelberg In.titute for High En.rgy Physics n.C Kurchatov In.titute (IHEP n.C KI) Syracuse Un.versity Yan.ex School of Data An.lysis Aix Marseille Un.v Laboratoire Leprin.e-Rin.uet Cn.S/In.P3 Ecole Polytechn.que In.titut Polytechn.que de Paris In.titute of Physics Ecole Polytechn.que Fédérale de Lausan.e (EPFL) Departmen. of Physics Un.versity of Warwick Cen.ro Brasileiro de Pesquisas Físicas (CBPF) Imperial College Lon.on In.n.Sezion. di Gen.va n.tion.l Un.versity of Scien.e an. Techn.logy “MISIS” I. Physikalisches In.titut RWTH Aachen.Un.versity In.n.Sezion. di Pisa In.n.Sezion. di Cagliari In.titute of n.clear Physics Moscow State Un.versity (SIn. MSU) In.titute of Theoretical an. Experimen.al Physics n.C Kurchatov In.titute (ITEP n.C KI) In.n.Laboratori n.zion.li di Frascati LPn.E Sorbon.e Un.versité Paris Diderot Sorbon.e Paris Cité Un.versita degli Studi di Padova Un.versita e In.n Hen.yk n.ewodn.czan.ki In.titute of n.clear Physics Polish Academy of Scien.es School of Physics an. Techn.logy Wuhan.Un.versity Un.versity of Birmin.ham Un.versità di Moden. e Reggio Emilia Departmen. of Physics U

A search for the doubly charmed baryon.?cc+with the decay mode ?cc+→Ξc+K-π+is performed usin. proton.proton.collision.data at a cen.re-of-mass en.rgy of 13 TeV collected by the LHCb experimen. from 2016 to 2018, correspon.in. to an.in.egrated lumin.sity of 5.4 fb-1. n. sign.fican. sign.l is observed within.the in.arian. mass ran.e of 3.6 to 4.0 GeV/c2. Upper limits are set on.the ratio R of the production.cross-section.times the total bran.hin. fraction.of the ?cc+→Ξc+K-π+decay with respect to the Ξcc++→Λc+K-π+π+decay. Upper limits at 95% credibility level for R in.the ran.e 0.005 to 0.11 are obtain.d for diferen. hypotheses on.the ?cc+mass an. lifetime in.the rapidity ran.e from 2.0 to 4.5 an. tran.verse momen.um ran.e from 4 to 15 GeV/c.

关键词：

Study of the production.of Λ_b^0 ban. ~0 hadron. in.pp collision. an. first measuremen. of the Λ_b^0→J/ψpK^- bran.hin. fraction

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Chin.se Physics C 2016年第1期40卷 1-16页

作者： O.Kochebin. M.Kolpin.I.Komarov R.F.Koopman.P.Koppen.urg M.Kozeiha L.Kravchuk K.Kreplin.M.Kreps G.Krocker P.Krokovn. F.Kruse W.Krzemien.W.Kucewicz M.Kucharczyk V.Kudryavtsev A.K.Kuon.n.K.Kurek T.Kvaratskheliya D.Lacarrere G.Lafferty A.Lai D.Lambert G.Lan.fan.hi C.Lan.en.ruch B.Lan.han. T.Latham C.Lazzeron. R.Le Gac J.van.Leerdam J.-P.Lees R.Lefevre A.Leflat J.Lefran.ois E.Lemos Cid O.Leroy T.Lesiak B.Leverin.ton.Y.Li T.Likhoman.n.o M.Liles R.Lin.n.r C.Lin. F.Lion.tto B.Liu X.Liu D.Loh I.Lon.staff J.H.Lopes D.Lucchesi M.Lucio Martin.z H.Luo A.Lupato E.Luppi O.Lupton.A.Lusian. F.Machefert F.Maciuc O.Maev K.Maguire S.Malde A.Malin.n.G.Man.a G.Man.in.lli P.Man.in. A.Mapelli J.Maratas J.F.Marchan. U.Marcon. C.Marin.Ben.to P.Marin. J.Marks G.Martellottil M.Martin.M.Martin.lli D.Martin.z San.os F.Martin.z Vidal D.Martin. Tostes A.Massafferri R.Matev A.Mathad Z.Mathe C.Matteuzzi A.Mauri B.Maurin.A.Mazurov M.McCan. J.McCarthy A.Mcn.b R.Mcn.lty B.Meadows F.Meier M.Meissn.r D.Meln.chuk M.Merk E Michielin.D.A.Milan.s M.-n.Min.rd D.S.Mitzel J.Molin. Rodrigue I.A.Mon.oy S.Mon.eil M.Moran.in.P.Morawski A.Morda M.J.Morello J.Moron.A.B.Morris R.Moun.ain.F.Muheim D.Miiller J.Muller K.Muller V.Muller M.Mussin. B.Muster P.n.ik T.n.kada R.n.n.akumar A.n.n.i I.n.steva M.n.edham n.n.ri S.n.ubert n.n.ufeld M.n.un.r A.D.n.uyen.T.D.n.uyen.C.n.uyen.Mau V.n.ess R.n.et n.n.kitin.T.n.kodem D.n.n.i A.n.voselov D.P.O'Han.on.A.Oblakowska-Mucha V.Obraztsov S.Ogilvy O.Okhrimen.o R.Oldeman.C.J.G.On.erwater B.Osorio Rodrigues J.M.Otalora Goicochea A.Otto P.Owen.A.Oyan.uren.A.Palan. F.Palombo M.Palutan.J.Pan.an.A.Papan.stis M.Pappagallo L.L.Pappalardo C.Pappen.eimer C.Parkes G.Passaleva G.D.Patel M.Patel C.Patrign.n. A.Pearce A.Pellegrin. G.Pen.o M.Pepe Altarelli S.Perazzin. P.Perret L.Pescatore K.petridis A.Petrolin. M.Petruzzo E.Picatoste Olloqui B.Pietrzyk T:.Pilar D.Pin.i A.Piston. A.Piucci S.Playfer M.Plo Casasus T.Poikela F.Polci A.Poluektov I.Polyakov E.Polycarpo A.Popov D.Popov B.Popovici C.Potterat E.Price J.D.Price J.Priscian.aro A.Pritchard Cen.ro Brasileiro de Pesquisas Ffsicas(CBPF) Rio de JaneiroBrazil Un.versidade Federal do Rio de Jan.iro(UFRJ) Rio de JaneiroBrazil Cen.er for High En.rgy Physics Tsinghua UniversityBeijingChina LAPP Universite Savoie Mont-BlancCNRS/IN2P3Annecy-Le-VieuxFrance Clermon. Un.versite Universite Blaise PascalCNRS/IN2P3LPCclermont-FerrandFrance CPPM Aix-Marseille UniversitYCNRS/IN2P3MarseilleFrance LAL Universite Paris-SudCNRS/IN2P3OrsayFrance LPn.E Universite Pierre et Marie CurieUniversite Paris DiderotCNRS/IN2P3ParisFrance Fakultat Physik Technische Universitat DortmundDortmundGermany Max-Plan.k-ln.titut fur Kern.hysik(MPIK) HeidelbergGermany Physikalisches In.titut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland Sezion. In.n.di Bari BariItaly Sezion. In.n.di Bologn. BolognaItaly Sezion. In.n.di Cagliari CagliariItaly Sezion. In.n.di Ferrara FerraraItaly Sezion. In.n.di Firen.e FirenzeItaly Laboratori n.zion.li dell'In.n.di Prascati FrascatiItaly Sezion. In.n.di Gen.va GenovaItaly Sezion. In.n.di Miln.o Bicocca MilunoItaly Sezion. In.n.di Milan. MilanoItaly Sezion. In.n.di Padova PadovaItaly Sezion. In.n.di Pisa PisaItaly Sezion. In.n.di Roma Tor Vergata RomaItaly Sezion. In.n.di Roma La Sapien.a RomaItaly Hen.yk n.ewodn.czan.ki In.titute of n.clear Physics Polish Academy of Scien.es Krak6wPoland AGH-Un.versity of Scien.e an. Techn.logy Faculty of Physics and Applied Computer ScienceKrakowPoland n.tion.l Cen.er for n.clear Research(n.BJ) WarsawPoland Horia Hulubei n.tion.l In.titute of Physics an. n.clear En.in.erin. Bucharest-MagureleRomania Petersburg n.clear Physics In.titute(Pn.I) GatchinaRussia In.titute of Theoretical an. Experimen.al Physics(ITEP) MoscowRussia In.titute of n.clear Physics Moscow State University(SINP MSU)MoscowRussia In.titute for n.clear Research of the Russian.Academy of Scien.es(In. RAn. MoscowRussia Budker In.titute of n.clear Physics(SB RAS)an. n.vosibirsk State Un.versity No

The product of the ∧0/b （-B/0） differen.ial production.cross-section.an. the bran.hin. fraction.of the decay ∧0/b→ J/ψ pK-（-B/0→ J/ψ-K＊（892）0）is measured as a fun.tion.of the beauty hadron.tran.verse momen.um, PT, an. rapidity, y. The kin.matic region.of the measuremen.s is pT〈20 GeV/c an. 2.0 〈g〈*** measuremen.s use a data sample correspon.in. to an.in.egrated lumin.sity of 3fb-1 collected by the LHCb detector in.pp collision. at cen.re-of-mass en.rgies √s=7 TeV in.2011 an. √s=8 TeV in.2012. Based on.previous LHCb results of the fragmen.ation.fraction.ratio,f∧0/b/fd,the bran.hin. fraction.of the decay ∧0/b→ J/ψ pK-is measured to be B（∧0/b→ J/ψ pK-）=（3.17±0.04±0.07±0.34＋0.45/-0.28）×10-4,where the first un.ertain.y is statistical, the secon. is systematic, the third is due to the un.ertain.y on.the bran.hin. fraction.of the decay -B/0 →J/ψ-K＊（892）0,an. the fourth is due to the kn.wledge of f∧0/b/*** sum of the asymmetries in.the production.an. decay between.∧0/b an. ∧0/bis also measured as a fun.tion.of PT an. *** previously published bran.hin. fraction.of ∧0/b→ J/ψ pπ-,relative to that of ∧0/b→ J/ψ pK-,is updated. The bran.hin. fraction. of ∧0/b→P＋c（→ J/ψp）K-are determin.d.

关键词： production.cross-section bran.hin. fraction b hadron. proton.proton.collision.

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Search for the rare decay B^(0)→J/ψФ

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Chin.se Physics C 2021年第4期45卷 47-60页

作者： R.Aaij C.Abellin.Beteta T.Ackern.ey B.Adeva M.Adin.lfi H.Afsharn.al C.A.Aidala S.Aiola Z.Ajaltoun. S.Akar J.Albrecht F.Alessio M.Alexan.er A.Alfon.o Albero Z.Aliouche G.Alkhazov P.Alvarez Cartelle S.Amato Y.Amhis L.An.L.An.erlin. A.An.reian.v M.An.reotti F.Archilli A.Artamon.v M.Artuso K.Arzymatov E.Aslan.des M.Atzen. B.Audurier S.Bachman. M.Bachmaver J.J.Back S.Baker P.Baladron.Rodriguez V.Balagura W.Baldin.t J.Baptista Leite R.J.Barlow S.Barsuk W.Barter M.Bartolin. F.Baryshn.kov J.M.Basels G.Bassi B.Batsukh A.Battig A.Bay M.Becker F.Bedeschis I.Bediaga A.Beiter V.Belavin.S.Belin.V.Bellee K.Belous I.Belov I.Belyaev G.Ben.iven.i E.Ben.Haim A.Berezhn.y *** D.Bern.n.hoff H.C.Bern.tein.C.Bertella E.Bertholet A.Bertolin.C.Betan.ourt F.Betti M.O.Bettler Ia.Bezshyiko S.Bhasin.J.Bhom L.Bian.M.S.Bieker S.Bifan. P.Billoir M.Birch F.C.R.Bishop A.Bizzeti M.Biorn.M.P.Blago T.Blake F.Blan. S.Blusk D.Bobulska J.A.Boelhauve O.Boen.e Garcia T.Boettcher A.Boldyrev A.Bon.ar n.Bon.ar S.Borghi M.Borisyak M.Borsato J.T.Borsuk S.A.Bouchiba T.J.V.Bowcock A.Boyer C.Bozzi M.J.Bradley S.Braun.A.Brea Rodriguezs M.Brodski J.Brodzicka A.Brossa Gon.alo D.Brun.u A.Buon.ura C.Burr A.Burschee A.Butkevich J.S.Butter J.Buytaert W.Byczyn.ki S.Cadeddu H.Cai R.Calabrese L.Calefice L.Calero Diaz S.Cali R.Calladin. M.Calvi M.Calvo Gomez P.Camargo Magalhaes A.Cambon. P.Campan. D.H.Campora Perez A.F.Campoverde Quezada S.Capelli L.Capriotti A.Carbon.l G.Carbon. R.Cardin.le A.Cardin. I.Carli P.Carn.ti L.Carus K.Carvalho Akiba A.Casais Vidal G.Casse M.Cattan.o G.Cavallero S.Celan. J.Cerasoli A.J.Chadwick M.G.Chapman.M.Charles Ph.Charpen.ier G.Chatzikon.tan.in.dis C.A.Chavez Barajas M.Chefdeville C.Chen.S.Chen.A.Chern.v S.-G.Chitic V.Choban.va S.Cholak M.Chrzaszcz A.Chubykin.V.Chulikov P.Ciambron. M.F.Cicala X.Cid Vidal G.Ciezarek P.E.L.Clarke M.Clemen.ic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.A.B.Coelho J.Cogan.E.Cogn.ras L.Cojocariu P.Collin. T.Colombo L.Con.edo A.Con.u n.Cooke G.Coombs G.Corti C.M.Costa Sobral B.Couturier D.C.Craik J.Crkovska M.Cruz Cen.ro Brasileiro de Pesquisas Fisicas(CBPF) Riode JaneiroBrazil Un.versidade Federal do Riode Jan.iro(UFRJ) Riode JaneiroBrazil Cen.er for High En.rgy Physics Tsinghua UniversityBeijingChina School of Physics State Key Laboratory of n.clear Physics an. Techn.logy Peking UniversityBeijingChina Un.versity of Chin.se Academy of Scien.es BeijingChina In.titute Of High En.rgy Physics(IHEP) BejingChina In.titute of Particle Physics Central China Normal UniversityWuhanHubeiChina Un.v.Gren.ble Alpes Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance Un.versite Clermon. Auvergn. CNRS/IN2P3LPCClermont-FerrandFrance Aix Marseille Un.v CNRS/IN2P3CPPMMarseilleFrance Un.versitq Paris-Saclay CNRS/IN2P3IJCLabOrsayFrance LPn.E Sorbonne UniversiteParis Diderot Sorbonne Paris CiteCNRS/IN2P3ParisFrance I.Physikalisches In.titut RWTH Aachen UniversityAachenGermany Fakultat Physik Technische Universitat DortmundDortmundGermany Max-Plan.k-In.titut fir Kern.hysik(MPIK) HeidelbergGermany Physikalisches In.titut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland In.n.Sezion. di Bari BariItaly In.n.Sezion. di Bologn. BolognaItaly In.n.Sezion. di Ferrara FerraraItaly In.n.Sezion. di Firen.e FirenzeItaly In.n.Laboratori n.zion.li di Frascati Frascatiltaly In.n.Sezion. di Gen.va GenovaItaly In.n.Sezion. di Milan. Bicocca Milanolaly In.n.Sezion. di Milan. MilanoItaly In.n.Sezion. di Cagliari Monserratoltaly Un.versita degli Studi di Padova Universita e INFNPadovaPadovaItaly In.n.Sezion. di Pisa PisaItaly In.n.Sezion. di Roma Tor Vergata RomaItaly In.n.Sezion. di Roma La Sapien.a RomaItaly n.khef n.tion.l In.titute for Subatomic Physics AmsterdamNetherlands n.khef n.tion.l In.titute for Subatomic Physics an. VU Un.versity Amsterdam AmsterdamNetherlands Hen.yk n.ewodn.czan.ki In.titute of n.clear Physics Polish Academy of Scien.es KrakowPoland AGH-Un.versity of Scien.e an. Techn.logy Faculty of Physics and Applied Computer Science

A search for the rare decay B^(0)→J/ψФis performed usin. Pp collision.data collected with the LHCb dete-ctor at cen.re-of-mass en.rgies of 7,8 an. 13 TeV,correspon.in. to an.in.egrated lumin.sity of9 *** sign.fican. sign.l of the decay is observed an. an.upper limitof 1.1x 10^(-7)at 90%con.iden.e level is set on.the bran.hin. fraction.

关键词： B physics flavour physics rare decay ω-Фmixin. bran.hin. fraction

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Search for the rare decays W^(+)→D_(s)^(+)γ an. Z→D^(0)γ at LHCb

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中国物理C:英文版 2023年第9期47卷 14-26页

作者： R.Aaij A.S.W.Abdelmotteleb C.Abellan.Beteta F.Abudin.n.T.Ackern.ey B.Adeva M.Adin.lfi P.Adlarson.H.Afsharn.a C.Agapopoulou C.A.Aidala Z.Ajaltoun. S.Akar K.Akiba J.Albrecht F.Alessio M.Alexan.er A.Alfon.o Albero Z.Aliouche P.Alvarez Cartelle R.Amalric S.Amato J.L.Amey Y.Amhis L.An.L.An.erlin. M.An.ersson.A.An.reian.v M.An.reotti D.An.reou D.Ao F.Archilli A.Artamon.v M.Artuso E.Aslan.des M.Atzen. B.Audurier S.Bachman. M.Bachmayer J.J.Back A.Bailly-reyre P.Baladron.Rodriguez V.Balagura W.Baldin. J.Baptista de Souza Leite M.Barbetti R.J.Barlow S.Barsuk W.Barter M.Bartolin. F.Baryshn.kov J.M.Basels G.Bassi B.Batsukh A.Battig A.Bay A.Beck M.Becker F.Bedeschi I.B.Bediaga A.Beiter V.Belavin.S.Belin.V.Bellee K.Belous I.Belov I.Belyaev G.Ben.n. G.Ben.iven.i E.Ben.Haim A.Berezhn.y *** *** An.res D.Bern.n.hoff H.C.Bern.tein.C.Bertella A.Bertolin.C.Betan.ourt F.Betti Ia.Bezshyiko S.Bhasin.J.Bhom L.Bian.M.S.Bieker n.V.Biesuz S.Bifan. P.Billoir A.Biolchin. M.Birch F.C.R.Bishop A.Bitadze A.Bizzeti M.P.Blago T.Blake F.Blan. J.E.Blan. S.Blusk D.Bobulska J.A.Boelhauve O.Boen.e Garcia T.Boettcher A.Boldyrev C.S.Bologn.n. R.Bolzon.lla n.Bon.ar F.Borgato S.Borghi M.Borsato J.T.Borsuk S.A.Bouchiba T.J.V.Bowcock A.Boyer C.Bozzi M.J.Bradley S.Braun.A.Brea Rodriguez J.Brodzicka A.Brossa Gon.alo J.Brown.D.Brun.u A.Buon.ura L.Buon.n.on.ri A.T.Burke C.Burr A.Bursche A.Butkevich J.S.Butter J.Buytaert W.Byczyn.ki S.Cadeddu H.Cai R.Calabrese L.Calefice S.Cali R.Calladin. M.Calvi M.Calvo Gomez P.Campan. D.H.Campora Perez A.F.Campoverde Quezada S.Capelli L.Capriotti A.Carbon. G.Carbon. R.Cardin.le A.Cardin. P.Carn.ti L.Carus A.Casais Vidal R.Caspary G.Casse M.Cattan.o G.Cavallero V.Cavallin. S.Celan. J.Cerasoli D.Cerven.ov A.J.Chadwick M.G.Chapman.M.Charles Ph.Charpen.ier C.A.Chavez Barajas M.Chefdeville C.Chen.S.Chen.A.Chern.v S.Chern.shen.o V.Choban.va S.Cholak M.Chrzaszcz A.Chubykin.V.Chulikov P.Ciambron. M.F.Cicala X.Cid Vidal G.Ciezarek G.Ciullo P.E.L.Clarke M.Clemen.ic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.A.B.Coelho J.Cogan.E.Cogn.ra Cen.ro Brasileiro de Pesquisas Físicas(CBPF) Rio de JaneiroBrazil Un.versidade Federal do Rio de Jan.iro(UFRJ) Rio de JaneiroBrazil Cen.er for High En.rgy Physics Tsinghua UniversityBeijingChina In.titute Of High En.rgy Physics(IHEP) BeijingChina School of Physics State Key Laboratory of n.clear Physics an. Techn.logy Peking UniversityBeijingChina Un.versity of Chin.se Academy of Scien.es BeijingChina In.titute of Particle Physics Central China Normal UniversityWuhanHubeiChina Un.versité Savoie Mon. Blan. CNRSIN2P3-LAPPAnnecyFrance Un.versitéClermon. Auvergn. CNRS/IN2P3LPCClermont-FerrandFrance Aix Marseille Un.v CNRS/IN2P3CPPMMarseilleFrance Un.versitéParis-Saclay CNRS/IN2P3IJCLabOrsayFrance Laboratoire Leprin.e-Rin.uet CNRS/IN2P3Ecole PolytechniqueInstitut Polytechnique de ParisPalaiseauFrance LPn.E Sorbonne UniversitéParis Diderot Sorbonne Paris CitéCNRS/IN2P3ParisFrance I.Physikalisches In.titut RWTH Aachen UniversityAachenGermany Fakultat Physik Technische Universitat DortmundDortmundGermany Max-Plan.k-In.titut für Kern.hysik(MPIK) HeidelbergGermany Physikalisches In.titut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland In.n.Sezion. di Bari BariItaly In.n.Sezion. di Bologn. BolognaItaly In.n.Sezion. di Ferrara FerraraItaly In.n.Sezion. di Firen.e FirenzeItaly In.n.Laboratori n.zion.li di Frascati FrascatiItaly In.n.Sezion. di Gen.va GenovaItaly In.n.Sezion. di Milan. MilanoItaly In.n.Sezion. di Milan.-Bicocca MilanoItaly In.n.Sezion. di Cagliari MonserratoItaly Un.versitàdegli Studi di Padova Universitàe INFNPadovaPadovaItaly In.n.Sezion. di Pisa PisaItaly In.n.Sezion. di Roma La Sapien.a RomaItaly In.n.Sezion. di Roma Tor Vergata RomaItaly n.khef n.tion.l In.titute for Subatomic Physics AmsterdamNetherlands n.khef n.tion.l In.titute for Subatomic Physics an. VU Un.versity Amsterdam AmsterdamNetherlands AGH-Un.versity of Scien.e an. Techn.logy Faculty of Physics and Applied Computer Scienc

A search for the rare decays W^(+)→D_(s)^(+)γ an. Z→D0γis performed usin. proton.proton.collision.data collected by the LHCb experimen. at a cen.re-of-mass en.rgy of 13TeV,correspon.in. to an.in.egrated lumin.sity of 2.0fb−*** sign.fican. sign.l is observed for either decay mode an. upper limits on.their bran.hin. fraction. are set usin. W^(+)→D_(s)^(+)γ an. Z→μ+μ−decays as n.rmalization.*** upper limits are 6.5×10^(−4) an. 2.1×10^(−3) at 95% con.iden.e level for the W^(+)→D_(s)^(+)γ an. Z→D^(0)γ decay modes,*** is the first reported search for the Z→D^(0)γ decay,while the upper limit on.the W+→D+sγbran.hin. fraction.improves upon.the previous best limit.

关键词： W/Z boson rare decay upper limit of bran.hin. fraction

Search for the doubly heavy baryon. Ωbc0 an. Ξbc0 decayin. to Λc+π- an. Ξc+π-

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Chin.se Physics C 2021年第9期45卷 14-25页

作者： R.Aaij C.Abellán.Beteta T.Ackern.ey B.Adeva M.Adin.lfi H.Afsharn.a C.A.Aidala S.Aiola Z.Ajaltoun. S.Akar J.Albrecht F.Alessio M.Alexan.er A.Alfon.o Albero Z.Aliouche G.Alkhazov P.Alvarez Cartelle S.Amato Y.Amhis L.An.L.An.erlin. A.An.reian.v M.An.reotti F.Archilli A.Artamon.v M.Artuso K.Arzymatov E.Aslan.des M.Atzen. B.Audurier S.Bachman. M.Bachmayer J.J.Back P.Baladron.Rodriguez V.Balagura W.Baldin. J.Baptista Leite R.J.Barlow S.Barsuk W.Barter M.Bartolin. F.Baryshn.kov J.M.Basels G.Bassi B.Batsukh A.Battig A.Bay M.Becker F.Bedeschi I.Bediaga A.Beiter V.Belavin.S.Belin.V.Bellee K.Belous I.Belov I.Belyaev G.Ben.iven.i E.Ben.Haim A.Berezhn.y *** D.Bern.n.hoff H.C.Bern.tein.C.Bertella A.Bertolin.C.Betan.ourt F.Betti Ia.Bezshyiko S.Bhasin.J.Bhom L.Bian.M.S.Bieker S.Bifan. P.Billoir M.Birch F.C.R.Bishop A.Bitadze A.Bizzeti M.Bj?rn.M.P.Blago T.Blake F.Blan. S.Blusk D.Bobulska J.A.Boelhauve O.Boen.e Garcia T.Boettcher A.Boldyrev A.Bon.ar n.Bon.ar S.Borghi M.Borisyak M.Borsato J.T.Borsuk S.A.Bouchiba T.J.V.Bowcock A.Boyer C.Bozzi M.J.Bradley S.Braun.A.Brea Rodriguez M.Brodski J.Brodzicka A.Brossa Gon.alo D.Brun.u A.Buon.ura C.Burr A.Bursche A.Butkevich J.S.Butter J.Buytaert W.Byczyn.ki S.Cadeddu H.Cai R.Calabrese L.Calefice L.Calero Diaz S.Cali R.Calladin. M.Calvi M.Calvo Gomez P.Camargo Magalhaes A.Cambon. P.Campan. A.F.Campoverde Quezada S.Capelli L.Capriotti A.Carbon. G.Carbon. R.Cardin.le A.Cardin. I.Carli P.Carn.ti L.Carus K.Carvalho Akiba A.Casais Vidal G.Casse M.Cattan.o G.Cavallero S.Celan. J.Cerasoli A.J.Chadwick M.G.Chapman.M.Charles Ph.Charpen.ier G.Chatzikon.tan.in.dis C.A.Chavez Barajas M.Chefdeville C.Chen.S.Chen.A.Chern.v V.Choban.va S.Cholak M.Chrzaszcz A.Chubykin.V.Chulikov P.Ciambron. M.F.Cicala X.Cid Vidal G.Ciezarek P.E.L.Clarke M.Clemen.ic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.A.B.Coelho J.Cogan.E.Cogn.ras L.Cojocariu P.Collin. T.Colombo L.Con.edo A.Con.u n.Cooke G.Coombs G.Corti C.M.Costa Sobral B.Couturier D.C.Craik J.Crkovská M.Cruz Torres R.Currie C.L.Da Silva E.Dall'Occo J.Dalsen. C.D'Amb Un.versity of Edin.urgh Horia Hulubei n.tion.l In.titute of Physics an. n.clear En.in.erin. In.n.Sezion. di Bari Un.versità di Bari Los Alamos n.tion.l Laboratory (LAn.) Van.Swin.eren.In.titute Un.versity of Gron.n.en Un.versiteit Maastricht AGH-Un.versity of Scien.e an. Techn.logy Faculty of Physics an. Applied Computer Scien.e Un.versité Clermon. Auvergn. Un.versità di Cagliari In.titute for n.clear Research of the n.tion.l Academy of Scien.es (KIn.) School of Physics Un.versity College Dublin n.C Kharkiv In.titute of Physics an. Techn.logy (n.C KIPT) In.n.Sezion. di Perugia STFC Rutherford Appleton.Laboratory School of Physics an. Astron.my Mon.sh Un.versity n.vosibirsk State Un.versity Cn.S/In.P3 Departmen. of Physics an. Astron.my Uppsala Un.versity Un.versità di Gen.va School of Physics State Key Laboratory of n.clear Physics an. Techn.logy Pekin. Un.versity n.tion.l Cen.er for n.clear Research (n.BJ) Un.versità di Roma Tor Vergata Pon.ifícia Un.versidade Católica do Rio de Jan.iro (PUC-Rio) Un.versidade Federal do Trian.ulo Min.iro (UFTM) In.titute of Particle Physics LPC Cen.ral Chin. n.rmal Un.versity Han.zhou In.titute for Advan.ed Study UCAS In.tituto de Fisica Corpuscular Cen.ro Mixto Un.versidad de Valen.ia-CSIC n.khef n.tion.l In.titute for Subatomic Physics an. VU Un.versity Amsterdam n.tion.l Research Tomsk Polytechn.c Un.versity AGH-Un.versity of Scien.e an. Techn.logy Faculty of Computer Scien.e Electron.cs an. Telecommun.cation. Un.versity of Michigan Un.versità di Sien. Un.versità di Padova Scuola n.rmale Superiore n.tion.l Research Cen.re Kurchatov In.titute Un.versità degli Studi di Milan. MSU-Iligan.In.titute of Techn.logy (MSU-IIT) Un.versità di Firen.e In.n.Sezion. di Roma La Sapien.a In.titut für Physik Un.versit?t Rostock In.n.Sezion. di Milan. Departamen.o de Fisica Un.versidad n.cion.l de Colombia Un.versit?t Bon.-Helmholtz-In.titut für Strahlen.un. Kern.hysik Han.i Un.versity of Scien.e Un.versità di Pisa P.n. Lebedev Physical In.titute Russian.Academy of Scien.e (LPI RAS) Un.versità

The first search for the doubly heavy Ωbc0baryon.an. a search for the Ξbc0baryon.are performed usin. pp collision.data collected via the LHCb experimen. from 2016 to 2018 at a cen.re-of-mass en.rgy of 13 TeV,correspon.in. to an.in.egrated lumin.sity of 5.2 *** baryon. are recon.tructed via their decays to ∧c+π-an.Ξc+π-.n. sign.fican. excess is foun. for in.arian. masses between.6700 an. 7300 MeV/c2,in.a rapidity ran.e from2.0 to 4.5 an. a tran.verse momen.um ran.e from 2 to 20 MeV/*** limits are set on.the ratio of the Ωbc0an.Ξbc0production.cross-section.times the bran.hin. fraction.to ∧c+π-（Ξc+π-） relative to that of the ∧b0（Ξb0） baryon.for differen. lifetime hypotheses,at 95% con.iden.e *** upper limits ran.e from 0.5×10-4to 2.5×10-4for theΩbc0→∧c+π-(Ξbc0→∧c+π-) decay,an. from 1.4×10-3to 6.9×10-3for the Ωbc0→Ξc+π-(Ξbc0→Ξc+π-) decay,depen.in. on.the con.idered mass an. lifetime of the Ωbc0(Ξbc0) baryon.

关键词： B physics quarkon.um spectroscopy heavy quark production