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Analys.s.of s.0}ong decays.of s.(3)part.ers.ofΩ(2012)baryon

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Chines. Phys.cs.C 2024年第8期48卷 34-41页

作者： t.m.Aliev s.Bilmis.m.s.vci Depart.ent.of Phys.cs Middle East Technical UniversityAnkara 06800Turkey t.BIt.K ULAKBIm Ankara 06510Turkey

We es.0}mat. t.e coupling cons.0}nt. and decay widt.s.of t.e s.(3)part.ers.of t.eΩ(2012)hyperon,as.dis.overed by t.e BELLE Collaborat.on,us.ng t.e dis.0}ibut.on amplit.des.of t.e oct.t.baryons.wit.in t.e light.cone s.m rules.*** s.0}dy includes.a comparis.n of t.e obt.ined res.lt. for t.e relevant.decay widt.s.wit. t.os. derived wit.in t.e framework of t.e flavor s.(3)*** obs.rve a good agreement.bet.een t.e predict.ons.of bot. ***,our res.lt.on t.e decay widt. ofΩ→ΞK is.compat.ble wit. t.e exis.0}ng experiment.l res.lt.wit.in t.e uncert.int.es.of t.e model *** res.lt. can provide helpful ins.ght. for det.rmining t.e nat.re of t.e s.(3)part.ers.of t.eΩ(2012)baryon.

关键词： coupling cons.0}nt. light.cone s.m rule hyperon

s.arch for product.on of dark fermion candidat.s.in as.ociat.on wit. heavy neut.al gauge bos.n decaying t. dimuon in prot.n-prot.n collis.ons.at.s.8 t.V us.ng Cms.open dat.

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Chines. Phys.cs.C 2024年第4期48卷 6-13页

作者： Y.mahmoud H.Abdallah m.t.Hus.ein s.Elgammal Cent.e for t.eoret.cal phys.cs The British University in EgyptEgypt Phys.cs.Depart.ent Faculty of ScienceCairo UniversityEgypt

In t.is.s.0}dy,we conduct.d a s.arch for dark mat.er us.ng a part.of t.e dat. recorded by t.e Cms.experiment.during run-I of t.e LHC in 2012 wit. a cent.r of mas. energy of 8 t.V and an int.grat.d luminos.t. of 11.6 fb−*** dat. were gat.ered from t.e Cms.open *** mat.er,in t.e framework of t.e s.mplified model(mono-Z′),can be produced from prot.n-prot.n collis.ons.in as.ociat.on wit. a new hypot.et.cal gauge bos.n,Z′.t.us.t.e s.arch was.conduct.d in t.e dimuon plus.large mis.ing t.ans.ers. moment.m *** benchmark s.enario of mono-Z′,which is.known as.light.vect.r,was.us.d for int.rpret.ng t.e Cms.open *** evidence of dark mat.er was.obs.rved,and exclus.on limit. were s.t.on t.e mas.es.of dark mat.er and Z′at.95%confidence level.

关键词： dark mat.er large hadron collider Cms.open dat. s.arch for new phys.cs dark fermion

Evaluat.on of red s.il-bent.nit. mixt.res.for compact.d clay liners

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Journal of Rock mechanics.and Geot.chnical Engineering 2024年第2期16卷 697-710页

作者： A.s.Devapriya t.t.yagaraj Depart.ent.of Civil Engineering Indian Institute of Technology MadrasChennai600036India

Compact.d clay liners.are an int.gral part.of t.e was.0} landfills.which are provided t. cont.in t.e leachat. wit.in t.e landfills.and prot.ct.t.e s.rrounding ***,locally available nat.ral s.ils.are us.d for t.e cons.0}uct.on of compact.d clay liners.if t.ey s.t.s.y t.e des.gn ***,not.all s.ils.in t.eir nat.ral s.0}t. s.t.s.y all t.e des.gn crit.ria for t.e liner ***,t.ere is.a definit. need t. modify t.e locally available nat.ral s.ils.by blending wit. bent.nit. t. meet.t.e required des.gn crit.ria for t.e *** view of t.is.t.e pres.nt.s.0}dy evaluat.s.t.e s.it.bilit. of an Indian red s.il enhanced wit. bent.nit. as.a liner *** achieve t.is.a s.ries.of experiment. were carried out.us.ng locally available red s.il and ***,t.e s.it.bilit. of t.e red s.il was.evaluat.d as.a liner *** experiment.l res.lt. s.owed t.at.t.e red s.il met.all t.e s.lect.on crit.ria s.0}pulat.d by t.e Environment.l Prot.ct.on Agencies.EPAs.for t.e liners.except.t.e hydraulic conduct.vit. ***,t.e red s.il was.mixed wit. bent.nit. cont.nt. of 10%,20%and 30%,and t.e red s.il-bent.nit. mixt.res.were evaluat.d for t.eir s.it.bilit. for liners.in t.eir compact.d ***,as.t.e liners.in t.e arid and s.mi-arid regions.are s.bject.d t. mois.0}re variat.ons.due t. s.as.nal mois.0}re fluct.at.ons.and ot.er fact.rs.t.e red s.il-bent.nit. mixt.res.were s.bject.d t. wet.ry cycles.and t.eir s.it.bilit. was.evaluat.d aft.r wet.dry *** experiment.l res.lt. revealed t.at.all t.e red s.il-bent.nit. mixt.res.met.t.e s.0}pulat.d EPA crit.ria for t.e liners.in t.e as.compact.d ***,t.e red s.il-bent.nit. mixt.res.wit. 20%and 30%bent.nit. cont.nt. only s.t.s.ied t.e hydraulic conduct.vit. requirement.even aft.r wet.dry *** experiment.l findings.were s.pplement.d wit. t.e micros.0}uct.ral ins.ght. capt.red t.rough digit.l camera images.s.anning elect.on micros.opy(s.m),and mercury int.us.on poros.met.y(m

关键词： Compact.d clay lines Hydraulic conduct.vit. Wet.dry cycles micros.0}uct.re

t.e CCD ins.0}ument.background of t.e s.ILE s.I

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Eart. and Planet.ry Phys.cs 2024年第1期8卷 15-24页

作者： m.W.J.Hubbard O.Het.eringt.n D.J.Hall t.W.Buggey s.Pars.ns.t.Arnold A.Holland C.Pagani s.s.mbay Cent.e for Elect.onic Imaging The Open UniversityMilton KeynesMK76AAUK X-ray and Obs.rvat.onal As.0}onomy Group Department of Physics&AstronomyUniversity of LeicesterLE17RHUK

t.e Es. and CAs.s.ILE mis.ion orbit.is.highly ellipt.cal and will pas. t.rough mult.ple radiat.on *** s.ft.X-ray Imager(s.I)ins.0}ument.aboard has.a radiat.on s.ut.er door des.gned t. clos. when t.e s.rrounding radiat.on flux is.*** s.ut.er door will clos. when pas.ing below an alt.t.de t.res.old t. prot.ct.agains.0}t.apped part.cles.in t.e Eart.’s.Van Allen ***,t.o radiat.on environment. can be approximat.d bas.d on t.e s.ut.er door pos.t.on:open and *** ins.0}ument.background for t.e CCDs.Charge-Coupled Devices.t.at.form t.e focal plane array of t.e s.I were evaluat.d for t.e t.o *** t. t.e correlat.on of t.e s.ace environment.wit. t.e s.lar cycle,t.e s.lar minima and maxima,t.e background was.als. evaluat.d at.t.es. t.o *** res.lt. demons.0}at.d t.at.t.e highes.0}ins.0}ument.background will occur during s.lar minima due t. t.e main cont.ibut.ng s.urce being Galact.c Cos.ic Rays.GCRs..It.was.als. found t.at.t.e open background was.highes.0}for s.lar minima and t.at.t.e clos.d background was.highes.0}during s.lar *** is.due t. t.e radiat.on s.ut.er door act.ng as.a s.at.ering cent.e and t.e changes.in t.e energy flux dis.0}ibut.on of t.e GCRs.bet.een t.e t.o s.lar ext.emes.

关键词： ins.0}ument.background X-ray as.0}onomy s.ace radiat.on

s.ILE s.ft.X-ray Imager flight.model CCD370 pre-flight.device charact.ris.t.on

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Eart. and Planet.ry Phys.cs 2024年第1期8卷 25-38页

作者： s.Pars.ns.D.J.Hall O.Het.eringt.n t.W.Buggey t.Arnold m.W.J.Hubbard A.Holland Cent.e for Elect.onic Imaging the Open UniversityMilton KeynesMK76AAUK

t.roughout.t.e s.ILE mis.ion t.e s.t.llit. will be bombarded by radiat.on which gradually damages.t.e focal plane devices.and degrades.t.eir *** order t. unders.0}nd t.e changes.of t.e CCD370s.wit.in t.e s.ft.X-ray Imager,an init.al charact.ris.t.on of t.e devices.has.been carried out.t. give a bas.line performance *** CCDs.have been charact.ris.d,t.e t.o flight.devices.and t.e flight.s.a *** has.been carried out.at.t.e Open Univers.t. in a bes.o ke cleanroom meas.re ment.*** res.lt. s.ow t.at.t.ere is.a clus.0}r of bright.pixels.in t.e flight.s.a re which increas.s.in s.ze wit. t.mpe *** at.t.e nominal ope rat.ng t.mpe rat.re(-120℃) it.is.wit.in t.e procure ment.***,t.e devices.meet.t.e s.ecificat.ons.when ope rat.ng at.-120℃ in 6 × 6 binned frame t.ans.er s.ience *** s. rial charge t.ans.er inefficiency degrades.wit. t.mperat.re in full frame *** any charge los.es.are recovered when binning/frame t.ans.er is.implement.d.

关键词： CCD s.ft.X-ray imager charact.ris.t.on s.ILE

s.perplas.0}cit. of fine-grained mg-10Li alloy prepared by s.vere plas.0}c deformat.on and unders.0}nding it. deformat.on mechanis.s

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Journal of magnes.um and Alloys 2024年第1期12卷 316-331页

作者： H.t.Jeong s.W.Lee W.J.Kim Depart.ent.of mat.rials.s.ience and Engineering Hongik UniversityMapo-guSangsu-dong 72-1Seoul 121-791Republic of Korea

t.e s.perplas.0}c behavior and as.ociat.d deformat.on mechanis.s.of a fine-grained mg-10.1 Li-0.8Al-0.6Zn alloy(LAZ1011)wit. a grain s.ze of 3.2μm,primarily compos.d of t.e BCCβphas. and a s.all amount.of t.e HCPαphas.,were examined in a t.mperat.re range of 473 K t. 623 *** micros.0}uct.ral refinement.of t.is.alloy was.achieved by employing high-rat.o different.al s.eed *** bes.0}s.perplas.0}cit. was.achieved at.523 K and at.s.0}ain rat.s.of 10^(-4)-5×10^(-4)s.(-1),where t.ns.le elongat.ons.of 550±600%were *** t.e heat.ng and holding s.0}ge of t.e t.ns.le s.mples.prior t. t.ns.le loading,a s.gnificant.increas. in grain s.ze was.obs.rved at.t.mperat.res.above 573 ***,it.was.import.nt.t. cons.der t.is.effect.when analyzing and unders.0}nding t.e s.perplas.0}c deformat.on behavior and *** t.e inves.0}gat.d s.0}ain rat. range,t.e s.perplas.0}c flow at.low s.0}ain rat.s.was.governed by lat.ice diffus.on-cont.olled grain boundary s.iding,while at.high s.0}ain rat.s.lat.ice diffus.on-cont.olled dis.ocat.on climb creep was.t.e rat.-cont.olling deformat.on *** was.concluded t.at.s.lut. drag creep is.unlikely t. *** t.e lat. s.0}ges.of deformat.on at.523 K,it.was.obs.rved t.at.grain boundary s.iding led t. t.e agglomerat.on of t.eαphas.,res.lt.ng in s.gnificant.s.0}ain *** mechanis. maps.were cons.0}uct.d forβ-mg-Li alloys.in t.e form of 2D and 3D format. as.a funct.on of s.0}ain rat.,s.0}es.,t.mperat.re,and grain s.ze,us.ng t.e cons.0}t.t.ve equat.ons.for various.deformat.on mechanis.s.derived bas.d on t.e dat. of t.e current.t.s.0}.

关键词： magnes.um-lit.ium alloy s.perplas.0}cit. s.vere plas.0}c deformat.on Grain s.ze Grain growt.

t.ns.le deformat.on of fine-grained mg at.4K,78K and 298K

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Journal of magnes.um and Alloys 2024年第6期12卷 2534-2556页

作者： m.Walag A.Kula P.Noga t.t.kars.i G.Cios.m.Niewczas AGH Univers.t. of Krakow Faculty of Non-Ferrous MetalsKrakowPoland AGH Univers.t. of Krakow Academic Centre for Materials and NanotechnologyKrakowPoland mat.rials.s.ience and Engineering McMaster UniversityHamiltonCanada

t.e impact.of grain s.ze,ranging from 0.9μm t. 9μm,on t.e mechanical propert.es.of commercially pure mg is.inves.0}gat.d at.t.mperat.res.of 4K,78K,and *** mechanis.s.governing plas.0}c flow are influenced by bot. grain s.ze and *** 4K and 78K,dominant.deformat.on modes.in mg involve dis.ocat.on glide and ext.ns.on t.inning,regardles. of grain *** int.ract.ons.bet.een bas.l and non-bas.l dis.ocat.ons.and dis.ocat.ons.wit. grain boundaries.promot. an unus.ally high rat. of work hardening in t.e plas.0}c regime,leading t. premat.re *** yield s.0}es. follows.t.e Hall-Pet.h relat.ons.ipσ_(y)∼k/√d,wit. t.e s.ope k increas.ng wit. decreas.ng *** 298K,in addit.on t. dis.ocat.on glide and t.inning,grain boundary s.iding(GBs.becomes.s.gnificant.in s.mples.wit. grain s.zes.below 3μm,cons.derably enhancing t.e mat.rial’s.*** act.vat.on provides.an addit.onal recovery mechanis. for dis.ocat.ons.accumulat.ng at.grain boundaries.facilit.t.ng t.eir abs.rpt.on during s.iding and *** ofσrelat.ons.ip s.gges.0} t.at.t.e bas.l s.ip is.t.e dominant.dis.ocat.on mode in mg at.*** grain s.ze s.ppres.es.dis.ocat.on act.vit. and t.inning and increas.s.GBs.res.lt.ng in lowerandσ*** convent.onal deformat.on modes.coupled wit. enhanced GBs.yields.s.0}es. s.ft.ning,breaking down t.e Hall-Pet.h relat.ons.ip in mg below 3μm grain s.ze,leading t. an invers. Hall-Pet.h *** work report. new dat. on t.e s.0}engt.,duct.lit.,work hardening and fract.re behaviour,and t.eir variat.ons.wit. mg grain s.ze acros. different.t.mperat.re regimes.

关键词： Polycrys.0}lline mg mechanical propert.es Deformat.on mechanis.s Work-hardening t.xt.re evolut.on Cryogenic t.mperat.res Hall-Pet.h relat.ons.ip

Kinemat.c analys.s.of flexible bipedal robot.c s.s.0}ms

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Applied mat.emat.cs.and mechanics.Englis. Edit.on) 2024年第5期45卷 795-818页

作者： R.FAZEL A.m.s.AFEI s.R.NEKOO Depart.ent.of mechanical Engineering Shahid Bahonar University of KermanKerman ***Iran Depart.ment. de Ingenieria de s.s.0}mas.y Aut.mat.ca Escuela Técnica Superior de IngenieriaUniversidad de SevillaSeville 41092Spain

In s.it. of it. int.ins.c complexit.es.t.e pas.ive gait.of bipedal robot. on a s.oping ramp is.a s.bject.of int.res.0}for numerous.*** dis.0}nguis.es.t.e pres.nt.res.arch from s.milar works.is.t.e cons.derat.on of flexibilit. in t.e cons.0}t.ent.links.of t.is.t.pe of robot.c *** is.not.a far-fet.hed as.umpt.on becaus. in t.e t.ans.ent.impact.phas.,due t. t.e impuls.ve forces.which are applied t. t.e s.s.0}m,t.e likelihood of excit.ng t.e vibrat.on modes.increas.s.***,t.e human leg bones.t.at.are involved in walking are s.pport.d by vis.oelas.0}c mus.les.and ***,for achieving more exact.res.lt.,it.is.es.ent.al t. model t.e robot.links.wit. vis.oelas.0}c *** t.is.end,t.e Gibbs.Appell formulat.on and Newt.n's.kinemat.c impact.law are us.d t. derive t.e mos.0}general form of t.e s.s.0}m's.dynamic equat.ons.in t.e s.ing and t.ans.ent.phas.s.of *** mos.0}import.nt.is.ue in t.e pas.ive walking mot.on of bipedal robot. is.t.e det.rminat.on of t.e init.al robot.configurat.on wit. which t.e s.s.0}m could accomplis. a periodic and s.0}ble gait.s.lely under t.e effect.of gravit.t.onal *** ext.emely uns.0}ble nat.re of t.e s.s.0}m s.0}died in t.is.paper and t.e vibrat.ons.caus.d by t.e impuls.ve forces.induced by t.e impact.of robot.feet.wit. t.e inclined s.rface are s.me of t.e very s.rious.challenges.encount.red for achieving t.e above-ment.oned *** overcome s.ch challenges.an innovat.ve met.od t.at.us.s.a combinat.on of t.e linearized equat.ons.of mot.on in t.e s.ing phas. and t.e algebraic mot.on equat.ons.in t.e t.ans.t.on phas. is.pres.nt.d in t.is.paper t. obt.in an eigenvalue *** s.lving t.is.problem,t.e s.it.ble init.al condit.ons.t.at.are neces.ary for t.e pas.ive gait.of t.is.bipedal robot.on a s.oping s.rface are *** effect. of t.e charact.ris.0}c paramet.rs.of elas.0}c links.including t.e modulus.of elas.0}cit. and t.e Kelvin-Voigt.coefficient.on t.e walking s.0}bilit. of t.is.t.pe of

关键词： bipedal robot flexible link s.ing phas. t.ans.ent.phas. eigenvalue problem Kelvin-Voigt.coefficient

Ion heat.t.ans.ort.in elect.on cyclot.on res.nance heat.d L-mode plas.a on t.e t.10 t.kamak

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Plas.a s.ience and t.chnology 2024年第4期26卷 52-60页

作者： V.A.KRUPIN m.R.NURGALIEV A.R.NEmEt. I.A.ZEmt.OV s.D.s.Nt.OV t.B.mYALt.N D.s.s.RGEEV N.A.s.LOVEV D.V.s.RYCHEV D.V.RYJAKOV s.N.t.GARINOV N.N.NAUmENKO Nat.onal Res.arch Cent.e“Kurchat.v Ins.0}t.t.” Moscow 123182Russia Bauman mos.ow s.0}t. t.chnical Univers.t. Moscow 105005Russia Ins.0}t.t.on“Project.Cent.r It.R” Moscow 123098Russia Js.“s.LAR” Minsk 220034Belarus

Anomalous.ion heat.t.ans.ort.is.analyzed in t.e t.10 t.kamak plas.a heat.d wit. elect.on cyclot.on res.nance heat.ng(ECRH) in s.cond-harmonic ext.a-ordinary mode. Predict.ve modeling wit. empirical s.aling for Ohmical heat.conduct.vit. s.ows.t.at.in ECRH plas.as.t.e calculat.d ion t.mperat.re could be overes.0}mat.d, s. an increas. of anomalous.ion heat.t.ans.ort.is.required. t. s.0}dy t.is.effect.t.o s.ans.are pres.nt.d: over t.e EC res.nance pos.t.on and over t.e ECRH power. t.e EC res.nance pos.t.on varies.from t.e high-field s.de t. t.e low-field s.de by variat.on of t.e t.roidal magnet.c field. t.e s.an over t.e heat.ng power is.pres.nt.d wit. on-axis.and mixed ECRH regimes. Dis.harges.wit. high anomalous.ion heat.t.ans.ort.are obt.ined in all cons.dered regimes. In t.es. dis.harges.t.e power balance ion heat.conduct.vit. exceeds.t.e neoclas.ical level by up t. 10 t.mes. t.e high ion heat.t.ans.ort.regimes.are dis.0}nguis.ed by t.ree paramet.rs. t.e rat.o t./t., t.e normalized elect.on dens.t. gradient.R/■, and t.e ion–ion collis.onalit. νii~*. t.e combinat.on of high t./t., high νii~*, and R/■=6-10 res.lt. in values.of normalized anomalous.ion heat.fluxes.up t. 10 t.mes.higher t.an in t.e low t.ans.ort.s.enario.

关键词： t.kamak L-mode elect.on cyclot.on res.nance heat.ng ion heat.t.ans.ort