Search for decays to the final state
详细信息    查看全文
文摘
A search for the decays of the <span id="mmlsi1" class="mathmlsrc">source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si1.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=cf66cad4ab4a5a354dcd6ca58de92499">ss="imgLazyJSB inlineImage" height="16" width="20" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316302295-si1.gif">script>style="vertical-align:bottom" width="20" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316302295-si1.gif">script><span class="mathContainer hidden"><span class="mathCode">si1.gif" overflow="scroll">subsup>Bc+subsup>span>span>span> meson to <span id="mmlsi3" class="mathmlsrc">source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si3.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=1ff79930a6eb28c2130b3dbaa5b4ce0f">ss="imgLazyJSB inlineImage" height="15" width="39" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316302295-si3.gif">script>style="vertical-align:bottom" width="39" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316302295-si3.gif">script><span class="mathContainer hidden"><span class="mathCode">si3.gif" overflow="scroll">ppstretchy="false">¯sup>π+sup>span>span>span> is performed for the first time using a data sample corresponding to an integrated luminosity of <span id="mmlsi4" class="mathmlsrc"><span class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si4.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=efa5ceb5fb1e14abdb1ddcae5a460002" title="Click to view the MathML source">3.0 fb<sup>&minus;1sup>span><span class="mathContainer hidden"><span class="mathCode">si4.gif" overflow="scroll">3.0 sup>fb&minus;1sup>span>span>span> collected by the LHCb experiment in pp   collisions at centre-of-mass energies of 7 and 8 TeV. No signal is found and an upper limit, at 95% confidence level, is set, <span id="mmlsi5" class="mathmlsrc">source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si5.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=151ad98207667e751db6bfa27083e78d">ss="imgLazyJSB inlineImage" height="23" width="212" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316302295-si5.gif">script>style="vertical-align:bottom" width="212" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316302295-si5.gif">script><span class="mathContainer hidden"><span class="mathCode">si5.gif" overflow="scroll">sub>fcsub>sub>fusub>&times;script">Bstretchy="false">(subsup>Bc+subsup>stretchy="false">→pp‾sup>π+sup>stretchy="false">)<3.6&times;sup>10&minus;8sup>span>span>span> in the kinematic region <span id="mmlsi137" class="mathmlsrc">source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si137.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=d4ce5877367ae5ef63c1d10a35c481e9">ss="imgLazyJSB inlineImage" height="16" width="132" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316302295-si137.gif">script>style="vertical-align:bottom" width="132" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316302295-si137.gif">script><span class="mathContainer hidden"><span class="mathCode">si137.gif" overflow="scroll">mstretchy="false">(pp‾stretchy="false">)<2.85 GeVstretchy="false">/sup>c2sup>span>span>span>, <span id="mmlsi37" class="mathmlsrc"><span class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si37.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=ec94720c55b5d17509d6bd833f2a199c" title="Click to view the MathML source">p<sub>Tsub>(B)<20 GeV/cspan><span class="mathContainer hidden"><span class="mathCode">si37.gif" overflow="scroll">sub>pTsub>stretchy="false">(Bstretchy="false">)<20 GeVstretchy="false">/cspan>span>span> and <span id="mmlsi8" class="mathmlsrc"><span class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si8.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=007a2e1b24f038aeb3ec561c0a5c474c" title="Click to view the MathML source">2.0<y(B)<4.5span><span class="mathContainer hidden"><span class="mathCode">si8.gif" overflow="scroll">2.0<ystretchy="false">(Bstretchy="false">)<4.5span>span>span>, where <span id="mmlsi9" class="mathmlsrc"><span class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si9.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=e1b87d54f1a60b59a64f23d587b23dcf" title="Click to view the MathML source">Bspan><span class="mathContainer hidden"><span class="mathCode">si9.gif" overflow="scroll">script">Bspan>span>span> is the branching fraction and <span id="mmlsi10" class="mathmlsrc"><span class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si10.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=0419e60ffd0060862874c7ccad34b4df" title="Click to view the MathML source">f<sub>csub>span><span class="mathContainer hidden"><span class="mathCode">si10.gif" overflow="scroll">sub>fcsub>span>span>span> (<span id="mmlsi11" class="mathmlsrc"><span class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si11.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=829b286277e5bd574e2874db3a4e6b30" title="Click to view the MathML source">f<sub>usub>span><span class="mathContainer hidden"><span class="mathCode">si11.gif" overflow="scroll">sub>fusub>span>span>span>) is the fragmentation fraction of the b   quark into a <span id="mmlsi12" class="mathmlsrc"><span class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si12.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=6f0bb4883eb3e31aac958abde893be37" title="Click to view the MathML source">B<sub>csub>+span><span class="mathContainer hidden"><span class="mathCode">si12.gif" overflow="scroll">sub>Bcsub>+span>span>span> (<span id="mmlsi13" class="mathmlsrc"><span class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302295&_mathId=si13.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=7965a035b89010427ce6a5890520f7e6" title="Click to view the MathML source">B<sup>+sup>span><span class="mathContainer hidden"><span class="mathCode">si13.gif" overflow="scroll">sup>B+sup>span>span>span>) meson.

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址：北京市海淀区学院路29号 邮编：100083

电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700