and production in Pb-Pb collisions at
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The production of the hypertriton nuclei class="mathmlsrc">ource" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si1.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=d9a97364514b70d3ac5ff066d88862ed">class="imgLazyJSB inlineImage" height="18" width="21" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si1.gif">oscript>order="0" style="vertical-align:bottom" width="21" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316000575-si1.gif">oscript>class="mathContainer hidden">class="mathCode">overflow="scroll">cripts>ow>ormal">How>cripts>cripts>ow>ormal">Λow>ow>3ow>cripts> and class="mathmlsrc">ource" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si2.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=630707bfce3f74f3fe4dd1303a2b80c1">class="imgLazyJSB inlineImage" height="20" width="21" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si2.gif">oscript>order="0" style="vertical-align:bottom" width="21" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316000575-si2.gif">oscript>class="mathContainer hidden">class="mathCode">overflow="scroll">cripts>ow>over accent="true">ow>ormal">How>o>‾o>over>ow>cripts>cripts>ow>over accent="true">ow>ormal">Λow>ow>o stretchy="false">¯o>ow>over>ow>ow>3ow>cripts> has been measured for the first time in Pb–Pb collisions at class="mathmlsrc">ource" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si115.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=98792dde095d1ff824360d8f4b21694d">class="imgLazyJSB inlineImage" height="15" width="105" 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-S0370269316000575-si115.gif">oscript>order="0" style="vertical-align:bottom" width="105" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316000575-si115.gif">oscript>class="mathContainer hidden">class="mathCode">overflow="scroll">ow>sow>ow>ormal">NNow>o>=o>2.76 TeV with the ALICE experiment at LHC. The class="mathmlsrc">class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si4.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=f8bc50051a5ce47a84f177607d3d28ca" title="Click to view the MathML source">pTclass="mathContainer hidden">class="mathCode">overflow="scroll">ow>pow>ow>ormal">Tow>-integrated class="mathmlsrc">ource" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si1.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=d9a97364514b70d3ac5ff066d88862ed">class="imgLazyJSB inlineImage" height="18" width="21" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si1.gif">oscript>order="0" style="vertical-align:bottom" width="21" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316000575-si1.gif">oscript>class="mathContainer hidden">class="mathCode">overflow="scroll">cripts>ow>ormal">How>cripts>cripts>ow>ormal">Λow>ow>3ow>cripts> yield in one unity of rapidity, class="mathmlsrc">ource" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si5.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=065282f474a03bba13ec2f740d802298">class="imgLazyJSB inlineImage" height="22" width="414" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si5.gif">oscript>order="0" style="vertical-align:bottom" width="414" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316000575-si5.gif">oscript>class="mathContainer hidden">class="mathCode">overflow="scroll">ormal">dNo stretchy="false">/o>ormal">dyo>×o>ow>ormal">Bo>.o>ormal">Ro>.o>ow>ow>o stretchy="true">(o>cripts>ow>ormal">How>cripts>cripts>ow>ormal">Λow>ow>3ow>cripts>o stretchy="false">→o>cripts>ow>ormal">Heow>cripts>cripts>one>one>ow>3ow>cripts>o>,o>ow>πow>ow>o>−o>ow>o stretchy="true">)o>ow>o>=o>ow>o stretchy="true">(o>3.86o>±o>0.77o stretchy="false">(o>stat.o stretchy="false">)o>o>±o>0.68o stretchy="false">(o>syst.o stretchy="false">)o>o stretchy="true">)o>ow>o>×o>ow>10ow>ow>o>−o>5ow> in the 0–10% most central collisions, is consistent with the predictions from a statistical thermal model using the same temperature as for the light hadrons. The coalescence parameter class="mathmlsrc">class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si6.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=ffd5248ddd0bde7fe0908d1e417a399d" title="Click to view the MathML source">B3class="mathContainer hidden">class="mathCode">overflow="scroll">ow>Bow>ow>3ow> shows a dependence on the transverse momentum, similar to the class="mathmlsrc">class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si7.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=44ae3afd5195752b732a7875a136bcba" title="Click to view the MathML source">B2class="mathContainer hidden">class="mathCode">overflow="scroll">ow>Bow>ow>2ow> of deuterons and the class="mathmlsrc">class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si6.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=ffd5248ddd0bde7fe0908d1e417a399d" title="Click to view the MathML source">B3class="mathContainer hidden">class="mathCode">overflow="scroll">ow>Bow>ow>3ow> of 3He nuclei. The ratio of yields class="mathmlsrc">ource" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si113.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=7399ffecdfb0d9f9b29b3e0e8f37f63d">class="imgLazyJSB inlineImage" height="18" width="134" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si113.gif">oscript>order="0" style="vertical-align:bottom" width="134" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316000575-si113.gif">oscript>class="mathContainer hidden">class="mathCode">overflow="scroll">ow>Sow>ow>3ow>o>=o>cripts>ow>ormal">How>cripts>cripts>ow>ormal">Λow>ow>3ow>cripts>o stretchy="false">/o>o stretchy="false">(o>cripts>ow>ormal">Heow>cripts>cripts>one>one>ow>3ow>cripts>o>×o>ormal">Λo stretchy="false">/o>ormal">po stretchy="false">)o> was measured to be class="mathmlsrc">class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si9.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=d7332616ed2692bd9a6c492564fb1508" title="Click to view the MathML source">S3=0.60±0.13(stat.)±0.21(syst.)class="mathContainer hidden">class="mathCode">overflow="scroll">ow>Sow>ow>3ow>o>=o>0.60o>±o>0.13o stretchy="false">(o>stat.o stretchy="false">)o>o>±o>0.21o stretchy="false">(o>syst.o stretchy="false">)o> in 0–10% centrality events; this value is compared to different theoretical models. The measured class="mathmlsrc">class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si10.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=5485cc1b27883725fd196bc48ef9dc40" title="Click to view the MathML source">S3class="mathContainer hidden">class="mathCode">overflow="scroll">ow>Sow>ow>3ow> is compatible with thermal model predictions. The measured class="mathmlsrc">ource" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si1.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=d9a97364514b70d3ac5ff066d88862ed">class="imgLazyJSB inlineImage" height="18" width="21" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si1.gif">oscript>order="0" style="vertical-align:bottom" width="21" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316000575-si1.gif">oscript>class="mathContainer hidden">class="mathCode">overflow="scroll">cripts>ow>ormal">How>cripts>cripts>ow>ormal">Λow>ow>3ow>cripts> lifetime, class="mathmlsrc">ource" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316000575&_mathId=si11.gif&_user=111111111&_pii=S0370269316000575&_rdoc=1&_issn=03702693&md5=163006bae5587e43d8fd7f47883f88e2">class="imgLazyJSB inlineImage" height="19" width="192" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316000575-si11.gif">oscript>order="0" style="vertical-align:bottom" width="192" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269316000575-si11.gif">oscript>class="mathContainer hidden">class="mathCode">overflow="scroll">τo>=o>ow>181ow>ow>o>−o>39ow>ow>o>+o>54ow>o stretchy="false">(o>stat.o stretchy="false">)o>o>±o>33o stretchy="false">(o>syst.o stretchy="false">)o>ce width="0.25em">ce>ow>ormal">psow> is in agreement within 1σ with the world average value.

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