Journal Of Modern Research Physics

fa بررسی ترکیب کانال های ورودی تشدید Lambda(1405) بر طیف جرم ناوردای Sigmapi ، در برهم‌کنش کائون-پروتون 4/2 GeV/c Investigation of the mixed entrance channels of resonance on the invariant mass spectrum, in Kaon-Proton interaction at  GeV/c نانوفیزیک Special پژوهشي Research در این مقاله، جهت رفع ابهام موجود در کانال  ورودی حالت تشدیدی <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image004.gif" width="55" > (<img alt="" height="19" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image008.gif" width="25" > یا <img alt="" height="17" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image012.gif" width="25" >) برای دادههای پراکندگی کائون-پروتون در تکانه  GeV/c2/4، از ترکیب درایههای ماتریس گذار <img alt="" height="21" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image014.gif" width="59" > و  <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image018.gif" width="55" > در تشکیل تشدیدی <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image004.gif" width="55" > استفاده نمودهایم. مقایسه طیفهای جرم ناوردای <img alt="" height="17" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image012.gif" width="25" > نظری با تمامی دادههای تجربی همینگوی<a href="#_ftn1" name="_ftnref1" title="">[1]</a>، بیانگر آن است که در این برهمکنش، کانال ورودی <img alt="" height="19" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image008.gif" width="25" >، کانال غالب است. در ادامه با استفاده از روش آنالیز <img alt="" height="25" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image026.gif" width="20" >، جرم و پهنای حالت تشدیدی <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image004.gif" width="55" > را بهترتیب<img alt="" height="27" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image030.gif" width="135" > و <img alt="" height="25" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image032.gif" width="88" > بهدست آوردهایم که در توافق خوبی با مقدار فعلی <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image004.gif" width="55" >، در جدول دادههای ذرات است. <div>  <hr align="left" size="1" width="33%" > <div id="ftn1"><a href="#_ftnref1" name="_ftn1" title="">[1]</a> Hemingway</div> </div> In this paper, to solve the current ambiguity in the entrance channels <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image002.gif" width="25" > or <img alt="" height="17" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image006.gif" width="25" > of <img alt="" height="22" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image008.gif" width="58" > resonance state for Kaon-proton interaction at 4.2 Gev/c, a mixture of transition matrix elements for entrance channels of <img alt="" height="21" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image012.gif" width="59" >and  <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image018.gif" width="55" >in the resonance formation of <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image022.gif" width="50" >have been used. A comparison of the theoretical invariant mass spectra with the totally Hemingway’s experimental data indicates that in this interaction, the <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image002.gif" width="25" > channel is the dominant entrance channel. In the following, using the <img alt="" height="26" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image024.gif" width="23" > analysis method, the mass and width of the <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image022.gif" width="50" > resonant state are respectively obtained <img alt="" height="28" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image027.gif" width="157" > and <img alt="" height="27" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image029.gif" width="103" >that are in a good agreement with the present values of mass and width of the <img alt="" height="20" src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image022.gif" width="50" >in particle data group (PDG). برهم‌کنش کائون-پروتون, داده‌های همینگوی و Kaon-proton interaction, Hemingway data and 1 12 http://jmrph.khu.ac.ir/browse.php?a_code=A-10-57-1&slc_lang=fa&sid=1 Jafar Esmaili جعفر اسماعیلی jesmaili@ph.iut.ac.ir 1003194753284600506 1003194753284600506 Yes Shahrekord University دانشگاه شهرکرد Ahmad Naderi احمد نادری a_naderi@pnu.ac.ir 1003194753284600507 1003194753284600507 No Payame Noor University دانشگاه پیام نور