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Nuclear Coalescence Effect at High Energies

Thesis Info

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Author

Khan, Kamal Hussain

Supervisor

Mais Suleymanov

Program

PhD

Institute

COMSATS University Islamabad

City

Islamabad

Province

Islamabad.

Country

Pakistan

Thesis Completing Year

2014

Thesis Completion Status

Completed

Subject

Physics

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/2207/1/2761S.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676726769375

Similar


Some average characteristics of light nuclei produced in pC, dC, 4HeC, and 12 CC- interactions at 4.2 A GeV/c, are studied as a function of centrality. The centrality is fixed by the number of identified protons. The experimental data is taken from 2m propane bubble chamber installed at LHE (JINR), Dubna. Experimental results are compared with the results calculated from the simulated data of two Monte-Carlo event generators; Fritiof model and Cascade Evaporation Model. With increasing the mass of projectile, both the models describe the behavior of average multiplicity of light nuclei well, whereas the average momentum and average transverse momentum are badly described by the models. However, in 12 CC-interactions, systematical deviation of average multiplicity of light nuclei from the model predictions is observed in central events. The behavioral change in average multiplicity, average momentum, and average transverse momentum are observed in same interval of centrality in 12 CC-interactions. This change and deviation from models are suggested as some signals of nuclear coalescence effect.
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تلوار سے بر تر میرا قلم

تلوار سے برتر میر اقلم
نحمدہ ونصلی علی رسولہ الکریم امّا بعد فاعوذ بااللہ من الشیطن الرجیم
بسم اللہ الرحمن الرحیم
معزز اساتذہ کرام اور میرے ہم مکتب ساتھیو!آج مجھے جس موضوع پر اظہار خیال کرنے کی دعوت دی گئی ہے وہ ہے:’’تلوار سے برتر میرا قلم‘‘
جنابِ عالی!
تلوار کا اس دنیا مافیہا میں اپنا ایک فنکشن ہے ،تلوار سے میدان جنگ میں مجاہد کاوار دیدنی ہوتا ہے، تلوار کا حامل شخص مقابل کی آنکھ میں کھٹکھتاہے تلوار سے لیس اور اس اسلحہ سے مسلح شخص کی اڑان نرالی ہوتی ہے، تلوار کی واقعی ہی ایک تاریخی حیثیت ہے۔
صدرِ ذی وقار!
تلوارگھر میں ہو، گھر سے باہر ہو، تلوار نیام میں ہویا نیام سے باہر ہو،تلوار ایک ہتھیار ہے ،تلوار ایک اوزار ہے ،تلوار ایک اسلحہ ہے۔ تلوار سے منسوب ہرشخص قوی و توانا گردانا جاتا ہے، اس کی ظاہری طاقت متبیّن ہو جاتی ہے ، ظاہری نقاہت کے باوجود اس کاحامل شخص طاقتورسمجھا جا تا ہے۔
جنابِ صدر!
تلوار کی چمک اپنی جگہ لیکن جو کام قلم کر سکتا ہے و ہ تلوار نہیں کر سکتی، تلوار جسم کو گھائل کرتی ہے،قلم روح کو گھائل کرتا ہے، تلوار کا زخم مندمل ہو جاتا ہے لیکن قلم کازخم تا دیر مند مل نہیں ہوتا، تلوار کی کاٹ عارضی ہوتی ہے قلم کی کاٹ دیر پا ہوتی ہے۔
صدرِ ذی وقار!
قلم سے سخت دل کو نرم کیا جا سکتا ہے، قلم سے بسمل کے زخم پر مرہم رکھا جاسکتا ہے، قلم سے مرغ بسمل کی طرح تڑپتے ہوئے شخص کی مسیحائی کی جاسکتی ہے ،قلم سے جاہل کو صاحب علم بنایا جاسکتا ہے، قلم سے گنوار کوعلم و دانش کی مسند پر متمکن کیا جاسکتا ہے۔
جنابِ صدر!
قلم صحافی کے ہاتھ میں ہو تو معاشرے کے حسن میں...

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Causes and Effects of Job Stress on the Performance and Job Satisfaction of Para- Medics of Plubic Sector Hospitals, A Case Study of Public Sector Hospitals of Peshawar .

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